INSTALLATION OPERATION AND SERVICE MANUAL
Contents
1. 680 _ l 50 63 4 water inlet G3 4 water outlet 118 j lap X NS A Drainage Hole is for external drain 280 980 brackets X SF Mee 100 branch duct _ 167 HYDRONIC CASSETTE 432. 680 l 1240 2 Drainage 100 branch duct 50 025 118 FR T d 7 7 af it 5 tas N dp 128 T A Ji d N i W Gi water inlet 63 dieta mioa Hole is for external drain pan m 20 Fresh air flange 580 632 Mounting bracket 1140 1240680 11405580 HYDRONIC CASSETTE 44 PCG 12 16 VS 1
3. 1010 13 05 57 9 1118 17 6 12 50 58 1 1071 16 3 11 72 58 9 1004 14 5 10 94 59 7 937 12 7 in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 16 THE INSTALLATION MANUAL HOT amp CHILLED WATER SYSTEM AIR CONDITIONERS First check the contents of the package FACTORY SUPPLIED ACCESSORIES Check to ensure all factory supplied accessories are supplied with the unit FACTORY SUPPLIED ACCESSORIES MOUNT LCD Remote control Mounting Bracket Already on the unit d Installation manual Batteries External drain pan D The appliance should be installed in accordance with national wiring regulation SAFETY CONSIDERATIONS 1 When working on air conditioning equipment observe precautions in this manual and on plates and tables attached to the unit Follow all safety codes and other safety precautions that may apply 2 Installing and servicing air conditioning equipment should be done by trained and qualified service personnel only Untrained personnel can perform only basic maintenance functions such as cleaning coils filters and replacing filters 3 Ensure that the electrical supply and frequency are adequate for the operating current
4. Bureau HYDRONIC CASSETTE 67 MALFUNCTION CAUSE REMEDY Check for presence of voltage The fan coil does No voltage not start up Mains switch in the OFF Place in the ON position Faulty room control Check the room control Faulty fan Check fan motor Insufficient output Filter clogged Clean the filter Air flow obstructed Remove obstacles Room control regulation Check Incorrect water temperature Check Air present Vent Noise and vibrations Check Contact between metal parts Loose screws Tighten screws HYDRONIC CASSETTE 68 Appendix MASTER AND SLAVE UNIT FUNCTION The control PCB can be set either as a master unit or slave unit 2 A 1 MASTER UNIT FUNCTION a The master unit sends data on its setting to the slave unit b The master unit settings are Unit ON OFF Mode Fan Speed Set Temperature Swing Function and Sleep Function for handset operation c The master unit settings are Unit ON OFF Mode Fan Speed Set Temperature Swing Function Sleep Function and Weekly Timer ON OFF program for wall pad operation 2 A 2 SLAVE UNIT FUNCTION a The slave unit receives data on its settings from the master unit b The slave unit is allowed to change to a locally desired setting by local controller as long as there are no subsequent changes to the settings of the master unit c The slave units can be set individually for timer on and off funct
5. Saturday IR i ND ORAL Infra red reception 00 FAN DRY HEAT AUTO SLEEP SWING To receive wireless handset signal 62 Aun AUTO 88 8 Key lock SUN MON TUE WED THU FRI SAT HEATER ON DITI ERR X Timer display area Display on off timer or real time clock RTC OFF f at UNI i 5 111 5 ON On timer Global control by master in networking mode timer Day button DAY select day of week Sunday to Saturday Or used in weekly on off timer TIMER gt programming to select day of week TIME MODE PARAMETER Net button for networking control NET CANCEL SLEEP FRESH Time setting button To adjust the RTC setting or to be used in timer On Off programming to adjust timer setting Timer button Mode button Fan speed button Timer cancel button To cancel on off timer setting in timer programming mode Press to activate on off timer programming mode Press to select cool fan dry heat or auto cool heat operation mode for 4 pipe system only Press to select low medium or high speed 49 Medium High Unit display area Display Unit address ERR Error display UNIT amp Address display On Off button Press once to start operation Press again to stop operation Room temperature setting button Parameter and buttons to browse various parameters Swing and Fresh buttons for global control mode setting Sleep but
6. 10110 __ 110 1 128 Slave 00 29 Slave _ 1 11 7 1 10 11 30 Slave A un n 1 0 Sa 70
7. 2 36 MTV1 AUX1 and fan will be turned on or off according to HEAT mode gt fTi1 36 MTV1 AUX2 and fan will be turned on or off according to COOL mode 2 It will then stay at the above AUTO COOL or AUTO HEAT mode throughout the operating cycle until user change the mode manually or turn off and on the unit 3 Should there be failure of sensor auto mode is not allowed WITH ELECTRIC HEATER AS PRIMARY HEAT SOURCE 1 If current running mode is auto cool mode it will change over to auto heat mode upon satisfy all the conditions below gt Ts Tr 1 0 C or 4 C if economy contact is activated gt MTV1 has stopz 10 min 2 If current running mode is auto heat mode it will change over to auto cool mode upon satisfy all the conditions below gt Tr Ts 1 0 C or 4 C if economy contact is activated gt MTV1 has stopz 10 min Note Auto cool or auto heat operation are the same as cool or heat mode respectively 2 2 Without Motorized Valve COOL MODE i Heater AUX1 MTV1 and MTV2 always off ii If Tr gt Ts 1 C or 4 C if economy contact is activated cool operation is activated AUX2 is Indoor fan runs at set speed ii If Tr lt Ts cool operation is terminated AUX2 is off Indoor fan is turned off iv The range of Ts is16 30 C v Indoor fan speed can be adjusted for low medium high and auto vi When the unit is turned off indoor fan will delay for 5 seconds before it is turned o
8. 26 se van e eo 5 veo lt 2 eo ors sen 1 wo s 55 279 221 o or on vor 1 98 13958 eo an 165 ron ne nz er ee vor or se zo uo roo ven rar vae wo sen o 220 or s e eror wo ven vos aon or ao vo zoo zoo vo o se 5 8 ez uo ren Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement PCG 06 VS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 pepe pom o Pe Tw n ow 1 e Tow ope ow PP n Ov Le perfe e epe m wr mr e ere Fer Ler o e wem prp e en Ese 296 214 wo or ser es o on soo zer vr ve 22 om er zen ao ws ers 99 Ese ses om ro son vas 59 ers fase s o vo eor zs ao es rer o Pe 56 240 206 o on 5 252 2 vo mo evo z
9. 125 132 49 3618 3 728 384 86 09891 1 032 107 52 3 225 3 326 343 89 0 8998 0 9401 0 9818 53 3 105 3 04 3 305 90 0 8721 0 9115 09522 59 2483 2568 2655 96 0 7258 0 7599 0 7953 __6 2394 2477 2562 97 07043 0 7376 0 7722 ___61 2 09 239 2472 98 0 6836 0 7161 0 7499 62 2227 2 306 2 386 99 06635 0 6953 0 7283 __6 1931 2002 2075 103 059 0619 0 6491 68 1 801 1 868 1 937 105 0 5569 0 5846 0 6134 __6 1739 1805 14872 70 16 174 181 D 71 162 1686 175 72 1569 163 162 73 151 156 1637 74 1466 1524 1563 o HYDRONIC CASSETTE 65 CONTROL AND POWER SUPPLY WIRING DIAGRAMS DIP A SW1 5 Set slave address DIP A SW6 Close for masrer open for slave TERMINAL DIP 5 7 8 Set cool heat EH configura tion DIP SW1 Close for window contact open for economy mode DIP B SW2 Close for 4 pipe open for 2 pipe DIP B SW3 Close for 36 preheat tempera ture open for 28 preheat temperature DIP 8 SW4 Close for with MTV open for without MTV DIP B SW5 Reserve DIP B SW6 Close for last unit on RS485 communication bus Power supply VALVE1 Valve VALVE2 Valve Hot water WP Drainage pump HF Fa
10. 54 90 522 5 82 55 20 498 5 54 55 50 474 rato erso ass 7 1 509 991481 sal att 497 sooo sr 89 in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 13 two qa PF aw Pr Tao v Pr ow dew Pr Tad H 650 406 3720 696 67 3750 65 73 sas 13 90 sra 64 300 5820 5 49 50 888 5310 733 95 560 700 5400 737 5440 632 T3 o em 775 5460 em 1740185101 ros 56 68 672 sem 576 590 7 26 56 00 622 6 92 56 20 593 6 58 56 40 564 6 24 56 60 535 in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement PCG 08 VS 18 C TAI 20 C TAI 22 C TAI 24 C two qa PF 189 Ow dw Pr Tad Ow dew Pr Tad dew Pr Tad Qv so sr 445 oro 629 102 3 8 65
11. SS 600 x 1160 Dimensions for opening 750 x 632 Suspension Bolts MODELS PCG 09 12 16 FIG 6 HYDRONIC CASSETTE 20 OPENING DIMENSIONS AND POSITIONS FOR SUSPENSION BOLTS 2 3 4 10 11 Mark position of suspension rods water lines and condensate drain pipe power supply cables and remote control cable Supporting rods can be fixed depending on the type of ceiling as shown in Fig 7 and Fig 8 Fit suspension brackets supplied with the unit to the threaded rods Fig 9 Do not tighten nuts and counter nuts this operation has to be done only after final leveling of the unit when all the connections have been completed Wooden structure Concrete x Washer suspension rods M8 a Washer Fixing on cement ceiling Fixing on wooden beam Counternut Ensure the ceiling is horizontally level otherwise condensate water cannot drain The casing is fixed to the slab with 4 drop rods The rods should have two nuts and washers to lock the unit in position The Cassette brackets will then hook over the washers When lifting the Cassette into position care should be taken not to lift the unit by the drip tray which could be damaged Lift unit without the air panel with care by its four corners only Do not lift unit by the condensate drain discharge pipe or by the piping connections Incline unit Fig 10 Fi
