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Installation, Start-Up, and Service Instructions

1. N m bi SCHEMATIC FIELD 208 230 3 60 maximu wire ml MI BLK Di l W3 BLK OFT BLK BLK SIZE 2 AWG POWER f W2 YEL 7 Ke W4 YEL YEL OFM ES We CAP2 deli ae L BLK 3 arp e WI21 BLU EQUIP_GND 7 con L AAN W8 BLK T WITH AAN 3 ACCESSORY x SRN TEL 042 060 ONLY WT YEL COMP ELECT HEAT mmm H d OPTION ONLY Te BLK TO ETA Se 2 USED WITH e HEATER OPTIONS q Ly OIKD RED ECONNECT BLU NED SPEED 5 KW 030 060 ce mee 10KW 030 048 TO HTR L o MAX WIRE TT i YEL e YEL 2 AWG BRN WHT IEN 35 AMP FOR K W BLU TO HIR SE Exes a YEL 50 AMP FOR 15 K W a 012 dr GES d FU KTD To at 7 USED WITH 60 AMP_S 8 vm ACCESSORY Fu MI t j BLK TDR 1 3 FAN SEQUENCE ELECT HEAT 40 AMP S B OPTION ONLY FU3_KT3T0 T ra USED WITH mm wien AMP SB HI ENERGIZED ENERGIZED DE ENERGIZED HEATER OPTIONS 1 FU4 M2 YEL ee casa Talo MIN 10 K W 060 e 15 K W 024 060 aA e Si TO CYCLE 12 CTD T1 T2 COMPRESSOR DELAY 19 9 KW 042 069 w 2 HA Lwi 29 YEL CO gt m60 AMP SB wm 270 MAX WIRE ES Saki 0 5 SEE ein op SN BEET W25 GRN YEL W26 GRN YEL 4 castes ci ANE SA Le HEAT Z GRN YEL teat OPENS 20 K W SHO
2. Pp z de SCHEMATIC FIELD 208 230 1 60 MAXIMUM WIRE 9 WIBLK I W3 BLK BLK e BLK SIZE 2 AWG SUPPLY EE W2 YEL ZE om EE pu W4 YEL YEL OFM USED WITH POWER ER ACCESSORY EQUIP_GND Mieli ELECT HEAT ae ag sia a Star OPTION ONLY mie USED WITH iT BLK HEATER OPTIONS wm mmm BLK cch W8 BLK T 5 KW 024 042 _ D TO HTR RA 2 AWG MAX WIRE Rm z Lw7 YEL COMP wg l 2 eye 042 060 ONLY E TELER To HTR _9 BLU 30 AMP FOR WELLS E FUI amp FUA 7 TOR CONNECT BLU MED SPEED FOR mmm weii AMP S B HTR THK RED o YA 030 048 ONLY USED WITH FU2 Di BLK Se ACCESSORY 50 AMP S B YEL o YEL ELECT HEAT FU3 KW T BRN WHT IFM OPTION ONLY mmm mO 50 AMP S B io CAPI Ra USED WITH FU4 BRN HEATER OPTIONS 60 AMP sB FAEH ATR oT 5KW 048 060 air 7 oi W70 BLK VOKW 024 060 TOR 1 3 FAN SEQUENCE 270 MAX WIRE 50 AMPS Bo rg eie eg o E D Losch OPEN 60 AMP rop PS RO OTT avs SIGNED ERE 20 K W PSS IER tgs H 1 110 MIN ENERGIZED DE ENERGIZED USED WITH 1 LAST DFROST T 30 MAXIMUM 30 AMP S B HTR CYCLE T 50 Ee FUA Dl ao 1 90 CTD TI T2 COMPRESSOR DELAY OPTION ONLY 1 30 AMP S B HTR y Mio YEL Q3 09 a 145 MIN USED WITH mm O F05 KTO 3 2 AMP E 0 5 SECT GEM HEATER OPTIONS G0_AMP_S 8 vn MANUAL RESET HENAN VEL WeescGRNSTEL costes gts 15KW 030 060 CU Dececrt VEL GRN YEL GRN YEL TSAT 20KW 042 060 50 AMP S B HEAT L dy 2 0 MAX WIRE LE cp TRANI Eed O
3. Gasketing Gasketing outer flange outer flange Wood nailer Wood nailer Flashing field supplied Flashing field supplied Roofcurb Roofcurb Insulation field Insulation field supplied supplied Roofing material Roofing material field supplied field supplied Duct work field supplied gt gt Duct work field supplied Cant strip Cant strip field supplied field supplied Provided with roo Provided with roofcurb Roof Curb for Small Cabinet Roof Curb for Large Cabinet Note A When unit mounting screw is used Note A When unit mounting screw is used retainer bracket must also be used retainer bracket must also be used Supply opening BxC id RIA S A A Gasket around duct Insulated Gasket around di deck pan outer edge Insulated deck pan Long Support C00076 UNIT SIZE ODS CATALOG NUMBER ch D c D IN MM IN MM IN MM IN MM 602B024 036 CPRFCURB006A00 8 203 11 279 161 2 419 28 3 4 730 CPRFCURB007A00 14 356 11 279 161 2 419 28 3 4 730 602B042 060 CPRFCURB008A00 8 203 16 3 16 411 17 3 8 441 40 1 4 1022 CPRFCURB009A00 14 356 16 3 16 411 17 3 8 441 40 1 4 1022 NOTES 1 Roof curb must be set up for unit being installed 2 Seal strip must be applied as require
4. See Fig 21 6 Ensure that setscrew engages the flat area on the motor shaft when tightening 7 Replace grille V ELECTRICAL CONTROLS AND WIRING Inspect and check the electrical controls and wiring annually Be sure to turn off the electrical power to the unit Remove access panel to locate all the electrical controls and wiring Check all electrical connections for tightness Tighten all screw connections If any smoky or burned connections are noticed disassemble the connection clean all the parts restrip the wire end and reassemble the connection properly and securely After inspecting the electrical controls and wiring replace all the panels Start the unit and observe at least one complete cooling cycle to ensure proper operation If discrepancies are observed in operating cycle or if a suspected malfunction has occurred check each electrical component with the proper electrical instrumenta tion Refer to the unit wiring label when making these checkouts VI REFRIGERANT CIRCUIT Inspect all refrigerant tubing connections and the unit base for oil accumulation annually Detecting oil generally indicates a refrig erant leak If oil is detected or if low performance is suspected leak test all refrigerant tubing using an electronic leak detector or liquid soap solution If a refrigerant leak is detected refer to Check for Refrigerant Leaks section If no refrigerant leaks are found and low performance is suspected
5. refer to Checking and Adjusting Refrigerant Charge section C99097 Fig 32 Refrigerant Circuit VII INDOOR AIRFLOW The heating and or cooling airflow does not require checking unless improper performance is suspected If a problem exists be sure that all supply and return air grilles are open and free from obstructions and that the air filter is clean When necessary refer to Indoor Airflow and Airflow Adjustments section to check the system airflow Vill METERING DEVICES ACCURATER PISTON This metering device is a fixed orifice and is contained in the brass hex body in the liquid line feeding the indoor and outdoor coils 23 IX PRESSURE SWITCHES Pressure switches are protective devices wired into control circuit low voltage They shut off compressor if abnormally high or low pressures are present in the refrigeration circuit These pressure switches are specifically designed to operate with Puron R 410A systems R 22 pressure switches must not be used as replacements for the Puron R 410A system X LOSS OF CHARGE SWITCH This switch is located on the liquid line and protects against low suction pressures caused by such events as loss of charge low airflow across indoor coil dirty filters etc It opens on a pressure drop at about 20 psig If system pressure is above this switch should be closed To check switch 1 Turn off all power to unit 2 Disconnect leads on switch 3 Apply ohm mete
