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Complete service manual - FingerLakesTroubleshooter.com

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1. EJ SU ted p itt 1130 543 3d ELS 53 3X 2 13 22 15 306 PROPRIETARY AMD CONFIDENTIAL ue MOUNTING i POSITICNS GE Consumer amp Industrial GE Appliance Controls GENERAL INFORMATION amp 3ARR22 Potential Type Motor Starting Relays General Description GE Potential Relays are used for assisting in the initial function of capacitor start induction run and capacitor start capacitor run motors The motors are the larger sized compressor motors for residential central air conditioning systems and larger pump motors over 1 3 hp at 120 VAC and 3 4 hp at 240 VAC Smaller motors used on residential refrigeration systems generally use current type starting relays or thermal resistance devices such as PTCR s In order to use a potential type starting relay the motor must have a start capacitor but it may or may not also have a run capacitor Operation In a capacitor start induction run or capacitor start capacitor run motor a voltage is generated in the start winding when the motor is running This voltage results from the induced magnetic flux lines in the rotor cutting through the turns of the start winding The voltage induced in the start winding is a function of the speed of the motor at any time and the number of turns in
2. 2036 JG 3 69 461 1 32 55 e MT MTZ040 JH 4 14 518 1 32 57 e e e 2 MT MTZ044 HJ 4 65 581 2 61 77 e e e e e e 2045 HJ 4 65 581 2 61 77 e e 2050 HK 5 23 653 2 61 77 e e e 2051 5 23 653 2 61 77 3 gt ia 2056 HL 5 87 733 2 61 82 e e 2057 HL 5 87 733 2 61 82 i e e MT MTZ064 HM 6 57 822 2 61 82 e e e MT MTZ065 HM 6 57 822 2 61 82 e e E MT MTZ072 HN 7 38 922 2 61 88 e e MT MTZ073 HN 738 922 g 61 88 ele 2080 HP 8 29 1036 2 61 88 2 e e MT MTZ081 HP 8 29 1036 2 61 88 e e MT MTZ100 HS 10 45 1306 4 132 132 e e e 2125 13 15 1643 4 132 141 i e e e e MT MTZ144 HV 14 76 1845 4 132 148 e e MT MTZ160 HW 16 57 2071 4 132 152 8 e e e e Availablein 2 Available in MTZ only Approvals Maneurop MT MTZ compressors Certificates are listed on the product and certificates sires a Directive sE Underwriters Laboratories A160 Hz models China Compulsory Depending on the model and motor Product Certification voltage code Gost Depending on the model and voltage certificate for Russia code Wtaneuvrop 5 SPECIFICATIONS Nominal performance data for R 404A and R
3. 211100 000 120 240 2 Yes ETC 212000 000 24 2 No ETC 212100 000 24 2 Yes OPERATION Liquid Crystal Display LCD The LCD display provides a constant readout of the sensor temperature and indicates if either of the two output relays is energized When the S1 annunciator is constantly illuminated during operation the Stage 1 relay is energized Likewise when the S2 annunciator is constantly illuminated during operation the Stage 2 relay is energized The display is also used in conjunction with the keypad to allow the user to adjust the setpoint temperatures differentials and heating cooling modes for each stage Control Setup The temperature setpoint refers to the temperature at which the normally open NO contacts of the output relay will open Determine the loads to be controlled and the operating modes required for each stage cooling or heating When the cooling mode is chosen the differential is above the setpoint The relay wiil de energize as the temperature fails to the setpoint When the heating mode is chosen the differential is below the setpoint The relay will de energize as the temperature rises to the setpoint The ETC two stage control can be set up for two stages of heating two stages of cooling or one stage cooling plus one stage heating Refer to Figures 1 2 and 3 for a visual representations of different control setups a ON ENERGIZED OFF DE ENERGIZED Programming Steps and Disp
4. Figure 3 20 Explanation of GE Potential Relay Code Compressor Motor and Component Information 28 ITS VAXIY ASJ WEN TE RS E MAIES 72472387 SRIMDI TE REAY K4 E TE 120 DIN CONT COM AA MENT DE iu 430ND THE AiE 14 Se EET MASA AKL IAE TEMPERATE S DENGE iN SESISTANOE THES SEANS TAT CDI SOP EN E TE 207 NCIS 15 ET SUSE F T UFEPATII 24 Sec BRCLO TE TAX 74 407791 2n mss 1 EE M Jor ms v 407741 n _ PROPRIETARY AMD CONFIDENTIAL 74 407781 BE MOTOR STARTING RELAY 3ARR3 3ARB22 DATA 74 407791 H TUSTZMEF SELI PICK UP ASE 2200 07 FIF EADH CIIL EX sa cor J L CL amp SS B 34TINS ASD VIE lu S MO LICENSE 226149991 HAXIHUM 6 14525 SPECIFIED aXIv z DIE BPE 2 12 Bade 3 13 15 SAME 0 22 85 2iiy A BO 3P aBCUI EZ 187 5 50 S 2231 55 BIOX LE CAID EK gt UP PAOU EP cece cx PIC NP LECF CU 220212 DRC 0I FIA D3CF CUT P CK UP AFT 5 Ws faex 3a Trax WIS mac ern Ina PIY MTS
5. ex Jos 24722 at 52 22 45 133 145 20 45 553 65 20 45 58 02 20 4 TESTES 20 45 123 182 20 55 CE t Hl mum SDUNTING PDSITzONS 74 407781 SHEE STARTINS RELAY 3ARR3 22095 L 54613 ANJ CELO PIC U LROF LASS B Ri LIES INS 489 WCE RECISK Ears 3214 22 DATA 74 407791 5 2 6202 FUR SPEZIFIEO AISE 1 iiu 4 14 GRU E 45 SANE 26 12 zc rE 293 E A B E 07 arc esc ur 2544 2872 M ABC E 193 2 50 EC 259 C Fle lt ys DROP SIT FICK Ue DECR OJ ce et 9 15 POY WIN 23 MIN 7215 234 a 25 55 5 465 MDUNTING POSITION
6. 2032 4 22700 243 457 936 25030 265 490 943 30702 320 480 9 61 2036 4 25650 293 558 874 28280 321 599 882 34120 390 578 874 2040 4 29580 340 646 871 32720 371 692 881 40030 446 669 898 2044 4 30530 3 4 610 912 33710 3 63 649 927 43030 436 684 9 85 MTZ045 4 31180 312 584 1001 34490 338 618 1021 43480 425 634 1023 2050 4 34800 379 690 9 19 38490 411 734 934 48150 495 733 972 2051 4 35590 369 651 966 39380 401 695 982 48190 487 706 989 2056 4 39960 432 785 926 44190 469 836 942 54370 5 66 841 9 60 2057 4 39900 402 745 990 44400 437 791 1016 54880 540 803 1015 2064 4 45010 484 879 929 49830 526 935 947 60450 635 947 950 MTZO065 4 45630 461 835 990 50720 502 891 1010 61750 614 901 10 05 MTZ072 4 50540 550 981 919 55940 597 1048 936 67930 721 1078 941 2073 4 52230 542 985 966 58230 587 1048 991 70970 730 1061 972 2080 4 57204 629 1102 908 63280 683 1183 925 76910 824 1235 933 MTZO081 4 59360 629 1131 943 66010 683 1208 9 67 78100 824 1199 947 MTZ100 4 69940 738 1305 949 77520 800 1383 9 69 96380 986 1422 977 MTZ125 4 91880 948 15 4 970 101740 1032 1628 98
7. Meat cold room with 12K 0 8 0 9 bar BS 104 2 bar D natural air circulation R 134a 170 lt Refrigeration meat 0 6 bar ES os 18bar D counter open R 134a 2 9 Milk cold room 1 0 bar 85 0 7 2 1 bar D R 134a Orc Fruit cold room x 13 15 bar 9 12 24 bar Vegerable chiller R 134a ac Freezer 0K 97 bar 39 04 16 bar s 827 30 C Ventilated deep 10K 0 3 bar o 1 2 bar S freeze room 4827 26 Ice cream freezer 10K 0 5 bar 90 0 2 1 4 bar S gt 0 0015 fi E5AG207 DKRCC PF COO A1 02 520HO353 2 Danfoss A S RC CMS MWA 03 2005 Fitters notes Pressure Controls Test of contact function When the electrical leads are connected and the system is under normal operating pressure the contact function can be tested manually Depending on the bellows pressure and setting the test device must be pressed up or down Any reset mechanism becomes inoperative during the test On single units Use the test device at top left On dual units Use the test device on the left for low pressure testing and the one at bottom right for high pressure testing Warning The contact function on a KP Pressure Control must never be tested by activating the device at top right If this warning is ignored the control may go out of adjustment In the worst case function can be impaired AD o01 amp Ab 0019 Danfoss A S RC CMS MWA 03 2008 R25462
8. 2057 2064 2065 2072 2073 1 3 4 171 4 7 8 3 4 07 04 MT MTZ080 2081 173 4 11 4 17 8 3 4 OUTLINE DRAWINGS 4 cylinders Mounting hole for Oil equalization VE models only Terminal box Screw 10 32 UNF x 9 5 Ground M412 Knock out 21 14 _ IP rating 54 with cable gland gia 8229 8250 01386 ium i Silent block 5 iP 2 eee Du E Eje i 3 8 E i 5 RR XL r MTZ 100 125 m 2 MTZ 144 160 Rotolock connections size Pipe sizing Rotolock valve Suction Discharge Suction Discharge Suction Discharge MT MTZ100 MT MTZ125 2 m MT MTZ144 173 4 171 4 1 1 8 3 4 02 vo4 MT MTZ160 ELECTRICAL CONNECTIONS AND WIRING Single phase electrical characteristics Nominal capacitor values and relays PSC Permanent Split Capacitor CSR Capacitor Start Run 1 Run capacitors 440 volts 2 Start capacitors 330 Volts Trickle circuit PSC wiring CSR wiring LRA Locked Rotor Maximum Winding resistance Q Current a
9. 2223 MIZ224M 17225 MIZ22 6M MTZ22WM MTZ22 3VM MIZ224VM MTZ22 5VM 722 6 2 222 9 2028 S MTZ28 1M MTZ28 3M MTZ28 4M MTZ28 5M MTZ28 6M VE MTZ28 1VM MTZ28 3VM MTZ28 4AVM MTZ28 5VM MTZ28 6VM MTZ28 9VM MTZ032 5 MTZ32 1M MTZ32 3M MTZ32 4M MTZ32 5M MTZ32 6M MTZ32 7M MTZ323VM 232 4 MTZ32 5VM 2327 2329 MTZ036 5 MTZ36 1M MTZ36 3M MTZ36 4M MTZ36 5M MTZ36 6M VE MTZ36 1VM MTZ36 3VM MTZ36 AVM MTZ36 5VM MTZ36 6VM MTZ36 7VM MTZ36 9VM PN 5 2401 24 MIZ40 4M 5 MTZ40 6M 5 VE 240 MTZ40 3VM 240 4 5 240 6 5 5 2044 5 MTZ44 3M 244 4 MTZ44 7M MTZ44 9M VE MTZ44 1VM MTZ44 3VM MTZ44 AVM 744 6 MTZ44 7VM MTZ44 9VM 5 E MTZ45 4M z gt meas VE E 245 3 MTZ45 AVM E 5 s 2050 5 MTZ50 3M 250 4 MTZ50 7M MTZ50 9M VE MTZ50 1VM MTZ50 3VM MTZ50 AVM MTZ50 5VM MTZ50 6VM MTZ50 7VM MTZ50 9VM 5 E MTZ51 4M E E VE 251 3 251 4 E 5 E 2056 5 MTZ56 3M MTZ56 AM MTZ56 7M MTZ56 9M VE MTZ56 1VM MTZ56 3VM MTZ56 AVM MTZ56 6VM MTZ56 7VM MTZ56 9VM 5 z 5 MTZ57 4M E Moz VE MIZ57 3VM 1257 4 S 5 E 5 2064 5 MTZ64 3M MTZ64 AM MTZ64 9M VE MTZ64 1VM MTZ64 3VM MTZ64 ANM MTZ64 6VM MTZ64 9VM 5 5 z MTZ65 4M 5 E E 12062 VE 5 MIZ65 3VM 1265 4 E E E MTZ072 5 MTZ72 3M MTZ72 AM MTZ72 6M
10. Hr MENDES External overload protection __ os os Compressor MOTOT Discharge gas thermostat DGT L Soft starters Starting current of Maneurop 3 phase internal components compressors be reduced by using For details of the Cl tronic MCI soft a soft starter Two different versions are starters please refer to literature DKACT available Cl tronic soft starters type 50 1 02 MCI recommended and soft start kits For details of the SCR soft start kits with statoric resistors type SCR Star please contact Danfoss ting current can be reduced by up The number of starts should be limited 50 depending on the compressor mo 6 per hour HP LP pressure equaliza del and the type of soft starter Also me is required before starting chanical stresses that occur at starting are reduced which increases the life of Voltage application Motor Code Nominal voltage Voltage application range 1 208 230 V 1 ph 60 Hz 187 253V range 9 200 230 V 3 ph 60 Hz 180 253V 4 400V 3 ph 50Hz 360 440 V 460V 3 ph 60 Hz 414 506 V 5 230V 1 ph 50 Hz 207 253V 6 230V 3 ph 50Hz 207 253V 7 500V 3 ph 50Hz 450 550V 575V 3ph 60Hz 517 632V 9 380V 3 ph 60 Hz 342 418V IP rating The IP rating ofthe compressor terminal The IP ratings are only valid when cor boxes according to CEI 529 are shown in the outline drawings section rectly sized cable glands of the same IP rating ar
11. 85 137 7 11 230 4 80 MT MTZ032 60 25 44 22 35 18 8 13 55 9 127 6 15 127 890 420 MT MTZ036 74 30 74 26 35 17 9 17 95 1 16 557 1 16 860 4 10 MT MTZ040 98 38 74 ss E 22 10 18 x 0 95 4 56 0 95 MT MTZ044 115 42 77 44 78 22 95 16 8 5 13 0 74 3 80 1 13 5 83 1 68 MT MTZ045 115 485 gt 17 9 5 a 0 69 322 2050 115 42 77 44 78 25 12 19 10 13 5 0 72 3 80 139 583 1 68 MT MTZ051 120 485 M 22 115 0 69 3 60 2056 130 60 105 50 72 26 12 23 11 15 0 57 241 076 3 86 2057 130 64 24 12 0 55 2 39 MT MTZ064 137 67 124 B 72 29 15 25 17 5 0 57 2 41 076 1 64 2065 135 64 28 14 0 55 2 39 MT MTZ072 135 80 143 100 30 15 52 27 18 5 0 55 1 90 0 56 1 32 2073 155 80 32 17 i 0 48 1 90 2080 140 80 132 102 36 18 29 8 225 0 48 1 90 0 56 1 30 2081 140 80 36 19 0 48 190 MT MTZ100 157 90 126 62 110 43 22 35 17 26 0 50 1 85 0 67 3 10 126 MT MTZ 125 210 105 170 75 150 54 27 43 22 30 0 38 1 57 043 2 51 084 MT MTZ 144 259 115 208 90 165 64 30 51 25 40 027 1 19 0 37 2 00 072 MT MTZ 160 259 140 208 99 165 70 36 51 29 46 0 27 110 0 37 176 110 Motor protection MT and s 3 phase corer are notes once the oo anui has ivi rotecte an internal motor pro tripped it may ta
12. A higher number reduces the service life of the motor compressor unit If necessary use an anti short cy cle timer in the control circuit A time out of six minutes is recommen 2 xVavg V1 3 Voltage between phases 1 and 3 V2 3 Voltage between phases 2 and 3 ded The system must be designed in such a way to guarantee a minimum compressor run time in order to provide proper oil return and sufficient motor cooling after starting Note that the oil return rate varies as a function of the system design 21 SYSTEM DESIGN RECOMMENDATIONS Liquid refrigerant control and charge limits Off cycle migration Liquid floodback during operation Liquid floodback at changeover cycles in reversible heat pumps Liquid floodback and zeotropic refrigerants Refrigeration compressors are basically designed as gas compressors Depen ding on the compressor design and operating conditions most compres sors can also handle a limited amount of liquid refrigerant Maneurop MT and MTZ compressors have a large internal volume and can therefore han dle relatively large amounts of liquid refrigerant without major problems However even when a compressor can handle liquid refrigerant it is not favo During system standstill and after pressure equalization refrigerant will condense in the coldest part of the system The compressor can easily be the coldest spot for example when it is placed outside in low ambie
13. ftf tvd bt ovn cfs cpjmieovq i pugjd boe n pvoyoh Example 3ARR3 A5C3 A 5 c s Number of Terminals and Bracket Potential Relay Type Coil Group Continuous Voltage ypo bo f yqrtobjpo f ovn cfs ti cf vtfginjo f Bfre Ufdrzntfi ilt up nips pg qpfogbm grit f Hfofsmtrf sd Dpn qpoz boe uf quiis pgX i jf Spehfst sfrtxt Bo fyqroobjpo f chef eftihobjpo ps sfriet n bovdxdvsfe cz fbd pg u ftf con qbojft jt qspyefe jo Ghvgt 4 31 boe 4 32 Calibration Mountin Hot Pickup Position A 5 screw terminal L bracket 2 168 260 286 L 140 15C 5 screw terminal Flat bracket 3 332 B 280 300 15016 3 screw terminal L bracket 4 502 C 300 32C 160 17 3 screw terminal Flat bracket 5 253 D 320 34C 170 18 5 quick connect terminal L bracket 6 42 E 340 36C 180 19 7 13 350 377 5 190 20 8 214 G 360 38C 200 22 10 375 365 395 U 220 24C 15120 13 V 240 26C K 130 14C 210 23 Note Room temperature calibration is 5 to 7 lower than these values See note on page 31 1 dowr 2 Face up 3 Face out numbers horizontal 4 Face out rotated 90 clockwise from number 3 positior 5 Face out numbers upside down horizontal 6 Face out rotated 90 counterclockwise from number positio
14. wes ENGINEERING TECHNICIAN Serving the Finger Lakes Region of Upstate New York since 1988 Expert Troubleshooting Diagnosis Repairs il Hunt Country Vineyards Branchport New York G amp D 5x5 Refrigeration Chiller Units Electrical AS BUILT Drawings per Information gathered by Tom Brady during the Troubleshooting and REVERSE ENGINEERING procedures performed September 2012 Documents library FINAL SERVICE MANUAL Name ps 1 Cover Page Hunt Country Vineyards 4 1 Index Page 1 Operations Instructions Placard 2 GD 56 Chiller Unit Service Log t 3 Chillers Flow one line diagram 4 Schematics with Components 10x17 tu Components 21 Capacitors Spare Parts List Components 2 Capacitor Bleed Down Resistors Explained 5 Components 3 GE Potential Relay Mounting Positions Components 3 GE Potential Relay Mounting Positions 1 Components 23 GE Potential RelayVoltage Data Sheet 4 Components 3 PR APPLICATION u Components 24 Duplexing Alternating Relay SSAC ARP63S 2 page Components 5 ETC Two Stage Temp Control Components 26 ICM 492C LM Digital Line Voltage Monitor voltage range Tu Components 6 ICM 492C LM Digital Line Voltage Monitor Components 7 6 KP Dual Pressure Switch Manual 15 Components 8 Relay Base Layout Components 9 Johnson Controls Freeze Stat Interlock Maneurop 36 page reciprocating compressors Tu Summary 1 Hey Dave u
15. Coil surplus capillary tube into a loose loop Secure the length of capillary tube between compressor and loop to the compressor Secure the lergth of capillary tube between loop and pressure control to the base on which the pressure control is mounted In case of very strong vibrations Danfoss steel capillary tubes with flare connection are recommended Codeno 0 5m 060 016666 Code no 1 0m 060 016766 Codeno 1 5m 060 016866 Alo 0011 a 1 02 520 0353 Danfoss A S RC CMS MWA 03 2005 Fitters notes Pressure Controls The correct pressure control for your system KP with solder connections can be used instead of flare connections on hermetic systems In ammonia plant where KP pressure controls are used they must be type KP A A connector with M10 0 75 1 NPT code no 060 014166 For refrigerating systems containing a large quantity of charge medium and where extra safety is desired demanded Fail safe Use KP 7 17 with double bellows The system will stop if one of the bellows ruptures without loss of charge Alo 0006 Alc 0003 TAM Danfoss A S RC CMS MWA 03 2005 R254626 DKRCC PF COO A1 02 520 0353 Fitters notes Pressure Controls On the 15 dual pressure control with optional automatic or manual reset on low pressure and high pressure side automatic reset must be set when servi
16. Condensing temperature at dew point saturated discharge temperature ASERCOM Association of European Refrigeration Compressor and SC Subcooling Controls Manufacturers SH Superheat ARI Air Conditioning and Refrigeration Institute Mai OPERATING ENVELOPES MT R 22 MTZ R 407C at DEW point MTZ R 134a MTZ R 404A R 507A Condensing temperature F 160 150 140 130 120 110 100 30 40 50 60 70 temperature F Condensing temperature F 160 150 140 S H 20F 130 120 110 100 90 20 30 40 50 60 70 Evaporating temperature F Condensing temperature F 170 160 150 140 130 120 110 100 90 10 20 30 40 50 60 70 Evaporating temperature F Condensing temperature F 150 140 130 120 110 100 80 0 10 20 40 50 60 Evaporating temperature F OPERATING ENVELOPES Zeotropic refrigerant mixtures Phase shift Temperature glide Dew point temperature and mean temperature for R 407C Refrigerant mixtures can be either zeo tropic or azeotropic In a zeotropic mixture like R 407C on the other hand the composition of vapor and liqu
17. ICM492 Mae in USA SINGLE PHASE DIGITAL LINE VOLTAGE MONITOR The ICM492 constantly monitors line voltage and protects single phase equipment against low and high voltage conditions and rapid short cycling due to voltage fault or power interruption Its easy view backlit digital display makes it user friendly to read and monitor voltage conditions and adjust parameters to meet specific needs Features Specifications Protects Against Over and Under Voltage and Rapid User Adjustable Settings Short Cycling caused by Transient Faults and Power Voltage set point 95 280V Interruptions Anti short cycle time delay 720 seconds Easy view Backlit Digital Display Over voltage setting 5 2596 Under voltage setting 5 25 RMS Voltage Monitoring Control mode On and Off Adjustable Voltage Set Point Response time 0 1 to 10 seconds Adjustable Over Voltage Setting Adjustable Under Voltage Setting Inputs Adjustable Anti Short Cycle Time Delay Line Voltage 80 to 300 VAC Frequency 50 60 Hz Adjustable Response Time s Accuracy 22 Control Mode Low Power Consumption max 50 mA 120V Universal Line voltage Input max 100 mA e 240V Heavy Duty SPDT Relay Output Control Voltage 24 to 240 VAC Universal Control Voltage Input for integrating a thermostat Output de of Operation The ICM492 continuously monitors incoming line voltage for faults and displays RMS voltag
18. MCI 15C MT MTZ018 081 Single pack 1 125 7705007 Electronic soft start kit MCI 25C MT MTZ100 160 Single pack 1 Single phase PSC starting kits Type Codeno Description Application Packaging Pack size Psc 7701026 PSC starting kit 20 uF 10 uF 2018 028 code 5 Multipack 4 Psc 7701024 PSC starting kit 25 uF 10 uF 2032 036 code 5 Multipack 4 PSC 7701025 PSC starting 15 pF 10 uF 2018 code 1 Multipack 4 PSC 7701035 PSC starting kit 15 uF 2022 amp 044 050 code 1 amp 050 5 Multipack 4 Psc 7701151 PSC starting kit 25 uF 25 uF MT MTZ028 code 1 Multipack 4 PSC 7701152 PSC starting kit 25 uF 20 uF MT MTZ032 036 code 1 Multipack 4 PSC 7701153 PSC starting kit 35 uF 20 pF MT MTZO040 code 1 Multipack 4 PSC 7701036 PSC starting kit 30 uF 20 uF 2056 code 1 Multipack 6 PSC 7701037 PSC starting kit 30 25 uF 2064 code 1 Multipack 6 Single phase CSR starting kits amp starting kits in prewired box Type Codeno Description Application Packaging Pack size CSR 7701022 CSR starting kit 20 uF 10 uF 98 pF MT MTZ018 028 code 5 Multipack 4 CSR 7701030 CSR starting kit 25 pF 10 uF 98 F MT MTZ032 036 code 5 Multipack 4 CSR 7701021 CSR starting kit 15 uF 10 pF 98 2018 code 1 Multipack 4 CSR 7701038 CSR starting kit 15 uF 30 uF 98 uF 2022 code 1 Multipack 4 CSR 7701154 CSR starting kit 25 pF 25 uF 140 uF MT MT
19. MTZ72 9M VE MTZ72 3VM MTZ72 4NM MTZ72 6VM 272 9 5 E MTZ73 4M E 3 E 5 VE gt 2733 1273 4 E E E 2080 5 MTZ80 4M MTZ80 9M VE MTZ80 3VM 780 4 MTZ80 6VM 280 9 5 S MTZB1 4M E E 5 5 281 3 281 4 E 5 5 5 2100 Sv MTZ100 3M MTZ100 4M MTZ100 6M MTZ100 7M MTZ100 9M VE MTZ100 3VM MTZ100 4VM MTZ100 6VM MTZ100 7VM MTZ100 9VM 2125 Sv MTZ125 3M MTZ125 4M MTZ125 6M MTZ125 7M MTZ125 9M VE 2125 3 MTZ125 4VM E 2125 6 21257 MTZ125 9VM MTZ144 Sv 2144 3 MTZ144 AM 2144 6 MTZ144 7M MTZ144 9M VE MTZ144 3VM MTZ144 4VM MTZ144 6VM MTZ144 7VM 2144 9 MTZ160 Sv MTZ160 3M MTZ160 4M MTZ160 6M MTZ160 9M VE 5 2160 3 2160 4 2160 6 MTZ160 7VM MTz160 9VM 1 5 Single compressor no oil sight glass no equalization connection Sv VE Single compressor brazed oil sight glass no oil equalization connection Single compressor threaded oil sight glass 3 8 oil equalization connection 33 ORDERING INFORMATION AND PACKAGING Packaging Single pack Multipack Industrial pack Model Net Gross Gross Dimensions weight Nbr Dim
20. single throw normally closed contact structure The armature engages the contact structure at a specific coil voltage value to open the relay contacts during the motor starting function The relay is designed for clean pick up within the calibration range The mechanical load curve of the armature and contact structure action and the magnetic pull curve from the coil are optimized such that once the armature begins its pick up action there is no stalling of the armature as it picks up the load of the contact spring This ensures that there is always clean action of the contacts Materials Materials are corrosion resistant or plated for long life in typical applications Base and cover materials are selected based on the application requirements General Purpose Phenolic is the standard plastic Melamine Phenolic material is available for more severe application conditions The large electrical contacts are Ag CdO 2 silver cadmium oxide composition for reliable disconnection of the start capacitor Terminal Options The design affords easy access to the wiring terminals e Quick Connect Tabs 0 032 x 0 250 0 8 mm x 6 3 mm Tin plated Brass e Screw Terminals 318 32 Tin plated Brass e Spare Terminals Spare Terminals are available for interconnections Note Ifthere is a wiring terminal in position 6 on 3ARR3 relays it must be the same polarity as 1 2 and 4 to prevent possible flashove