12. the electrical heater is kept original state If Ti1 gt 45 C the electrical heater is turned off 5 of Ts is 16 30 6 Indoor fan speed can be adjusted for low medium high and auto ii PRE HEAT WITHOUT ELECTRICAL HEATER 1 MTV1 MTV2 and AUX2 are off 2 IfTi1 36 or 28C depends on DIP setting AUX1 is on while indoor fan remains off 3 If Ti1 gt 38 C or30C depends on DIP setting AUX1 is on while indoor fan runs at set speed 4 If indoor coil temperature sensor is damaged pre heat time is set for 2 minutes and indoor fan runs at set speed iv PRE HEAT WITH ELECTRICAL HEATER 1 Indoor fan will turn on after the electrical heater is turned on for 10 seconds v POST HEAT WITH AND WITHOUT ELECTRICAL HEATER 1 AUXI is off Electrical heater is turned off 2 Indoor fan will turned off after the unit is turned off 20sec AUX1 is off vi OVER HEAT PROTECTION OF INDOOR COIL 1 IfTi1 gt 75 C AUX1 is turned off indoor fan remains on and runs at high speed 2 If Ti1 lt 70 C 1 is turned on indoor fan remains and runs at set speed 3 indoor coil temperature sensor is damaged the protection mode will become obsolete and the unit Will work as the Pre heat and Post heat set times DEHUMIDIFICATION MODE 1 MTV1 MTV2 AUX1 and heater always off 2 If Tr gt 25 C indoor fan and AUX2 will be ON for minutes and OFF for 4 minutes 3 If 16 C lt
13. 3 9 86 56 9 845 19 5 9 44 57 3 809 16 1 9 02 57 7 773 16 7 Air in temperature Fluid in temperature Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement PCG 12 VS TAI 18 C TAI 20 C TAI 22C TAI 24 C ee T s oss wo vro one 409 183 549 sos 86 rar 452 385 1430 9 10 37 6 780 I 8 38 38 1 718 7 64 38 5 654 6 65 6 90 38 9 590 5 44 40 eo 56 403 553 49 588 405 5 414 407 ass 330 70 60 1220 14 80 55 5 1268 21 8 14 16 55 6 1213 20 2 13 50 56 1 1157 18 5 12 84 56 4 1101 16 8 se 1270 se 1088 7212 sez 1036 152 7156 584 990 14 1100 58 8 942 128 in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 15 two aw Pr Tad ow Pr Tad ow dew Pr Tad T woo 1033 685 952 372 816 100 864 377 740 776 382 68 Up ve
14. TABLES PCG 03 VS TAI 18 C TAI 20 C TAI 22 C TAI 24 C Twi Two qa Pf Tad Tad dPw Pf Tad Pf Tad C m3 h C kPa C C 45 40 402 2 71 38 6 464 0 7 2 2 47 39 0 423 0 2 23 39 1 362 0 1 99 39 2 341 0 332 2 47 40 9 211 0 1 7 2 28 41 2 195 0 2 07 41 3 177 4 1 86 41 4 159 8 Las sm sss so sas 73 2 sos es 4 sos 89 513 64 aoz 4210 seo 59 893 50 332 4 6 3620 so 000 wo 47 660 soo 43 ses 520 39 in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement PCG 04 VS TAI 18 C TAI 20 C TAI 22 C TAI 24 C eee ee a ee Pm ses 3546 ar ae aar 3020 sen 296 SF va we T so 275 rr ass 22 2940 55 nns 2920 600 3 80 37 20 325 I 3 46 37 80 296 3 15 36 20 270 2 64 36 60 244 80 oss 117 ose ssro ses 108 628 soo son 92 T a0 70 60 540 6 40 54 60 549 10 0 6 10
15. Upon reception of master global commands all slave unit settings will be replaced by the master settings Addressable communication Master controller must be LCD wall pad Slave unit parameters are set as usual Upon receiving the control commands from a master the addressed slave unit settings will be replaced by the master settings If master unit is equipped with wireless LCD handset only it can only use Global Control communication method If it is equipped with LCD wall pad it can use both communication methods DIP1 used for master slave address setting DIP switch address setting 1 for ON 0 for OFF 1 o jo 01 Master _ jo Slave _ o jo jo 1 _ 010 jo 1 jO 03 o JO jo _ 1 J1 _ 04 Slave 10 10 1 10 05 10 10 f1 10 1 06 10 10 11 f JSlae 10 10 1 1 1 08 10 1 10 JO 0o Sae p spo 11 40 10 1 10 1 1 __ 0 1 10 1 11 12 __ 01 10 13 Slave 1 1 14 Slave 11 15 Slave HH 1 6 Slave _ 101011 Slave HYDRONIC CASSETTE o 10 jo 11 18 Save o 10 1 JO 19 5 _ 10 J1 J1 20 Save 101110 0 21 Slave 0 1 Jo 1 12 Slave 01110 23 Slave 10111 1114 Slave _ 1 11 10 10 jO 15 Slave 1 11 10 10 11 26 Slave
16. on the PCB one with 8 Dip switches which named as DIP Switch A and one with 6 Dip switches which named as DIP Switch B For master slave connection setting please refer to Appendix I DIP Switch SW1 SW6 is used for master slave address setting DIP switch address setting 1 for ON 0 for OFF SW7 O CoolHeat O Coolingonly Cool primary heater DIP Switch B is used for model configuration as follow DIP switch setting 1 for ON O for OFF W1 PR O contact setting Window contact W2 System setting 2 pipes system 4 pipes system SW3 Preheat setting 28C 36C WA TV setting applicable to 2 pipes system only ithout motorized valve ith motorized valve W5 Reserved W6 RS485 termination setting ther than below ast unit on RS485 communication bus DJO HYDRONIC CASSETTE 30 MOUNTING FRONT PANEL ASSEMBLY 1 Remove return grille from front panel 2 Move the front panel to casing 3 Tighten 4 screws as shown in Fig 28 29 Fig 29 FILTER REMOVAL 1 Unlock the two fasteners on the front panel 2 Open the grille downward with care 3 Pull the filter out along the slot 4 Clean the filter and reassemble PCG 03 04 06 08 PCG 09 12 16 HYDRONIC CASSETTE 31 PRELIMINARY CHECKS BEFORE START UP 1 The unit should not be started up until the system piping has been cleaned and all the air has been purged 2 Check condensate d
17. production process we maintain strict control originating with our extensive resources in research and development through to the design and manufacture of almost every individual component from molded plastics to the assembly of units and controllers Quality Controlled from Start to Finish Our highly trained staff and strict quality control methods enable us to produce products with an exceptional reputation for reliability and efficiency maintained over many years As well as full CE certification and ISO 9001 several products have UL CSA NRTL safety approval plus ARI Certification in the USA ROHS compliance for Europe giving you the confidence of knowing our company is the right choice when selecting air conditioning equipment HYDRONIC CASSETTE INDEX PCG VS SERIES 2 PIPE HYDRONIC CASSETTES A B CASSETTE MODEL ASSIGNMENTS SPECIFICATIONS a Coil data b COOLING CAPACITY TABLES c ETHYLENE GLYCOL SOLUTIONS d HEATING CAPACITY TABLE INSTALLATION MANUAL SAFETY CONSIDERATIONS OPERATING LIMITS BEFORE INSTALLATION SELECT LOCATION INSTALLATION LOCATION INSTALLATION METHOD OPENING DIMENSIONS AND POSITIONS FOR SUSPENSION BOLTS DRAIN PIPE WORK WATER CONNECTIONS VALVE CONFIGURATION EXTERNAL DRAIN PAN FRESH AIR RENEWAL CONNECTION BRANCH DUCT CONNECTION INTERCONNECTING WIRING CONTROL BOX CONFIGURATION MOUNTING FRONT PANEL ASSEMBLY FILTER REMOVAL MAINTENANCE HOW TO ACCESS AIR VENT AN
18. with wall pad only Error message can be found in both LED lights on unit body please refer to table 1 and wall pad error indication Please refer to page 52 Error Indication Note If the address of slave unit is not set refer to appendix 1 LED lights and Wall pad of the master unit will not show the status of the defective slave unit Without Master Slave connection For unit with handset only Table 2 For unit with wall pad only Error message can be found in both LED lights on the unit body please refer to table 2 and on the wall pad error indication Please refer to page 52 Error Indication HYDRONIC CASSETTE 63 SENSOR RESISTANCE R T CONVERSION TABLE R25 10K Q1 B25 85 39774190 Rmin Rnom Rmax KE p P G 0 m Ky J 0 O 30 174 182 7 191 8 T aso B 9 1694 115 1799 s 2485 2559 2634 8 1536 1611 1689 6 2365 2435 250 6 1358 1422 1489 8 2145 2206 2268 1278 1338 MO 9 2044 2101 2159 _ L9 stis 5312 5506 25 06 10 42 8 4851 503 5214 26 9374 957 976 7 4598 4766 4937 27 8969 916 9351 6 4361 4517 4677 28 8584 87 8 957 0 3193 3297 3402 234 6 633 6794 6 956 3 274 2829 2915 37 58 6 6151 HYDRONIC CASSETTE 64 R25 10 041 25 85 3977 1 4 769 4 901 5 034 1 241 1 292 1 344 195 4 6 48 46 80 120