6. 0 040 2 0 040 2 0 038 2 OUTDOOR COIL 2 17 2 17 2 17 2 17 Rows Fins in face area sq ft 8 5 10 3 10 3 13 5 OUTDOOR FAN Nominal Airflow CFM Diameter Motor HP RPM INDOOR COIL Rows Fins in face area sq ft INDOOR BLOWER Nominal Airflow CFM Size in 602B048 602B060 10 6 0 076 0 046 2 2 17 13 5 12 4 0 088 0 052 2 2 17 15 4 2350 2350 2800 2500 3300 22 22 22 22 22 1 8 825 1 8 825 1 4 1100 1 8 825 1 4 1100 1 4 1100 3 15 3 15 4 15 3 15 4 15 4 15 3 7 3 7 3 7 4 7 4 7 5 7 800 1000 1200 1400 1600 1750 10x10 10x10 10x10 11x10 11x10 11x10 1 4 1 4 1 2 1 2 1 2 1 Motor HP HIGH PRESSURE SWITCH psig Cutout Reset Auto 610 15 420 25 LOSS OF CHARGE LOW PRESSURE SWITCH Liquid Line psig Cutout Reset Auto RETURN AIR FILTERS in throwaway 20x20 20x20x1 20x24x1 24x30x1 24x30x1 24x30x1 Required filter sizes shown are based on the larger of the ARI Air Conditioning and Refrigeration Institute rated cooling airflow or the heating airflow velocity of 300 ft minute for throwaway type or 450 ft minute for high capacity type Air filter pressure drop for non standard filters must not exceed 0 08 in wg TABLE 2 MINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATION CFM SIZE 602B024 602B030 602B036 602B042 602B048 602B060 AIRFLOW CFM 100
7. I6 oRN Gay Cc WI2 BRN WI 15 ORN PNK WIO BRN WI3 RED o ES o PNK WII BRN DEFROST BOARD DB z DR CTD FI 12 BLU W22 BLK ANA W23 BRN Riff Come W 1 T T 2 Oz D a BLU C1 Cum BRN Less Das P BLU W23 BRN W2 120 _ 6o Es Ei 2 FT BLK BLU R R HPS LPS PI 3 ii 1 Y W90 YEL ZER ICC ACCESSSORY ELECTRIC ed SUPPL HEAT HRI 5 KW W123 BRN i FIELD THERMOSTAT O FIERE les BRN SEE NOTE 2 E Wh22 BRN ES MO i i HRI 2 amp 3 15 KW 24V SPLICE BOX FOMO Ms BRN i 121 BRN HRI 2 3 8 4 20 an TORI i UNIT COMPONENT ARRANGEMENT OUTDOOR FAN SECTION COMPRESSOR SECTION INDOOR FAN SECTION Ap PLI AHA ADJUSTABLE HEAT ANTICIPATOR T SEN D CONTACTOR DIP SWITCH SETTINGS TERMINAL MARKED CAP CAPACITOR TERMINAL UNMARKED S SE Ee SPLICE CCH CRANKCASE HEATER 120 MINUT ER Lie MAMED COMP COMPRESSOR MOTOR 30 MINUTES so MINUTES 90 MINUTES II oN FACTORY WIRING CTD COMPRESSOR TIME DELAY CONTROL BOX ARE ler N MIBG DET DEFROST THERMOSTAT d NTROL BOX AREA FIELD POWER WIRING DR DEFROST RELAY ACCESSORY OR OPTIONAL Ee BREA QUIET WIRING Ed ER OR SHIFT mmm TO INDICATE COMMON GND GROUND J POTENTIAL ONLY HPS HIGH PRESSURE SWITCH Y NOT TO REPRESENT WIRING HR HEATER RELAY HIR HEATER ELECT HEAT TEM INDOOR FAN MOTOR 2 DEFAULT LPS LOW PRESSURE SWITCH OFM OUTDOOR FAN MOTOR oT OAUDR PLE TERMINAL RYS REVERSING VALVE SOLENOID FIELD SELECTABLE OPTIONS FOR TIME PE
8. Liquid Line Temp ___ Verify Refrigerant charge using charging tables Verify that 3 phase scroll compressor is rotating in correct direction Measured at suction inlet to compressor Measured at discharge outlet from compressor Measured at liquid line leaving condenser ME aI 2001 Bryant Heating amp Cooling Systems 7310 W Morris St Indianapolis IN 46231 28 Printed in U S A 602b Catalog No 5360 205
9. in A B B C A C 1 4 1 4 1 4 C99065 Fig 6 Unit Leveling Tolerances condensate connection to ensure proper drainage Make sure that the outlet of the trap is at least 1 in lower than the drain pan condensate connection to prevent the pan from overflowing Prime the trap with water When using a gravel apron make sure it slopes away from the unit If the installation requires draining the condensate water away from the unit install a field supplied 2 in trap at the condensate connection to ensure proper drainage Condensate trap is available as an accessory or is field supplied Make sure that the outlet of the trap is at least 1 in lower than the unit drain pan condensate connection to prevent the pan from overflowing Connect a drain trough using a minimum of field supplied 3 4 in PVC or field supplied 3 4 in copper pipe at outlet end of the 2 in trap See Fig 12 Do not undersize the tube Pitch the drain trough downward at a slope of at least 1 in every 10 ft of horizontal run Be sure to check the drain trough for leaks Prime the trap at the beginning of the cooling season start up VII INSTALL ELECTRICAL CONNECTIONS WARNING The unit cabinet must have an uninter rupted unbroken electrical ground to minimize the pos sibility of personal injury if an electrical fault should occur This ground may consist of an electrical wire connected to the unit ground lug in the control compart ment or co
10. ELECTRICAL ACCESS PANEL 122 2 12 851 4 811 ho 831 0 1226 3 132 721 48 28 LEFT SIDE VIEW FRONT VIEW RIGHT SIDE VIEW C00160 UNIT HEIGHT CENTER OF GRAVITY UNIT ELECTRICAL CHARACTERISTICS UNIT WEIGHT IN MM IN MM kg A X Y Z 602B024 208 230 1 60 135 6 35 02 889 5 19 0 482 6 18 3 463 6 16 0 406 4 489 0 17 6 447 0 602B030 208 230 1 60 208 230 3 60 145 2 37 02 940 3 20 0 508 0 19 3 602B036 208 230 1 60 208 230 3 60 460 3 60 148 8 37 02 940 3 20 0 508 0 19 0 482 6 16 5 419 1 Fig 2 602B024 036 Unit Dimensions AR 355 8 14 01 FULL LOUVER Y l 70 4 w OPTIONAL 2 77 406 6 RETURN 116 011 AIR SS E Eet E SCH SUPPLY RETURN Ese puct Dyer OPENING OPENING 24 63 LL EVAP COIL H e he 351 COND COIL l y 7 2 fe 347 3 ei c 43 13 67 1 2 La 351 2 el 3 83 13 83 REQUIRED CLEARANCES TO COMBUSTIBLE MATL REQUIRED CLEARANCE FOR OPERATION AND SERVICING MILLIMETERS CIN TOP OF UNIT EVAP COIL ACCESS SI 914 0 36 00 DUCT SIDE OF UNIT we POWER ENTRY SIDE SG pinta 914 0 36 00 SIDE OPPOSITE DUCTS 355 i CEXCEPT FOR NEC REQUIREMENTS BOTTOM OF UNIT ER RIE 12 7 0 50 UNIT TOE SE EE GP ORE GO Ge a eeh 914 0 36 00 ELECTRIC HEAT PANELS o cris