21. that provides a constant readout of the sensed tem to easily and accurately select the set point tem perature differential and heating cooling mode of the operation Models are available that operate 120 208 240 VAC or low voltage 24VAC APPLICATIONS With its wide temperature 4 heating or cooling modes the ETC can be used for a wide variety of applications including multiple ventilation control automatic changeover condenser fan cycling space and return air temperature control water cooled condensers and control with alarm funtion Wide setpoint temperature range 30 F to 220 F and differential adjustment 1 F to 30 F Simple keypad programming of setpoint temperature Two individually programmable stages for heating and or cooling LCD readout of sensor temperature control settings Remote temperature sensing up 10 400 feet Two SPDT output relays User selectable Fahrenheit Celsius scales personnel Choice of line voltage and low voltage models available Optional 0 to 10 volt analog output available for remote perature and a touch keypad that allows the user on either line voltage setpoint range and selectable compressor control two stage heating FEATURES differential and cooling heating modes relay status and onboard diagnostics Lockout switch to prevent tampering by unauthorized temperature indication SPECIFICATIONS Input Voltage 120 or 208 240 VAC 24 VAC optional 50
22. 1 035 1 044 1 3714 24 75 36 36 2 1 1 036 1 045 1 3725 25 50 37 372 1 1 037 1 046 1 3736 26 00 38 38 2 3 218 1 038 1 047 1 3747 26 50 39 39 2 4 1 039 1 048 1 3758 27 25 40 40 2 6 1 040 1 049 1 3768 21 15 41 412 8 219 1 040 1 050 1 3779 28 25 42 42 2 10 1 041 1 050 1 3790 29 00 43 432 12 1 042 1 051 1 3800 29 50 H 44 1 14 220 1 043 1 052 1 3811 30 25 45 45 1 16 1 044 1 053 1 3821 30 75 46 46 1 18 1 045 1 054 1 3832 31 25 2 For most applications G amp D Chillers recommends no less than or no more than 35 propylene mixture Page 12 ASSIGNMENT OF WARRANTIES G amp D Chillers assigns to the user any warranties which are made by manufactures and suppliers of components of the system and which are assignable but seller makes no representations as to the effectiveness or extent of such warranties and assumes no responsibility for any matters which may be warranted by such manufacturers or suppliers OBTAINING PERFORMANCE UNER THESE WARRANTIES Within a reasonable time but in no case to exceed 30 days after discovery ofa defect the user should communicate with the person from whom the system was purchased or at the user s option with G amp D Chillers Inc directly Subject to the policy set forth in the section immediately following G amp D Chillers Inc will repair or replace at its option without charge for material subsequent to its inspection and F O B its plant any portion of materials warranted hereunder
23. 22 Refrigeration 50 Hz EN12900 ratings 50 Hz ARI ratings 60 Hz ARI ratings 14 F Tc 113 F SC 0 F SH 18 F To 20 F Tc 120 SC 0 SH 20 F To 20 F Tc 120 F SC 0 F SH 20 F Compressor model Cooling Power Current ppp Cooling Power Current ppp Cooling Power Current pen capacity input input pr capacity input input capacity input input BTU h kW A BTU h kW A BTU h kW A MTZ018 4 6500 121 273 5 40 7070 131 2 86 5 40 8980 176 2 86 5 09 MTZ022 4 8950 148 3 06 6 04 9665 162 324 5 96 12300 2 05 327 6 00 MTZ028 4 11700 1 96 4 04 5 98 12600 2 14 430 5 88 15980 2 68 423 5 95 MTZ032 4 13600 216 4 25 6 28 14550 2 37 4 56 615 17450 2 98 4 56 5 85 MTZ036 4 15950 2 58 4 95 6 18 17400 2 83 5 33 6 02 20150 333 5 09 6 04 MTZ040 4 18200 2 95 5 87 6 18 19400 3 24 6 29 5 97 23000 3 76 5 88 6 11 MTZ044 4 17600 3 16 6 37 5 57 18900 3 43 6 66 5 51 24250 4 18 6 58 5 79 MTZ045 4 18350 277 5 35 6 59 19750 3 02 5 67 6 53 24250 3 85 5 85 6 30 2050 4 27000 3 61 6 53 5 81 22470 3 92 6 92 573 28300 482 7 04 5 87 MTZ051 4 21380 3 22 5 95 6 63 22880 3 50 6 33 6 54 28550 442 6 53 6 46 MTZ056 4 23900 4 00 7 07 5 98 25600 438 7 57 5 85 31800 544 7 80 5 84 MTZ057 4 22900 3 51 6 83 6 52 24750 3 85 7 25 6 43 32400 498 7 52 6 50 MTZ064 4 27760 4 54 8 30 6 11 29700 4 96 8 84 5 99 36730 6 11 8 98 5
24. 40 Hot Pickup Voltage Value of pickup voltage after the coil has been energized during a run cucle and has not cooled down to the ambient temperature during the off cycle Coil temp approx 95 When a coil is energized continuously the resistance value of the coil wire increases therefore a higher voltage is required to produce enough current to actuate the relay Dropout Voltage Value of voltage at which the relay will dropout allowing the contacts to reclose after the compressor or motor is de energized Dropout voltage is related to the rating of the relay coil The higher the coil rating the higher the range of dropout voltage The minimum dropout voltage must be greater than the maximum value of Esrat zero speed with maximum supply voltage Load Current Maximum expected current which the relay contacts will break to disconnect the start capacitor It can be calculated using the maximum capacitor voltage the capacitance value of the capacitor and the frequency This value must be within the rating of the relay contacts Application Procedures General There are various procedures used to select the correct functional elements and characteristics of the relay to be applied depending on the amount of information available The more operating information available the better the application Aside from general information pertaining to terminals circuits and mounting position the primary decisions
25. 60 Hz Temperature Range 30 F to 220 F Differential Range 1 to 30 F Switch Action SPDT Sensor Thermistor 1 94 in long x 0 25 in diameter with B ft cable Power Consumption 120 208 240 VAC 100 milliamps 24 VAC 2 6 VAC Relay Electrical Ratings NO Contact Full load amps 98A 49 Locked rotor amps 588A 294A Resistive amps 98A 49A Horsepower 1 2 hp 12hp NC Contact FulHoad amps 58A 29A Locked rotor amps 348A 174 Resistive amps 58A 29A Horsepower 1 4 hp 1 4 hp Pilot Duty 125 VA at 120 208 240 VAC Control Ambient Temperature Operating 20 to 140 29 C to 60 C Storage 40 F to 176 F 40 C to 80 C Ambient Humidity 0 to 95 RH Non condensing 01010 V Output Impedance 1K Enclosure NEMA 1 Plastic Agency Approvals UL Listed File 94419 Guide CSA Certified 1866340 Class 4813 02 ETC ORDERING INFORMATION Input No of 0 10V Code Number Voltage Stages Output ETC 211000 000 120 240 2 No ETC 211100 000 120 240 2 Yes 212000 000 24 2 No ETC 212100 000 24 2 Yes OPERATION Liquid Crystal Display LCD The LCD display provides a constant readout of the sensor temperature and indicates if either of the two output relays is energized When the S1 annunciator is constantly illuminated during operation the Stage 1 relay is energized Likewise when the S2 annunciator is constantly illuminated during operation the Stage 2 relay is energized The display is also used in conjunction with
26. Continuons Current 7 at 68 Motor Code 1 5 1 5 1 5 Winding run stat run start 2018 51 20 13 10 136 482 180 470 MT MTZO22 493 41 17 15 125 249 178 474 2028 81 51 FONT NEZ RUE REST E 2032 84 70 265 20 064 285 090 430 2036 84 60 30 22 064 285 089 435 2040 99 34 053 200 2044 97 31 5 2050 114 9 36 29 037 179 052 265 2056 136 E 2064 143 46 032 210 50Hz PSC CSR CSR only Run Start Start Models capacitors 1 capacitors 2 B uF relay MT MTZO18 JA 5 20 10 100 2022 JC 5 20 10 100 2028 JE 5 20 10 100 2032 JF 5 25 10 135 SARIGMAA 2036 JG 5 25 10 135 2050 HK 5 30 15 135 60 Hz PSC CSR CSR only Run Start Son Models capacitors m capacitors A HE C pF B uF relay 2018 JA 1 15 10 100 MT MTZ022 JC 1 30 15 100 2028 JE 1 25 25 135 2032 JF 1 25 20 100 MT MTZ036 JG 1 25 20 100 2040 JH 1 35 20 100 SARRSI4AG 2044 HJ 1 30 15 135 2050 HK 1 30 15 135 2056 35 20 200 2064 HM 1 30 25 235 The trickle circuit provides for heating the compressor crankcase by feeding a small current to the auxiliary winding and the run capacitor See the drawings page 14 By using PSC or CSR start
27. HOURS TO CHECK IF IT WILL RESET Overload Thermostat High pressure switch Low pressure switch Start capacitor damaged or burned out Loss of charge causing insufficient motoi cooling Voltage is low or unbalanced if 3 ph Defective or wrong run cap Defective overload See items 10 and 11 Thermostat differential set too close See item 2 Leaking liquid line solenoid valve LLSV Leaking compressor valves Undercharged system Incorrect wiring Excessive cycling Incorrect relay Too high or too low line voltage Excessive short cycling Incorrect wiring Wrong start or run cap Solution Check wiring Confirm operation model and make Confirm integrity and specs check if fitted with discharge resistance Confirm integrity and specs Same as on item 2 above Fit undervoltage protection Remake the connections Replace relay and ensure start cap is fitted with a discharge resistance Check for leaks repair and recharge 1 ph fit undervoltage protection 3 ph correct imbalance Check and replace Check current and replace compressor if necessary See items 10 and 11 Check and widen differential See item 2 Replace LLSV Replace compressor Check for leaks and recharge Open discharge service valve Reset or replace high pressure switch see item 2 orrect and replace Replace and rewire according to compressor manufacturers wiring diagram Same as item 11 Check with manufactur
28. Summary 2 of Findings Hunt Country DZ Hunts Original 5x5 Manual Date modified 9 24 2012 6 22 PM 9 25 2012 6 47 AM 10 1 2012 5 32 AM 9 24 2012 7 45 PM 9 14 2012 10 42 AM 9 14 2012 10 42 AM 9 25 2012 5 41 AM 8 21 2012 5 49 PM 9 8 2012 6 03 AM 9 25 2012 7 11 PM 9 8 2012 6 02 AM 9 25 2012 6 38 AM 9 25 2012 6 30 AM 9 5 2012 10 32 PM 9 25 2012 6 12 AM 9 25 2012 6 33 AM 9 7 2012 11 54 AM 10 1 2012 6 44 AM 9 28 2012 9 21 AM 1 5 2012 3 26 PM 9 13 2012 9 45 PM 9 14 2012 10 05 AM 9 28 2012 4 35 PM Size 57 KB 190 KB 176 KB 134 KB 290 KB 438 KB 32 KB 38 KB 107 KB 337 KB 625 KB 201 KB 161 KB 4 982 KB 97 KB 706 KB 3 636 KB 84 KB 179 KB 1 616 KB 97 KB 201 KB 4 352 KB Date created 9 19 2012 3 14 PM 9 24 2012 8 36 PM 10 1 2012 5 32 AM 9 24 2012 7 43 PM 9 20 2012 12 36 AM 9 20 2012 12 32 AM 9 24 2012 8 45 PM 8 21 2012 5 49 PM 9 8 2012 6 03 AM 9 25 2012 7 11 PM 9 8 2012 6 02 AM 9 25 2012 6 38 AM 9 8 2012 5 28 AM 9 5 2012 10 32 PM 9 25 2012 6 12 AM 9 17 2012 12 54 PM 9 7 2012 10 45 AM 10 1 2012 6 44 AM 9 28 2012 9 21 AM 1 5 2012 3 07 PM 9 13 2012 9 45 PM 9 20 2012 12 33 AM 9 28 2012 4 35 PM Electronic Temperature Control ETC STAGE 1 STAGE 2 Toggle Switch B Compressor Leave on 24 7 365 Turn off for service only Toggle Switch A Compressor Leave on 24 7 365 Turn off for service only Toggle Switch Coolant Circulation Pump is the MAIN ON OFF SWITCH f
29. Valve set V02 1 3 4 1 1 8 VO4 1 1 4 3 4 2080 160 Multipack 6 CO6 CO1 7703011 Angle adapter set C06 1 1 2 1 3 8 MT MTZ018 028 exept 028 code 1 Multipack 4 09 06 7703012 Angle adapter set C09 1 1 4 5 8 C06 1 1 2 2032 040 amp 028 code 1 Multipack 4 07 04 7703013 Angle adapter set CO7 1 3 4 7 8 C04 1 1 4 3 4 2044 072 Multipack 6 C02 Co4 7703014 Angle adapter set C02 1 3 4 1 1 8 04 1 1 4 3 4 2080 160 Multipack 6 601 8156130 Gasket 1 Models with 1 rotolock connection Multipack 10 601 7956001 Gasket 1 Models with 1 rotolock connection Industry pack 50 609 8156131 Gasket 1 1 4 Models with 1 1 4 rotolock connection Multipack 10 609 7956002 Gasket 1 1 4 Models with 1 1 4 rotolockconnection Industrypack 50 607 8156132 Gasket 1 3 4 Models with 1 3 4 rotolock connection Multipack 10 G07 7956003 Gasket 1 3 4 Models with 1 3 4 rotolock connection Industry pack 50 156009 casket sen 17 1 1 4 1 3 4 Olisol gloss gaskets All 1 2 4 cylinder models Multipack 10 Crankcase heaters Type Codeno Description Application Packaging Pack size 5 7773001 crankcase heater 35 W incl heat transfer paste All models Multipack 10 PTC35W 7973009 crankcase heater 35 W incl heat transfer paste All models Industry pack 50 PTC35W 7773125 crankcase heater 35 W mounting
30. a safety factor From this minimum cold pickup value along with the speed change during the response time of the relay it can be observed whether or not the transfer speed is appropriate for proper pull in up to normal running speed In either approach both maximum and minimum operating parameters and the relay functional tolerances must be evaluated prior to final selections To determine the correct value of pickup voltage there must be compensation for the response time of the relay The motor will typically accelerate approximately 700 RPM for two pole 60 Hz motors 400 RPM four pole motors from the time the relay pickup action is started until the relay contacts open and disconnect the start capacitor For 50 Hz motors an approximate value is 500 RPM for two pole and 300 RPM for four pole The minimum cold pickup voltage should be no less than 13096 of the start winding voltage under starting conditions at locked rotor zero speed and at high supply line voltage nominal 1096 This will prevent premature operation of the relay in response to a transient surge of voltage which occurs when the motor is initially energized Maximum start winding voltage at zero speed occurs with maximum supply voltage and maximum values of start and run capacitors connected GE Consumer amp Industrial GE Appliance Controls The minimum cold pickup voltage must also be high enough that when the start capacitor is disconnected there is
31. calibration models This can cause a first cucle error in calibration Mounting Brackets The standard mounting types are shown in Appendix C Coil Group Selection Procedure 1 Determine the maximum continuous start winding voltage which the relay coil will see during the normal running of the motor compressor Measure Esr at synchronous speed load with the maximum expected supply voltage nominal 10 and at the frequency of the application 60 or 50 Hz If voltage data is not available at synchronous speed use 110 of Esr at approximately 3500 RPM for two pole 60 Hz motors or 1750 RPM for four pole motors at maximum supply voltage For 50 Hz motors use 110 Esr at approximately 2900 PM 1450 RPM for four pole 2 Select appropriate coil group from Application Data Sheets 74 407791 Appendix B for the applicable voltage and frequency Because the coil designs have a very large number of turns there is a significant inductive reactance which has an effect on the heat rise of the coil depending on whether the coil voltage frequency is 60 or 50 Hz Sheets 1 and 3 are ratings for 60 Hz and Sheets 2 and 4 are for 50 Hz applications The Data Sheets contain 16 standard coil groups for which the voltage rating for continuous coil operation is listed for two specific temperature rise values 80 C and 60 The maximum start winding voltage in the application must not exceed the maximum coil voltage rating fo
32. call for Working drawings are then passed to pro duction assuring correct and rapid completion Whether your cooling needs are medical tech nical or industrial whether you require per manent or portable chillers G amp D can Custom Fabricate to meet your needs In addition to custom chillers the following items are also available from 680 control components ETL listed control panels and glycol heaters E n Dek 5 Ve in NL eh Eich MNeionized Water Compress Troubleshooting Chart pm Item Complaint System short of capacity Solution Check for leaks repair and recharge Check item 5 below Clean Check item 2 below Remove obstructions causes for air short circuiting Adjust superheat Clean Lower than expected suction and discharge pressures Higher than expected head pressure Low refrigerant charge Dirty condenser Condenser air short circuiting Incorrect superheat too high Dirty condenser Lower than normal suction pressure Tripping high pressure switch or compressor trips on internal overload Head pressure too high Condenser air short circuiting or location too hot Defective condenser fan motor or blade Air or non condensable gases in the system Refrigerant over charge Refrigerant leak or system undercharged Plugged filter drier Insufficient subcool
33. changes in start winding voltage with speed can result in high disconnect voltage and current on the start capacitor It may also require a relay with a very high differential to prevent the relay from dropping out while the motor is running Definitions Supply Line Voltage Value of voltage at the input terminals of the motor Specified as Nominal High 10 or Low 15 Ess Voltage across the start winding with start capacitor in the circuit Esr Voltage across the start winding with start capacitor out of the circuit Ecs Voltage across the start capacitor with the capacitor in the circuit during starting Transfer Speed Selected RPM of the motor at which the start capacitor is disconnected and motor will pull up to normal running speed Crossover Speed Motor speed above which the running torque exceeds the starting torque Coil Voltage Rating Continuous voltage which can be applied to the relay coil without exceeding the maximum allowable coil winding temperature Pickup Voltage GE Consumer amp Industrial GE Appliance Controls Determines the transfer speed at which the start capacitor is disconnected Allowance is made in the specified pickup voltage to compensate for the response time of the relay Cold Pickup Voltage Value of pickup voltage when the relay coil is cold This is the condition when the coil has not been energized and is the lowest expected pickup voltage Coil temp approx
34. concern relay type 3ARR3 or 22 coil group and calibration The Application Data Work Sheets Appendix A are step by step procedures and should be followed for each application It is recommended that the characteristics be measured on the motor compressor at the expected supply voltage and frequency for the best applications There are some approximations which may be used to convert coil performance and calibration from one frequency to another but they should be used with caution Potential relay applications involve compromises to ensure specific performance requirements are not violated This means reviewing data and preliminary calculations and refining them to provide the optimum relay characteristics Mounting Location The relay should not be mounted in a location where there is close proximity to large pieces of magnetic material which may link the magnetic flux of the relay and change the calibration If another location is not possible the calibration of the relay may be modified to compensate for the effect The relay also should not be mounted in a location where it will be subject to substantial vibration or shock which may alter the calibration or cause the contacts to open prematurely The relay may be mounted in any one of the six possible positions Appendix B and CJ however position 6 should be avoided In position 6 the return spring may not properly seat the armature in its pivots especially on low
35. cover KNB20A 602R Replacement Knob Kit Accessories A packing nut is available for closed tank application Specify the part number FTG13A 600R Bulb wells WEL14A Series are available for liquid immersion applications Refer to the selection chart or to Bulb Wells Catalog Page LIT 1922135 Technical Specifications Electrical Ratings Motor Ratings VAC Wide Range Adjustable Differenti Full Load A 160 92 Locked Rolor A 960 552 Non Inductive 7 22 120 to 277 Pilot Duly 125 VA 2410 600 VAC Fixed Differential and Close Differen Full Load A 60 34 Locked Rotor A 36 0 204 Non Inductive A 10 A 24 to 277 VAC Pilot Duty 125 VA 2410 277 Case Compensated Fixed Differential A19AAC 4 AC Full Load A 160 82 80 Locked Rotor A 960 552 480 Non Inductive 7 22 120 to 277 Pilot Duly 125 VA 2410 600 VAC Full Load A Locked Rotor A Non Inductive A 10 A 24 to 277 VAC Pilot Duty 125 VA 24 to 277 Manual Reset Full Load A 92 Locked Rotor A 552 Non Induclive A 92 Pilot Duty 125 VA 2410 600 VAC 1 SPST and N O contact of SPDT control SPDT contact 16 amps 120 to 277 VAC The performance specifications are nominal and conform to acceptable industry standards For applications at conditions beyond these specifications consult the local Johnson Controls of
36. due to the start capacitor discharging through the relay contacts as they close following a very short running cycle The resistor permits the capacitor charge to bleed down at a much faster rate preventing arcing and overheating of the relay contacts The use of capacitors supplied by Copeland is recommended In case of an emergency exchange a 15 000 18 000 ohm two watt resistor should be soldered across the terminals of each start capacitor Care should be taken to prevent their shorting to the case or other nearby metallic objects If sticking contacts are encountered on any start relay the first item to check is the start capacitor resistor If damaged or not provided install a new resistor and clean or replace the relay A Start Capacitor Bleeder Resistors Modern high power factor low current single phase compressor motors which require start and run capacitors used with potential type relays can create electrical circuits which could cause starting relay damage resulting in compressor failure The high voltage stored in the start capacitor could discharge across the contacts of the starting relay thus welding them and preventing the relay from functioning Capacitor failure and or start winding failure could result To eliminate this Tecumseh Products Company start capacitors are equipped with bleeder resistors wired across the capacitor terminals No start capacitor used in conjunction with a potential relay and run capacitor
37. enough running torque to pull the motor up to normal running speed The maximum hot pickup voltage value should be low enough that the motor will always get to a speed high enough under load conditions to pick up the relay and disconnect the start capacitor It is advisable to disconnect the capacitor at the lowest speed which will start the motor This will assure the capacitor voltage and disconnect current of the relay contacts are kept as low as possible In all cases the minimum relay dropout voltage must be greater than the maximum Esr at zero speed with maximum supply line voltage to assure that the relay drops out when the motor is de energized The current which the relay contacts must break to disconnect the start capacitor be calculated by formulas in Appendix A This value of current must be less than the contact rating of the relay If itis not the capacitor must be disconnected at a lower speed to reduce Ecs to a value which will be within the relay contact rating or a higher rated relay 3ARR22 should be used After the approximate value of hot or cold pickup has been determined refer to the previously selected coil group table in the Application Calibration Tables 74 407791 Appendix B for the appropriate calibration letters which best fit the speed torque voltage values of the motor curves Note Once values are determined they must be rechecked for the effects of all maximum and minimum tolerances c
38. gas or nitrogen be used for pressure tes ting Dry air may also be used but care should be taken since it can form a flammable mixture with the compres sor oil When performing a system pressure test the maximum allowed pressure for the different components should not be exceeded For MT MTZ compressors the maxi mum test pressures are shown in the table below 1 2 4 cylinder compressors Maximum compressor test pressure low side 362 psi g Maximum compressor test pressure high side 435 psi g Do not exceed 435 psig pressure dif ferential between high pressure side and low pressure side of the compres Whenever possible if valves are pre sent the compressor must be kept isolated from the system Perform leak detection using the final refri gerant Pressurize with nitrogen or another system neutral gas and use a leak detector for the applied refrige sor because this will open the internal compressor relief valve rant A helium leak detector can also be used Leaks must be repaired respecting the instructions written above Use of other gasses such as oxygen dry air or acetylene is not recom mended as these gasses can form a 27 ett INSTALLATION AND SERVICE Vacuum pull down moisture removal Start up Refrigerant charging flammable mixture Never use CFC or HCFC refrigerants for leak detection in HFC systems Note 1 Leak detection with refrigerant may