19. 0 PP n Le e lt es w ww a lt e ww o e ep m puri e epe son oer sse 99 s 1 99 va sen o oen vas nz n ser co na saa en see sse nes ea vo non 724 o na eoo oos oro vor ifa os ron 250 091388 as ner ao so ws vo 470 eu oe sen eo ua vs wo s 89 sen 5 1s es on n sen 05 os oan eo oso Fro sss sss wo se om uso o o 15 ua os san eo oo Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 11 ETHYLENE GLYCOL SOLUTIONS Adding Ethylene Glycol to the water system so as to multiply the performance figures by the values given in the following table Freezing point 25 uza Percentage of ethylene glycol in weight 0 12 20 28 35 40 0 985 0 965 122 correction factor cooling capacity cQ correction factor flow rate cdp correction factor pressure drop HYDRONIC CASSETTE 12 HEATING CAPACITY
20. 03 IR receiver 19 external drain pan HYDRONIC CASSETTE 41 DIMENSIONAL DRAWINGS 680 680 _ 161 50 l i 03 4 water inlet G3 4 water outlet 118 Hole is for external drain pan Drainage f W 280 980 Mourn ny 580 _ 632 _ 100 branch duct 128 HYDRONIC CASSETTE 42 PCG 06 08 VS
21. 27 12 3 12 3 272 2 06 1 62 12 4 12 4 4 9 364 2 22 1 61 12 4 12 4 6 0 2 67 1 66 12 7 12 7 8 2 as ve sas se ss en 88 ase zr 87 ue va 168 am wo o er em rer esr ss vas voe 20 s 140 1s so o ou o e rin no es so ose ose wa ea ve o vm vor o wr m vs so en uo o ao ver wo oo Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 8 PCG 04 VS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 pepe om o Pe Tom n ow e perfe e e fe fee m wr e re Ferer o e es m prp e sax aer 00 co om or ver o on o or vas ve 22 ss e nz s mo n 232 20 204 ros o os so zoo vos s or 212 15 roo veo 17 oz sr sen 5 1s n z zer ves ens zen eo res vo zen vos mr o s e eo om n ver ovo zer eo o vez zer ve sr
22. 3 11 15 6 13 9 10 2 717 4 34 3 07 15 7 14 0 11 9 761 5 61 3 22 16 1 14 2 18 7 1010 ze aer wo 1 8 sn er o vo ar vo on se eno zen eo uo s E rer vae o re oae e no so zr per ver o on eo en o Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature l Note Design and specification are subject to change without prior notice for product improvement PCG 09 VS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 pepe o e Toe Tw aro ow Pe De 9 ow P D 8 eof ww ee jem pw wr e lt prep pur m e e es par re e pn Fee sss os oo re e se sen 122 o sen es oo eser 15 8 e eo 178 sen 92 os zs oe ve eo ron 1 Fe sse ose nen or 155 sen sos on s n er n vw sn ez v e sae as or e 89 eo por pr vr om 156 ser e s 22 Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate
23. 45 40 700 4 26 36 60 730 3 90 37 10 668 3 53 37 50 605 3 16 37 90 542 4 550 3 78 39 20 324 3 47 39 40 297 3 16 39 70 270 2 85 40 00 243 70 sso sso 56 60 sor 68 658 550 56 60 628 sr20 ss 55 598 5750 512 51 Air in temperature Fluid in temperature Pf Total heating capacity Fluid flow rate in heat exchanger Tad Discharge air temperature Pressure drop standard coil Air flow Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 14 two 96 aw Pr Tad v Pr Tad ow dew Pr Tad woo 365 1131 320 608 sro 1038 285 373 soo 237 490 sre o 18 9 io soo 576 067 256 525 900 we 183 427 732 147 e25 5 40 38 2 925 230 495 sas 646 197 388 769 166 403 eoo 155 sre 600 106 551 90 590 385 905 76 537 459 66 so 522 62 seo 71 1465 460 36 51 fs A 1100 1285 534 1084 306 12 12 540 1038 286 11 56 544 950 262 1 00 942 259 900 11 0 557 942 238 1052 560 901 219 104 564 660 203 956 568 8 9 87 825 10 34 56 6 886 21
24. 8 39 35 33 31 Power Supply V Ph Hz 230 1 50 Fan Motor Power 50 58 66 100 Fan Motor Running Current 0 22 0 26 0 44 Fan Motor Starting Current 0 66 0 77 1 33 Operation Control amp Thermostat Remote Control Handset amp Wired Wall Pad Water Flow Rate 601 732 1025 Water Pressure Drop 12 8 10 4 29 3 Water Content 1 25 1 56 2 22 Cond Drain Connection I D 19 05 3 4 585 585 585 1140 Dimensions W 585 585 585 580 580 580 D 250 290 290 250 290 290 Panel Dimensions 680 x 680 x 28 680 x 1240 x 28 Connection Method 002 Socket Threaded Female mm in 19 05 3 4 Connection mm in 19 05 3 4 Cooling 27 C db 19 C wb entering air temperature 7 C entering water 12 C leaving water temperature with water flow rates as above Heating 20 C db entering air temperature 50 C entering water temperature with water flow rates same as for the cooling test HYDRONIC CASSETTE 7 COIL DATA Fin Height Fin Length mm Fins per No of No of Tube mm inch rows circuits Diameter PCG 03 04 VS 200 1196 1299 3 8 PCG 06 08 VS 250 1196 1299 3 8 PCG 09 VS 200 2148 2286 3 8 PCG 12 16 VS 250 2148 2286 13 2 6 3 8 COOLING CAPACITY TABLES PCG 03 VS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 pepe om o Pe Tow n 1 e D 0 PP n e perfe fon e epe m wr er e e re Ferer e e e m prp e 330 1 51 1
25. D WATER PURGE HOW TO CONNECT NON DEFAULT FAN SPEED HOW TO FIX THE MOTOR AND FAN BLOWER HOW TO FIX CONDENSATE PUMP AND INTERNAL VALVE HOW TO FIX CONTROL BOX HOW TO INSTALL ELECTRIC HEATER EXPLODED DRAWINGS WITH PARTS DESCRIPTIONS DIMENSIONAL DRAWINGS VALVE INFORMATION REMOTE CONTROL HANDSET WIRED WALL PAD CONTROL CONTROLS SPECIFICATION WITH MASTER SLAVE CONTROL SENSOR RESISTANCE R T CONVERSION TABLE CONTROL AND POWER SUPPLY WIRING DIAGRAM MASTER SLAVE CONTROL WIRING DIAGRAM TROUBLE SHOOTING APPENDIX I MASTER SLAVE COMMUNICATION SETTING 20 22 23 24 25 25 26 26 27 28 29 30 31 32 32 33 34 35 36 37 38 39 40 41 44 45 46 47 48 49 52 53 62 63 64 65 66 67 68 70 HYDRONIC CASSETTE 4 CASSETTE MODEL ASSIGNMENTS PCG 04 V 5 230V 1PH 50HZ CHILLED HOT WATER 2 PIPE i JNOMINAL 340 KW 7706 JNOMINAL 426 KW 77087 NOMINAL 473 KW _ O NOMINAL 5 80 KW NOMINAL 7 76 KW NOMINAL 8 58 KW PCG HYDRONIC CASSETTE G SERIES HYDRONIC CASSETTE 5 PCG VS 2 PIPE SERIES 3 SPEED SPECIFICATIONS moet POGOe 648 1 5 66 790 56 we 125 159 o HEBR GE 8 Kw Cooling Capacity 269 so se se s ee em Kw Sensible Cooling Capacity 255 295 408 368 me 700 Noise Level 1 M H M L z 38 36 34 39 37 35 43 41 39 46 41 36 40 38 36 48 42 40 49 43 41 Power Supply a Fan
26. DRONIC CASSETTE 34 HOW TO FIX THE MOTOR AND FAN BLOWER 2 STEP remove the finger guard by removing 4 screws Wi Waqar 1111 3 STEP remove the finger guard and Venturi 4 STEP remove fan blower using a spanner Mi jin 5 STEP remove the motor by removing 4 bolts and disconnect fan motor wire connector HYDRONIC CASSETTE 35 HOW TO FIX CONDENSATE PUMP AND INTERNAL VALVE 1 STEP remove the grill 2 STEP remove the front panel by removing 4 screws 3 STEP remove the front panel by disconnecting 4 STEP removing the drain pan fixture by stepping motor and IR receiver removing 8 screws 5 STEP remove the drain pan fixture and 6 STEP remove the drain pump or valve internal drain pan HYDRONIC CASSETTE 36 HOW FIX CONTROL BOX 1 STEP remove the grill 2 STEP remove the front panel by removing 4 SCrews 3 STEP remove the front panel by disconnecting 4 STEP remove 2 screws on the control box stepping motor and IR receiver 6 STEP Remove the terminal cover by removing 4 5 STEP sliding out the control box screws and unplug the wiring on the terminal And replace with a new control box HYDRONIC CASSETTE 37 HOW INSTALL ELECTRIC HEATER 3 STEP remove the front panel by 4 STEP remove the drain pan fixture by removing 8 disconnecting stepping motor Screws and IR receiver V7 5 STEP remove internal drain pan fixture a
27. INSTALLATION OPERATION AND SERVICE MANUAL PCG VS SERIES 2 PIPE HYDRONIC CASSETTE AIR CONDITIONERS Zu 2010 V 1 1 c INVESTING IN QUALITY RELIABILITY amp PERFORMANCE ISO 9001 QUALITY 4 Every product 15 p manufactured to meet the ISO stringentrequirements of the internationally rn o 9 0 0 1 recognized ISO 2001 standard for quality gRW assurance in design development and production CE SAFETY STANDARDS All products conform to the Certificate Europe directives Machinery Safety Electromagnetic Compatibility and Low Voltage as required throughout the European Community to guarantee correct standards of safety WEEE MARK All products conform to the weee directive to guarantee correct standards of environmental solutions ALWAYS MAKE SURE THAT THIS MANUAL REMAINS WITH THE PCG VS WATER CASSETTE READ THIS MANUAL BEFORE PERFORMING ANY OPERATION ON THE PCG VS WATER CASSETTE World Leading Design and Technology Equipped with the latest CAD CAM computer aided design and manufacturing technology our factories in China and Thailand produce over 2 000 000 air conditioning units each year all conforming to the highest international standards of quality and safety The Highest Standards of Manufacturing In order to guarantee the very highest standards and performance we manage every stage in the manufacturing of our products Throughout the