11. K 24 1 24 1 3 8 5 0 10 4 12 0 37 1 39 1 208 230 3 60 3 x S 7 5 10 0 20 8 24 1 50 1 54 1 11 3 15 0 31 3 36 1 63 2 69 2 15 0 20 0 41 6 48 0 76 0 84 0 K 11 9 5 0 6 0 19 4 460 3 60 i 10 0 12 0 26 9 15 0 18 0 34 5 20 0 24 1 42 0 Ke 42 2 42 2 3 8 5 0 18 1 20 8 64 8 68 2 80 80 208 230 1 60 i A 7 5 10 0 36 1 41 7 87 3 94 3 100 110 11 3 15 0 54 2 62 5 109 9 120 3 110 125 15 0 20 0 72 2 83 3 132 5 146 4 150 150 K Ke 31 7 31 7 3 8 5 0 10 4 12 0 44 7 46 7 208 230 3 60 i f E 7 5 10 0 20 8 24 1 57 8 61 8 70 70 11 3 15 0 31 3 36 1 70 8 76 8 80 80 15 0 20 0 41 6 48 0 83 7 91 7 90 100 Ke Ke 15 4 5 0 6 0 22 9 460 3 60 A 10 0 12 0 30 4 15 0 18 0 37 9 20 0 24 1 45 4 UNIT 602B SIZE 208 230 1 60 70 80 100 110 208 230 3 60 208 230 1 60 80 80 100 110 208 230 3 60 460 3 60 10
12. Owner s Manual and Service Instructions are left with the unit after installation SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electrical components Only trained and qualified personnel should install repair or service air conditioning equipment Untrained personnel can perform basic maintenance functions of cleaning coils and filters All other operations should be performed by trained service personnel When working on air conditioning equipment observe precautions in the literature tags and labels attached to the unit and other safety precautions that may apply i and Service Instructions SINGLE PACKAGE HEAT PUMP UNITS WITH PURON R 410A REFRIGERANT Il 602B 24 1 Il 602B 24 2 12 00 Cancels A C99063 Fig 1 Unit 602B Follow all safety codes Wear safety glasses and work gloves Use quenching cloth for unbrazing operations Have fire extinguisher available for all brazing operations WARNING Improper installation adjustment alter ation service maintenance or use can cause explosion fire electric shock or other occurrences which could cause serious injury or death or damage your property Consult a qualified installer or service agency for infor mation or assistance The qualified installer or agency must use only factory authorized kits or accessories when modifying this product Recognize s
13. damaging the unit If the wood skid is not available use a spreader bar of sufficient length to protect unit from damage 2 Position the lifting bracket assembly around the base of the unit Be sure the strap does not twist 3 Place each of the 4 metal lifting brackets into the handholds in the composite pan 4 Thread lifting bracket strapping around bottom perimeter of unit as follows a Open lever of tension buckle ratchet type b Feed strapping through tension buckle as shown in Fig 8 c Pull strapping through tension buckle unit taut d Snap lever down to lock strap in tension buckle To release strapping squeeze safety latch lift lever and pull webbing outward 5 Tighten the tension buckle until it is taut Lifting brackets must be secure in the handholds 6 Attach field supplied clevis or hook of sufficient strength to hole in the lifting bracket See Fig 9 7 Attach the 2 safety straps directly to the clevis or hook at the 4 rigging brackets DO NOT attach the safety straps to the lifting brackets See Fig 9 254 1 10 00 254 1 10 00 86 1 3 39 FULL LOUVER 70 5 ese A SUPPLY B SSS SS ER y 5 0 SUPPLY RETURN DUCT DUCT OPENING OPENING lt SS EVAP COIL D i 88 3 j ke 550 5 3 48 21 67 249 6 Hu 249 6 ke COND COIL 9 831 9 83 REQUIRED CLEARAN
14. fins If damaged during shipping and han dling carefully straighten fins with a fin comb 4 Verify the following conditions a Make sure that outdoor fan blade is correctly positioned in fan orifice b Make sure that air filter s is in place c Make sure that condensate drain pan and trap are filled with water to ensure proper drainage d Make sure that on the 060 size only the 2 wire ties fastened to the outdoor coils and reversing valve accumulator have been removed e Make sure that all tools and miscellaneous loose parts have been removed 5 Compressors are internally spring mounted Do not loosen or remove compressor hold down bolts 15 6 Each unit system has 2 Schrader type ports one low side Schrader fitting located on the suction line and one high side Schrader fitting located on the compressor dis charge line Be sure that caps on the ports are tight MOTOR FAN GRILLE 1 8 MAX BETWEEN MOTOR AND FAN HUB MOTOR SHAFT C99009 Fig 21 Fan Blade Clearance START UP Using the Start Up Checklist supplied at the end of this book proceed as follows I CHECK FOR REFRIGERANT LEAKS Locate and repair refrigerant leaks and charge the unit as follows 1 Use both high and low pressure ports to relieve system pressure and reclaim remaining refrigerant 2 Repair leak following accepted practices NOTE Install a bi flow filter drier whenever the system has been opened for repai
15. reset circuit breaker Defective thermostat contactor transformer control relay defrost board or high pressure or loss of charge low pressure switch Replace component Insufficient line voltage Determine cause and correct Incorrect or faulty wiring Check wiring diagram and rewire correctly Thermostat setting too high Lower thermostat setting below room temperature Units have a 5 minute time delay DO NOT bypass this compressor time delay wait for 5 minutes until time delay relay is deenergized Compressor will not start but condenser fan runs Faulty wiring or loose connections in compressor circuit Check wiring and repair or replace Compressor motor burned out seized or internal overload open Defective run capacitor overload or PTC positive temperature coefficient thermistor Determine cause Replace compressor Determine cause and replace One leg of 3 phase power dead Low input voltage 20 percent low Replace fuse or reset circuit breaker Determine cause Determine cause and correct Three phase scroll compressor size 030 060 units may be a low pressure differential Scroll compressor is rotating in the wrong direction Correct the direction of rotation by reversing the 3 phase power leads to the unit Compressor cycles other than normally satisfying thermostat Refrigerant overcharge or undercharge Recover refrigerant evacuate system and rech