39. industrial commercial and that enhance performance and reduce supermarket refrigeration as well as air total life cycle costs the key to major conditioning and climate solutions savings Ps Controls for Controls for Electronic Controls amp Industrial Automation Commercial Refrigeration Industrial Refrigeration Sensors Household Compressors Commercial Compressors Sub Assemblies Thermostats We are offering a single source for one of the widest ranges of innovative refrigeration and air conditioning components and systems in the world And we back technical solutions with business solution to help your company reduce costs streamline processes and achieve your business goals Danfoss A S www danfoss com Danfoss Inc Refrigeration amp Air Conditioning Division 7941 Corporate Drive Baltimore MD 21236 Ph 410 931 8250 Fax 410 931 8256 E mail baltimore danfoss com Internet www danfoss com North America Danfoss can accept no responsibility for possible errors in catalogues brochures and other printed material Danfoss reserves the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss and the Danfoss logotype are trademarks of Danfoss A S rights reserved U
40. it should be fitted with a protective cap The cap can be used together with either an angle bracket awall bracket Alo 0007 AIO 0008 If the unit risk being exposed to heavy water influence a better grade of enclosure can be achieved when mounting the product in a special IP 55 enclosure The IP 55 enclosure is available for both single unit 060 033066 and dual unit 060 035066 0020 Danfoss A S RC CMS MWA 03 2008 R254626 DKRCC PF COO A1 02 520 0353 Fitters notes Pressure Controls The pressure connection of the control must always be fitted to the pipe in such a way that liquid cannot collect in the bellows I his risk is present especially when the unit is located in low ambient condition e g in air current the connection is made on the underside of the pipe Such liquid could damage the high pressure control Consequently compressor pulsation would not be damped and might give rise to contact chatter Alo 0009 Placing of surplus capillary tube Surplus capillary tube can fracture if vibration occurs and might lead to complete loss of system charge It is therefore very important thatthe following rules are observed When mounting direct on compressor Secure the capillary tube so that the com pressor control installation vibrates as a whole Surplus capillary tube must be coiled and bound Othertypes of mounting
41. leave the compressor with the dischar ge gas With good system piping design this oil will return to the compressor As long as the amount of oil circula ting through the system is small it will contribute to good system operation and improved heat transfer efficiency Excess oil in the system however will have a negative effect on condenser and evaporator efficiency If in a poorly Horizontal suction line sections shall have a slope of 0 596 in the direction of refrigerant flow 5 8 for every 10 of pipe The cross section of horizontal suction lines shall be such that the re sulting gas velocity is at least 13 fps In vertical risers a gas velocity of 26 to 40 fps is required to ensure proper oil re turn A U trap is required at the foot of each vertical riser If the riser is higher than 13 ft additional U traps are requi red for each additional 13 ft The length of each U trap must be as short as possi ble to avoid the accumulation of exces sive quantities of oil see figure below For compressors mounted in parallel designed system the amount of oil re turning to the compressor is lower than the amount of oil leaving the compres sor the compressor will become star ved of oil and the condenser evapora tor and or refrigerant lines will become filled with oil In such situations addi tional oil charge will only correct the compressor oil level for a limited period of time and increase the amount of sur plu
42. not just monitor Use KP 2 with a small differential Anexample where pressure control and thermo stat are in series KP 61 regulates the temperature via compressor stop start KP 2 stopsthe compressor when suction pressure becomes too low KP61 CUTIN 5 C 26bar CUTOUT 1 C 2 2 KP 2 low pressure CUTIN 23bar CUTOUT 1 8 bar Alo 0004 For systems where KP is activated occasionally alarm and for systems where KP is the signal source for PLC etc Use KP with gold contacts these give good contact at low voltages Alo 0005 19 1 02 52080353 Danfoss A S RC CMS MWA 03 2005 Fitters notes Pressure Controls If the risk of water droplets or water spray is present the accompanying top plate should be used The plate increases the grade of enclosure to IP 44 and is suitable for all KP pressure controls To obtain IP 44 the holes in the backplate of the control must be covered by mounting on either an angle bracket 060 105666 or a wall plate 050 105566 The top plate is supplied with all units incor porating automatic reset It can also be used on units with manual reset hut in that case must be purchased separately code no for single unir 060 109765 for dual unit 060 109866 If the unit is to be used in dirty conditions or where it might be exposed to heavy spray from above or from the side
43. starting relay thus welding them and preventing the relay from functioning Capacitor failure and or start winding failure could result To eliminate this Tecumseh Products Company start capacitors are equipped with bleeder resistors wired across the capacitor terminals No start capacitor used in conjunction with a potential relay and run capacitor should be installed without such a bleeder resistor In an emergency where no bleeder resistor equipped capacitors are available then a two watt 15 000 ohm resistor can be obtained and soldered across the capacitor terminals APPENDIX C GE Consumer amp Industrial GE Appliance Controls Potential Relay Mounting Brackets and Mounting Positions POTENTIAL RELAY MOUNTING BRACKETS AND MOUNTING POSITIONS 369 COVER _ 19 32 SLOT p S 9 64 5 32 x 1 4 SLOT 96 32 OR M4 x 0 7 FOR MTG SCREW ire SCREWS 6 S 2 MTG HOLES 370 COVER MTG MOUNTING POSITIONS 7 X U Sar 46 32 OR M4 x 0 7 CREW 2 MTG HOLES Potential Type Relay Supplier Code Designations Jo sdou zfbs UFdvntfi i tt bo jodfktjoh ovn cfs pgqp ogbnsfrizt xj fsn fd sft tpst B rif ovn cfs ftf i cffo vtfe po hs bggriejpot u fsf bef bip n boz pu fs baqnabyjpot u fof bf boz wegbjpot xju fh up
44. the keypad to allow the user to adjust the setpoint temperatures differentials and heating cooling modes for each stage Control Setup The temperature setpoint refers to the temperature at which the normally open NO contacts of the output relay will open Determine the loads to be controlled and the operating modes required for each stage cooling or heating When the cooling mode Is chosen the differential is above the setpoint The relay will de energize as the temperature falls to the setpoint When the heating mode is chosen the differential is below the setpoint The relay will de energize as the temperature rises to the setpoint The ETC two stage control can be set up for two stages of heating two stages of cooling or one stage cooling plus one stage heating Refer to Figures 1 2 and 3 for a visual representations of different control setups D ON ENERGIZED Steps and Display The ETC two stage can be programmed in seven simple steps using the LCD display and the three keys on the face of the control STAGE 1 i SETPOINT Step 1 ON Stage 1 STAGE 2 o Sep 2 STAGE 2 ON Step 3 o Figure 1 Two Stage Heating Example Step 4 e OFF DE ENERGUED Stage 2 a Step 5 STAGE2 STAGE 2 Orr a Step 6 STAGE 1 STAGE 1 9KF o Step 7 Figure 2 Two Stage Cooling Example a Figure 3 One Stage Cooling and One Stage Heating Example To start am
45. thirty seconds Any settings that have been input to the contro will be accepted at that point control settings are retained in non volatile memory if power to ETC is interrupted for any reason Re programming is not necessary after power outages or disconnects unless different control settings are required Annunciator Description Display Foc or Celsius Scale S1 blinking Stage 1 Temperature DiFi birkng Stage 1 Differential Temperature cM Stage 1 Cooing or Heating Mode S2 blinking Stage 2 Setpoint Temperature DIF 2 blinking Stage 2 Differential Temperature Cam Stage 2 Cocling or Heatng Mode Lor Switch he we is provided with lockout switch to prevent tampering by inauthorized personnel When placed in the LOCK position the eypad is disabled and no changes to the settings can be made When laced the UNLOCK position the keypad will function normally access the lockout switch disconnect the power supply and open he control The switch is located on the inside cover about 2 inches ibove the bottom see Figure 4 To disable the keypad slide the Witch to the left LOCK position To enable the keypad slide the witch to the right UNLOCK position All ETC controls are shipped vith this switch in the UNLOCK position LOCK UNLOCK Fiqure 4 Lockout Switch TROUBLESHOOTING ERROR MESSAGES Display Messag
46. which does not conform to the characteristics of these warranties If replacement parts or components of the part or portion claimed to be defective the replacement part or portion shall be invoiced in the full current price amount and shipped freight collect Credit will be allowed only after G amp D Chillers inspection discloses the claimed defect and shows no signs of treatment or use which would void coverage of these warranties ITEMS NOT COVERED BY WARRANTIES This warranty does not cover damage or defect caused by misuse improper application wrong or inadequate electrical current or voltage or freeze damage water and drain services negligence accident in transit tempering or alterations changed location or operating use installation contrary to G amp D Chiller s or component manufactures recommendations or in any event if the G amp D Chillers serial number tag has been altered defaced or removed This warranty does not cover shipping costs installation costs maintenance arid service items including but not limited leaning lubrication calibration and adjustment and further does not include labor loss or replacement of refrigerant driers or transportation charges incidental to the replacement of the system or compressor or any part thereof or charges to remove the same from any premises of the user Repair or replacement ofa defective part or the crediting to the user of the value thereof does not extend the origina
47. without paste All models Multipack 10 5 7973011 crankcase heater 35 W mounting without paste All models Industrypack 50 7773106 Belt type crankcase heater 55 W 230 V CE mark UL 2018 040 Multipack 4 7773002 Belt type crankcase heater 54W 240 V UL 2018 040 Multipack 4 7773013 Belt type crankcase heater 54W 400V UL 2018 040 Multipack 4 7773111 Belt type crankcase heater 54 W 460 V UL 2018 040 Multipack 4 7773109 Belt type crankcase heater 65 W 110 V mark UL 2044 081 Multipack 6 7973001 Belt type crankcase heater 65 W 110 V CE mark UL 2044 081 Industrypack 50 7773107 Belt type crankcase heater 65 W 230V CE mark UL 2044 081 Multipack 6 7973002 Belt type crankcase heater 65 W 230 V CE mark UL 2044 081 Industrypack 50 7773117 Belt type crankcase heater 65 W 400 V mark UL 2044 081 Multipack 6 7773010 Belt type crankcase heater 50W 110 V UL 2044 081 Multipack 6 7773003 Belt type crankcase heater 50W 240V UL MT MTZO44 081 Multipack 6 7773009 Belt type crankcase heater 50 W 400V UL 2044 081 Multipack 6 7773006 Belt type crankcase heater 50W 460V UL 2044 081 Multipack 6 7773119 Belt type crankcase heater 75 W 575 V UL 2044 081 Multipack 6 7773110 Belt type crankcase heater 75 W 110 V CE mark UL MT MTZ100 160 Multipack 6 7773108 Belt ty
48. 10 14 1 9108 3 8in x 5 in 8 ft Cap WEL14A 603R Knob 170 77 AISABC 24C 3 SPDT 3010 100 341038 31012 1710 67 3 8 4 8ft Cap WELI4A 602R Convertible 140 60 19 36 5 3010 100 341038 31012 1 71067 3 8in x4in 20ft Cap WELTAA G02R Convertible 140 80 19 37 5 23010 100 3410 38 310 12 1 71067 3 8in x4in 10 t Cap WELT4A G02R Screwdriver slot 140 60 19 746 5 301 100 341038 31012 1 71067 38 4 61 WELI4A G02R Screwdriver slot 140 60 Fixed Differential ATSAAF 2C SPDT 2510225 410107 81 2 1 9 3 8 in x3in 104 WELI4A G02R Screwdriver slot 275 135 Fixed Differential Case Compensated AISAACAC SPDT 0 to 80 18 to 27 5 28 3 8 in x4in 6ft Cap WELT4A 602R Screwdriver slot 140 60 ATSAADi2C 5 5 23010 50 34010 21 2 14 Bin x4in 7A Cap WELI4A GOZR Screwdriver slot 140 60 Open Low Fixed Differential Close AI9AAD 5C SPST 3010 50 1 lo 10 21 2 14 3 8 in x2 5 8 in WELT6A 601R Screwdriver slot 190 88 Open Low Bulk Milk Cooler 6 ft Cap 20 5 23010100 3410 38 21 2 1 4 38 in x4in Of WEL14A 602R_ Screwdriver slot 140 60 ATSAAF HC 5 40 10 90 4 10 32 11 2 0 8 38 in x 5 3 4 in 6 t WELIAA G03R Screwdriver slot 140 60 ial Reset A19ACA 14
49. 255 663 18305 189 331 969 22000 227 331 9 69 MT028 4 12750 181 359 704 25200 255 456 987 30200 306 456 987 MT032 4 13500 211 373 639 27500 298 497 922 33000 358 497 922 036 4 16400 235 430 697 31650 337 577 938 38000 405 577 938 MT040 4 17800 267 486 666 35800 386 647 927 42900 463 647 927 MT044 4 18100 272 603 666 37700 389 737 969 45200 466 737 969 MT045 4 16600 246 502 676 35900 353 637 1017 44000 432 642 1018 MT050 4 19850 295 522 673 42100 432 846 974 50500 518 846 974 MT051 4 20050 294 553 683 41800 419 720 997 50200 504 726 995 056 4 23300 344 621 680 47000 S04 1027 932 56400 605 1027 932 057 4 22000 318 639 693 47000 458 819 1024 56400 558 823 1010 MT064 4 26100 389 706 669 54000 566 954 953 64800 680 954 953 MT065 4 26470 3 64 7 03 737 53700 527 916 1018 64400 632 933 1018 MT072 4 29100 429 758 680 58500 631 1054 926 70200 757 1054 926 MT073 4 29750 419 848 710 62100 612 1098 1015 74600 733 1077 1016 MT080 4 33200 484 824 686 66700 713 1158 936 80000 855 1158 936 MT081 4 35380 489 952 724 70800 708 1248 999 85000 850 1234 1000 MT100 4 38700 579 1182 669 79900 798 1459 1000 95900 958 1459 1000 MT125 4 52100 755 1228 690 10
50. 3900 1066 1737 974 124700 1280 1737 974 MT144 4 59000 847 1706 697 117300 1195 2275 980 140700 1435 2275 980 MT160 4 65540 949 1681 690 130700 1340 2216 975 156900 1608 2216 975 To Evaporating temperature at dew point saturated suction temperature Condensing temperature at dew point saturated discharge temperature SC Subcooling SH Superheat ARI capacity and power input data are 5 Association of European Refrigeration Compressor and Controls Manufacturers ARI Air Conditioning and Refrigeration Institute n SPECIFICATIONS Nominal performance data for R 407C and R 134a Air Conditioning 50 Hz 12900 ratings 50 Hz ARI ratings 60 Hz ARI ratings To 45 F Tc 130 SC 15 SH 20 F To 45 F Tc 130 F SC 15 F SH 20 F To 45 F Tc 130 F SC 15 F SH 20 F Compressor model Cooling Power Current ggg Cooling Power Current ppp Cooling Power Current peg Brum ASTU Wh Brum kw 2018 4 11850 127 273 932 13150 138 286 953 17250 173 282 998 2022 4 15540 171 327 912 17140 186 347 923 21450 226 345 948 2028 4 20080 217 430 929 22340 236 457 945 28070 282 441 993
51. 5 121650 1283 1807 947 MTZ144 4 101670 10 68 17 55 9 53 112940 11 59 18 80 9 74 139680 1442 19 81 9 68 MTZ160 4 116420 1240 20 08 9 39 129160 1346 21 50 9 59 154430 16 64 2246 9 27 50 Hz EN12900 data for indicated models ASERCOM certified Air Conditioning 50 Hz 12900 ratings 50 Hz ARI ratings 60 Hz ARI ratings 41 F 122 F SC 0 F SH 18 F To 45 F Tc 130 F SC 15 F SH 20 To 445 Tc 130 F SC 15 F SH 20 F Compressor model Cooling Power Current ppp Cooling Power Current ggg Cooling Power Current pgp capacity input input capacity input inpu capacity input inpu STU kW A Brum kw Sum kw A MTZ018 4 7890 092 212 857 8710 099 219 881 11200 122 209 920 MTZ022 4 10250 111 242 922 11440 120 251 956 14860 154 256 963 MTZ028 4 12740 141 3 8 905 14380 153 330 940 19260 204 337 943 MTZ032 4 14990 174 380 861 16910 187 394 903 20940 239 389 876 MTZ036 4 18240 197 388 926 20490 213 409 960 24490 275 420 891 MTZ040 4 19470 215 458 908 27860 233 489 936 27870 472 903 MTZ044 4 20900 236 551 888 23460 252 5 6
52. 5 929 29850 314 547 951 MTZ045 4 20800 206 456 1011 23390 222 473 1053 30120 284 470 1059 MTZ050 4 24490 268 533 912 27560 288 550 957 34460 3 60 536 957 2051 4 24280 244 502 996 27360 263 520 1039 34530 329 533 1048 2056 4 27460 299 561 9 19 30980 321 583 963 38010 395 592 962 MTZ057 4 26230 262 593 1001 29780 284 617 1047 38870 382 637 10 16 2064 4 31280 336 666 932 35350 362 696 977 45290 468 7 11 967 2065 4 30600 302 653 1011 34700 326 681 10 63 44400 420 677 1056 MTZ072 4 36000 374 683 963 40470 401 720 1009 50000 519 759 964 MTZ073 4 34940 350 766 997 39790 378 799 1052 50000 481 788 1039 MTZO80 4 47260 431 803 956 46380 464 845 1000 56520 599 879 942 MTZO81 4 40130 402 844 997 45490 435 883 10 44 56320 547 868 1029 MTZ100 4 47030 489 984 960 53040 528 1024 1004 63970 650 1011 9 84 MTZ125 4 57990 584 10 24 994 65130 629 1080 1035 79920 771 1109 10 23 MTZ144 4 71820 727 13 11 987 80670 783 1378 1030 96960 981 1428 987 MTZ160 4 78820 798 1390 987 88320 857 1467 1029 107650 1091 15 54 9 86 To Evaporating temperature at dew point saturated suction temperature ARI capacity and power input data are 5 Tc
53. 5 6 7 9 28 3 4 5 6 7 9 Mounting hole for PTC crankcase heater 0 MTZ2271 28 1 32 36 40 Rotolock connections size Pipe sizing Rotolock valve Suction Discharge Suction Discharge Suction Discharge 2018 2022 3 4 5 6 1 1 1 2 3 8 06 vot 2028 3 4 5 6 2022 1 171 4 T 5 8 3 8 09 vot 2028 1 MT MTZ032 2036 171 4 1 5 8 1 2 09 vo6 MT MTZ040 OUTLINE DRAWINGS 2 cylinders Terminal box for model 1 Spade connectors 1 4 AMP AWE Mounting hole for PTC crankcase heater Ground M4 12 Knock out 0083 rating 55 with cable gland PE Terminal box for model 2 Screw 10 32 0 95 ous T i Ground i i on Knock out jauge port jock out_ oe Pus 9 E IP rating 54 with cable gland i 8 i Oll sight glass equalization i YEmodeksonly Silent block 5 i bolt H M8 4C i i 295 272 059 aas 3 g 1 MTZ 44 1 all code 3 except 80 3 amp 81 3 all code 4 7 9 0 MTZ 50 1 56 1 64 1 80 3 81 3 all code 6 Rotolock connections size Pipe sizing Rotolock valve Suction Discharge Suction Discharge Suction Discharge MT MTZ044 MT MTZ045 MT MTZ050 2051 MT MTZ056
54. 6 DKRCC PF COO A1 02 52080353 7 Standard model Type Surface or DIN Rail Mount Current Carrying Members Phosphor Bronze Nickel Plated Steel Terminals Screw with Captive Wire Clamps Electrical Rating 10A 300VAC Finger safe model F SUFFIX IS FINGER SAFE Wy Code No LIT 1927010 Jenson Issued February 1 2009 Controls A19 Series Remote Bulb Control Description A19 Series The A19 Series are single stage temperature controls that incorporate environmentally friendly liquid filled sensing elements 9 Features wide temperature ranges available Li constant differential throughout the entire range compact enclosure fixed or adjustable differential available variety of sensing element styles Action on Increase unaffected by cross ambient conditions of Temperature t Applications A19 Series The A19 is suitable for temperature control in Terminal Arrangement for SPDT A19ABC 24 healing ventilating air conditioning and refrigeration Selection Charts A19 Series Remote Bulb Control Bulb and Bulb Well No Range Max Bulb Capillary order Adjuster Temp F C separately Adjustable Differential Wide Range 1 40 2 SPST 23010 100 341038 31012 17106 7 3 8 4 61 WEL14A 602R Screwdriver Slot 140 60 pen Low 19 4 SPDT 50 to 130 10 to 55 31 2
55. 72 82 75 2073 79 72 82 75 2080 79 73 84 78 MTZ081 79 73 84 78 MTZ100 85 79 87 81 MTZ125 84 78 86 80 MTZ144 83 7 86 80 MTZ160 83 77 86 80 Model Acoustic hood accessory code no 2018 040 Acoustic hood for 1 cyl compressors 7755001 2044 081 Acoustic hood for 2 cyl compressors 7755002 MT MTZ100 160 Acoustic hood for 4 cyl compressors 7755003 24 Wt aneurop SOUND AND VIBRATION MANAGEMENT Vibration The mounting grommets delivered with the compressor should always be used They reduce vibration transmitted by the compressor mounting feet to the base frame The base on which the compressor is mounted should be sufficiently rigid and of adequate mass to ensure the full effectiveness of the mounting grom mets The compressor should never be direct ly mounted to the base frame without the grommets If it is significant high vi bration transmission will occur and the compressor service life will be reduced Suction and discharge lines must have adequate flexibility in 3 planes Vibra tion absorbers may be required Care must be taken to avoid tubing ha ving frequencies resonant close to the compressor frequency Vibration is also transmitted by the re frigerant gas Maneurop compressors have built in mufflers to reduce this vi bration To further reduce vibration an additio nal muffler can be installed Note Maneurop MT amp MTZ compres sors have been
56. 91 MTZ065 4 27250 4 20 7 82 6 49 29340 4 60 8 35 6 37 36000 5 67 831 6 35 MTZ072 4 31250 4 99 8 64 6 28 33330 5 45 928 6 11 40470 6 91 9 76 5 85 MTZ073 4 30460 4 69 8 95 6 49 32680 5 11 9 50 6 39 40850 6 53 9 73 6 25 MTZ080 4 35930 5 84 10 12 6 15 38250 6 38 10 87 5 99 45760 8 03 1135 5 70 MTZ081 4 35750 5 61 10 20 6 39 38780 6 14 10 94 6 22 46450 781 11 35 5 94 MTZ100 4 41940 6 76 12 21 6 22 44500 7 35 12 94 6 11 52850 8 72 12 79 6 06 MTZ125 4 53650 8 44 13 79 6 35 57380 9 21 14 86 6 22 68200 11 37 15 41 6 00 MTZ144 4 63150 9 78 16 29 6 45 67240 10 65 1747 6 31 80350 12 99 17 93 6 18 MTZ160 4 69350 11 08 18 26 6 25 73970 12 09 19 64 6 11 87300 1473 20 17 5 92 50 Hz EN12900 data for indicated models are ASERCOM certified R 4048 data are also valid for refrigerant R 507A Air Conditioning 95 50 Hz ARI ratings 60 Hz ARI ratings Compressor To 14 F Te 113 F 5 0 SH 18 F To 45 F Te 130 F SC 15 F SH 20 F To 45 F 130 F SC 15 F SH 20 F model Cooling Power Current pgg Cooling Power Current pgg Cooling Power Current ccu capacity input input ww capacity input input caPacity input input gri wh BTU h kW A BTU h kW A BTU h kW A MT018 4 5770 1 00 227 S77 13250 145 273 916 15900 174 273 916 MT022 4 8500 129
57. ADE SIZE 88 REF BOTTOM VIEW 4 Figure 5 Dimensions Inches CONTROL WIRING General All wiring should conform to the National Electric Code and local regulations The total electrical load must not exceed the maximum rating of the control see Specifications Use copper conductors only Electrical leads should not be taut allow slack for temperature change and vibration Input and Output Wiring For typical wiring diagrams refer to Figures 6 and 7 All connections are made to the power lower circuit board When using the 24 VAC powered models the 24 VAC input lines must enter through the sidewall of the case Refer to Figure 5 for location of the entry hole Analog Output ETC models are available with an optional 0 to 10 volt analog output This signal is a linear representation of the sensor temperature with 0 volts 30 F and 10 volts 220 See figure 8 for wiring information and Figure 5 for location of the entry hole The reference for this output is designated by the symbol on the wiring diagram The output signal is designated by the symbol Sensor Wiring Figure 7 Typical Wiring Diagram for 24 VAC Power Input and The temperature sensor leads are soldered to the circuit board so Line Voltage Switching additional connections are necessary However splicing is required when extending the sensor cable length beyond the standard 8 foot length supplied with the ETC The sensor cable can be exte