28. If this contact is opened continuously 1sec heater must be cut off immediately and report error Once the contact is returned to close position 60sec reset the error and heater is allowed to cut in again Should EH safety switch be opened 3 times within 60 minutes heater is not allowed to cut in anymore Turn off the unit to reset the fault provided that the switch has returned to close position HYDRONIC CASSETTE 61 ERROR DESCRIPTION LED lights Indication with Master Slave Connection For unit with handset only Error message can be found in LED lights on unit body Table below indicate the error code for master and all slave unit Table 1 High speed Unit 7 failure Blink 7 times stop 3 sec Unit 8 failure Blink 8 times stop 3 sec Unit 9 failure Blink 9 times stop 3 sec Unit 10 failure Blink 10 times stop 3 sec Unit 11 failure Blink 11 times stop 3 sec For all units Yellow light Medial speed Yellow Led on For all units Green LED light Green LED ON Unit 17 failure Blink 17 times stop 3 sec Electrical heater failure Blink 1times stop 3 sec Indoor coil sensor 2 failure Blink 2 times stop 3 sec Return air sensor failure Blink 3 times stop 3 sec Indoor coil low temperature protection Blink 5 times stop 3 sec Indoor coil over heat protection Blink 6 times stop 3 sec Water pump failure Blink 7 times stop 3 sec Indoor coil sensor 1 failure Blink 4 times stop 3 sec HYDRONIC CASSETTE 62 For unit
29. Indoor fan runs 30 seconds and stop 3 minutes repeatedly If indoor coil temperature coil is damaged post heat time is set for 3 minutes with indoor fan running at set speed POST HEAT WITH ELECTRICAL HEATER Indoor fan will turn off after the unit off for 20 seconds OVER HEAT PROTECTION OF INDOOR COIL If gt 75 MTV1 and AUX1 are turned off indoor fan remains on and runs at high speed If lt 70 C MTV1 and AUX are turned on indoor fan remains on and runs at set speed HYDRONIC CASSETTE 56 3 If indoor coil temperature sensor is damaged the protection mode will become obsolete and the unit will work as the Pre heat and Post heat set times DEHUMIDIFICATION MODE 1 MTV2 AUX1 and heater always off 2 If gt 25 MTV1 and AUX2 will be ON for 3 minutes and OFF for 4 minutes 3 If169 C lt lt 25 MTV1 and AUX2 will be ON for 3 minutes and OFF for 6 minutes 4 If Tr 16 MTV1 and AUX2 will be turned off for 4 minutes At the end of the above dehumidification cycle system will decide the next dehumidification control option Indoor fan will run at low speed throughout the dehumidification process AUTOMODE i WITHOUT ELECTRICAL AND WITH ELECTRIC HEATER AS BOOSTER 1 Every time the unit is turned on MIV1 will be turned on while AUX1 AUX2 and fan are off MTV2 and heater always off After 120sec decide the subsequent operation mode as follow gt Ifthe coil temperature sensor
30. MotorPowr si Motor Power Operation Control amp Thermostat m Handset amp Wired Wall Pad Cooling Water Flow Rate Cooling Water Flow Rate Flow Rate 1025 1371 1516 Cooling Water Content Cooling Water Content Content Cond Drain Connection mm in 19 05 3 4 Dimensions Panel Dimensions L x W x H mm 680 680 28 680 1240 28 Connection Method Socket Threaded Female Water In 19 05 3 4 Connection Out 19 05 3 4 Cooling 27 C db 19 C wb entering air temperature 7 C entering water 12 C leaving water temperature with water flow rates as above Heating 20 C db entering air temperature 50 C entering water temperature with water flow rates same as for the cooling test HYDRONIC CASSETTE 6 PCG VS 2 PIPE SERIES 5 SPEED SPECIFICATIONS Model Pceo4 06 PCG 08 6 09 pce12 6 Number Of Fan Blowers Single Single Single Single Single Single 570 710 846 1080 1350 1650 370 648 708 738 1236 1350 iu ii N OO 5 A A Total Airflow m hr 300 600 648 600 200 350 450 400 3 40 4 13 5 80 2 30 3 80 4 34 Cooling Capacity 2 00 3 50 3 60 600 Sensible Cooling 2 1 ow S T gt Olas 54 gt A eGiolm 5 3 92 4 95 5 62 7 47 4 2 84 4 63 4 95 5 34 Heating Capacity 3 Kw 2 45 4 38 4 63 4 68 2 2 10 3 41 4 38 4 03 1 1 82 2 60 3 25 m 37134 32130 441401381321 4614414013
31. TN 33H H SSAA Tt 680 1240 520 03 4 water outlet 50 Drainage 118 25 X Fg Y d 100 Branch duct 135 gt Z FS X KTA d X ki B gt V KI b G3 4 water inlet a Hole is for external drain 150 Fresh air flange Z f 580 632 Mounting brackets TT 1240 680 ey dx odd eh Up Qe qus x 7 f Rn f PP 11404580 HYDRONIC CASSETTE 45 VALVE INFORMATION Valve Dimensions mm Valve Model V41T 3 Way 4 Outlet Valve Dif
32. Timer Press this button to cancel all timer settings 48 Sleep Press to activate the energy saving Sleep function which automatically adjusts the temperature to provide a more comfortable sleep ie for use in bedrooms On Off Press to switch on or off the air conditioner Louver Press this button to change louver angle to a fixed position 1 2 3 4 auto sweep or stop Swing Press this button to turn on or off swing function Clock Press down or up button for 2 seconds to activate The current clock setting will decrease or increase at 1 minute intervals on each press The speed of interval updating increases after 4 seconds of continuous key press It will update at high speed after 6 seconds of continuous key press Off Timer First press shows the last timer setting Subsequent pressing will change the timer setting in 1 minute intervals Hold down the Off button continuously to increase the updating speed When unit with handset is master settings are automatically sent to slaves Auto Cool Heat operation will be applicable in 4 pipe system only xxSwing is not applicable to PCG models WALL PAD DISPLAY Temperature display area HYDRONIC CASSETTE Operation display Display set or room temperature Day display area Dis play day of week SUN Sunday MON Monday TUE Tuesday WED Wednesday THU Thursday FRI Friday Fan speed display AUTO Auto fan 22 2 e Low AT 1
33. advisable to place the unit close to the installation site without removing it from the packaging Do not put heavy tools or weights on the packaging Upon receipt the unit and the packaging must be checked for damage sustained in transit and if necessary a damage claim must be filed with the shipping company Check immediately for installation accessories inside the packaging Do not lift unit by the condensate drain discharge pipe by the water connections lift it by the four corners Fig 1 Check and note the unit serial number SELECT LOCATION 1 2 3 Do not install the unit in rooms where flammable gas or alkaline acid substances are present Aluminum copper coils and or internal plastic components can be damaged irreparably Do not install in workshops or kitchens oil vapors drawn in by treated air might deposit on the coils and alter their performance or damage the internal plastic parts of the unit Installation of the unit will be facilitated by using a stacker and inserting a plywood sheet between the unit and the elevated stacker Fig 2 It is recommended to position the unit as centrally as possible in the room to ensure optimum air distribution Fig 3 Generally the best louver position is the one which allows air diffusion along the ceiling Alternatively intermediate positions can be selected Check that it is possible to remove panels from ceiling in the selected position to allow enough clearance for mai
34. and AUX2 are turned off 2 Indoor fan speed can be adjusted for low medium and high HYDRONIC CASSETTE 55 HEAT MODE i 1 2 3 4 5 6 T ii 1 2 3 vi 1 2 3 4 vii 1 viii 1 2 HEAT MODE WITHOUT ELECTRICAL HEATER MTV2 AUX2 and heater always off If Tr lt Ts 1 or 4 if economy contact is activated heat operation is activated MTV1 and AUX1 are turned on Indoor fan runs at the set speed If Tr gt Ts heat operation is terminated MTV1 and AUX1 are turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 minutes The range of Ts is 16 30 C Indoor fan speed can be adjusted for low medium high and auto MTV1 will delay for 30 seconds before it is turned on MTV1 will delay for 120 seconds before it is turned off HEAT MODE WITH ELECTRICAL HEATER AS BOOSTER MTV2 and 2 are always off If Tr lt Ts 1 or 4 if economy contact is activated heat operation is activated MTV1 and AUXA are turned on Indoor fan runs at the set speed If Tr gt Ts heat operation is terminated MTV1 and AUX1 are turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 minutes If Ti1 40 C the electrical heater is turned on If 40 lt Ti1 lt 45 C the electrical heater is kept original state If Ti1 gt 45 C the electrical heater is turned off The range of Ts 1 16 30 Indoor
35. ated dia 4 in with anti condensate material fiberglass 12 25 mm thickness Order flanges spigots and blanking plates as accessories separately Branch duct flange optional Fresh air flange optional A 2 2 a 1 E L 7 x N hal u B J NN AL Nos s Ms 7 IN A t BRANCH DUCT DIMENSION Fig 26 HYDRONIC CASSETTE BRANCH DUCT INSTALLATION Tapping Screw Dia 3 mm x12 100 00 27 Look for the yellow sticker the for location of branch duct or fresh air intake connections The sticker is at the center of a knock out hole underneath the casing insulation Use a cutter and follow along the pre cut circular marking as shown and trim off the insulation Knock out the pre cut hole Connect the flange on to the opening with mm x 12 mm tapping screws C2 C Q3 00mm x4 Holes HYDRONIC CASSETTE 28 INTERCONNECTING WIRING We recommend that screened cable used in electrically noisy areas 1 2 3 a Always separate l