16. sealed Connectors should snap easily do not force IFM operation is intermittent IFM Indoor Fan Motor Water dripping into motor Verify proper drip loops in connector wires Connectors not firmly sealed Gently pull wires individually to be sure they are crimped into the housing START UP CHECKLIST REMOVE AND STORE IN JOB FILE I PRELIMINARY INFORMATION Model No iii AE N OE aiar at Serial NO ea ee EA e ee Nadia AE seal oa ER ER OE NA RE ia II PRE START UP Verify that all packing materials have been removed from unit _____ Remove all shipping holddown bolts and brackets per installation instructions Make sure that on the 060 size only the two wire ties fastened to the outdoor coils and reversing valve accumulator have been removed Verify that condensate connection is installed per installation instructions Check all electrical connections and terminals for tightness Check that indoor evaporator air filter is clean and in place ___ Verify that unit installation is level Check fan wheel propeller for location in housing and setscrew tightness Ill START UP Supply Voltage L1 L2 L2 L3 L3 L1 Compressor Amps L1 L2 L3 Indoor Fan Amps AIR TEMPERATURE Outdoor Air Temperature DB Return Air Temperature DB WB Heat Pump Supply Air Electric Heater Supply Air REFRIGERANT PRESSURES AND TEMPERATURES Refrigerant Suction psig Refrigerant Discharge psig Suction Line Temp Discharge Line Tempt
17. voltage of 208v 240v amp 480v If power distribution voltage to unit varies from rated heater voltage heater KW will vary accordingly NOTES 1 In compliance with NEC National Electrical Code requirements for multimotor and combination load equipment refer to NEC Articles 430 and 440 the overcurrent protective device for the unit shall be Power Supply fuse The CGA Canadian Gas Association units may be fuse or circuit breaker 2 Minimum wire size is based on 60 C copper wire If other than 60 C wire is used or if length exceeds wire length in table determine size from NEC 3 Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply volt age is greater than 2 Use the following formula to determine the percentage of voltage imbalance Voltage imbalance 100 x max voltage deviation from average voltage average voltage EXAMPLE Supply voltage is 460 3 60 AB 452 v AAT BC 464 v AC 455 v Average Voltage oa 1371 3 457 Determine maximum deviation from average voltage AB 457 452 5v BC 464 457 7v AC 457 455 2v Maximum deviation is 7 v Determine percent of voltage imbalance Voltage Imbalance 100 x ZA 457 1 53 This amount of phase imbalance is satisfactory as it is below the maximum allowable 2 IMPORTANT If the supply voltage phase imbalance is more than 2 contact your local electric utility company immediately C99024 Fi
18. 0 1200 1400 1600 2000 The 030 size models must be run on medium or high speed when used in conjunction with 15 kw electric heat accessory CAUTION Failure to follow these precautions could result in damage to the unit being installed 1 Make all electrical connections in accordance with NEC ANSI NFPA latest edition and local electrical codes governing such wiring In Canada all electrical connections must be in accordance with CSA standard C22 1 Canadian Electrical Code Part 1 and applicable local codes Refer to unit wiring diagram Use only copper conductor for connections between field supplied electrical disconnect switch and unit DO NOT USE ALUMINUM WIRE Be sure that high voltage power to unit is within operating voltage range indicated on unit rating plate On 3 phase units ensure phases are balanced within 2 percent Consult local power company for correction of improper voltage and or phase imbalance Insulate low voltage wires for highest voltage con tained within conduit when low voltage control wires are in same conduit as high voltage wires Do not damage internal components when drilling through any panel to mount electrical hardware con duit etc g A HIGH VOLTAGE CONNECTIONS The unit must have a separate electrical service with a field supplied waterproof disconnect switch mounted at or within sight from the unit Refer to the unit rating plate NEC and local codes for maximum fuse c
19. 2300 20 X 24 X 1 24 X 30X1 lil DEFROST CONTROL A Quiet Shift Quiet Shift is a field selectable defrost mode which will eliminate occasional noise that could be heard at the start of defrost cycle and restarting of heating cycle It is selected by placing DIP switch 3 on defrost board in ON position When Quiet Shift switch is placed in ON position and a defrost is initiated the following sequence of operation will occur Revers ing valve will energize outdoor fan will turn off compressor will turn off for 30 sec and then turn back on to complete defrost At the start of heating after conclusion of defrost reversing valve will de energize compressor will turn off for another 30 sec and the outdoor fan will stay off for 40 sec before starting in the Heating mode B Defrost The defrost control is a time temperature control which includes a field selectable time period DIP switch 1 and 2 on the board between defrost cycles of 30 60 90 or 120 minutes factory set at 30 minutes TABLE 6 ELECTRIC HEAT PRESSURE DROP TABLE SMALL CABINET 024 036CFM 500 600 700 som 900 1000 1100 1200 1300 1400 1500 1600 5kw 0 00 0 00 0 00 0 00 0 00 000 0 00 0 00 0 06 10 kw 0 00 0 00 0 00 0 00 0 00 0 02 0 07 0 04 0 06 0 09 0 10 0 11 15 kw 0 00 0 00 0 00 0 02 0 04 0 06 0 08 0 10 0 12 0 1