58. C 5 5 23010 100 Manual Reset BB in x4 in WELT4A 602R Screwdriver slot 140 60 Open Low 34 to 38 6 ft Cap A19ACA 15C 5 5 30 to 100 Manual Reset 3 8 in x 4 in WELT4A 602R Screwdriver slot 140 60 Open Low 34 to 38 10 ft Cap ATSADB 3AC 5 5 10010 240 Manual Reset 3 8 in 31 21 WELT4A 602R 290 143 Open High 38 to 116 6 ft A19ADN 1C SPST 10010 240 Manual Reset 3 8 in x 4 in WEL14A 602R Screwdriver slot 290 143 Open High 38 to 116 6 ft Cap 1 Specify the control model code number packing nut code number if required and bulb well code number if required 2 Replaces White Rodgers 1609 101 Replaces White Rodgers 1609 12 13 Ranco 010 1408 1409 1410 1490 060 110 Honeywell L6018C 1006 L6021A 1005 T675A 1011 1508 1516 1821 T4301A 1008 T6031A 1011 T6031A 1029 4 Case Compensated The performance specifications are nominal and conform to acceptable industry standards For applications at conditions beyond these specifications consult the local Johnson Controls office Johnson Controls Inc shall not be liable for damages resulting from misapplication or misuse of its products 2009 Johnson Controls Inc www johnsoncontrols com 10f2 amon ontrols Remote Bulb Control Continued Selection Charts Continued Replacement Parts CVR28A 617R Concealed adjustment cover CVR28A 618R Visible scale
59. D SERVICE System cleanliness Compressor handling mounting connection to o the system System pressure test Leak detection Vacuum pull down moisture removal Start up ACCESSORIES AND SPAREPARTS Rotolock accessories Crankcase heaters Acoustic hoods 3 phase soft start equipment Single phase PSC starting kits Single phase CSR starting kits amp starting kits in prewired box Kickstart kits Lubricants ORDERING INFORMATION AND PACKAGING Ordering information Packaging 2 MANEUROP RECIPROCATING COMPRESSORS Maneurop reciprocating compres sors from Danfoss Commercial Com pressors are specially designed for applications with a wide range of operating conditions All components are of high quality and precision in order to assure a long product life Maneurop MT and MTZ series com pressors are of the hermetic reciproca ting type and are designed for medium and high evaporating temperature applications The compressor design allows for the motor to be 100 suction gas cooled The positive benefits of internal motor protection high efficiency circular valve design and high torque motors provide for a quality installation The MT series is designed for use with the traditional R 22 refrigerant using Danfoss mineral oil 160P as lubricant The MT s
60. E MT80 VM MT80 4VM MT80 6VM MT80 9VM 5 MT81 4M Met VE MT81 3VM 81 4 Sv 100 100 4 MT100 6M MT100 7M MT100 9M VE MTI00 3VM 100 4 MTIO0 6VM MT100 7VM 100 9 US Sv MTI25 33M 125 4 125 6 125 7 VE MT125 30M MT125 AVM 125 6 125 7 Sv MTIA43M 144 4 MT144 9M VE 144 3 144 4 144 6 144 7 144 9 EE Sv MTI60 3M 160 4 MT160 6M MT160 9M VE MT160 3VM 160 4 MTI60 6VM 160 7 160 9 S Single compressor sight glass no equalization connection Sv Single compressor brazed oil sight glass no oil equalization connection VE_ Single compressor threaded oil sight glass 3 8 oil equalization connection 32 ORDERING INFORMATION AND PACKAGING MTZ compressors in industrial pack multiple packaging R 404A R 507A R 134a R 407C Code no Compressor Design 1 3 4 5 6 7 9 208 230 1 60 200 230 3 60 22 230 1 50 230 3 50 5252060 380 3 60 400 3 50 500 3 50 MTZO18 5 MTZ18 1M MTZ18 3M 218 4 MTZ18 5M VE MTZ18 1VM MTZ18 3VM MTZ18 4VM MTZ18 5VM MTZ18 6VM zm 5 2221
61. G open ERNAL check Measured voltage 2 25 I2 233 Compressor running amps L1 23 L2 Condenser fan running amps Fan 1 7 3 29 Pump running amps L1 7 9 2 Page 3 Start up instructions TROUBLE SHOOTING GUIDE SYMPTON CHECK ACTION Pump does not run l Check power Reset pump breaker Reset overload Pump runs but Compressor will not run 1 Check temperature 1 Lower temperature Low pressure reading On pressure gauge Setting 2 Check freeze stat setting 3 Check green reset on pressure control 4 Check flow switch 1 Pump rotation on 3ph 2 Air lock in piping 3 Adjustment of bypass valve control 2 Reset manual lockout 3 Clean condenser and verify condenser fan operation 4 Verify glycol level 1 Switch pump leads at breaker 2 Bleed air from high points of system 3 Turn bypass valve adjustment nut clockwise to increase pressure opposite to decrease Page 6
62. Handbook Start Capacitor Bleeder Resistors All standard Copeland start capacitors are supplied with bleed resistors securely attached and soldered to their terminals The use of capacitors without these resistors will result in sticking relay contacts and or erratic relay operation especially where short cycling is likely to occur This is due to the start capacitor discharging through the relay contacts as they close following a very short running cycle The resistor permits the capacitor charge to bleed down at a much faster rate preventing arcing and overheating of the relay contacts The use of capacitors supplied by Copeland is recommended In case of an emergency exchange 15 000 18 000 ohm two watt resistor should be soldered across the terminals of each start capacitor Care should be taken to prevent their shorting to the case or other nearby metallic objects If sticking contacts are encountered on any start relay the first item to check is the start capacitor resistor If damaged or not provided install a new resistor and clean or replace the relay A Start Capacitor Bleeder Resistors Modern high power factor low current single phase compressor motors which require start and run capacitors used with potential type relays can create electrical circuits which could cause starting relay damage resulting in compressor failure The high voltage stored in the start capacitor could discharge across the contacts of the
63. Increase it if the system data allows Rectify the stated faults Cut out pressure for KP 7 or KP 17 HP side does not match the scale value The fail safe system In the bellows ele ment Is activated If the deviations have been greater than 3 bar Replace the pressure control Differential spindle on single unit is bent and the unit does riot function Tumbler action failure arising from attempt to test wiring manually from righthand side of unit Replace unit and avoid manual test in any way other than that recommended by Danfoss High pressure control chatters Liquid filed bellows multifies the damp ing orifice in the inlet connection Install the pressure control so that liquid cannot collect in the bellows element see instruction inate cold air flow around the pressure control Cold air can create condensate in the bellows element Fit a damping orifice code no 060 1048 In the end of the control connection furthest away from the control Perlodic contact failure on computer controlled regulation with minimum voltage and current Transition resistance in contacts too high FiLKP with gold contacis Danfoss A S RC CMS MWA 03 2005 F25KG20 DKRCC PF COO A1 02 520H0353 n Fitters notes Pressure Controls For systems operating with low pressure on the evaporator side and where the pressure control must regulate
64. M MT22 3M 22 4 MT22 5M VE MT22 1VM MT223VM MT224VM MT225VM MT226VM 22 9 m 5 MT28 1M MT28 3M MT28 AM MT28 5M MT28 6M VE 28 1 2 MT28 4VM MT28 SVM 28 6 MT28 9VM FE 5 MT32 3M MT32 4M MT32 5M MT32 6M VE MT32 VM MT323VM MT324VM MT325VM 32 6 m s MT36 3M MT36 4M MT36 5M MT36 6M VE 361 136 3 MT36 4VM MT36 5SVM MT36 6VM MT36 9VM PI 5 MT40 1M MT40 3M MT40 4M MT40 6M VE MT40 VM MT403VM MT40 2VM MT40 6VM mm s MT44 1M MT44 3M 44 4 MT44 9M VE 44 1 MT44 3VM 44 4 44 6 44 7 144 9 5 MT45 4M MS VE MT45 3VM 45 4 MUSS 5 MT50 3M MT50 4M MT50 9M VE MTSO VM MTSO VM MTSO SVM 50 6 MTSOZVM 50 9 5 MT51 3M MT51 4M VE MTSI VM 51 4 5 MT56 3M MT56 AM MT56 7M MT56 9M VE MTS6 IVM MTISG3VM 156 4 MTS6 SVM 56 7 156 9 5 MT57 4M NIS VE MTS73VM 57 4 mm 5 MT64 3M MT64 AM MT64 9M VE 641 MT 4 amp 3VM MT64 4VM MT64 6VM MT64 9VM ues 5 MT65 3M MT65 AM VE MT65 AVM 65 4 mm 5 MT72 3M 72 4 MT72 9M VE MT723VM 72 4 72 6 72 9 PESE E MT73 3M MT73 4M VE MI73 3VM MI734VM mum s MT80 4M MT80 9M V
65. R 404A HFC MTZ Polyolester Polyolester oil 160PZ Medium temperature R 507A HFC MTZ Polyolester Polyolester oil 160PZ Medium temperature Transitional Alkylbenzene Alkylbenzene oil 160 ABM refrigerants MT ABM Note Initial mineral oil charge has Medium High temperature R 22 based to be replaced by 160 ABM oil Hydrocarbons Danfoss does not authorise the use of hydrocarbons in Maneurop MT MTZ compressors The Montreal protocol states that this document Maneurop MT com refrigerants such as R 12 and R 502 may however are suitable for use nolonger beappliedinnewinstallations with these refrigerants and can still be in the signatory members countries used as replacements in existing instal Therefore capacity and other data for lations these refrigerants are not published in R 22 R 22 is an HCFC refrigerant and is stilla Maneurop MT compressor is dedi wide use today It has a low ODP Ozone cated for R 22 and is supplied with an Depletion Potential andthereforeitwill initial mineral oil charge be phased out in the future Check local legislation Always use mineral white oil 160P with R 22 Refrigerant R 407C is an HFC refrigerant Always use Danfoss 160PZ polyolester R 407C with thermodynamic properties similar to those of R 22 R 407C has zero ozone depletion poten tial ODP 0 Many installers and OEMs consider R 407C to be the standard al ternative for R 22 R 407C is a zeotropic mixture and h
66. S ISSUED ARN 1 ARD CONFIDENTIAL FENISED 428 PP EEIT D 2E TONN T DABA EEE Dum Terie post orm ui Da uai leet 74 407 791 SEE GE MOTOR S ARTING FELAY 3ARR3 22 DATA ZALIERATDON LUES 43 BASED D COPPER CCLI 2165 08 av Cape JT EAH COIL 3 x CLASS BOGATINS 482 VCE AECIGHIZED 5535 90 VOE LICENSE Dt1479E 74 407791 SH MAXIMUM COIL 0172655 Si G SLP 23 4t 22 42 BPP 24 44 3ESN 80 CALTBRATION 230 3 330 112 12413 les 154 153 3 HIA 31 395 S gt 292 205 220 FAE 222 240 115 243 250 125 12 1 2411 239 5 gr 22 resists C M l 13 2 MOUNTING POSITIONS MOTA STAH INS RELAY 34H53 22 CATA 74 407791 Ii 6802 GATLO gt eR SECC Ayo ECE wee FhEuuENCY menre
67. SCO PC 004 A3 22 Replace GA 035 03 03 US Produced by Danfoss USCO mks 03 2007 08 29 2012 Hey Dave I finished the Preventive Maintenance clean up of your refrigeration unit control panel last night Everything seems to be in good condition with the exception of the A Condensing Unit Compressor that you are already aware of affixed all of the pertinent electrical information that found online to the inside cover of the new Capacitor Cabinet that installed also printed out the entire Danfoss Maneurop Service Manual that found online and left that with the unit combined all of the previous service records that you had with your documentation and highlighted all the corresponding part numbers that pertain to your particular units to save time for any future service that may be required This was an interesting job the kind I thrive on There were many issues with the previous set up which is usually the case with a lot of equipment that suffers chronic failures The number one issue was improper selection of the Start and Run Capacitors as well as the potential relays Hard Start kits The capacitor micro farad ratings and voltage ratings were too low for this equipment Most service guys like to carry one size fits all spare parts on their service trucks which is fine in most cases The problem here is that the kits they provided were supposed to be good for up to 5 H P Compressors maximum The units you have are actually rate
68. Z028 code 1 Multipack 4 CSR 7701155 CSR starting kit 25 uF 20 uF 98 uF MT MTZ032 036 code 1 Multipack 4 CSR 7701156 CSR starting kit 35 pF 20 pF 98 pF 2040 code 1 Multipack 4 CSR 7701042 CSR starting kit 30 uF 15 uF 140 uF MT MTZ044 051 code 1 Multipack 6 CSR 7701043 CSR starting kit 30 pF 20 98 uF 98 uF MT MTZO56 code 1 Multipack 6 CSR 7701044 CSR starting kit 30 25 uF 98 uF 140 uF 2064 code 1 Multipack 6 CSR 7701028 CSR starting kit prewired box 20 uF 10 pF 98 uF 2018 028 code 5 Single pack 1 CSR 7701054 CSR starting kit prewired box 25 pF 10 uF 98 MT MTZ032 036 code 5 Single pack 1 CSR 7701147 CSR starting kit prewired box 15 uF 30 pF 98 uF MT MTZ022 code 1 Single pack 1 CSR 7701148 CSR starting kit prewired box 25 uF 25 uF 140 uF 2028 code 1 Single pack 1 CSR 7701149 CSR starting kit prewired box 25 uF 20 uF 98 uF MT MTZ032 036 code 1 Single pack 1 CSR 7701150 CSR starting kit prewired box 35 uF 20 uF 98 uF 2040 code 1 Single pack 1 CSR 7701049 CSR starting kit prewired box 30 uF 15 pF 140 uF MT MTZ044 050 code 1 Single pack 1 Kickstart kits Type Codeno Description Application Packaging Pack size 7701060 Kickstart kit relay start capacitor 227 MT MTZO018 code 1 amp 5 Single pack 7701059 Kickstart kit relay start capacitor 280 2022 064 code 1 amp 5 excl050 5 Single pack 1 Lubricants Typ
69. aked on at 450 degrees F for a minimum of 4 hours Unit includes an embossed aluminum skin with aluminum louvers for condenser air outlet Unit is factory charged with refrigerant R 22 and run tested prior to shipment The entire assembly shall be ETL listed CONDENSER AIR COOLED Copper tube aluminum fins condenser coil Direct drive propeller type with DDP motors with built in overload protection Design test pressure is 150 PSIG low side 300 high side EVAPORATOR Shell and tube evaporator Thermostatic expansion valve Thermometers for return and leaving water temperatures k CIRCULATING PUMP End suction centrifugal pump with lexan impellers Base mounted Pump fitted with union check valve and supply and return shut off valves for service RESEVOIR TANK Constructed of molded seamless high density cross linked polyethylene Non corrosive Insulated with 4 closed cell black foam insulation SUPPLY amp RETURN PIPING waty Constructed of type L copper Ball valves provided for field connection of supply and return piping Discharge pressure gauge for setting discharge pressure FLUID DYNAMIC BYPASS Exclusive design valve allows balancing of discharge pressure Over pressure design allows circuiting back to tank without damage to system or pump L copper piping Page 1 COMPRESSOR Hermetic Maneurop compressor with oil level sight glass and rotalock service valves Crankcase heater Dual pressure co
70. an limit the amount of liquid refrigerant in the compressor and have a positive effect on the compressor service life Liquid refrigerant can enter a com pressor in different ways with different effects on the compressor in the crankcase decreases rapidly At lower pressures the oil holds less re frigerant and as a result part of the refri gerant will violently evaporate from the oil causing the oil to foam This process is often called boiling The negative effects on the compressor from migration are oil dilution by liquid refrigerant foam transported by refrigerant gas and discharged into the system causing loss of oil and in extreme situations risk of oil slugging in extreme situations with high system refrigerant charge liquid slugging could occur liquid entering the compressor cylinders evaporator fan failure or blocked air filters In these situations liquid refrigerant will continuously enter the compressor The negative effects from continuous liquid floodback are permanent oil dilution in extreme situations with high system refrigerant charge and large amounts of floodback liquid slugging could occur oil dilution in extreme situations with high system refrigerant charge and large amounts of floodback liquid slugging could occur liquid has a different composition than the vapor This new refrigerant composition may result in different compressor operating pressures and temp
71. apacitance of the start capacitor and capacitor voltage and current Alternating Relay ARP Series Motor Duplexor m Provides Equal Run Time for Two Motors m Alternating or Electrically Locked Operation m Low Profile Selection Switch m 10 A Relay Contacts m LED Status Indication m Industry Standard Base Connection Approvals A Gh Accessories Panel mount kit P N 21 Hold down clips P Ns PSC8 NDS 8 PSC11 NDS 11 11 pin socket P N NDS 11 Octal 8 pin socket P N NDS 8 DIN rail P Ns 10 A See accessory pages for specifications 9 16 Description The ARP Series is used in systems where equal run time for two motors is desirable The selector switch allows selection of alternation or either load for continuous operation LED s indicate the status of the output relay This versatile series may be front panel mounted BZ1 accessory required or 35 mm DIN rail mounted with an accessory socket Operation Alternating When the rotary switch is in the alternate position alternating operation of Load A and Load occurs upon the opening of the control switch S1 To terminate alternating operation and cause only the selected load to operate rotate the switch to position A to lock Load A or position B to lock Load B The LEDs indicate the status of the internal relay and which load is selected to operate Note Input voltage must be applied at all times f
72. as a temperature glide of about 11 K For more specific informa tion about zeotropic refrigerants refer to section Zeotropic refrigerant mix tures R 407C must be charged in the liquid phase oil with Maneurop MTZ compressors which is supplied with the MTZ com pressor for R 407C applications Maneurop MT compressors should ne ver be used with R 407C even when the mineral oil is replaced with polyolester oil REFRIGERANTS AND LUBRICANTS R 134a R 404A R 507A R 22 based transitional refrigerants Hydrocarbons Refrigerant R 134a is an HFC refrige rant with thermodynamic properties comparable to those of the CFC refri gerant R 12 R 134a has zero ozone depletion potential ODP 0 and is commonly accepted as the best R 12 alternative For applications with high evaporating and high conden sing temperatures R 134a is the ideal Refrigerant R 404A is an HFC refrigerant with thermodynamic properties com parable to those of the CFC refrigerant R 502 R 404A has zero ozone depletion potential ODP 0 and is commonly accepted as one of the best R 502 alter natives R 404A is especially suitable for low evaporating temperature applica tions but it can also be used with me dium evaporating temperature appli cations R 404A is a mixture with a very small temperature glide therefore must be charged in its liquid phase but for most other aspects this small glide can be ignored Because of the s
73. ation by means of providing addi tional internal free volume to the low pressure side of the system The suction accumulator must be selec ted in accordance with the accumulator oil sump to ensure good heat transfer to the oil Belt crankcase heaters are not self re gulating Control must be applied to energize the belt heater once the com pressor has been stopped and then to de energize it while the compressor is running The belt heater must be energized 12 hours before restarting the compressor following an extended down period If the crankcase heater is not able to maintain the oil temperature 18 F above the saturated LP temperature of the refrigerant during off cycles or if re peated floodback is occuring a pump down cycle using an LLSV is required In such cases a suction accumulator is recommended a pumpdown cycle the quantity of re frigerant in the low pressure side of the system will be reduced A pump down cycle design is also re quired when evaporators are fitted with electric defrost heaters manufacturer s recommendations As a general rule Danfoss recommends si zing the accumulator for at least 50 of the total system charge Tests however must be conducted to determine the optimal size A suction accumulator must not be used in systems with zeotropic refrige rant mixtures 23 SOUND AND VIBRATION MANAGEMENT Sound Sound power level for MTZ with R 404A motor code 4 T
74. ational Electrical Code and local regulations Use copper conductors only Shielded cable is not required Checkout Procedure 1 Before applying power make sure installation and wiring connections are correct 2 Apply power to the control and observe one or more cycles of operation 3 If performance indicates a problem check sensor resistance to determine if sensor or control is at fault 4 To check sensor resistance disconnect sensor and measure the resistance across the leads while measuring temperature at the sensor SENSOR SENSOR 4 Sensors wired in series parallel for temperature averaging SENSOR SENSOR Figure 9 Replacement Sensor Order Part No 1309007 044 SPECIFICATIONS The 1309007 044 sensor is a negative temperature coefficient NTC thermistor sensor The sensor resistance decreases with temperature increase It is 25 1 94 long with 8 feet 22 AWG cable The termistor has a reference resistance of 30 000 ohms at 77 F 25 C FON IMPORTANT The schematic drawings and other information included in these instructions are for the purpose of illustration and general reference only Ranco assumes no responsiblity for any unconventional application of this control unless such application has been approved Figure 10 Resistance vs Temperature of 1309007 044 Sensor including 8 foot cable RANGO 8115 U S Rt 42 Plain City Oh 43064 An Invensys Company
75. c com www ssac com ARPO2BO 09 10 108z0dHv orso Alternating Relay On fg yy ARP Series Motor Duplexor Technical Data Input Voltage 24 120 or 230 V AC Tolerance 24V AC 15 20 120 amp 230 V AC 20 10 Line Frequency 50 60 Hz Output Type Electromechanical relay Form SPDT or DPDT or cross wired DPDT Rating 10 A resistive at 120 240 V AC amp 28 V DC 1 3 hp at 120 240 V AC Maximum Voltage 250 V AC Life Mechanical 1 x 107 Electrical 1 x 10 Protection Isolation Voltage 2 1500 V RMS input to output Mechanical Mounting Plug in socket Package 3 2 x 2 39 x 1 78 in 81 3 x 60 7 x 45 2 mm Termination 8 Pin octal or 11 Pin magnal Environmental Operating Temperature 20 C 60 C Storage Temperature 30 C 85 C Weight 5 6 oz 159 9 Mechanical View 2 39 e 60 7 te US e gt 1 lt 2 91 73 9 I 3 20 81 3 Inches Millimeters 9 17 SSAC LLC 800 377 7722 customerservice ssac com technicalsupport ssac com www ssac com denotes a preferred product Form No 7515004 001 Rev ETC TWO STAGE ELECTRONIC TEMPERATURE CONTROL PRODUCT DESCRIPTION The Ranco ETC is a microprocessor based family of electronic temperature controls designed to provide on off control for commercial heating cool ing air conditioning and refrigeration The ETC is equipped with a liquid crystal display LCD