36. e contact DIP SWITCH IS ON Window contact The contact is normally open If the contact has been closed for 10 minutes the unit will go to stand by mode all output signals will be disabled When the contact is open again the unit will resume running normally SIECHDSDOY DIP SWITCH IS OFF Economy contact Cooling operation will only be activated when Tr Ts gt 4 C If Tr lt Ts cool operation will be terminated Heating operation will only be activated when Tr Ts lt 4 C If Tr gt Ts heating operation will be terminated Digital input Float switch switch Float Float Voltage free NC Electrical heater w Voltage free NC The contact is closed before the switch EH is turned on Bhass Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m Power supply to the PCB and all the loads put connected to the voltage outputs Max length 5 Power supply to the PCB and all the loads connected to the voltage outputs Max length 5 m HYDRONIC CASSETTE 54 High fan speed HF Max length 5 m Voltage output L Medium fan speed MF Max length 5 m Voltage output L Low fan speed LF Max length 5 m Voltage output L Valve Water valve Chilled water valve Voltage output Voltage output L Voltage output L Hot water valve Water pump Voltage output L I of electrical heater Wallaqa sukan Voltage free contact To ensure the sensitivity of the C
37. eason clean or replace as necessary PROLONGED UNIT SHUT DOWN 1 Prior to restarting the unit 2 Clean or replace the air filters 3 Check and remove any obstruction from the external drain pan and the internal drain pan EXTRA MAINTENANCE The electrical panel is easily accessible by removing the cover panel The inspection or replacement of internal components such as heat exchanger coil condensate Drain pump float switch involves the removal of the condensate drain pan See Fig 20 25 During the removal of the condensate drain pan protect the floor under the unit with a plastic sheet from condensate water that could be spilled 5 Remove fixing screws of the drain pan fixture and remove condensate drain pan with care The appliance is intended to be maintained by qualified service personnel and located at a height of not less than 2 5m m a HYDRONIC CASSETTE 32 HOW ACCESS AIR VENT AND WATER PURGE 2 STEP release the air vent water purge 1 STEP remove the grill air vent and water purge by loosen the screws are located at the pointed area HOW TO CONNECT NON DEFAULT FAN SPEED 3 STEP remove the finger guard and venturi 4 STEP Fan speed terminal is located in the area inside the red rectangle HYDRONIC CASSETTE 33 5 STEP change the fan speed wiring according to below wiring diagram cap BLUE GREEN RED ORANGE BROWN YELLOW NEUTRAL Lowest Low Medium High Highest HY
38. en er ns Ese ver ver wo os o fem 21 er z ov aro vo or vae 519 192 Pre ver vus e zer 2 52 zer aor s vo om om zer es Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 9 PCG 08 VS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 Pfs Tad Taw dPw Qw Pf Pfs Tad Taw dPw Qw Pf Pfs Tad dPw Pfs Tad Taw dPw ale Sie a alas 5 ne sar ae so o sa sm ax uz a sa ua sn go na z nz 846 4 04 2 86 13 6 11 9 10 4 727 5 27 3 50 14 2 12 1 16 6 948 5 63 3 46 14 3 12 2 18 7 1013 6 96 3 62 14 7 12 3 27 5 1252 6 700 3 37 2 52 12 8 11 8 7 5 606 4 36 3 06 13 3 12 0 11 6 786 4 68 3 04 13 4 12 1 13 4 844 5 73 3 20 13 7 12 2 19 3 1032 Eso sme ass ms sen 2e so rs zer s 58 sm sso err eo es s 89 646 2 89 2 46 15 0 13 6 5 7 520 3 96
39. exit key lock Only button is applicable in key lock mode 9 Swing Press to activate or deactivate swing function 6 Sleep SLEEP Press button to activate or deactivate sleep setting Sleep is valid in cool or heat modes only 7 Temperature setting Press or to enter into temperature setting mode temperature display area blinks indicating the current set temperature Press the above buttons to adjust the set temperature 8 Mode setting Press A button to change the operation mode 9 Fan speed setting C Press button to change the fan speed Only low speed is available dehumidification mode 10 On Off control Press RN to start or stop the air conditioner HYDRONIC CASSETTE 52 11 Networking Master Slave control only master unit wall pad can control other units on the network Press to enter into networking control mode Unit area blinking indicates the slave unit ES TIME JEN under control Press TME or to select the desired slave unit Units that are off will be bypassed automatically Parameters that can be controlled are on off timer weekly program set temperature mode fan speed swing and sleep Parameter operation methods are the same as above Press ONT button again to exit networking control mode ro WM s Hold down and buttons for 3 seconds to enter into global control mode lights up Repeat the same to exit global contro
40. fan speed can be adjusted for low medium high and auto MTV1 will delay for 30 seconds before it is turned on MTV1 will delay for 120 seconds before it is turned off HEAT MODE WITH ELECTRICAL HEATER AS PRIMARY HEAT SOURCE MTV1 MTV2 and 2 are always off If Tr lt Ts 1 or 4 if economy contact is activated heat operation is activated Electrical heater and AUX1 are turned on Indoor fan runs at set speed If Tr gt Ts heat operation is terminated Electrical heater and AUX1 are turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 minutes and repeats The range of Ts is 16 30 Indoor fan speed can be adjusted for low medium high and auto PRE HEAT WITHOUT ELECTRICAL HEATER If Ti1 36 or 28C depends on DIP setting when MTV1 and AUX1 are on indoor fan remains off If Ti12238 C or30C depends on DIP setting when MTV1 and AUX1 are on indoor fan runs at set speed If indoor coil temperature sensor is damaged pre heat time is set for 2 minutes and indoor fan runs at set speed PRE HEAT WITH ELECTRICAL HEATER Indoor fan will turn on after the electrical heater is turned on for 10 seconds POST HEAT WITHOUT ELECTRICAL HEATER 38 when MTV1 and AUX 1 are off indoor fan continues to run at set speed If 36 lt Ti1 238 C when MTV1 and 1 are off Indoor fan keeps original state If Ti1 lt 36 C when MTV1 and 1 are off
41. ferential Pressure Chart 1 5 2 5 KV m3 h 0 3 4 KV 1 6 DN 1 2 KV 1 0 HYDRONIC CASSETTE 46 T Dimensions mm 015 V41D15S160 51 2 47 19 5 D20 41 2 Way Valve Differential Pressure Chart 120 100 80 60 40 20 0 0 5 1 1 3 2 5 3 DN 3 4 KV 2 5 9 DN 1 2 KV 1 6 HYDRONIC CASSETTE 47 REMOTE CONTROL HANDSET WIRELESS LCD HANDSET DISPLAY Cool Dry Fan Heat Signal x lt Louver Clock i gt BH ON Timer Owor I OFF set Temperature HYDRONIC CASSETTE Adjust Set Temperature Press down or up button to decrease or increase the desired room temperature Note Temperature can not be set in Fan mode Mode Press this button to advance the mode in the following sequence Cool Dry Fan Heat Auto Cool Hea Both Gool and Heat MODE TIMER FUNCTION ON CANCEL OFF Fan Press this button to advance the fan speed as follows Auto Low Medium High Under Fan mode only low medium and high are available Under Dry mode fan speed will be inhibited and will not be displayed On Timer First press shows the last timer setting subsequent pressing will change the timer setting in 1 minute intervals Hold down the On button continuously to increase the updating speed Cancel
42. ff LOW TEMPERATURE PROTECTION OF INDOOR COIL 2 C for 2 minutes 2 is off If indoor fan runs at low speed it will run at medium speed If indoor fan runs at medium or high speed it will run at set speed ii 1 5 C for 2 minutes AUX2 is on Indoor fan runs at set speed FAN MODE 1 Indoor fan runs at the set speed while heater AUX1 AUX2 MTV1 and MTV2 are turned off 2 Indoor fan speed can be adjusted for low medium and high HYDRONIC CASSETTE 57 HEAT MODE i HEAT MODE WITHOUT ELECTRICAL HEATER 1 MTV1 MTV2 AUX2 and heater always off 2 If Tr lt Ts 1 C or 4 C if economy contact is activated heat operation is activated AUX1 is turned on Indoor fan runs at the set speed 3 f Tr gt Ts heat operation is terminated 1 is turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 minutes 4 The range of Ts is 16 30 5 Indoor fan speed can be adjusted for low medium high and auto i HEAT MODE WITH ELECTRICAL HEATER AS BOOSTER 1 MTV1 MTV2 and AUX2 are always off 2 If Tr lt Ts 1 C or 4 C if economy contact is activated heat operation is activated AUX1 is turned on Indoor fan runs at the set speed 3 f Tr gt Ts heat operation is terminated 1 is turned off Indoor fan repeatedly runs at low fan speed for 30 seconds and stops for 3 minutes 4 If Ti1 lt 40 C the electrical heater is turned on If 40 lt Ti1 45 C