20. 4 0 16 0 18 20 kw 0 00 0 00 0 02 0 04 0 06 0 08 0 09 0 11 0 13 0 15 0 17 0 19 ELECTRIC HEAT PRESSURE DROP TABLE LARGE CABINET 042 060 CFM 2300 2400 2500 Balance Point Worksheet 70 Based on Indoor Entering Air of 70 F and Rated CFM 60 a o A o wo o Building Heat Loss 1000BTUH Unit Integrated Heating Capacity x1000BTUH N o 10 20 30 40 47 50 60 Outdoor Air Temp Deg F C00138 Fig 24 602B Balance Point Worksheet To initiate a forced defrost two options are available depending on the status of the defrost thermostat Tf defrost thermostat is closed speedup pins J1 must be shorted by placing a flat head screw driver in between for 5 sec and releasing to observe a complete defrost cycle When the Quiet Shift switch is selected compressor will be turned off for two 30 sec intervals during this complete defrost cycle as explained previously When Quiet Shift switch is in factory default OFF position a normal and complete defrost cycle will be observed If defrost thermostat is in open position and speedup pins are shorted with a flat head screw driver for 5 sec and released a short defrost cycle will be observed actual length is dependent 19 upon the selected Quiet Shift position When Quiet Shift switch is in ON position the length of defrost is 1 minute 30 sec compr
21. 9070 using both high and low pressure ports c Cut component connecting tubing with tubing cutter and remove component from unit d Carefully unsweat remaining tubing stubs when necessary Oil can ignite when exposed to torch flame 24 V Circuit Breaker 24 Volt Compartment Fig 19 Control Wiring Plate TRANSFORMER CIRCUIT CONTAINS A MANUAL RESET OVERCURRENT PROTECTOR IT WILL NOT AUTOMATICALLY RESET Use the Start Up Checklist supplied at the end of this book and proceed as follows to inspect and prepare the unit for initial start up THIS COMPARTMENT MUST BE CLOSED 1 Remove all access panels EXCEPT WHEN SERVICING 2 Read and follow instructions on all DANGER WARNING CAUTION and INFORMATION labels attached to or C99058 shipped with unit Fig 20 Transformer Label 3 Make the following inspections a Inspect for shipping and handling damages such as broken lines loose parts disconnected wires etc DISCONNECT POWER PRIOR TO SERVICING b Inspect for oil at all refrigerant tubing connections and on unit base Detecting oil generally indicates a refrig erant leak Leak test all refrigerant tubing connections using electronic leak detector or liquid soap solution If a refrigerant leak is detected see following Check for Refrigerant Leaks section c Inspect all field and factory wiring connections Be sure that connections are completed and tight d Inspect coil
22. B060 208 230 1 60 208 230 3 60 460 3 60 194 1 42 98 1091 7 21 0 533 4 20 0 508 0 Fig 3 602B 042 060 Unit Dimensions D oo 18 0 457 2 17 6 447 0 CORNER WEIGHTS SMALL CABINET Unit Corner Weight 1 Corner Weight 2 m N o 5 ki o Corner Weight 3 Corner Weight 4 Model 602B C00071 CORNER WEIGHTS LARGE CABINET Unit Total Weight Corner Weight 1 Corner Weight 2 Corner Weight 3 Corner Weight 4 Fig 4 Corner Weights 8 Position lifting point directly over the unit s center of gravity 9 Lift unit When unit is directly over the roof curb remove the 2 safety straps Lower the equipment onto the roof curb 10 After the unit is placed on the roofcurb or mounting pad remove the top crating On 602B060 units only 2 wire ties fastened to the outdoor coils and reversing valve accumulator assembly must be cut Remove the left and front louver panels and corner post to access wire ties The wire tie to be cut on the left is located approximately 4 in down the tube sheet The wire tie to be cut on the right is located approximately 6 in down the tube sheet V SELECT AND INSTALL DUCTWORK The design and installation of the duct system must be in accordance with the standards of the NFPA for installation of non residence type air conditioning and ventilating systems NFPA 90A or residence type NFPA 90B and or local codes an
23. CES TO COMBUSTIBLE MATL DREQUIREDN CLEARANCE FOR OFERADON AND SERVICING MILLIMETERS IN MILLIMETERS CIN AA EO OO EE an i 355 6 14 00 EVAP COIL ACCESS SIDE scr cia EN EE ENN ele ri 914 0 36 00 DUCT SIDE OF UNIT Ho RESSE 50 8 2 00 POWER ENTRY SIDE 0g serale rate 914 0 36 00 SIDE OPPOSITE DUCTS 355 6 14 00 EXCEPT FOR NEC REQUIREMENTS BOTTOM OF UNIT 12 1 0 50 UNIT TOP se KEER N EE EE 914 0 36 00 ELECTRIC HEAT PANEL cr it VE A ga 914 4 36 00 SIDE OPPOSITE DU coat aa bos tt de 914 0 36 00 DUCT PANEL Zen a RI EE 304 8 12 00 s NEC REQUIRED CLEARANCES MILLIMETERS IN MINIMUM DISTANCES IEF UNIT IS PLACED LESS THAN 304 8 12 00 FROM WALL BETWEEN UNITS POWER ENTRY SIE 1066 8 42 00 SYSTEM THEN SYSTEM PERFORMANCE MAYBE COMPROMISED UNIT AND UNGROUNDED SURFACES POWER ENTRY SIDE 914 0 36 00 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER GROUNDED SURFACES POWER ENTRY SIDE 1066 8 42 00 798 5 d o RT 147050 FIELD ENTRY SERVICE PORTS 23 1 0 91 FULL LOUVER H FULL LOUVER FULL LOUVER SS ED ER EER E EE III 22 2 0 88 DIA HOLE CONTROL MU H 216 2 10 87 1347 SEN 5 301 2 DRAIN OUTLET 10 20 5 19 0 0 75 N P T 87 1 44 5 1 75 DIA K O X 22 0 0 88 DEEP 12 4 E 13 43 POWER ENTRY 2 851 COMPRESSOR BLOWER ELECTRIC HEAT 326 5 8
24. D CONNECT BLU WIRE FROM IFM 5017500064 5 0 C00153 Fig 14 Wiring Schematics pp OC Ge SCHEMATIC FIELD 460 3 60 MAXIMUM WIRE Ps WI BLK Amal w3 8H HKD BH BLK SIZE 2 AWG POWER ES w2 YEL AAH l W4 YEL YEL OFM ES CAP2 SUPPLY BRN Wize BLU BLK or a CCH EQUIP_GND rn W8 BLK T lt ES 2 o GRN YEL x w7 YEL COMP USED WITH T 3 L 042 060 ONLY ACCESSORY EE BLK Ta ELECT HEAT Fa R TO HTR TDR CONNECT ORN MED OPTION ONLY SPEED FOR 048 USED WITH ll K RED e RED ONLY HEATER OPTIONS VEL k HTR pia 5 10 15 8 20 KW i i YEL o FIA LFM CAPI MAX WIRE BRA 2 AWG BLU TO WTR W128 BLK OT DFT OPEN NI OPEN TOR 1 3 FAN SEOUENCE OF 1 OF 2 CcoseD OPEN 0 T 1 60 RVS ENERGIZED 7 6 G 1 T410 MIN ENERGIZED