76. ce to prevent com pressor cycling around the high pressu re limit When a discharge valve is used the HP switch must be connected to the service valve gauge port which cannot be isolated 20 SYSTEM DESIGN RECOMMENDATIONS Low pressure A low pressure safety switch is recom mended to avoid compressor operation attoo lower suction pressures MT MTZ MTZ MTZ R 22 R 407C R 134a R 404A R 507A Test pressure low side psig 360 360 360 360 Working pressure range high side psig 158 402 181 426 115 328 191 402 Working pressure range low side psig 15 102 20 96 9 68 15 104 Relief valve opening pressure difference psig 435 435 435 435 Relief valve closing pressure difference psig 115 115 115 115 Low ambient temperature operation Operating voltage and cycle rate Operating voltage range Cycle rate limit At low ambient temperatures the condensing temperature and conden sing pressure in air cooled condensers will decrease These lower pressures may be insufficient to supply enough liquid refrigerant to the evaporator As a result the evaporator temperature will sharply decrease with risk of frosting At compressor start up the compressor can pull a deep vacuum and it can be cut off by low pressure protection De pending on the low pressure switch set ting and delay timer short cycling can occur To avoid these problems several solutions are po
77. cing Is being carried out The pressure control can then automatically restart Remember the original reset function must be set after servicing The pressure control can be protected against being set on automatic reset Simply remove the washer controlling the reset function Ifthe unit is to be protected against tampering the washer can be sealed with red lacquer 002 LP HP 2 Low pressure Manual reset Automatic reset Automatic reset Manual reset High pressure Manual reset Manual reset Automatic reset Automatic reset Factory setting 0 0021 A E5AG207 DKRCC PF COO A1 02 520HO353 2 Danfoss A S RC CMS MWA 03 2005 Fitters notes Pressure Controls Setting KP pressure controls can be preset using a com pressed air cylinder Ensure that the change over contacts are correctly connected for the required function Low pressure control Set the start pressure CUI IN on the range scale A Then set the differential on the differential scale Stop pressure CUT IN minus DIFF High pressure control Set the stop pressure CUTOUT on the range scale A The set the differential on the differential scale Start pressure CUT OUT minus DIFF Remember The scales are indicative only Example with four compressors in parallel R502 Medium ice cream at 25 C D 0 5 bar Ap suctio
78. closed The freeze stat is set at 100F and is in the tripped position ae Tighten all electrical connections Z uv Turn on compressor breaker ONLY to energize crankcase heaters Heaters should be on no less than 4 hours before opening service valves Heaters on minimum of four hours i yes Gu reqe Fr SLE MHP Se ie GLYCOL MIXTURE CHECK Refer to chart on panel door and verify of glycol needed Allow for lowest ambient outdoor temperature and operating temperature desired WE RECOMMEND AT LEAST 35 Verify use of inhibited propylene glycol Ayes Specify method used for measurement Hydrometer specific gravity bricks Measurement 7 Z oratio method mixed Fill resevoir to 1 3 to full with glycol water mixture XN JE 4 Turn on pump verify rotation on three phase pumps verified d e Frise Record pump running amps below Cg yes With pump running and glycol supply amp return valves closed record pressure gauge reading ZO psi Open refrigerant service valves Set freeze stat to 10 and press manual reset v yes Ab F setting Set temperature setting to desired set point yes ____F setting Note Stat differential is factory set at 5 degrees DO NOT CHANGE Compressor should energize Fan pressure controls are factory set at 1 on at 230 2 on at 275 Note When condenser fans cycle momentary flashing in sight glass is normal UN RECORD THE FOLLOWING DURIN
79. d at 5 There s way they could have known that without the service manual in hand The other issue was the lack of the Bleed Down Resistors across the Start Capacitors Terminals The contacts will actually blow on the potential relays under certain conditions It won t happen every time but if the equipment shuts down with the capacitor charged at more than 6096 it can fry the relays contacts The Potential Relays that were being used did not correspond with the required specifications for your equipment either would stick with the original equipment The MARS Replacements you had on hand did not have high enough Continuous Coil Voltage Ratings They were rated at 300 and some volts whereas the original equipment s ratings were something like 532 volts Big difference Take all of these issues into account and add in a compressor that s electric coils are breaking down and you re sure to get just what you got chronic equipment failures sorted through all of your spare parts and put them back into the cardboard box Get rid of them You cant use them on this equipment left 3 new start capacitors 4 new run capacitors and 1 potential relay as spares plus the 2 start and 2 run capacitors that installed You should get a couple more of the potential relays to have on hand just in case you need them Try eBay they re a lot cheaper but make sure they are new lost your phone number again so give me a call and III let ya k
80. d phase Flooded eva porators and suction accumulators should not be applied in systems with zeotropic refrigerants This also applies to near azeotropic mixtures pond more or less with the average temperature during the evaporating and condensing process For the same R 407C cycle mean point tempe ratures are typically about 3 5 F to 5 5 F lower than dew point tempe ratures accordance with ASER COM recommendations Danfoss Commercial Compressors uses dew point temperatures for selection tables application envelopes etc To obtain exact capacity data at mean point temperatures the mean point temperatures must be converted to dew point temperatures using refri gerant data tables from the refrigerant manufacturer pressure log enthalpy OUTLINE DRAWINGS 1 cylinder Terminal box Oil sight glas Spade connectors VE models only 1 4 Ground MA Knock out 0 83 IP rating 55 with cable gland 0886 Models with motor 3 4 6 789 with rounded off top ES i Oil equalization models only p LP E gauge ot Schrader i F 5 E 7 2 Silent block 5 bolt H M8 4C 8 8 E E 1 DET te B 1 IN NL 16 3 3 1 1 345 0 218 22 3 4
81. designed and qualified for stationary equipment used in A C and refrigeration applications Danfoss does not warrant these com pressors for use in mobile applications such as trucks railways subways etc 25 INSTALLATION AND SERVICE System cleanliness Compressor handling mounting and connection to the system Compressor handling Compressor mounting Compressor connection to the system System contamination is one of the main factors affecting equipment relia bility and compressor service life It is therefore important to ensure sys tem cleanliness when constructing a re frigeration system During the building process system contamination can be caused by Brazing and welding oxides Filings and particles from removing burrs from pipe work Brazing flux Moisture and air Only use clean and dehydrated refri geration grade copper tubes and silver alloy brazing material Clean all parts before brazing and always purge nitro Maneurop MT and MTZ compressors are provided with a lifting lug This lug should always be used to lift the com pressor Once the compressor is instal led the compressor lifting lug should Mount the compressor on a horizontal plane with a maximum slope of 3 All MT and MTZ compressors are supplied with three or four rubber mounting grommets each complete with metal sleeves nuts and bolts Refer to the outline drawings on page 18 to 21 gen or CO th
82. e 800 365 5525 visit us at www icmcontrols com Made in USA Line Voltage 80 300 La Coil Voltage Contactor Motor Control Voltage 2n E 18 240 VAC Not necessary but recommended 1 amp fuse Optional thermostat pressure switch etc System Diagram Line t Voltage Contactor gt ontrol Transformer er Coil X Voltage A Compressor 0 thermostat Not necessary but recommended 1 amp fuse Optional Ic lt Vo Itage appl ication Motor Code Nominal voltage Voltage application range range 208 230 V 1 ph 60 Hz 187 253V 1 400 V 3 ph 50 Hz 360 440V 460V 3 ph 60 Hz 414 506V 230V 1 ph 50 Hz 207 253V 230V 3ph 50Hz 207 253V 500V 3 ph 50Hz 450 550V 575V 3ph 60Hz 517 632V a 380V 3 ph 60Hz 342 418V The Danfoss product range for the refrigeration and air conditioning industry Appliance Controls General temperature controls for the home appliance industry The product range comprises CFC free electromechanical and electronic thermostats for refrigerators and freezers produced to customer specifications as well as service thermostats for all refrigeration and freezing appliances Commercial Compressors Large hermetic reciprocating and scroll com pressor technologies for commercial air conditioning and refrigeration The compressors and c
83. e Codeno Description Application Packaging Pack size 160PZ 7754019 POE lubricant 160PZ 33 8 oz can MTZ with R 404A R 507A R 134a Multipack 12 160PZ 7754020 POE lubricant 160PZ 67 6 oz MTZ with R 404A R 507A R 134a Multipack 8 160P 7754001 Mineral oil 160P 67 6 oz can MT or LT with R 22 or R 502 Multipack 8 160P 7754002 Mineral oil 160P 169 oz can MT or LT with R 22 or R 502 Multipack 4 160ABM 7754009 Alkylbenzene oil 160ABM 67 6 oz can MT or LT with transitional refrigerants Multipack 8 31 ORDERING INFORMATION AND PACKAGING Ordering information Maneurop amp MTZ reciprocating compressors can be ordered from Dan foss Commercial Compressors in either industrial packs also called multiple packaging or in single packs also cal led individual packaging MT compressors in industrial pack multiple packaging The code numbers ending in M in the tables represent compressors in in dustrial pack For ordering single units please replace the last letter M by let ter R 22 Code no Design 1 3 4 5 6 7 9 208 230 1 60 200 230 3 60 260300 230 1 50 230 3 50 EE 380 3 60 MOIS s MT18 3M MT18 AM MT18 5M VE 8 1 Mri amp 3VM 18 4 18 5 5 MT22 1
84. e 14 F TC 113 F Sound data with hood are valid for the Danfoss acoustic hood accessory Running compressors cause sound and vibration These phenomena are closely related Sound produced by a compressor is transmitted in every direction in all me dia ambient air the mounting feet the pipework and the refrigerant in the pi pework The easiest way to reduce the sound transmitted in ambient air is to fit a Dan foss acoustic hood accessory Because Maneurop compressors are 100 suc tion gas cooled and require no body cooling they can be insulated Values for the sound reduction achieved with acoustic hoods are shown also in the table below For compressors mounted inside sound insulation of the plantrom is an alternative to sound insulation of the compressor Sound transmitted by mounting feet pipework and refrigerant should be re duced in the same way as vibration Please refer to the next section Sound power level at 50 Hz Sound power level at 60 Hz dB A dB A without with without with hood hood hood hood MTZ018 73 65 75 66 MTZ022 74 68 77 71 MTZ028 71 64 73 66 MTZ032 71 64 73 66 MTZ036 70 64 76 69 MTZ040 70 65 72 67 MTZ044 80 74 82 76 2045 80 74 82 76 2050 83 76 84 78 2051 83 76 84 78 2056 81 74 81 74 2057 81 74 81 74 MTZ064 80 74 84 78 2065 80 74 84 78 2072 79
85. e applied and foreign objects against harmful dust deposits First numeral level of protection against contact 5 Complete protection against contact and Second numeral level of protection against water 4 Protection against water splashing from any direction 5 Protection against jets of water from any direction 5 16 REFRIGERANTS AND LUBRICANTS General information When choosing a refrigerant various factors must be taken into considera tion Legislation now and in the future Safety Application envelope in relation to ex pected running conditions Compressor capacity and efficiency Compressor manufacturer recommen dations amp guidelines Additional points could influence the final choice Environmental considerations Standardization of refrigerants and lu bricants Refrigerant cost Refrigerant availability The table below gives an overview of the different refrigerant lubri cant compressor combinations for Maneurop MT amp MTZ compressors Compressor Lubricant Refrigerant Type Danfoss lubricant Application ig yp type type ppl R 22 HCFC MT Mineral White oil 160 Medium High temperature R 407C HFC MTZ Polyolester Polyolester 160PZ Medium High temperature R 134a HFC MTZ Polyolester Polyolester 160PZ Medium High temperature
86. e on the digital display When line voltage is appropriate the ICM492 will close COM and N O relay contacts When incoming line voltage Type dry relay contacts Form SPDT Relay Contact Ratings Contacts 10A resistive 277 VAC Contacts 10A resistive 277 VAC Connection Terminals 0 25 male fast on is outside of the user selected parameters the ICM492 Mechanical will close COM and relay contacts and indicate Case Dimensions 3 L x 3 2 W x 1 35 H fault condition by flashing FAULT on display The SELECT Unit Weight 0 36 lbs menu has the following user adjustable settings voltage Setpoint time delay over voltage under voltage control Environmental mode and response time Time delay prevents system short cycling caused by transient faults and rapid power interruptions The response time on the fault condition can be adjusted to help reduce nuisance trips from transient faults When Control Mode setting is selected ON the ICM492 will close COM and N O relay contacts only when control voltage is present at Control Voltage terminals The relay contacts can be used to direct drive the load as long as current rating is not exceeded Operating temperature range 40 C to 75 C Storage temperature range 40 to 85 C Maximum Operating Storage Relative Humidity 95 non condensing LiS203 All features and specifications subject to change without notice Application Assistanc
87. ensions weight Static Nbr Dimensions weight Static in in stacking in stacking Ib Ib Ib 1 cylinder 2018 46 313 615 MT MTZ022 46 313 615 2028 E130 51 k394 333 147 2 650 w 11 6 6 w 23 6 4 12 w 31 5 4 MT MTZ032 h 152 53 h 20 0 348 h 197 672 MT MTZ036 55 362 710 MT MTZ040 57 370 725 2 cylinders 2044 050 77 500 648 2045 051 82 527 675 2056 064 82 527 147 2 675 6 4 6 w 31 5 4 2057 065 86 560 h 217 734 2072 080 88 567 754 2073 081 90 578 765 4 cylinders MT MTZ100 132 877 855 MT MTZ125 E 19 1 141 E472 912 147 2 891 15 6 6 39 4 4 6 w 31 5 4 MT MTZ144 h 23 6 148 h 28 7 948 25 6 926 MT MTZ160 152 979 957 Single pack One compressor in a cardboard box In some publications this packaging may be indicated as individual packaging Multipack A full pallet of compressors each individually packed in a cardboard box Mainly available for to wholesalers and Danfoss distribution centers Industrial pack A full pallet of unpacked compressors Mainly available for to OEM customers In some publications this packaging may be indicated as Multiple packaging Nbr Number of compressor in a pack 34 Ht The Danfoss product range for the refrigeration and air conditioning industry Danfoss Refrigeration amp Air Conditioning is focus on our core business of making a worldwide manufacturer with a leading quality products components and systems position in
88. er and replace Correct and replace Same as item 11 above Replace and rewire according to compressor manufacturers wiring diagram Correct and replace Suction line and compressor frost be expected in low temp systems IPRV open 50 psi Ap closes at 120 psi Ap Form No 7515004 001 Rev A IC TWO STAGE ELECTRONIC TEMPERATURE CONTROL PRODUCT DESCRIPTION The Ranco ETC is amicroprocessor based family w coma amps 98A 49A of electronic temperature controls designed to Locked rotor amps 58 8 A 294 provide or offcontrolforcommercialheating cool Resistive amps 98A 49A ing air conditioning and refrigeration The ETC is Horsepower 1 2 hp 1 2 hp equipped with a liquid crystal display LCD that provides constant readout of the sensed tem perature and a touch keypad that allows the user to easily and accurately select the set point tem e zy perature differential and heating cooling mode of Farc es 5 H i the operation Models are available that operate Horsepower 1 4 hp 1 4 hp on either line voltage 120 208 240 VAC or low voltage 24VAC APPLICATIONS With its wide temperature Setpoint range and selectable heating or cooling modes the ETC can be used for a wide variety of ations including multiple C ressor control two stage heating ventilation control automatic changeover condenser fan cycling space and return air temperature c
89. eratures 22 WMtaneurop SYSTEM DESIGN RECOMMENDATIONS Crankcase heater Liquid line solenoid valve amp pump down Suction accumulator A crankcase heater protects against the off cycle migration of refrigerant and proves effective if oil temperature is maintained 18 F above the satura ted LP temperature of the refrigerant Tests must be conducted therefore to ensure that the appropriate oil tempe rature is maintained under all ambient conditions A PTC crankcase heater is recommended on all stand alone com pressors and split systems PTC crank case heaters are self regulating Under extreme conditions such as very low ambient temperature a belt type crankcase heater could be used in addi tion to the PTC heater although this is not a preferred solution for 1 and 2 cy linder compressors The belt crankcase heater must be positioned on the com pressor shell as close as possible to the In refrigeration applications a Liquid Line Solenoid Valve LLSV is highly re commended During the off cycle the LLSV isolates the liquid charge in the condenser side thus preventing refri gerant transfer or excessive migration of refrigerant into the compressor Fur thermore when using an LLSV in with A suction accumulator offers considera ble protection against refrigerant floo dback at start up during operation or after the defrost operation This device also helps to protect against off cycle migr
90. eries can also be applied with several R 22 based refrigerant blends substitute refrigerants using 160 ABM alkylbenzene as lubricant The MTZ se ries is specifically designed for use with the HFC refrigerants R 407C R 134a R 404A and R 507A using 160PZ polyes ter oil as lubricant MTZ compressors can be used in new installations and also to replace Maneu MTE compressors in existing instal lations MT and MTZ compressors have a lar ge internal free volume that protects against the risk of liquid hammering when liquid refrigerant enters the com pressor MT and MTZ compressors are fully suc tion gas cooled This means that no ad ditional compressor cooling is required and allows the compressors to be in sulated with acoustic jackets to obtain lower sound levels without the risk of the compressor overheating MT and MTZ compressors are availa ble in 26 different models with displa cement ranging from 231 to 4142 cfh Seven different motor voltage ranges are available for single and three phase power supplies at 50 and 60 Hz Most Compressors exist in two versions standard version VE version oil equalization oil sight glass COMPRESSOR MODEL DESIGNATION Code numbers for ordering MT 7 64 4 V Compressor Packaging type type I Single pack M Industrial pack see page 32 33 34 Polyolester oil Oil equalization port and threaded sight glass Mo
91. es El Appears when either the or down key is pressed when notin the programming mode To correct If the E1 message appears even when no keys are being pressed replace the control E2 Appears if the control settings are not properly stored in memory To correct Check all settings and correct if necessary Appears when the probe is open shorted or sensing a temperature that is out of range To correct Check to see if the sensed temperature is out of range It not check for probe damage by comparing it to a known ambient temperature between 30 and 220 Replace the probe if necessary Appears if the EEPROM data has been corrupted To correct This condition cannot be field repaired Replace the control Appears if calibration mode has been entered To correct Remove power to the control for at least five seconds Reapply power If the CL message still appears replace the control INSTALLATION INSTRUCTIONS IMPORTANT 1 series controls are designed as operating controls only If an operating control failure could result in personal injury or loss of property a separate safety control and or alarm should be installed 2 The schematic drawings and other information included in these installation instructions are for the purpose of illustration and general reference only 3 These instructions do not expand reduce modify or alter the Ranco Terms in any way and no warranty or remedy in favor of the c
92. fice Johnson Controls Inc shall not be liable for damages resulting from misapplication or misuse of its products 2009 Johnson Controls Inc www johnsoncontrols com 2 of 2 MAKING MODERN LIVING POSSIBLE Mtaneurop RECIPROCATING COMPRESSORS Maneurop reciprocating compressors MT MTZ 50 60 Hz R 22 R 407C R 134a R 404A R 507A REFRIGERATION amp AIR CONDITIONING DIVISION CONTENTS MANEUROP RECIPROCATING COMPRESSORS COMPRESSOR MODEL DESIGNATION Code numbers Compressor reference Versions 2 SPECIFICATIONS Technical specifications Approvals amp certificates Nominal performance for R 404A and R 22 Nominal performance for R 407C and R 134a OPERATING ENVELOPES OUTLINE DRAWINGS 1 cylinder 2 cylinders 4 cylinders ELECTRICAL CONNECTIONS AND WIRING Single phase electrical characteristics Nominal capacitor values and relays Trickle circuit PSC wiring CSR wiring Suggested wiring diagrams Three phase electrical characteristics Motor protection and wiring diagrams Soft starters Voltage application range rating REFRIGERANTS AND LUBRICANTS _ General information SYSTEM DESIGN RECOMMENDATIONS Piping design Operating limits Operating voltage amp cycle rate Liquid refrigerant control amp charge limits SOUND AND VIBRATION MANAGEMENT Sound s Vibration INSTALLATION AN
93. g the compressors The way this unit is set up and being used DOES NOT allow for this to happen This is especially important during colder months because it allow the crank case oil to become thicker less viscous which in turns makes it harder for the compressor to start It can be catastrophic to the compressor if the pump down solenoid valve fails in an valved situation The liquid refrigerant can migrate to the unheated hermetically sealed compressor which loads it up with the uncompressible liquid and when the unit cycles on BLOWN COM PERESSOR 9 Too much refrigerant in the compressor 10 Should have been an interlocking device delay timer added to the stage 2 pump down switch added by Van Ernst Refrigeration on 10 03 03 according to their service tag because of the possibility of too large of a voltage drop when both compressors kick on at the same time This will happen every time the ambient outdoor temperature is higher than the stage 2 set point temperature i e when the units are first turned on in warmer weather 40 degrees F per my newly programmed settings on the ETC Electronic Temperature Switch The voltage drop issue is an inherent problem with rural electrical systems that serve several loads over a large section of land isuch as farm yard Things required for a Fool Proof Operation a Add separate circuit breaker for the crank case heaters and leave on continuously 24 7 365 b Add time delay re