43. g 11 Fig 13 Fig 14 and insert it into the false ceiling Insert the rods into the bracket slot With minimum height see table false ceilings it might be necessary to remove some T brackets of the false ceiling temporarily Using a level guide line up the unit with a spirit level and keep dimension between the body and the lower part of the false ceiling Fig 12 Fig 15 Line up the unit to the supporting bars of the false ceiling tightening the nuts and counter nuts of the threaded rods HYDRONIC CASSETTE 21 12 After connection of the condensate drain piping and piping connections check again that the unit is level FE Fig 10 Brockets T bor L 1 Brackets Fig 11 Fig 12 FALSE CEILING MODEL PCG 03 04 06 08 Amm 3 HYDRONIC CASSETTE 22 Fig 13 Brackets Fig 14 Fig 15 FALSE CEILIN 13 The spaces between the unit and ceiling can now be adjusted Use the drop rods to make the adjustment 14 Check to ensure the unit is level The drain will then automatically be lower than the rest of the drip tray 15 Tighten the nuts on the suspended rods HYDRONIC CASSETTE 23 DRAIN PIPE WORK INDOOR UNIT The unit is fitted with a condensate pump with 500 lift The unit is provided with 22 mm bore flexible hose 300 mm long The flexible hose should be fitted into a 22 mm O S polyvinyl tube and sealed The drain must be installed with a downward slope On com
44. in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement HYDRONIC CASSETTE 10 to tow ore ow 8 Pe n e D 0 PP n Ov eel ww fe lt fs m pr wr e e rpm e pm messe sz va ro veo ooo er oo oon ves o vro oem van on me ese se ao o sro tz aon 30 v 5 sen es oo me ser oss vo s o san soo o er o se n s v rro sen es 297 re sen ow wo EZ lt a 1s ron so 474 164 ow oso sen eo osa 89159 zer wo se er ser sar ise nez ee sor 200 160 so 7 vom ez sz 155 wwe Air in temperature Fluid in temperature Total cooling capacity Fluid flow rate in heat exchanger Sensible cooling capacity Pressure drop standard coil Discharge air dry bulb temperature Air flow Discharge air wet bulb temperature Note Design and specification are subject to change without prior notice for product improvement PCG 16 VS TAI DB24 C WB17 4 C TAI DB27 C WB19 C TAI DB27 C WB19 5 C TAI DB28 C WB21 Pe pepe ore ow m Tow aru ow Dn
45. ion by handset or wall pad The handset cannot override wall pad timer and clock setting When unit is power on buzzer responds as below With MTV The master unit will beep 3 times and the slave unit will beep once Without MTV The master unit will beep 4 times and the slave unit will beep twice 2 A 3 MASTER SLAVE INSTALLATION HANDSET AS MASTER CONTROL UNIT Connect all the units PCBs according to the wire color and type of connector Select the master unit by closing the SW6 DIP switch on the main PCB Ensure the SW6 DIP switch in the PCB of the slave unit is opened Switch on the units by connecting the main power supply e Using handset set the operation parameters for the Master unit which will automatically send the settings to the slave unit f Master unit will beep twice confirming receipt of commands while Slave unit will beep once a b d WALLPAD AS MASTER CONTROL UNIT a Connect all the units PCBs according to the wire color and type of connector b Select the master unit by closing the SW6 DIP switch on the main PCB c Ensure the SW6 DIP switch in the PCB of the slave unit is opened d Provide each slave unit an addressable code by closing SW1 SW5 DIP switch according to the DIP switch chart e Switch on the units by connecting the main power supply f Using the wall pad set the operation parameters for the Master unit which will send the setting to the slave units based on Global cont
46. l mode In global control mode the settings of the master unit will be broadcast to all the slave units 12 Unit operation parameters browsing FAN r aN Hold down and buttons for 3 seconds to enter into operation parameters browsing mode Unit display area shows the slave unit under browsing Slave unit selection method is the PARAMETER HUM I D I FY es same as in networking control PARAMETER 155 HUMIDIPY Or gt to browse various parameters as follow Wall pad display temperature area Wall pad display time area CANCEL Press button to exit 13 Error indication When faulty slave unit is detected Master unit display area shows the faulty unit address time area shows the error code and wall pad backlight changes to red color Should there be multiple units having problems addresses and error codes will be shown one after another Error code definition ndoor coil over heat protection Water pump faulty For system without master slave settings wall pad will indicate unit error codes as above HYDRONIC CASSETTE 53 CONTROL SPECIFICATIONS HOT AND CHILLED WATER CASSETTE WITH MASTER SLAVE CONTROL 1 ABBREVIATIONS AND DEFINITION OF INPUT amp OUTPUT PORTS Ts Setting temperature Tr Room air temperature Indoor coil temperature 101 112 Indoor coil temperature 102 MTV1 Cool Motorized valve MTV2 Heat Motorized valve AUX1 Hot water free contact AUX2 Cold water fre
47. lt 25 C indoor fan and AUX2 will be ON for 3 minutes and OFF for 6 minutes 4 If Tr lt 16 C indoor fan and AUX2 will be turned off for 4 minutes At the end of the above dehumidification cycle system will decide the next dehumidification control option Indoor fan will run at low speed throughout the dehumidification process AUTOMODE Not allowed SLEEP MODE a Sleep mode can only be set in cool or heat modes only b In cool mode after sleep mode is set the indoor fan will run at low speed and Ts will increase 2 during 2 hours C In heat mode after sleep mode is set the indoor fan will run at set speed and Ts will decrease 2 C during 2 hours d Changing of operation mode will cancel sleep mode HYDRONIC CASSETTE 58 The cool mode sleep profile is Set temperature Ts 2 0 Ts 1 0 0 5 Ts Hour Sleep on Sleep off The heat mode sleep profile is Set temperature Sleep off 15 Hour Ts 0 5 Ts 1 0 Ts 2 0 AUTO FAN SPEED In cool mode the fan speed cannot change until it has run at this speed for more then 30 seconds Fan speed is regulated according to the profile below Tr Ts 3C Medium Ts HYDRONIC CASSETTE 59 In heat mode fan speed cannot change until it has run at this speed for more then 30 seconds Ts 1C Ts 2C Ts 3C SWING LOUVER For remote handset Whenever indoor fan is running louver can swing or stop at the desired position Lo
48. n motor high speed MF Fan motor medium speed LF Fan motor low speed AUX1 Heating auxiliary contact AUX2 Cooling auxiliary contact PR O Remote on off contact CN1 2 Stepping motor CN3 Wall pad Hot water coil temperature sensor 4 pipe CN5 Coil temperature sensor CN6 Return air sensor ID receiver display 0 0 RE 8545 emote receiver display room temperature cool pipe temperature hot pipe temperature B B wall pad dund step moter3 4 _ j l S Ae tp 83 5 step moter1 2 TOO ODE 111 LLILLILLLI for electrical heater HYDRONIC 66 MASTER SLAVE CONTROL WIRING DIAGRAM Master unit TO slave unit ea 48 al al cunmmnna nannanan d gt gt gt KO tl dd NO 1 Il Ifl 8 Il E remote receiver display 1 CN7 52 CN 52 51 temperature CN6 JCN6 cool pipe temperature L 5 E CNS hot pipe temperature CN4 GPU CN4 CPU wall pad step moter3 4 step moter1 2 ig E 1 OE 20909 a ME
49. nd 6 STEP slide in the insulated ring of the electric internal drain pan heater to the electric heater mounting shown above HYDRONIC CASSETTE 38 7 STEP slide in the rest insulated rings of the 8 STEP Plug in the electric heater wiring to the electric heater to the electric heater connector shown above mounting shown above HYDRONIC CASSETTE 39 EXPLODED VIEW DRAWING PCG 03 04 06 08 VS 08 05 main PCB 08 05 02 hot water coil temperature sensor 10 electrical heater optional 13 drain pan fixture 07 coil and EH s fixture 18 01 stepping motor 2 corotation 18 02 stepping motor 2 reversion 20 remote handset and wired wall pad optional HYDRONIC CASSETTE 40 PCG 09 12 16 VS 01 casing 08 05 main PCB 02 3 way 4 ports valve optional G3 4 08 05 01 chilled water coil temperature sensor 03 mounting brackets 08 05 02 hot water coil temperature sensor 04 air flange optional 08 05 03 room temperature sensor 05 Condensate water pump 09 motor with capacitor 05 01 pump body 10 electrical heater optional 05 02 float switch 11 fan blower 05 03 flexible hose 1 12 drain pan with 3mm insulation 05 04 non return valve 13 drain pan fixture 05 05 flexible hose 2 14 finger guard 05 06 drainage head 15 Venturi 17 18 08 control system 08 01 back of control box 18 02 stepping motor 2 reversion 18