25. DE ENERGIZED wi 29 HELE CH GE T 90 CTD TI T2 COMPRESSOR DELAY 3 2 ANP f De a MANUALS RESET e W25 GRN YEL y W26 GRN YEL Ami Zu cB GRN YEL GRN YEL CLOSES vil E 1 zk TSAT V op c WI2 BRN WII BRN W120 ORN A TOR WIG GRN TU TIMER B WIO BRN K N 3 o WI BRN W95 RED W109 BRN PNK WITT BLU WI12 BLU DEFROST BOARD DB DR CTD GE T BLU BLK W23 BRN aS i LOGIC NOs Ee 2 oF a BLU a Qo WIO BRN WI9 ORN 0 E E ie BLU W109 BRN W20 WHT IP ele OES W23 BRN m S BLK BLU C DET R i Ta HPS LPS Y Y W90 YEL W12 BRN W136 PNK OH 1 SUPPL HEAT W12 WHT 1 FIELD THERMOSTAT W135 VIO SEE NOTE 2 W138 GRA 1 L HRI 2 8 3 15 KA l 24V SPLICE BOX W21 BRIN HRI 2 3 8 4 20 ww W124 BRN D UNIT COMPONENT ARRANGEMENT AE ie MA ADJUSTABLE HEAT ANTICIPATOR DI SWITCH SETTINGS OUTDOOR FAN TERMINAL MARKED SECTION Pa Ra Co CIRCUIT BREAKER DEFAULT 120 MINUTES LI lee MARKED El CRANKCASE HEATER 30 MINUTES 60 MINUTES 90 MINUTES 120 ON FACTORY WIRING re e DELAY ERE 60 123 EA COMPRESSOR INDOOR FAN CONTROL BOX AREA FIELD CONTROL WIRING mM E E SECTION SECTION FIELD POWER WIRING Dei pest THERMOSTAT aap ACCESSORY OR OPTIONAL ierg Semer OR J OR OR MIRINO GND GROUND LI S SINGLE PT mum TO INDICATE COMMON HPS HIGH PRESSURE SWITCH Z Z CONNECTION POTENTIAL ONLY HR HEATER RELAY FOR NOT TO REPRESENT WIRING HTR HEATER 90 OFF ELECT HEAT IEN INDOOR FAN MOTOR DEFAULT LPS LOW PRESSU
26. INE PRESSURE KILOPASCALS 9 85 29 5 4 897 828 SUCTION LINE PRESSURE PSIG 759 100 690 621 552 SUCTION LINE TEMPERATURE DEG F 5042500071 Fig 30 Cooling Charging Chart 602B 060 Unit 00087 WARNING Failure to follow these warnings could result in serious injury or death 1 Turn off electrical power to the unit before performing any maintenance or service on this unit 2 Use extreme caution when removing panels and parts As with any mechanical equipment personal injury can result from sharp edges Never place anything combustible either on or in contact with the unit CAUTION Errors made when reconnecting wires may cause improper and dangerous operation Label all wires prior to disconnecting when servicing The minimum maintenance requirements for this equipment are as follows 1 Inspect air filter s each month Clean or replace when necessary 2 Inspect indoor coil drain pan and condensate drain each cooling season for cleanliness Clean when necessary 3 Inspect blower motor and wheel for cleanliness each cooling season Clean when necessary 4 Check electrical connections for tightness and controls for proper operation each cooling season Service when neces sary I AIR FILTER IMPORTANT Never operate the unit without a suitable air filter in the return air duct system Always replace the filter with the same dimensional size and t
27. Installation Start Up NOTE Read the entire instruction manual before starting the installation This symbol indicates a change since the last issue TABLE OF CONTENTS SAFETY CONSIDERATIONS ie 1 TNtrOdUCHON i 2 Receiving and Installation i 2 Check Equipment des Provide Unit Support issie sis a catena alii 2 Provide Clearances see ss Ee ce Bee Ee EE oe ee Ee ee de 2 Rig and Place Unit i 2 Select and Install Ductwork AAA 5 Provide for Condensate Disposal 6 Install Electrical Connections I PRE START UP os tation aio ia ili oliena 10 STARTUP at DE at tg Adrian siti lla 12 Check for Refrigerant Leaks 12 Start Up Adiustpmentz se se ee ke ge Ge Re Ge ee Ge ee ke ke 12 Defrost Control ss ai 19 MAINTENANCE trollo io 20 Air Bilter mr AR La 22 Indoor Blower and Motor 22 Outdoor Coil Indoor Coil and Condensate Drain Pan 22 Outdoor Bat GE na ARA RIGO 22 Electrical Controls and Wang 22 Refrigerant CiTChit rara 22 Indoor Arlt iia ona 23 Metering Devices Accurater Piston se ee ke ee 23 Pressure Witt dns 23 Loss of Charge Switch High Pressure Switch Copeland Scroll Compressor Puron Refrigerant 23 Refrigerant System 23 System Information 24 TROUBLESHOOTING A 24 Start Up Checklist re 24 NOTE TO INSTALLER READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY before installing this unit Also make sure the
28. Lala cei 914 4 36 00 SIDE OPPOSITE DICTI Sarietan dana pario 914 0 36 00 DUGEPANBER ORA ai Ee KO ee EER ER RS RS 304 8 12 00 NEC REQUIRED CLEARANCES MILLIMETERS CIN MINIMUM DISTANCES IF UNIT IS PLACED LESS THAN 304 8 12 00 FROM WALL BETWEEN UNITS POWER ENTRY zip 1066 8 42 00 SYSTEM THEN SYSTEM PERFORMANCE MAYBE COMPROMISED UNIT AND UNGROUNDED SURFACES POWER ENTRY SIDE 914 0 36 00 UNIT AND BLOCK OR CONCRETE WALLS AND OTHER GROUNDED SURFACES POWER ENTRY SIDE 1066 8 42 00 DIMENSIONS IN ARE IN INCHES pa 1193 mi 1090 6 147 00 142 94 FIELD ENTRY ara SERVICE PORTS tat EE TT ee FULL LOUVER E FULL LOUVER A Li n ETE EE ce IN CT 44 5 1 75 DIA KO j ep i POWER ENTRY GE 1 DI dE NX d 326 1 4 12 84 184 6 AN x x T 3 S Tati 7 21 rr r n T 42 7 x E1681 RAIN OUTLET 12 2 COMPRESSOR BLOWER ELECTRIC HEAT 19 0 0 75 N P T 329 0 2 84 8 ELECTRICAL ACCESS PANEL 86 9 22 2 10 88 DIA HOLE x 22 0 0 88 D P 112 951 GE 3 42 L_ CONTROL ENTRY E 48 281 AR LEFT SIDE VIEW FRONT VIEW RIGHT SIDE VIEW UNIT ELECTRICAL CHARACTERISTICS IN MM IN MM kg A Y 4 1 0 16 C00161 UNIT WEIGHT UNIT HEIGHT CENTER OF GRAVITY 602B042 208 230 1 60 208 230 3 60 460 3 60 158 8 40 98 1040 9 21 0 533 4 20 5 520 7 16 6 421 6 539 8 602B048 208 230 1 60 208 230 3 60 460 3 60 161 0 40 98 1040 9 20 0 508 0 21 3 602
29. OT BW400 Puron systems should be charged with liquid refrigerant Use a commercial type metering device in the manifold hose Manifold sets should be 750 psig high side and 200 psig low side with 520 psig low side retard Use hoses with 750 psig service pressure rating e Leak detectors should be designed to detect HFC refrigerant Puron as with other HFCs is only compatible with POE oils Vacuum pumps will not remove moisture from oil Only use factory specified liquid line filter driers with rated working pressures no less than 600 psig Do not install a suction line filter drier in liquid line POE oils absorb moisture rapidly Do not expose oil to atmosphere POE oils may cause damage to certain plastics and roofing materials Wrap all filter driers and service valves with wet cloth when brazing A Puron liquid line filter drier is required on every unit Do not use an R 22 TXV e Never open system to atmosphere while it is under a vacuum e When system must be opened for service break vacuum with dry nitrogen and replace filter driers Do not vent Puron into the atmosphere Observe all warnings cautions and bold text Do not leave Puron suction line driers in place for more than 72 hrs 25 SYMPTOM Compressor and outdoor fan will not start TABLE 7 TROUBLESHOOTING CHART CAUSE Power Failure REMEDY Call power company Fuse blown or circuit breaker tripped Replace fuse or