94. ication 3600 3600 3200 3200 2800 2800 PK MAX A NUM a e400 2400 ini Y j 2000 I RUNNING Fi Ess STARTING TORQUE 2000 1600 2 2 Esr RUNNING 1200 1600 o 800 5 1200 STARTING g m TORQUE MIN DROPOUT ALLOWABLE 0 800 TORQUE LB TYPICAL CAPACITOR START MOTOR 400 NOMINAL SUPPLY VOLTAGE TWO POLE 60 Hz FIG 4 0 T T 200 400 VOLTS START WINDING START WINDING VOLTAGE VS MOTOR SPEED TYPICAL CAPACITOR START MOTOR NOM MIN MAX SUPPLY VOLTAGE TWO POLE 60 Hz MOTOR FIG 3 NOTE FOR A TWO POLE 50 Hz MOTOR SYNCHRONOUS SPEED IS 3000 RPM From the specified motor data GE Application Data Work Sheets Appendix and Coil Group Calibration Tables 74 407791 Appendix are used to select the proper coil group and calibration for either 60 or 50 Hz applications Appropriate suffix numbers and letters are identified and made part of the full model number To make a good application the curves should exhibit a significant change in start winding voltage with a change in speed If the curves are unusually straight itis difficult to make a good application Since the relay responds to changes in voltage a significant difference in voltage is required for a specific change in speed However excessive
95. id changes during the phase transition When the effect of this phase transition is very small the mix ture is often called a near azeotropic mixture R 404A is such a near azeotro pic mixture In parts of the system where both vapor and liquid phase are present evapora tor condenser liquid receiver the pha ses do not have the same composition In fact both phases form two different refrigerants Therefore zeotropic refri gerants need some special attention During the evaporating process and the condensing process at constant pressu re the refrigerant temperature will de crease in the condenser and rise in the evaporator Therefore when speaking about evaporating and condensing temperatures it is important to indicate whether the temperature under discus sion is a dew point temperature or a mean point value In the figure below the dotted lines are lines of constant temperature They do not correspond to the lines of constant pressure Points A and B are dew point values on the saturated vapor line Points C and D are mean point values These are temperatures that corres An azeotropic mixture on the other hand like R 502 or R 507A behaves like a pure refrigerant During a phase transition from vapor to liquid or from liquid to vapor the composition of va por and liquid stays the same The composition change causes phase shift and temperature glide Zeotropic refrigerants must always be charged in liqui
96. ier flow left to right top to bottom point to point troubleshooting gt a B Maintenance Log for Hunt Country Vinyards 5x5 Chiller Unit Repairman al a cof af af mt sf of of a of a aw t wu al al nt nt nf NN NP e my mt m m Changes Alterations Repairs Description Maintenance Log for Hunt Country Vinyards 5x5 Chiller Unit ddendum Changes Alterations Repairs Description Company Repairman Maintenance Log for Hunt Country Vinyards 5x5 Chiller Unit 1 Repairman gt ddendum Changes Alterations Repairs Description 54 55 56 5 5 59 5 7 Set Point 21 Deg F Differential 4 Deg F Set Point 40 Deg F Differential 4 Deg F Buy SmartDraw purchased copies print this document without a watermark Electrical Flow Chart of G amp D 5x5 Chiller ViN eya Pass 3729 240 VAC Single Phase L CES Circuit Breaker 4 Proposed Circuit Breaker 1 Compressor B Compressor A Hotmail Print Message http bl169w blu169 mail live com mail PrintMessages aspx cpi Hunt Vineyards Condensing Unit Parts Required Fro
97. il level in the compressor keeps decreasing the oil return in the installation is insufficient Refer also to section Piping design In installations where slow oil return is likely such as in multiple evaporator or multiple condenser installations an oil separator is recommended Refer to the table on page 17 to select the correct oil 54 F Higher values can be accepted but in these cases tests have to be perfor med to check that the maximum dis charge temperature of 265 F will not be exceeded Note that high superheat values decrease the compressor ap plication envelope and system perfor mance 29 ACCESSORIES AND SPAREPARTS The tables below showan extract of the available accessories and spare parts sors For an exhaustive list please refer to Accessories amp Spare parts catalogue Rotolock accessories for Maneurop reciprocating compres ref FRCC EK 002 A1 02 Type Codeno Description Application Packaging Pack size vo6 vo1 7703004 Valve set V06 1 1 2 1 3 8 MT MTZ018 028 exept 028 code 1 Multipack 4 V09 Vo6 7703005 Valve set VO9 1 1 4 5 8 V06 1 1 2 MT MTZ032 040 amp 028 code Multipack 4 V07 Vo4 7703006 Valve set 07 1 3 4 7 8 V04 1 1 4 3 4 MT MTZ044 072 Multipack 6 V02 Vo4 7703009
98. inciples of pressure and temperature measurement electrical power and fluid control Products include a wide range of automatic controls for process control and regulation such as contactors and motor starters electrically pneumatically and temperature activated valves as well as temperature and pressure transmitters and switches accep co espero passe rcr caius an Bro in cri ie oa uc arto ar Ger e weal tine rael re pope c ra respecte Datos ard necessary ope or Toe THE aE Ingo ste ef anions AS AE ah BZSAG203 DKRCC PF CO0 A1 02 520 0353 Danfoss A S RC CMS MWA 03 2005 Pressure Controls REFRIGERATION AND AIR CONDITIONING Fitters notes Pressure Controls Contents Page Installation Placing of surplus capillary tube Setting Low pressure control High pressure control d Example with four compressors in parallel 6502 Setting LP for outdoor location Indicative evaporating pressures for different types of systems Test of contact function The correct pressure control for your system Fault location Installation Mount the KP pressure control on a bracket or ona completely flat surface The pressure control can also be mounted on the compressor itself In unfavourable conditions an angle bracket could am
99. ing Excessive load on the system TEV stuck open due to ice or defect Incorrect superheat setting of the expansion valve See item 3 Plugged TEV or strainer Remove obstructions causes for air short circuiting Replace Purge the system Remove excess refrigerant Check for leaks repair and recharge Replace filter drier Check condenser subcooling circuit Check load and improve conditions Check repair or replace TEV Adjust superheat Head pressure too low Sight glass with bubbles Suction pressure too high Suction pressure too low Sight glass with bubbles Warm suction line signs of frost on the TEV and low system capacity Oil level below midpoint of the compressor sight glass during operation Noticeable knock in compressor Frosted suction line and compressor shell Clean TEV and strainer Noisy compressor Lack of oil Avoid compressor short cycling or run compressor enough to return oil to crankcase correct low load conditions Add oil Replace the compressor Check superheat and TEV operation Worn or scored bearings Liquid floodback Compressor doesn t pump Broken suction valves Broken discharge line Internal pressure safety valve stuck Bypass solenoid stuck open Change compressor Change compressor Check item 13 and change compressor if necessary Repair or change solenoid valve Compre
100. ing systems compressor models MT MTZ018 022 PSC wiring may be used for refrigerant circuits with capillary tubes or expan sion valves with bleed ports Pressure CSR wiring provides additional motor torque at start up by the use of a start capacitor in combination with the run capacitor This system can be used for refrigerant circuits with capillary tubes or expansion valves The start capacitor is only connected during starting a potential relay is used to dis connect the capacitor after the start se quence Single phase compressor motors are in can be operated without crankcase heaters as the heater function is provi ded by the trickle circuit For the larger single phase compressor models MT 7028 064 the use of the crank case heater is recommended equalization must be ensured before start up because of the low starting tor que characteristics of this system ternally protected by a temperature and current sensing bimetallic protector which senses the main and start win ding currents and the winding tempe rature Once the protector has tripped it may take from two to four hours for the compressor to reset and restart Check that the power supply corres ponds to compressor characteristics refer to compressor nameplate ELECTRICAL CONNECTIONS AND WIRING Suggested wiring diagrams Single phase PSC wiring with trickle circuit IOL Motor protector A am
101. ke up to 3 hours to re and suggested wiring to the neutral maint sand restart the diagrams of star connected stator windings The protector cuts out all 3 phases simulta For all 3 phase compressors a neously crankcase heater is required Wiring diagram with pump down cycle Control device n Optional short cycle timer 3 min 5 pts Control relay Liquid Solenoid valve Compressor contactor Safety lock out relay Pump down control amp 14 H P switch 22 22 Fused disconnect External overload protection Compressor motor Motor safety thermostat Discharge gas thermostat CONTROL CIRCUIT e ks ca De i Os ELECTRICAL CONNECTIONS AND WIRING Wiring diagram uoa i Eb o without pump down cycle E 4 4 i n n mI ys m f r3 ua pr Control device mm i Optional short cycle timer 3 min 5 pts 180 s Control relay n Compressor contactor E d Safety lock out relay bl j H P switch m Fused disconnect Fa
102. l warranty period LIMITATIONS This warranty is in lieu of and excludes all other warranties express or implied including merchantability and fitness for a particular purpose The liabilities of G amp D Chillers Inc are limited solely and exclusively to repair or replacement as set forth herein alone and does not include any liability for any incidental consequential or special damages of any kind direct or indirect including without limitation lost profits business of contract negligence or tort and user by accepting the Page 14 equipment waives for itself and its successors and assigns a any and all claims for punitive damages and b all claims of negligence or strict liability or both MISCELLANEOUS G amp D Chillers will require evidence of date of shipment at the time any remedy under this warranty is sought Accordingly if the attached user start up information has not been detached and forwarded to G amp D Chillers Inc it is recommended that the use do so within 30 days of shipment as one means of submitting as to the date of shipment WARRANTED EQUIPMENT 2 PURCHASER USER LE PE SM Cosurry MODEL NUMBER SGD CIN RS SERIAL NUMBER Zalba DATE OF SHIPMENT eGosr 2o03 Page 15 WARRANTY STATEMENT These warranties are given only to purchasers who buy for commercial or individual use in the ordinary course of each purchaser s business GENERAL We offer with our product
103. lay The ETC two stage can be programmed in seven simple steps using the LCD display and the three keys on the face of the control Step 1 Stage STAGE 2 SETPOINT Step 2 2 2 Step 3 o Figure 1 Two Stage Heating Example Step 4 4 ENERGIZED OFF DE ENERGIZED Stage2 zm TION o T id nd 3 Sto STAGE2 pec echas E Jom or H Step 6 amp 2 3 5 1 a FE 217 F 74 amp mocten se ben a tep 7 ya 4 22 Figure2 Two Stage Cooling Example N ON ENERGIZED OFF OE ENERGIZED To start programming press the SET key once to access the FahrenneivCelsius mode The display will show the current status either F for degrees Fahrenheit or C for degrees Celsius Then press either the ordown arrow key to toggle between the F or C designation Press the SET key again to access the stage 1 setpoint The LCD will display the current setpoint and the S1 annunciator will be blinking on and off to indicate that the control is in the setpoint mode Then press either the up key to increase or the down key to decrease the setpoint to the desired temperature Press the SET key again to access the stage 1 differential The LCO will display the current differential and the DIF 1 annunciator will be blinking on and off to indicate that the control is in the differential mode Then press either the key to increase or the down key to dec
104. lay between the ETC stage 2 and the Alternating Relay Pin 2 to prevent simultaneous startup of both compressors at once C Obtain exact replacement for spare parts istart and run capacitors potential start relays bleed down resistors DONE but should have more on hand just in case d Set ETC Stage 1 to 21 degrees F with a 4 degree differential setting Set Stage 2 to 40 degree F with a 4 degree differential setting DONE Double check refrigerant pressures f Check both High Low Pressure switches for proper operation Replace if necessary g Rewire both compressor pump down switches per instructions and leave BOTH on continuously during chiller usage or better yet REM OVE THEM COMPLETELY after rectifying the above mentioned issues END of Summary 09 14 2012 Tom Brady M For nearly a decade G amp D CHILLERS has been recognized as innovative fabricators of dependable extended service commercial chillers The variety of satisfied end users range from food processors wineries and breweries to high technol ogy manufacturers With this wealth of experience the Custom Fabricating Division evolved as a logical next step With few exceptions the staff of G amp D CHILLERS can now Custom Fabricate cooling units to meet every need Our engineering depart ment works directly with clients specifications to fabricate components in whatever capacities and configurations their jobs
105. m bradyelectric hotmail com Saved Thu 1 05 12 12 47 PM To Dave we need the following components for the Chiller Condensing Units 1 2 220 k ohm 1 watt resistors for the Run Capacitors 2 2 15 k ohm 1 watt Resisters for the Start Capacitors 3 2 55 micro farad capacitors 440 Volt AC Run Capacitors 4 2 235 micro farad capacitors 330 Volt AC Start Capacitors 5 2 3ARR3 4A4 Start Relays for taking the start capacitor off line as the compressor comes up to about 3 4 speed All parts are from the Danfoss M aneurop Service M anual found online would double the order so that you have replacements just in case something else is wrong that we are not aware of Tom Brady 0666 Waterloo Geneva Road Waterloo New York 13165 585 746 0303 10 1 9 25 2012 5 40 Bleed Resistors and Potential Relays A Start Capacitor when used with a Potential Relay requires a bleed resistor The drawing shows that the discharge path of the start capacitor is directly across the normally closed relay s points If the charge in the capacitor exceeds 60 of it s rated voltage the points will be damaged That possibility can happen at anytime on compressor shut down Current relays are normally open so they don t need bleed resistors as a discharging capacitor does not affect the points normally closed contact Excerpts from Electrical Handbooks to Ponder Copeland Electrical Handbook Tecumseh Service
106. mall glide R 404A is often called a near azeotropic Refrigerant R 507A is an HFC refrigerant with thermodynamic properties com parable to those of the CFC refrigerant R 502 and virtually equal to those of R 404A R 507A has no ozone depletion potential ODP 0 and is commonly accepted as one of the best R 502 alter natives As with R 404A R 507A is par ticularly suitable for low evaporating temperatures but it can also be used in medium evaporating temperature ap plications R 507A is an azeotropic mix ture with no temperature glide For low evaporating temperature applications A wide variety of R 22 based transitio nal refrigerants exist also called service refrigerants or drop in blends These were developed as temporary R 12 or R 502 alternatives Some examples are R401A R401B R409A and R409B as R 12 alternatives and R402A R402B R403A and R403B as R 502 alternatives Hydrocarbons such as propane iso butane etc are extremely flammable Danfoss does not approve the use of choice R 134a is a pure refrigerant and has no temperature glide For R 134a applications always use the Maneurop MTZ compressor Use Danfoss 160PZ polyolester oil which is supplied with the MTZ compressor Maneurop MT compressors should ne ver be used for R 134a even when the mineral oil is replaced by polyolester oil mixture For more information refer to section Zeotropic refrigerant mixtu res For low evaporating tempe
107. ming press the SET key once to access the Fahrent ius mode The display will show the current Sans other E Tor or C tr doyrooe Cols Then press either or down arrow key to toggle between the F or C designation Press the SET key again to access the stage 1 setpoint The LCO will display the current setpoint and the 1 annunciator will be blinking on and off to indicate that the control is in the setpoint mode Then press either the key to increase or the down 4 key to decrease the setpoint to the desired temperature Press the SET key again to access the stage 1 differential The LCD will display the current differential and the DIF 1 annunciator will be blinking on and off to indicate that the control is in the differential mode Then press either the t key to increase or the downg key to decrease the differential to the desired setting Prou SET Koy again o acoso the stage 1 cool cr heating mode The LCD will display the current mode either cooling or H1 for heating Then press either the up t or down s key to toggle between the C1 or H1 designation Press the SET key again to access the stage 2 setpoint The LCD will display the current setpoint and the S2 annunciator will be blinking on and off to indicate that the control is in the setpoint mode Then press either the up key to increase or the down 4 key to decrease the setpoint to the desired temperature Press the SET key agai
108. n line corresponding to 0 1 bar Each pressure control e g KP 2 must be set individually in accordance with the following table Setting LP for outdoor location If the compressor condenser and receiver are situated outdoors KP low pressure must be set to a IN setting lower than the lowest occurring pressure temperature around com pressor during winter operation In this case after longer standstill periods the pressure in the receiver determines the suction pressure Example Lowest occurring temperature around the compressor 20 C means for R 12 a pressure of 0 5 CUT IN must be set at 24 C corre sponding to 0 3 bar 0012 Compressor CUT OUT CUT IN 1 0 05 0 35 bar 0 1 bar 0 5 bar i 02 bar 0 6 4 0 35 bar 0 75 bar in the bellows The pressure control must be mounted in such a way that liquid cannot collect Alc 0013 Danfoss A S RC CMS MWA 03 2008 R254626 DKRCC PF COO A1 02 520 0353 Fitters notes Pressure Controls Indicative evaporating pressures p for different types of systems Room temp System type Difference Evaporating RH Setting of KP2 KP1 th between pressure p cutin cutout tad tava D Operating press cont a S Safety press cont Fan cooled 10K 1 0 1 1 bar BS 0 9 2 1 bar D meatcold room R 134a
109. n of the alternating relay as well as its duplexing cycle features Wrong sizes start and run capacitors No bleed down resistors across the capacitors Bleed down resisters are required to prevent damage to the potential relay contacts when the compressor start winding are taken off line during startup of motor If the start capacitor charge is more than 60 the potential relay contacts are susceptible to damage Wrong size potential start relays not sufficiently rated for continuous coil voltage M arginally sized for the 5 compressors Pick up and drop voltages questionable ETC Electronic Temperature Switch was NOT programmed properly This is a two stage thermostat with a remote sensing probe installed in the chiller coolant line to monitor its temperature The unit is supposed to be programmed properly then LOCKED OUT v a and internal switch to prevent tampering The switch was not activated and the program was inadvertently erroneously changed by someone Once that happened nothing will operate properly on the system Stage 2 on the ETC should be set at a higher temperature well above that of stage 1 and the differential setting SHOULD NOT overlap Stage 1 from the ETC HAS TO TERM on the 1 pin on the Alternating Relay for continued proper operation The placement of the Pump down Toggle Switches prevented this from happening Crank Case Heaters are supposed to be left on for between four to twelve hours prior to firin
110. n to access the stage differential The LCD will display the current differential and the DIF 2 annunciator will be blinking on and off to indicate that the control is in the dif ferential mode Then press either the up t key to increase or the down key to decrease the differential to the desired setting Press the SET key again to access the stage 2 cooling or heating mode The LCD will display the current mode either C2 for cool ing or H2 for heating Then press either the or down key to toggle between the C2 or H2 designation Press the SET key once more and programming is complete Refer to Page 3 for an illustrated guide to programming the ETC NOTE The ETC will automatically end programming if no keys are depressed for a period of thirty seconds Any settings that have been input to the control will be accepted at that point All control settings are retained in non volatile memory if power to ETC is interrupted for any reason Re programming is not necessary after power outages or disconnects unless different control settings are required Step Annunciator Description 1 Fort Fahrenheit or Celsius Scale 2 9100 Setpoint Temperature 3 DiFi binkng Stage 1 Differential Temperature 4 CM Stage 1 Cooling or Heating Mode CEI 5 S2 birkng Stage 2 Setpoint Temperature 6 DIF2 inkng Stage 2 Differential Temperature Cama Stage 2 Cooling or Heating Mode Lockout Switch The ETC is provided with a lockout
111. nded up to 400 feet LINE VOLTAGE A damaged sensor can be replaced by splicing a new Ranco sensor onto the sensor leads from the circuit board The sensor is not polarity sensitive 0 10V ANALOG OUTPUT QOD EL ES EX Figure8 0 10 V Analog Output Located on Power Lower Circuit Board FIELD REPAIRS Field calibrating or repairs to the ETC control must not be attempted Sensors and replacement controls are available through Ranco 120 wholesalers Figure6 Typical Line Voltage Wiring Diagram 5 SENSOR MOUNTING For space sensing mount the sensor where it will be unaffected by heat cool discharge or radiated heat sources Spot sensing requires the sensor to be in good contact with the surface being sensed The sensor can be inserted in a bulb well for immersion sensing EXTENDING SENSOR CAUTION Sensor wiring splices may be made external from the control DO NOT attempt tyo unsolder the sensor at the control circuit board CAUTION Disconnect power 10 control before wiring to avoid possible electrical shock or damage to the controller Additional cable can be spliced to the sensor cable to increase the length beyond the standard 8 feet It can be extended up to 400 feet The cable should be at least 22 AWG or larger to keep additional resistance to a minimum All splices and wire lengths added to the sensor cable should be made according to acceptable wiring practices and should conform to the N