50. ng HYDRONIC CASSETTE 51 TIMER gt C Bap N 3 Press button again to enter into off timer programming mode Press button to select the required day of the week Master unit will then retrieve the setting from the selected slave unit and timer display area will show rEAd The off timer setting will be TIME shown upon reading the data successfully Press or TIME button to change the off timer setting TIMER 4 Upon completion of changing timer settings for the selected day press button again to exit timer programming mode The settings will then upload to the selected slave unit The next day of the week settings can be done only upon completion of sending data to the slave units Repeat steps 1 4 if setting is required for the next day of the week 5 In Global control mode CANCEL gt Pressing Master button for seconds will cancel all timer settings in slave units gt Timer settings will be broadcast to all slave units Clock synchronization by master unit is as follows TIME 1 Press TIM buttons for seconds to activate clock synchronization to all slave units Master wall pad will respond with a beeping sound 4 Key lock In order to prevent unauthorized access to the system setting a key lock function is provided to prevent mischief Hold down for seconds to activate key lock symbol lights up Repeat the same to
51. not use LCD wall pad will globally broadcast Note When button pressing is effective master unit buzzer will beep twice and slave unit beeps once DRAIN PUMP Drain pump turns on if thermostat cut in during cooling or dehumidification cooling cycle It will remain on for at least 5 minutes after thermostat cut out During mode change from cooling to non cooling mode water pump will on for minimum 5 minutes Warning If turn off the system by circuit breaker or main power supply the drain pump does not work after turn off FLOAT SWITCH Float switch open before turning on If float switch N C is opened before the unit is turned on MTV1 is off Drain pump and indoor fan will operate After float switch is closed MTV1 is on Float switch is opened when unit is on If float switch is opened continuously 2 5sec drain pump will work and MTV1 cut off When the float switch is closed the drain pump will run for additional 5 minutes If the float switch is opened for 10 minutes continuously MTV1 will remain off Indoor fan runs at set speed and system report error Float switch is opened when unit is off If the float switch is opened the drain pump will work When the float switch is closed the drain pump will run for additional 5 minutes If the float switch is opened for 10 minutes continuously system report error ELECTRIC HEATER SAFETY SWITCH Before the electrical heater is turned on the EH safety switch must be closed
52. ntenance and servicing operations Fig 3 HYDRONIC CASSETTE 18 INSTALLATION LOCATION INSTALL THE UNIT IN A POSITION 1 Having sufficient strength to carry the weight of the unit 2 Where the inlet and outlet grilles are not obstructed and the conditioned air is able to blow all over the room 3 From where condensate can be easily run to drain 4 Check the distance between the upper slab and false ceiling to ensure the unit will suit the distance See Fig 4 PCG 03 04 09 PCG 06 08 12 16 10 or more PIPE CONNECTIONS PIPE CONNECTION ELECTRICAL CONNECTION 5 Ensure there is sufficient space around the unit to service it See Fig 5 HYDRONIC CASSETTE CASSETTE UNIT 19 INSTALLATION METHOD Using the installation template open ceiling panels and install the suspension bolts as in Fig 6 below Fresh air flange optional 280 980 pa 632 ji 580 600 600 _ ii 632 600 x 600 Dimensions for opening 632 x 280 Suspension Bolts MODELS 03 04 06 08 1160 150 Fresh air flange optional ka
53. o 2 holes in the external drain pan Fig 21 e sure the drain pan is horizontal e Tighten the two screws and making sure the external drain pan is installed flush with the fixing plate Fig 22 When the installation is completed it is necessary to wrap connecting pipe with insulation to prevent leakage to ceiling tile EXTENDED DRAIN PAN MAIN DRAIN PAN FRESH AIR RENEWAL CONNECTION The fresh air system for PCG cassette allows up to 15 of unit airflow as fresh air intake per connection Maximum 2 fresh air connections per unit The corners of the cassette allow separate ductwork to be installed for outside air intake Fig 23 Cut and remove anti condensate insulating material Open the mounting plate Fig 24 Install the flanges to casing and fix it with 2 screws Flange is rectangular duct with dimension 110 x 55mm po IIS Fresh air flange optional 280 580 Fig 23 600 600 632 HYDRONIC CASSETTE 26 BRANCH DUCT CONNECTION The side opening allows separate ductwork to be installed for branch ducting Fig 26 Cut and remove anti condensate insulating material Install your flanges and conduits to casing Conduit can be flexible polyester with spring core or corrugated aluminium externally co
54. old water free contact AUX2 connection please make sure Max wiring length lt 30 m Voltage free contact To ensure the sensitivity of the Hot water free contact AUX1 connection please make sure Max wiring length lt 30 m In Modbus signal CN10 Terminals for local network serial connection Out Modbus signal CN11 2 CONTROL SYSTEM OPERATION 2 PIPES SYSTEM 2 1 With Motorized Valve COOL MODE 1 MTV2 AUX1 and heater always off 2 Tr gt Ts 1 C or 4 C if economy contact is activated cool operation is activated MTV1 and AUX2 are turned Indoor fan runs at set speed 3 If Tr lt Ts cool operation is terminated MTV1 and AUX2 are turned off Indoor fan runs at set speed 4 range of Ts is 16 30 C 5 Indoor fan speed can be adjusted for low medium high and auto 6 When turned on MTV1 requires 30 seconds before it is fully open 7 When turned off MTV1 requires 120 seconds before it is fully closed 8 When the unit is turned off indoor fan will delay for 5 seconds before it is turned off LOW TEMPERATURE PROTECTION OF INDOOR COIL 1 Mlit 2 C for 2 minutes MTV1 and AUX2 are turned off If indoor fan is set for low speed it will run at medium speed If it is set at medium or high speed it will keep running at the same speed 2 IfTi1 5 C for 2 minutes MTV1 and AUX2 are turned on Indoor fun runs at set speed FAN MODE 1 Indoor fan runs at the set speed while heater MTV1 MTV2 AUX1
55. ow voltage 5VDC signal wires from power line 230 VAC to avoid electro magnetic disturbance of control system Do not install the unit where electromagnetic waves are directly radiated at the infra red receiver on the unit Install the unit and components as far away as is practical at least 5 meters from the electromagnetic wave source Where electromagnetic waves exist use shielded sensor cable Install a noise filter if any harmful noise exists in the power supply Length of cable 40omm Fig 27 Important note Please ensure the cable of the main powers supply will be gt 500mm long from the control box terminal block This is to ensure the control box can be slide out easily during maintenance activities Wiring procedures Open the terminal block cover by removing 4 screws Connect L amp N cable to the terminal according to wiring diagram on page 63 Connect room temperature sensor coil temperature sensors to the control box Connect stepping motor Connect receiver display Connect wall pad optional Slide in the control box to the unit casing and fixed with 2 screws NOOB WD HYDRONIC CASSETTE 29 CONTORL BOX CONFIGURAITON a Plug and play control box with full functionality PCB please refer to wiring diagram on page 65 The PCB is a universal type with multiple configurations selectable using dipswitches Please provide dip switch setting according to below There are 2 DIP Switch sets
56. pletion the drain line should be insulated 500 mm Pu DOWN SLOPE Fig 16 WATER CONNECTIONS The hydraulic connections of the PCG unit is 3 4 water connection with gaskets it is advisable to tighten the gaskets with a spanner For piping dimensional drawing please refer to DIMENSIONAL DRAWINGS VALVE CONFIGURATION There are two types of valve configuration for PCG cassette a Internal integrated valve and b external valve a Pre installed 2 way and 3 way integrated valves Fig 17 Fig 17 Integrated valve information PCG 03 04 06 08 2 way amp 3 way PCG 09 12 16 2 way amp 3 way please refer to VALVE INFORMATION HYDRONIC CASSETTE 24 b External valves Replace integrated valve with plug and play replacement connector Procedures 1 Before connecting water supply to the PCG cassette First remove the integrated valve using spanner 2 Replace with plug and play connector Fig 18 3 Connect the external valve directly onto the cassette Disable integrated valve functionality using valve cap Procedures 1 Remove integrated valve actuator by pressing on both sides Fig 19 2 Place the valve cap onto the valve body Fig 20 3 Connect the external valve directly onto the cassette Fig 20 Fig 19 HYDRONIC CASSETTE 25 EXTERNAL DRAIN Procedures e Align the two 2 screw holes in the fixing plate to the tw