30. PH HZ RANGE COMPRESSOR ELECTRIC HEAT SINGLE POINT POWER SUPPLY Min_ Max RLA LRA Nominal Kw FLA UNIT MCA MAX FUSE OR CKT BKR Ke 19 8 19 8 30 30 024 208 230 1 60 187 253 13 5 61 0 y 3 8 5 0 18 1 20 8 42 3 45 8 50 50 7 5 10 0 36 1 41 7 64 9 71 9 2 22 9 22 9 30 30 3 8 5 0 18 1 20 8 45 4 48 9 50 50 7 5 10 0 36 1 41 7 68 0 75 0 11 3 15 0 54 2 62 5 90 6 101 0 a K Ke 16 6 16 6 20 20 3 8 5 0 10 4 12 0 29 7 31 7 35 35 7 5 10 0 20 8 24 1 42 7 46 7 45 50 11 3 15 0 31 3 36 1 55 7 61 7 60 K Ke 26 8 26 8 40 40 3 8 5 0 18 1 20 8 49 4 52 9 60 60 7 5 10 0 36 1 41 7 72 0 78 9 S 11 3 15 0 54 2 62 5 94 5 105 0 K Ke 21 0 21 0 3 8 5 0 10 4 12 0 34 0 36 0 7 5 10 0 20 8 24 1 47 0 51 0 11 3 15 0 31 3 36 1 60 0 66 1 Ke Ke 10 2 5 0 6 0 17 7 10 0 12 0 25 2 15 0 18 0 32 7 K Ke 33 0 33 0 3 8 5 0 18 1 20 8 55 6 59 0 208 230 1 60 i i 7 5 10 0 36 1 41 7 78 1 85 1 90 90 11 3 15 0 54 2 62 5 100 7 111 1 110 125 15 0 20 0 72 2 83 3 123 3 137 2 125 150 K 24 3 24 3 3 8 5 0 10 4 12 0 37 3 39 3 208 230 3 60 A 7 5 10 0 20 8 24 1 50 3 54 3 11 3 15 0 31 3 36 1 63 3 69 4 15 0 20 0 41 6 48 0 76 2 84 2 K slo 12 0 5 0 6 0 19 5 460 3 60 A i 10 0 12 0 27 1 15 0 18 0 34 6 20 0 24 1 42 1 Ke 32 3 32 3 3 8 5 0 18 1 20 8 54 9 58 4 70 70 208 230 1 60 i S 7 5 10 0 36 1 41 7 77 5 84 4 80 90 11 3 15 0 54 2 62 5 100 0 110 5 110 125 15 0 20 0 72 2 83 3 122 6 136 5 125 150
31. RE SWITCH OF OUTDOOR FAN RELAY M FIELD SELECTABLE OPTIONS FOR TIME PERIOD er EAER LELET TERMINAL Eta BETWEEN DEFROST CYCLES MINUTES gt THERMOSTAT COOLING THE COMPRESSOR WILL SHUT OFF FOR 30 SEC ON DEFROST EQUIP TOR TIME DELAY RELAY INITIATION AND TERMINATION IN THE QUIET SHIFT ON GND TH THERMOSTAT HEATING POSITION TRAN TRANSFORMER SEE HEATER SCHEMATIC FOR WIRING DISCONNECT NOTES PER NEC 1 1F ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED IT MUST BE REPLACED WITH TYPE 90 DEGREE C WIRE OR lt IT S EQUIVALENT 2 SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES 241 FONERA ENTRE 3 USE 75 DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION 4 FOR HIGH SPEED IFM DISCONNECT RED 042 060 WIRE FROM TOR 3 AND CONNECT BLK WIRE FROM IFM FOR MEDIUM SPEED DISCONNECT RED WIRE FROM TDR 3 AND CONNECT BLU WIRE FROM IFM SPEED JUMPERED TEST PINS USE METAL OBJECT uP FIELD SPEED UP CYCLE 1 MOMENTARILY SHORT PINS AND RELEASE TO BYPASS COMPRESSOR OFF DELAY 2 SHORT FOR 5 SEC AND RELEASE FOR FORCED DEFROST 3 PERMANENT SHORT WILL BE IGNORED DEFROST WILL TERMINATE IN 30 SEC IF DFT OPEN DEFROST WILL TERMINATE NORMALLY IF DFT IS CLOSED 50J750006514 0 Fig 15 Wiring Schematics ME C00154 LEGEND FLA Full Load Amps U L LRA Locked Rotor Amps C US MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection RLA Rated Load Amps Heater capacity KW based on heater
32. RIOD S B SLOW BLOW FUSE BETWEEN DEFROST CYCLES MINUTES Te THERMOSTAT COOLING THE COMPRESSOR WILL SHUT OFF FOR 30 SEC ON DEFROST TOR TIME DELAY RELAY INITIATION AND TERMINATION IN THE QUIET SHIFT ON EQUIP TH THERMOSTAT HEATING POSITION GND TRAN TRANSFORMER SPEED JUMPERED TEST PINS USE METAL OBJECT 042 060 LEGEND SEE HEATER SCHEMATIC FOR WIRING 1 DISCONNECT wers PER NEC 1 1F ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED IT MUST BE REPLACED WITH TYPE 90 DEGREE C WIRE OR 1T S EQUIVALENT 2 SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES 3 USE 75 DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION 4 FOR HIGH SPEED IFM DISCONNECT RED WIRE FROM TOR 3 AND CONNECT BLK WIRE FROM IFM FOR MEDIUM SPEED DISCONNECT RED WIRE FROM TDR 3 AND CONNECT BLU WIRE FROM IFM ma SPLICE BOX 24V POWER ENTRY UP FIELD SPEED UP CYCLE MOMENTARILY SHORT PINS AND RELEASE TO BYPASS COMPRESSOR OFF DELAY 2 SHORT FOR 5 SEC AND RELEASE FOR FORCED DEFROST 3 PERMANENT SHORT WILL BE IGNORED 1 DEFROST WILL TERMINATE IN 30 SEC IF DFT OPEN DEFROST WILL TERMINATE NORMALLY IF DFT IS CLOSED 9052500063 5 0 Fig 13 Wiring Schematics C00152
33. See Fig 18 C CONNECTING GROUND LEAD TO GROUND LUG Refer to Fig 18 Connect the ground lead to the chassis using the ground lug in the wiring splice box D ROUTING CONTROL POWER WIRES 24 V Form a drip loop with the thermostat leads before routing them into the unit Route the thermostat leads through grommeted low voltage hole provided in unit into unit control power splice box See Fig 2 and 3 Connect thermostat leads to unit control power leads as shown in Fig 17 9 1 MIN TRAP OUTLET Y 2 MIN I C99013 Fig 12 Condensate Trap The unit transformer supplies 24 v power for complete system including accessory electrical heater An automatic reset circuit breaker See Fig 19 is provided in the 24 v circuit see the caution label on the transformer or Fig 20 Transformer is factory wired for 230 v operation If supply voltage is 208 v rewire transformer primary as described in Special Procedures for 208 v Operation section E SPECIAL PROCEDURES FOR 208 V OPERATION 1 Be sure unit disconnect switch is open 2 Disconnect the yellow primary lead w 110 from the transformer See unit wiring label See Fig 13 and 14 3 Connect the yellow primary lead w110 to the transformer terminal labeled 200 v Indoor blower motor speeds may need to be changed for 208 v operation Refer to indoor airflow and airflow adjustments section TABLE 3 ELECTRICAL DATA 602B VOLTAGE V