112. not be allowed in some countries Check local regulations Moisture interferes with proper functio ning of compressors and refrigeration systems Air and moisture reduce service life in crease condensing pressure and cause excessively high discharge tempera tures that can destroy the lubricating properties of the oil Air and moisture also increase the risk of acid formation giving rise to copper plating All these phenomena can cause mechanical and electrical compressor failure To eliminate these factors a vacuum pull down according to the procedure given below is recommended 1 Whenever possible if valves are pre sent the compressor must be kept iso lated from the system 2 After leak detection the system must be pulled down under a vacuum of 500 microns A two stage vacuum pump must be used with a capacity appropriate to the system volume Use connection lines with a large diameter and connect them to the service valves and not to the Schr der connection to avoid too high pressure losses 3 When a vacuum level of 500 mi crons is reached the system must be isolated from the vacuum pump Wait 30 minutes during which the system Before initial start up or after a prolon ged shut down period energize the crankcase heater if fitted 12 hours Zeotropic and near azeotropic refri gerant mixtures such as R 407C and R 404A must always be charged in the liquid phase For the initial charge the compre
113. now how much the extras are and yes the phone is finally working Thanks a lot Correct Parts List for your Dual 5 Refrigeration Compressors 2 220 k ohm 1 watt resistors for the Run Capacitors 2 15 k ohm 1 watt Resisters for the Start Capacitors 2 55 micro farad capacitors 440 Volt AC Run Capacitors 2 235 micro farad capacitors 330 Volt AC Start Capacitors 2 3ARR3J4A4 Start Relays for taking the start capacitor off line as the compressor comes up to about 3 4 speed Bleed Resistors and Potential Relays A Start Capacitor when used with a Potential Relay requires a bleed resistor The drawing shows that the discharge path of the start capacitor is directly across the normally closed relay s points If the charge in the capacitor exceeds 60 of its rated voltage the points will be damaged That possibility can happen at any time on compressor shut down Current relays are normally open so they dont need bleed resistors as a discharging capacitor does not affect the points Excerpts from Electrical Handbooks to Ponder Copeland Electrical Handbook Tecumseh Service Handbook Start Capacitor Bleeder Resistors All standard Copeland start capacitors are supplied with bleed resistors securely attached and soldered to their terminals The use of capacitors without these resistors will result in sticking relay contacts and or erratic relay operation especially where short cycling is likely to occur This is
114. nt tem peratures After a while the full system refrigerant charge can condense in the compressor crankcase A large amount will dissolve in the compressor oil until the oil is completely saturated with re frigerant If other system components are located at a higher level this pro cess can be even faster because gravity will speed the flow of liquid refrigerant to flow back to the compressor When the compressor is started the pressure During normal and stable system ope ration refrigerant will leave the evapo rator in a superheated condition and enter the compressor as a superheated vapor Normal superheat values at compressor suction are 9 F to 54 F The refrigerant leaving the evaporator however can contain an amount of liquid refrigerant for various reasons wrong dimensioning wrong setting or malfunction of expansion device In heat pumps changeover from coo ling to heating cycles defrost and low load short cycles may lead to liquid re frigerant floodback or saturated refrige rant return conditions The negative effects are Liquid floodback in systems working with a zeotropic refrigerant such as R 407C introduces additional negative effects A part of the refrigerant leaves the evaporator in liquid phase and this rable to a long service life Liquid refri gerant can dilute the oil wash oil out of bearings and result in high oil carry over resulting in loss of oil from the sump Good system design c
115. ntrol REFRIGERANT PIPING Type L copper Liquid line filter drier sigh glass moisture indicator solenoid valve and thermal expansion valve with external equalizer Suction line fully insulated and designed for proper return at minimum friction loss Discharge line formed of ACR tubing and reformed radius fittings Refrigerant charge Leak tested and evacuated Shipped with operating charge of R 22 CONTROL CENTER All power starting controls and safety operating controls are mounted in a fully enclosed and weatherproof steel Nema 4 enclosure The following controls are included Compressor contactor and circuit breaker Pump contactor and circuit breaker Flow switch interlock Freeze protection interlock Operating thermostat Fan cycling both fans Manufacturer G amp D Chillers Inc 3498 W 1 St 1 Eugene OR 97402 Phone 1 503 345 3903 Fax 1 503 345 8835 Page 2 UNIT INSTALLATION Air cooled united must sit outside on level solid location Location should be free of grass and other debris that could plug condenser fins Minimum 24 clearance from condenser side to any buildings walls etc Louvered side to be open to free air UNIT MAINTAINENCE Condenser should be cleaned at least every 6 months for proper operation and efficiency Use a garden hose and spray at an angle down Check glycol level and water glycol ratio 35 using glycol refractometer Check compressor oil in sight glass at bottom of compre
116. ondensing units are used in a large array applications in both businesses This ranges from water chillers large packaged air conditioners as well as medium and low temperature refrigeration systems for food storage and processing Danfoss Compressors Hermetic compressors and fan cooled densing units for refrigerators freezers and light commercial applications such as bottle coolers and display counters Danfoss also produces compressors for heating pump systems as well as 12 and 24 volt compressors for refrigerators and freeones used in meblle appikationsandsetr power The division hasa leading position within energy utilisation noise filtering and know how about environment friendly compressors Refrigeration and air conditioning controls A comprehensive and highly reputed range of self acting valves electronic valves and regulators as wellas system protectors and line components for the refrigeration and air conditioning market These products include thermostatic expansion valves solenoid valves thermostat and pressure controls modulation pressure regulators filter driers shut off valves sight glasses check valves non return valves and water valves Decentralised electronic systems for full regulation and control of refrigeration applications are also developed and produced at Danfoss Industrial Controls Products and customer specific solutions for industrial monitoring and controls systems based on the pr
117. ontrol water cooled condensers and control with alarm function FEATURES Wide setpoint temperature range 30 F to 220 F and differential adjustment 1 F to 30 F Simple keypad programming of setpoint temperature differential and coolingheating modes Two individually programmable stages for heating and or cooling LCD readout of sensor temperature control settings relay status and onboard diagnostics Remote temperature sensing up to 400 feet Two SPOT output relays User selectable Fahrenheit Celsius scales Lockout switch to prevent tampering by unauthorized personnel Choice of line voltage and low voltage models available Optional 0 to 10 volt analog output available for remote temperature indication SPECIFICATIONS 120 or 208 240 VAC 24 VAC optional 50 60 Hz 30 F to 220 F Temperature Range Differential Range 1 to 20 F Switch Action SPDT Sensor Thermistor 2 in long x 0 25 in diameter with 8ft cable Pilot Duty 125 VA at 120 208 240 VAC Control Ambient Temperature Operating 20 F to 140 F 29 C to 60 C Storage 40 F to 176 F 40 C to 80 C Ambient Humidity 0 to 95 RH Non condensing 0 to 10 V Output Impedance 1K Enclosure NEMA 1 Plastic Agency Approvals UL Listed File 94419 Guide CSA Certified File LR68340 Class 4812 02 ETC ORDERING INFORMATION Input No of 0 10V Code Number Voltage Stages Output ETC 211000 000 120 240 2
118. or proper alternation The use of a solid state control switch for S1 may not initiate alternation correctly 51 voltage must be from the same supply as the unit s input voltage see connection diagrams Loss of input voltage resets the unit Load A becomes the lead load for the next operation Connection 1 SPDT 8 Pin 3 DPDT 8 Pin Cross Wired Duplexing Cross Wired Duplexing models 2 operate the same as alternating relays and when both the Control 51 and Lag Load 52 Switches DPDT 11 Pin closed Load A and Load B energize simultaneously The DPDT 8 pin cross wired option allows extra system load capacity through simultaneous operation of both motors when needed Relay contacts are not isolated Relay contacts in above are isolated Dashed lines are internal connections Voltage LA Load A LB Load 1 Primary Control Switch 2 Lag Load Switch Available Models ARP22 ARP23S ARP41 ARPA1S ARP42 425 ARP43 ARP43S ARP62S ARP63S Don t see what you need Call us for a minimum quantity and price quote Ordering Table ARP x x x Series Input Output Form eun Option 2 24V AC 1 SPDT 8 Pin Rotary Switch 120VAC 2 DPDT 11 Pin Blank No Switch 230V AC 3 DPDT 8 Pin Cross Wired Example P N ARP41S ARP63 denotes a preferred product SSAC LLG 800 377 7722 customersarviceGssac com technicalsupport ssa
119. or the unit Circuit Breakers 4 Crankcase Heaters LEAVE ON 24 7 364 Circuit Breaker 1 2 3 can be turned off during NON USE BEWARE Time Delay of 2 minutes for Stage 2 Compressor Start up Time Delay of 6 Minutes for Automatic Restart after Voltage Monitor records FAULT 6 Degree Per TMB Differential 9 28 2012 4 Degree Differential 20 Degrees Target Temperature Per Dave Mortensen Hunt Country Vineyards BradyElectric hotmail com Maintenance Log for Hunt Country Vinyards 5x5 Chiller Unit Changes Alterations Repairs Description Install proper sized Start Run Capacitors and Potential Start Relay Check amperage reading at the compressor and pump controls ok Perform Preventive M aintenance on control panel and controls 7 Color Code leg A and B on the 240 volt control circuit to allow easier troubleshooting D Tom Brady Company 3 FL Troubleshooter E a 5 5 a E 5 amp 3 2 2 3 8 3 8 a 8 5 3 5 z E 5 o 8 a 8 3 E g 4 8 a ES Un Replace faulty flow switch on the liquid chiller loop Flow Indication eprogram 2 stage temperature ETC for proper operation 21 4 stage1 41 4 stage2 Degrees F 1 Reverse Engineer System controls and provide documentation with recommended changes ove Compressor Switches A and B Wiring per revised electrical drawing Rewire Control Panel for eas
120. p C capacitors c Common s Start winding auxiliary R Run winding main Single phase CSR wiring with trickle circuit 10L Motor protector A amp C Run capacitors B Start capacitor c Common s Start winding auxiliary R Run winding main Single phase CSR wiring without trickle circuit 10L Motor protector A C Run capacitors B Start capacitor c Common s Start winding auxiliary R Run winding main Capacitors A and C are replaced by a single capacitor of size A 230V 220kQ 1W AUF LS Thermostat 230V Start Relay 5 220k0 1W 12 Aur x La 1 Thermostat EE 15 1 230V Start Relay thermostat 220k0 1W C 15kn 1W ELECTRICAL CONNECTIONS AND WIRING Three phase electrical characteristics LRA Locked Rotor MCC Maximum ding resistance Q Current A Continuous Current A 7 at 68 Motor Code 3 4 6 7 9 3 4 6 7 9 3 4 6 ri 9 MT MTZ018 38 20 30 9 5 249 10 24 338 MT MTZ022 38 16 gt 22 5 11 6 85 6 249 10 24 3 38 6 58 MT MTZ028 57 23 i 32 16 75 115
121. pe crankcase heater 75 W 230 V CE mark UL MT MTZ100 160 Multipack 6 7973005 Belt type crankcase heater 75 W 230 V CE mark UL MT MTZ100 160 Industry pack 50 7773118 Belt type crankcase heater 75 W 400 V CE mark UL MT MTZ100 160 Multipack 6 7773004 Belt type crankcase heater 75 W 240 V UL MT MTZ100 160 Multipack 6 7773014 Belt type crankcase heater 75 W 400V UL MT MTZ100 160 Multipack 6 7773008 Belt type crankcase heater 75 W 460 V UL MT MTZ100 160 Multipack 6 7773105 Belt type crankcase heater 75 W 575 V UL MT MTZ100 160 Multipack 6 Acoustic hoods Type Code no Description Packaging Pack size 7755001 Acoustic hood for 1 cylinder compressor 2018 040 Singlepack 1 7755002 Acoustic hood for 2 cylinder compressor 2044 081 Single pack 1 7755003 Acoustic hood for 4 cylinder compressor MT MTZ100 160 Single pack 1 30 ACCESSORIES AND SPAREPARTS 3 phase soft start equipment Type Codeno Description Application Packaging Pack size SCRO1 7702003 Soft start kit with statoric resistors prewired box SCROT MT MTZ044 081 Single pack 1 SCRO3 7705001 Soft start kit with statoric resistors prewired box SCRO3 MT MTZ100 160 Single pack 1 MCI 15C 7705006 Electronic soft start kit
122. plify vibration in the mounting plane Therefore always use a wall bracket where strong vibration occurs 000 1 02 520 0353 Danfoss A S RC CMS MWA 03 2005 Fitters notes Pressure Controls Fault location m gc High pressure Condensing pressure too high because Rectity the stated faults control disconnected Dirty clogged condenser surfaces Warning Fans stopped water supply failure Do not start the Defective phase fuse fan motor systembeforethe Too much refrigerant in system faulthasbeenlo Air in system cated and rectified The low pressure control fails to stop the compressor Differential setting too high so that cut out pressure falls below 1 bar b Differential setting too high so that compressor cannot pull downto cut oul pressure Increase the range setting or reduce the ditterential Compressor running time too short Differential setting on low pressure control too low b High pressure control setting too low ie ton close to normal operating pressure Condensing pressure too high because ot Dirty clogged condenser surfaces Fans stopped water supply fallure Defective phase fuse fan motor Too much refrigerant in system Air in system Increase the differential setting b Check the high pressure control setting
123. r must be the last component to be integrated in the system It is advisa ble to braze the solder sleeves or ser vice valves to the pipework before the compressor is mounted When all bra zing is finished and when the entire 26 Wt anevrop INSTALLATION AND SERVICE System pressure test Leak detection system is ready the compressor caps can be removed and the compressor connected to the system with a mini mum exposure to ambient air Ifthis procedure is not possible the slee ves or valves may be brazed to the pipes when mounted on the compressor In this situation nitrogen or CO must be purged through the compressor via the Schr der valve to prevent air and mois ture ingress Purging must start when the caps are removed and continue du ring the brazing process When rotolock valves are used on the compressor they must be closed immediately after mounting thus kee ping the compressor isolated from the atmosphere or from a system not yet dehydrated Note When the compressor is built into a rack or pack configuration that is not installed immediately in its final lo cation a vacuum pull down and mois ture removal must be performed to the rack as if it were a complete system see below The rack must be charged with nitrogen or CO and open tubes must be blocked with caps or plugs Q9 F 7 D Schrader It is recommended that an inert
124. r If there is no terminal in position 6 then position 4 can be either polarity Circuits Circuits are available for a three terminal common coil and contact circuit or a four terminal isolated coil and contact configuration Common Coil Circuit Isolated Coil Circuit Coils All coils have Class B insulation with a maximum allowed winding temperature of 120 C by change in resistance method There are 16 standard coil groups with ratings from 130 to 500 volts AC 60 Hz 50 Hz coil ratings range from 117 to 470 volts AC The ratings are based on an 80 C temperature rise above a 40 C effective ambient temperature at the relay Contact Ratings 3ARR3 35 amperes max 50 60 Hz break only 3ARR22 50 amperes max 50 60 Hz break only Mounting A variety of standard mounting types are available which provide suitable mounting means for specific applications The relay may be mounted in any position but the calibration is position sensitive therefore the relay is calibrated for the specific mounting position in the application The plastic cover permits mounting to metal without additional insulation GE Consumer amp Industrial GE Appliance Controls Approvals UL File SA639 3ARR3 3ARR22 CSA Files 11746 15 CSA Files 11746 115 3ARR22 VDE License No 97252 3ARR3 3ARR22 Ref No 4376 15 4510 8007 A1F General Application Considerations The parameters and cha
125. r an 80 C temperature rise All coils have a 120 C total temperature rating based on IEC 730 1 EN 60730 1 Therefore in an application where the effective ambient is 40 C an allowable rise of 80 C is within the 120 C temperature rating of the coil The effective ambient temperature at the relay plus the heat rise of the coil must not exceed 120 C If the effective ambient temperature at the relay is expected to exceed 40 C then a coil group with a higher voltage rating should be selected The tables show voltage ratings for 60 C temperature rise as a guide for selecting coils where the effective relay ambient may exceed 40 C Note Be sure that the effective ambient at the relay is checked in the worst conditions for highest expected ambient temperature Some applications may have unusually high effective ambients due to small space constraints tighter enclosures and or insulation around the motor compressor compartment for noise damping Calibration Specification Procedure Calibration values can be approached from two directions One is starting at the optimum transfer speed and working down from a value of maximum hot relay pickup volts which will disconnect the start capacitor at the optimum transfer speed The most common procedure is to start with a calculation of the minimum cold pickup volts which will not be less than a voltage surge at Ess at zero speed when the circuit is energized The calculation includes
126. racteristics which must be evaluated for a satisfactory application are 1 Motor Curves Max Nom Min Supply Volts Motor Speed vs Torque Starting and Running Motor Speed vs Start Winding Volts Start Capacitor In Out 2 Ratings in Amperes Required Electrical Rating of the Contacts in Amperes Determines the relay design required 3ARR3 3ARR22 3 Mechanical Form e Number and types of terminals quick connect or screw e Circuitry Common coil or isolated coil e Mounting Bracket Type Select from standard designs Other special features which may be required 4 Coil Voltage Rating Follow Application Procedure 5 Calibration Follow Application Procedure 6 Mounting Position Customer specification for calibrating the relay in the position in which it will be mounted Endurance 100 000 to 500 000 operations depending on load Motor Curves Prior to beginning the procedure for determining the functional characteristics of the relay the motor curves for start winding voltage vs motor speed should be examined to see if the shapes of the curves lend themselves to a good application These curves should be obtained from the motor suppliers who generally are aware of motor curve characteristics which facilitate the application of potential type starting relays See Figures 3 and 4 for typical start winding voltage and torque curves Other basic electrical measurements on the motor compressor will also assist in the appl
127. raining from the condenser into the discharge line during standstill Condenser Loop as high as top of condenser In most installations the initial compres sor oil charge will be sufficient In instal lations with line runs exceeding 20 m or with many oil traps or an oil separator additional oil may be required In instal For new installations with MTZ com pressors Danfoss recommends using the Danfoss DML 10096 molecular sieve solid core filter drier Molecular sieve filter driers with loose beads from third party suppliers should be avoided For servicing of existing installations where acid formation is present Dan foss DCL solid core filter driers contai A high pressure safety switch is requi red to stop the compressor should the discharge pressure exceed the values shown in the table below The high pressure switch can be set to lower values depending on the application and ambient conditions The HP switch lations with risk of slow oil return such as in multiple evaporator or multiple condenser installations an oil separator is recommended Also refer to page 29 ning activated alumina are recommen ded The drier should be oversized rather than undersized When selecting a drier always take into account its capacity water content capacity the system refrigerating capacity and the system refrigerant charge must either be in a lockout circuit or be a manual reset devi
128. rature applications down to 49 F Maneurop NTZ compressors should be used Re fer to the NTZ selection and application guidelines For medium temperature R 404A applications always use the Ma neurop MTZ compressor with 160PZ polyolester oil which is supplied with the MTZ compressor Maneurop MT compressors should ne ver be used with R 404A even if the mi neral oil replaced by polyolester oil down to 49 F Maneurop NTZ com pressors should be used Refer to the NTZ selection and application guideli nes For medium temperature R 507A applications always use the Maneurop MTZ compressor and Maneurop 160PZ polyolester oil which is supplied with the MTZ compressor Maneurop MT compressors should ver be used for R 507A even with the mineral oil replaced by polyolester oil Because of the R 22 component they all have a low ozone depletion poten tial Maneurop MT compressors can be applied with these transitional refri gerants In such applications the initial mineral oil charge must be replaced by Maneurop 160 ABM alkylbenzene oil hydrocarbons with Maneurop MT or MTZ compressors in any way even with a reduced refrigerant charge SYSTEM DESIGN RECOMMENDATIONS Piping design Suction lines Oil ina refrigeration circuit is required to lubricate moving parts in the compres sor During normal system operation small quantities of oil will continually
129. rease the differential to the desired setting Press the SET key again to access the stage 1 cooling or heating mode The LCD will display the current mode either C1 for cooling or H1 for heating Then press either the up ordown key to toggle between the C1 or H1 designation Press the SET key again to access the stage 2 setpoint The LCD will display the current setpoint and the S2 annunciator will be blinking on and off to indicate that the control is in the setpoint mode Then press either the key to increase or the down key to decrease the setpoint to the desired temperature Press the SET key again to access the stage 2 The will display the current 116 DIF 2 annunciator will be blinking and to indic lt t the control is in the dif ferential mode Then press either the up key to increase or the down key to decrease the differential to the desired setting Press the SET key again to access the stage 2 cooling or heating mode The LCD will display the current mode either C2 for cool ing or H2 for heating Then press either the up 4 ordown key 1o toggle between the C2 or H2 designation Press the SET key once more and programming is complete Refer to Page 3 for an illustrated guide to programming the ETC NS Figure 3 One Stage Cooling and One Stage Heating Example NOTE The ETC will automatically end programming if no keys are depressed for a period of