57. rain pipe slope 3 After you have connected the main power supply to the cassette unit it is necessary to check the good function of the condensate water pump which is installed inside Due to transport vibration it might be possible that the float switch is hung up and the pump might not work in the correct way For this reason you have to do the following to ensure good functioning of the unit Install the cassette unit in an absolute horizontal position Fill the internal drain pan manually with enough water to ensure the drain pump is working You can fill the drain pan by pouring water through the external drain pan If everything is correct the water will be pushed out into the pipe work you have installed If the valve does not open you have to make sure the float switch is not hung up inside the unit and you will have to loosen it by hand 7 sure that air filter is clean properly installed 8 Ensure that voltage and current values correspond with the unit nameplate values check electrical connections 9 Verify that air outlets are not closed MAINTENANCE 1 Before performing any service or maintenance operations turn off the main power switch 2 The air filter is made of acrylic fiber and is washable in water To remove filter simply open the intake grille by releasing the two catches See Fig 19 and the section filter removal 3 Check the filter periodically and before the operating s
58. required for this specific installation WARNING Before any service or maintenance operations turn off the main power switch 1 The manufacturer denies any responsibility and warranty shall be void if these installation instructions are not observed 2 Never switch off the power main supply when unit is operating in the cooling cycle To switch off the fan coil unit use only the ON OFF button 3 This avoids over flow in the drain pan by allowing the pump to drain any condensate water due to regulating valve losses when chiller is working OPERATING LIMITS 1 Power supply Vot Phase Hz Water circuit Minimum entering water temperature 2 C Maximum entering water temperature 80 C Water side maximum pressure 1400 kPa 142 m w c e e HYDRONIC CASSETTE 17 INSTALLATION The installation site must be established system designer other qualified professional taking account of the technical requisites and current standards and legislation fan coils must be installed by an authorized company only fan coils are designed for installation in a false ceiling for intake of fresh air from outside and for deviation of a small part of the treated air for discharge in a neighboring room They must be installed in such a way as to enable treated air to circulate throughout the room and in respect of the minimum distances required for technical maintenance operations It is
59. rol communication or Addressable communication methods For detail please see 2 A 6 MASTER SLAVE COMMUNICATION METHOD amp Wall pad operation item 11 Networking Master Slave control on page 52 g Master unit will beep twice confirming receipt of commands while Slave unit will beep once HYDRONIC CASSETTE 69 2 4 MASTER SLAVE CONFIGURATION Master unit close SW6 DIP switch before power on Master will beep twice to the LCD wireless handset or LCD wall pad confirming receipt of commands Each master can command up to 31 slave units Slave unit open SW6 DIP switch before power on Slave unit will beep once to the LCD wireless handset or LCD wall pad confirming receipt of commands Important note Data loggers are not applicable to Master Slave System 2 A 5 MASTER SLAVE CONTROL Above control PCB can receive data from both wireless LCD handset and wired wall pad Once wall pad is connected to the PCB receiver from the unit will stop receiving signal from wireless LCD handset LCD handset can only provide signal to Wall Pad receiver When wall pad is disconnected from the PCB for 5 seconds it will revert to wireless LCD handset reception automatically 2 A 6 MASTER SLAVE COMMUNICATION METHOD There are two modes for Master slave structure Global Control communication Master will broadcast the settings to all slave units During normal operation slave units can receive commands from its wireless handset and wall pad control panel
60. therwise the on timer setting will be shown Press or TIVE CANCEL button to change the on timer setting Press ___ key to cancel the current on timer selected D ka and the timer display area will show Press pa button to change the day the on timer is to be programmed CTER 1 Press button again and OFF symbol blinking indicates off timer programming mode The setting method is the same as on timer setting above TIMER Press button again to exit timer on off setting function Should there be any on or off timer being programmed light up Should there unexecuted on or off timer for the current day its corresponding ON or OFF icon will light up CANCEL down button for seconds to cancel all timer settings Timer set by master unit is as follows 1 Press button to enter into networking control mode Unit area blinking indicates the TIME N slave unit under control Press TIME Or to select the desired slave unit Units that are will be skipped automatically 2 Press 0 button once to enter into on timer programming mode Press 5 button to select the required day of the week Master unit will then retrieve the setting from the selected slave unit and timer display area will show rEAd The on timer setting will be TIME x TA shown upon reading the data successfullv Press V or TIME button to change the on timer setti
61. ton Press once to select sleep mode Press again to cancel sleep mode xix Wall pad will recognize the main board model automatically whether it is 2 pipes 4 pipes Auto Cool Heat operation will be applicable in 4 pipe system only When the wall pad is connected to the main board air sensor inside the wall pad will be automatically set as primary source and the return air sensor from the unit will be disabled HYDRONIC CASSETTE 50 WALL PAD OPERATION 1 Clock display and setting System has an accurate internal real time clock used for time indication and timer ON OFF function Real time clock display area indicates internal time clock which can be set by V TIME P Or TIME button 2 Day display and setting The wall pad has day display function which is used for day indication and timer ON OFF function C D 7 FN Day display icon indicates current day Press button to set day 3 Timer ON OFF setting If master unit is in global control mode and on off timer setting is reached master unit will command the whole network to be on or off Otherwise timer on off is effective to the local unit only The system supports 7 days on off timer setting a TIMER Press button once and ON symbol blinking indicates on timer programming mode day display area indicates the day for setting timer on If on timer for this day is null timer TIME Pa display area shows o
62. uver angle 0 100 opens clockwise with largest angle at 100 Swing angle 35 100 opens clockwise to 68 Below are the 4 fixed positions which can be set from wireless LCD handset NE NE 3o For wired wall pad Louver angle 0 100 opens clockwise and with biggest angle at 100 owing angle 35 100 opens clockwise to 68 User may stop louver at any desired poison between 35 100 BUZZER If a command is received by the air conditioner the master unit will respond with 2 beeps for each setting and the slave unit will respond with 1 beep AUTO RESTART The system uses non volatile memory to save the present operation parameters when system is turned off or in case of system failure or cessation of power supply Operation parameters are mode set temperature swing louver s position and the fan speed When power supply resumes or the system is switched on again the same operations as previously set will function HYDRONIC CASSETTE 60 OPERATION OF CONTROL PANEL ON HIGH WALL UNIT ON OFF SWITCH i This is a tact switch to select Cool Heat Off operation mode cool mode the set temperature of the system is 24 C with auto fan speed and swing There are no timer and sleep modes heat mode the set temperature of the system is 24 C with auto fan speed and swing There are no timer and sleep modes iv Master unit that does not use LCD wall pad will globally broadcast v Master unit that does
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