130. rmined from the voltage speed torque characteristics of the specific motor in the application CIRCUIT FOR POTENTIAL RELAY APPLICATIONS MOTOR PROTECTOR CAPACITOR START INDUCTION RUN FIG 1 MOTOR PROTECTOR CAPACITOR START CAPACITOR RUN FIG After disconnecting the start capacitor the relay remains picked up during the run cycle of the motor Therefore the coil of the relay must be designed to be continuously energized at the value of the start winding voltage after the start capacitor is disconnected When the motor is de energized the relay drops out closing the contacts and the relay is ready for the next motor start function Note The start capacitor must be discharged during the run cycle by a bleed resistor across the terminals to prevent a charged start capacitor from discharging through the relay contacts and welding them as the motor is de energized and the relay contacts re close The equipment manufacturer should determine the required value and wattage rating based on the specific application Normally a start capacitor bleed resistor has a resistance value of approximately 15 000 ohms and 2 watt capacity Design Features The and 3ARR22 potential type starting relays are enclosed relays designed for remote mounting from the equipment it is controlling The design is an iron core armature actuated electro magnetic relay with a single pole
131. rough the pipes during brazing to prevent oxidation If flux is used take every precaution to prevent it entering the piping Do not drill holes e g for Schrader valves in parts of the installation that are alrea dy completed when filings and burrs can not be removed Carefully follow the instructions below regarding brazing mounting leak detection pressure test and moisture removal All installation and service work must be done only by qualified personnel using correct procedures and using tools charging systems tubes vacuum pump etc de dicated for the refrigerant that will be used never be used to lift the complete ins tallation Keep the compressor in an upright posi tion during handling The grommets largely attenuate com pressor vibration transmitted tothe base frame The compressor must always be mounted with these grommets Refer to the table below for torque values Designation Recommended torque screw 10 32 UNF x 3 17 59 Rotolock valves and solder sleeves 17 4 66 1 3 4 81 Mounting grommet bolts 1 2 4 cylinder 11 Oil sight glass 37 Oil equalization connection 1 2 4 cylinder 22 New compressors have a protective ni trogen holding charge The suction and discharge caps should only be removed just before connecting the compressor to the installation to avoid air and mois ture entering the compressor Whenever possible the compresso
132. s oil in the rest of the system Only correct piping design can ensure a good oil balance in the system the common suction riser should be de signed as a double riser Also refer to the News bulletin Mounting instructions for installation of Maneurop compres sors in parallel and Parallel application guidelines Gas velocities higher than 40 fps will not contribute significantly to better oil return They will however cause higher noise levels and result in higher suction line pressure drops which will have a negative effect on system capacity No condenser 0 5 slope 13 ft s or more A max 13ft U trap Pa U trap as short as possible 26 to 39 ft s max 13ft ied 5 slope 13 ft s or more Evaporator U trap as short as possible SYSTEM DESIGN RECOMMENDATIONS Discharge line Oil charge and oil separator Filter driers Operating limits High Pressure The suction rotolock valves that can be ordered from Danfoss as accessories are designed for average pipe sizes and selected for systems running at nominal conditions The pipe sizes selected for specific sys When the condenser is mounted abo ve the compressor a loop above the condenser and a U trap close to the tems may differ from these recommen ded sizes It is recommended that the suction lines be insulated to limit suction gas superheat compressor are required to prevent li quid d
133. s the following one year warranty against defects in material and workmanship Please read your warranty statement carefully This statement sets forth our responsibilities in the unlikely event of defect and tells you how to obtain performance under the warranty G amp D CHILLERS INC WARRANTIES ONE YEAR WARRANTY AGAINST DEFECTS IN MATERIAL AND WORKMANSHIP The G amp D Chillers Inc product identified below is warranted to be free of defects in material and workmanship for a period of one year from the start up date provided the start up occurs within 3 months of the shipping date set forth below or from the bill of lading or actual shipping date whichever is earlier and the unit has been stored in a suitable environment prior to start up The start up date will be determined only from the completed inspection and start up sheet received with the unit If any part or portion of the system fails to conform to these warranted characteristics within the warranty period G amp D Chillers will furnish new or at its option factory remanufactured material for repair or replacement of that part or portion G amp D Chillers will warranty labor for a period of 90 days from start up provided that the purchaser and G amp D Chillers agree on the labor required prior to performing the work WARRANTY EXTENDS TO FIRST PURCHASER FOR USE NONTRANSFERABLE These warranties are extended to the first person firm association or corporation for whom
134. should be installed without such a bleeder resistor In an emergency where no bleeder resistor equipped capacitors are available then a two watt 15 000 ohm resistor can be obtained and soldered across the capacitor terminals Ergncenng Techescin tht spexiskzes n troubleshooting and Jed sym ees probem gates weh Process ro Automation Robtcs and Electro Mechanical hydra peut istrurmertation Instaanoen Control Motor No accurate documentation wing Schematics lsd er diagram no parts descriptions PROBLEM Hunt Country Vineyards Chiller Problems Summarized 09 14 2012 TMB Little documentation on hand Little service records no service logs affixed to the equipment by previous service attempts at remedying the problems with the system Poor design by the manufacturer G amp D Chillers by having the start run capacitors installed in the same enclosure as the electrical controls When the capacitors blew they obliterated the electrical drawing affixed to the inside of the enclosure door making them unreadable They also wreaked havoc by contaminating the controls located within the enclosure Piss Poor setup in my opinion Improperly installed tpump down switches toggles for compressor tA Bi locations They should have been located on the load side of the alternating relay contacts They were located on the line side instead which prevented the proper operatio
135. ssible all based on re ducing condenser capacity Locating condensor indoors Liquid flooding of condensers note this solution requires extra refrigerant charge which can Operating voltage limits are shown in the table on page 4 The voltage applied to the motor terminals must always be within these limits The maximum allo wable voltage unbalance for 3 phase compressors is 2 Voltage unbalance introduce other problems A non return valve in the discharge line is required and special care should be taken when designing the discharge line Reduce air flow to condensers Other problems can occur when the compressor is operating at low ambient temperature For example during shut down periods liquid refrigerant can migrate to a cold compressor For such conditions a belt type crankcase heater is strongly recommended Because Maneurop compressor motors are 100 suction gas cooled they can be externally insulated Refer to section Liquid refrigerant mi gration amp charge limits for more de tails causes high current draw on one or more phases which in turn leads to ove rheating and possible motor damage Voltage unbalance is given by the for mula Vavg V1 2 V1 3 V2 3 voltage unbalance x 100 Mean voltage of phases 1 2 and 3 V1 2 Voltage between phases 1 and 2 There may be no more than 12 starts per hour 6 when a soft start accessory is used
136. ssor Inspect for any oil leaks Oil fan motors every 12 months Inspect control panel contacts on compressor contactor Replace as necessary Page 3 START UP INSTRUCTIONS In order to insure performance and longevity we suggest this unit be started and final adjustments made on site by a qualified refrigeration technician Prior to startup you may call G amp D Chillers at 1 800 555 0973 for instruction Deviation from these instructions will void any warranty Please complete the following and return a copy to G amp D Chillers to activate warranty Unit warranty will be established from this startup date notification If not received within 10 days from startup the warranty period will start from shipment and will only cover parts Job name Hour V pnn lt Customer RAT te Address gt I ray Au kal ALNE Phone 5165 ec X NI FAX SIs 2S 55 Service company M ERNS R FRG oN Service technician Tere y ERNST Unit Model No G D 5x amp Unit serial No 2 9 zo Unit voltage t 2o 250 4 Page 2 Start up instructions 16 3 START P a ML sd UNIT ELECTRICAL CHECK Service voltage to the unit check one _208 y 230 460 phase check w single three does unit voltage amp phase match unit tag ves OPERATIONAL CHECK Note Allrefrigerant service valves are factory
137. ssor must not run and service valves must be closed Charge refrige rant as close as possible to the nominal system charge before starting the com pressor Then slowly add refrigerant in the liquid phase on the low pressure side as far away as possible from the Note 2 Leak detecting additives shall not be used as they may affect the lubricant properties Warranty may be voided if leak detec ting additives have been used pressure should not rise When the pressure rapidly increases the system is not leak tight Leak detection must be repeated and the vacuum pull down procedure should be restarted from step 1 When the pressure slowly increases this indicates the presence of moisture In this case steps 2 and 3 should be re peated 4 Connect the compressor to the sys tem by opening the valves Repeat steps 2 and 3 5 Break the vacuum with nitrogen or the final refrigerant 6 Repeat steps 2 and 3 on the total sys tem At commissioning system moisture content may be up to 100 ppm During operation the filter drier must reduce this to a level 20 ppm Warning Do not use a megohmmeter or apply power to the compressor while it is un der vacuum as this may cause motor winding damage Never run the compressor under va cuum as it may cause compressor mo tor burn out prior to start up or turn on power for single phase compressors with trickle circuit running compressor The refrigerant charge quan
138. ssor will not start Blown fuse or open disconnect Tripped or damaged overload Short circuit or other electrical failure Overheating or overcurrent Check electrical circuit and wiring Wait 2 3 hours for to reset and check refrigerant charge or power quality to the compressor Check for leaks repair and recharge Check terminals at compressor contactor and wirin in general Check oil level Restart 3 ph compressor by switchir 2 phases change If it does not restart Open pressure switch Loose wires Loss of refrigerant charge Vibration bad crimping or under torque Motor seized 5 Mt anevrop Com pressor Troubleshooting Chart Compressor starts but start relay does not drop out Compressor runs but cuts out on overload High running current overload trips Internal overload tripping MUST WAIT 2 3 HOURS TO CHECK IF IT WILL RESET Incorrect wiring of start components Incorrect or defective start relay Incorrect or defective start capacitor Incorrect or defective run capacitor Low voltage Excessive head pressure due to dirty condenser or lack of condenser air or water flow Low voltage or unbalanced Faulty electrical connections causing single phasing or high current surges Sticking start relay on single phase machines leaving start cap on circuit Compressor starts but cycles on overload Compressor runs but cycles on Internal pressure safety Internal overload tripping MUST WAIT 2 3
139. switch to prevent tampering by unauthorized personnel When placed in the LOCK position the keypadis disabled and no changes to the settings can be made When placed in the UNLOCK position the keypad will function normally To access the lockout switch disconnect the power supply and open the control The switch is located on the inside cover about 2 inches above the bottom see Figure 4 To disable the keypad slide the Switch to the left LOCK position To enable the keypad slide the Switch to the right UNLOCK position All ETC controls are shipped with this Switch in the UNLOCK position Display TROUBLESHOOTING ERROR MESSAGES Display Messages E1 Appears when either the up or down key is pressed when not in the programming mode To correct If the E1 message appears even when no keys being pressed replace the control Appears if the control settings are not properly stored in memory To correct Check all settings and correct if necessary Appears when the probe is open shorted or sensing a temperature that is out of range To correct Check to see if the sensed temperature is out of range If not check for probe damage by comparing it to a known ambient temperature between 30 F and 220 F Replace the probe if necessary Appears if the EEPROM data has been corrupted To correct This condition cannot be field repaired Replace the control Appears if calibration mode has been entered To correc
140. t Remove power to the control for at least five seconds Reapply power If the CL message still appears replace the control INSTALLATION INSTRUCTIONS IMPORTANT 1 AIIETC series controls are designed as operating controls only If an operating control failure could result in personal injury or loss of property a separate safety control and or alarm should be installed The schematic drawings and other information included in these installation instructions are for the purpose of illustration and general reference only These instructions do not expand reduce modify or alter the Ranco Terms in any way and no warranty or remedy in favor of the customer or any other person arises out of these instructions Ranco ETC controls have been approved by Underwriters Laboratories as UL Listed however approval does not extend to their use for any other purpose Ranco assumes no responsibility for any unconventional application of its control unless such application has been approved in writing by Ranco Itis the responsibility of the installer and the user to assure that his or its application and use of all Ranco products are in compliance with all federal state and local requirements including without any limitation all requirements imposed under the National Electric Code and any applicable building codes CAUTION CONTROL MOUNTING To prevent possible electrical shock or equipment damage Mountthe ETC to a wall or any fiat s
141. the start winding The higher the speed of the rotor for a given start winding the higher the induced voltage in that start winding When a motor is first energized the voltage across the start winding is less than the supply voltage since the start winding is in series with the start capacitor As the motor increases speed the voltage across the start winding increases and continues to increase until full motor speed is reached At that point the value of start winding voltage is called the continuous voltage rating required for relay coil design considerations The start winding voltage can be significantly higher than the supply voltage Since the coil of the relay is connected across the start winding of the motor the relay responds to the increase in start winding voltage as the motor increases speed See Figs 1 amp 2 The normally closed relay contacts in series with the start capacitor are designed to open at a specific motor speed as the start winding voltage increases Note The relay responds to the start winding voltage and not the supply voltage to the equipment For a specific motor and load conditions there is a correlation between the start winding voltage and the speed of the motor The relay utilizes this correlation to pick up and open the relay contacts at a voltage which will ensure that the motor will pull up to normal running speed after the start capacitor is disconnected The relay pickup voltage is dete
142. the unit identified herein is originally installed for use The user These warranties are not transferable without prior written permission of G amp D chillers Inc G amp D CHILLERS INC 3498 W 1ST gt EUGENE OREGON 97402 TELEPHONE 541 345 3903 800 555 0973 FAX 541 345 8835 YOUR NEW G amp D CHILLER will give you years of service with very little maintenance Our product is in our opinion the finest available We are pleased that you have chosen a G amp D Chiller In this owner s manual you will find Chiller specifications Pages1 2 Instruction for unit installation and maintenance Page 3 Start up instructions Pages 4 6 Compressor trouble shooting chart Page 7 Wiring diagram Page 8 Temperature control installation instructions Pages 9 11 Glycol chart with application recommendations Page 12 Warranty statement Pages 13 15 We are available to answer any questions you may have regarding your chiller Call 800 555 0973 or 541 345 3903 G amp D CHILLERS INC 3498 W 1ST EUGENE OREGON 97402 TELEPHONE 541 345 3903 800 555 0973 FAX 541 345 8835 Specification G amp D Chillers Inc PACKAGE AIR COOLED WATER CHILLER SPECIFICATIONS STANDARD UNITS The chiller system is assembled on a welded tubular steel frame as a single package Steel frame is completely fabricated with all welding and drilling functions complete frame is then sandblasted and powder coated with coating b
143. tity must be suitable for both winter and summer operation Refer also to section Protec tion against flooded starts and liquid floodback for information about refri gerant charge limits Warning when a liquid line solenoid valve is used the vacuum in the low pressure side must be broken before applying power to the system 28 INSTALLATION AND SERVICE Oil charge and oil level Suction gas superheat The oil charge must be checked before commissioning 1 4 to 3 4 of the oil si ght glass Check the oil level again after a minimum of 2 hours operation at no minal conditions In most installations the initial compressor oil charge will be sufficient In installations with line runs exceeding 20 m or with many oil traps or an oil separator additional oil may be required Normally the quantity of oil added should be no more than 296 of the total refrigerant charge this percentage does not take into account Optimum suction gas superheat is 15 F A lower superheat will contribute to better system performance higher mass flow and more efficient use of eva porator surface Low superheat values however increase the risk of unwanted liquid floodback to the compressor For very low superheat values an elec tronically controlled expansion valve is recommended Maximum allowable superheat is about oil contained in accessories such as oil separators or oil traps If oil has alrea dy been added and the o
144. tor power Motor voltage code divide by 12 to convert to HP see below Available code numbers are listed on pages 32 33 Compressor reference indicated on the MT Z 64 HM 4 B VE z compressor nameplate Compressor type Option code Oil equalization port and sight glass Polyolester oil Generation index Motor voltage code 208 230 V 1 ph 60 Hz 3 200 230 V 3 ph 60 Hz 4 400V 3 ph 50 Hz 460V 3 ph 60 Hz Motor power divide by 12 to convert to HP 5 230V 1ph 50Hz 6 230V 3 ph 50Hz Displacement code 7 500V 3 ph 50Hz see page 5 575V 3 ph 60 Hz 9 380V 3ph 60Hz Versions S version standard VE version optional Models Oil sight glass O equalization sight glass Oil equalization 2018 040 1 threaded 3 8 flare 2044 081 2 threaded 3 8 flare 2100 160 4 cyl brazed threaded 3 8 flare SPECIFICATIONS Technical specifications Displacement en inel Available motor voltage codes Compressor herge weight wie Code invrev 9 a Ibs 2018 1 84 231 1 32 46 e e e e o 2022 Jc 2 33 291 1 32 46 e e e gt MT MTZO28 JE 293 367 1 32 51 e e e e MT MTZ032 JF 329 411 1 32 53 e e e e
145. urface using a combination of any two disconnect electrical power to the unit before and during installa more of the slotted holes located on the back of the control case The tion DO NOT restore electrical power to unit until he control is contro components not positon sensitive but should be mounted properly installed and the cover is assembled DO NOT locate the that they can be easily wired and adjusted Avold excessive conditions of control in an explosive atmosphere as a safety hazard can result moisture dirt dust and corrosive atmosphere due to possible spark generation in the control Controls are not to be located in areas of significant moisture dirt or dust or ina The ETC has provisions for 1 2 inch conduit connections The conduit hub corrosive explosive atmosphere Use of contro in such environ should be secured to the conduit before securing the hub to the plastic ments may result in injury or damage to the persons or property housing of the control When using the conduit entry in the rear of the case or both and are likely to shorten the control life a standard plug should be inserted into the conduit hole in the bottom Ranco assumes no responsibility for any such use Caution should be exercised not to damage the control circuit board or wiring when installing a conduit connector 0 63 1 15 248 KNOCK OUT FOR 0 50 DIA CONDUIT TRADE SIZE 0 99 0 50 DIA HOLE CONDUIT TR
146. ustomer or any other person arises out of these instructions 4 Ranco ETC controls have been approved by Underwniters Laboratories as UL Listed however approval does not extend to their use for any other purpose Ranco assumes no responsibility for any unconventional application of its control unless such application has been approved in writing by Ranco 5 Itis the responsibility of the installer and the user to assure that his or its application and use of all Ranco products are in compliance with all federal state and local requirements including without any limitation all requirements imposed under the National Electric Code and any applicable building codes Page 11 PROPYLENE GLYCOL CHART Percent Percent Freezing Boiling Specific Specific Refractive Degrees by volume by weight point F point F Gravity Gravity Index Brix 9 60 60 F 40 60 77 20 20 6 20 214 1 021 1 026 1 3550 14 75 21 21 6 19 1 022 1 027 1 3561 15 50 24 22 6 18 1 023 1 028 1 3572 16 00 23 23 6 17 1 024 1 029 1 3583 16 75 24 24 5 16 215 1 025 1 031 1 3594 17 50 25 25 5 15 1 026 1 032 1 3605 18 25 26 26 5 14 1 027 1 033 1 3616 18 75 27 27 4 13 1 028 1 034 1 3627 19 50 28 28 4 12 1 029 1 035 1 3638 20 25 29 29 4 216 1 029 1 037 1 3649 21 00 30 30 3 9 1 030 1 038 1 3660 21 50 31 31 3 8 1 031 1 039 1 3671 22 25 32 323 2 1 032 1 040 1 3682 22 15 A 33 3 5 1 033 1 041 1 3693 23 50 34 34 3 4 217 1 034 1 042 1 3703 24 00 35 35 3 2

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