34. TEMP F C 125 52 115 46 105 41 95 35 85 29 75 24 65 18 55 13 45 7 C00084 Fig 27 Cooling Charging Chart 602B 036 Units 20 030 60 Hz COOLING CHARGING CHART For Use with Units Using R410a Refrigerant SUCTION LINE TEMPERATURE DEG C 4 10 15 OUTDOOR TEMP F 125 115 105 95 85 75 SUCTION LINE PRESSURE PSIG SUCTION LINE PRESSURE KILOPASCALS 40 50 60 SUCTION LINE TEMPERATURE DEG F 5012500087 Fig 26 Cooling Charging Chart 602B 030Unit 09988 042 60 Hz COOLING CHARGING CHART For use with units using R410a Refrigerant SUCTION LINE TEMPERATURE DEG C 4 10 15 OUTDOOR TEMP FC 125 115 105 95 85 75 65 55 45 SUCTION LINE PRESSURE PSIG SUCTION LINE PRESSURE KOPASCALS 40 50 60 SUCTION LINE TEMPERATURE DEG F 50JZ500069 C00085 Fig 28 Cooling Charging Chart 602B 042 Units 048 60Hz COOLING CHARGING CHART For use with units using R410a Refrigerant OUTDOOR TEMP SUCTION LINE TEMPERATURE DEG C F 4 10 15 125 5 o 3 ES 9 d 0 2 M b 2 2 d R kb M z J z H 9 2 2 SUCTION LINE PRESSURE PSIG SUCTION LINE TEMPERATURE DEG F 502500070 C00086 Fig 29 Cooling Charging Chart 602B 048 Units 3 Restart unit in Heating mode allowing frost to accumulate on outdoor coil 4 After a fe
35. WN TRANI GRN VEE 3 2 AMP d L L MANUAL RESET ON cB WII BRN W6 ORN Q4 0 WBRA WI 19 ORN A TDR WI6 GRN TIL TIMER B W10 BRN W13 RED PNK e ES oP NK Wil BRN A DEFROST BOARD DB W17 RED DR CTD reset AS ZA HU IR OO W22 BLK W23 BRN YEL TE gt W18 P S D tt E pao BRN WI9 ORN H kosi R gt W23 BRN Y w20 WHT me BOE 7 N AE BLK BLU 7 5 I HPS LPS Licei f F EE WI2 BRN SUPL HEAT E PI ES TI D mal Y W90 YEL S Ge AE WI3I PNK O A sy Mm ACCESSORY ELECTRIC HEAT W70 BRA On OH W712 WHT OE va BRN SUPPL HEAT gt dl AD OU FIELD THERMOSTAT SEE NOTE 2 24V SPLICE BOX T HRI 5 KMT W125 BRN Luisa vio oO i W133 GRA HRI amp 2 10 KW la OO WTO BRN HRI 283 15 KW W126 BRN i i TOMO W21 BRN__ HRI 2 384 20 KW W120 BRN 1 1 LEGEND UNIT COMPONENT ARRANGEMENT D FIELD SPLICE AHA ADJUSTABLE HEAT ANTICIPATOR DIP SWITCH SETTINGS OUTDOOR FAN CO TERMINAL MARKED CONTACTOR SECTION gt TERMINAL CUNNARRED CAP CAPACITOR e cB CIRCUIT BREAKER SPLICE CCHS CRANKCASE HEATER DEFAULT 20 MINUTES SPLICE MARKED COMP COMPRESSOR MOTOR 30 MINUTES 60 MINUTES 90 MINUTES 120 FACTORY WIRING T PRI T Y COMPRESSOR INDOOR FAN CONTROL BOX AREA FIELD CONTROL WIRING SB DEFROST BORRO H ads ERA DE L SECTION SECTION 7 DFT DEFROST THERMOSTAT anp
36. ached to the outside of the service access door If charge level is suspect in Heating mode reclaim all refrigerant and charge to nameplate amount This information may be obtained from the physical data table also IMPORTANT When evaluating the refrigerant charge an indi cated adjustment to the specified factory charge must always be very minimal If a substantial adjustment is indicated an abnormal condition exists somewhere in the cooling system such as insuf ficient airflow across either coil or both coils C REFRIGERANT CHARGE The amount of refrigerant charge is listed on the unit nameplate and or the physical data table Refer to the Refrigeration Service Techniques Manual Refrigerants Section D NO CHARGE Check for leak Use standard evacuating techniques After evacu ating system weigh in the specified amount of refrigerant refer to system data plate E LOW CHARGE COOLING Use Cooling Charging Charts Figs 25 30 Vary refrigerant until the conditions of the chart are met Note that charging charts are different from type normally used Charts are based on charging the units to correct superheat for the various operating conditions Accurate pressure gauge and temperature sensing devices are required Connect the pressure gauge to the service port on the suction line Mount the temperature sensing device on the suction line and insulate it so that the outdoor ambient does not affect the reading Indoor air CFM
37. afety information This is the safety alert symbol A When you see this symbol on the product or in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING CAU TION and NOTE Danger identifies the most serious hazards which will result in severe personal injury or death Warning indicates a condition that could cause serious personal injury or death Caution is used to identify unsafe practices which would result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation 1 The power supply volts phase and hertz must correspond to that specified on unit rating plate 2 The electrical supply provided by the utility must be sufficient to handle load imposed by this unit 3 This installation must conform with local building codes and with NEC National Electrical Code Refer to provin cial and local plumbing or waste water codes and other applicable local codes WARNING Before performing service or maintenance operations on system turn off main power to unit Turn off accessory heater power switch if applicable Electrical shock could cause severe injury or death CAUTION Puron R 410A systems operate at higher pressures than standard R 22 systems DO not use R 22 AN service equipment or components on Puron R 410A equipment Ensure service equ
38. arge to capacities shown on nameplate Defective compressor Replace and determine cause Insufficient line voltage Determine cause and correct Blocked outdoor coil Determine cause and correct Defective run start capacitor overload or start relay Determine cause and replace Defective thermostat Replace thermostat Faulty outdoor fan motor or capacitor Replace Damaged reversing valve Restriction in refrigerant system Determine cause and correct Locate restriction and remove Compressor operates continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermostat set too low Reset thermostat Low refrigerant charge Locate leak repair and recharge Frosted coil with incorrect defrost operation Check defrost time settings Reset as necessary Check defrost temperature switch Replace as necessary Air in system Recover refrigerant evacuate system and recharge Outdoor coil dirty or restricted Clean coil or remove restriction Excessive head pressure Dirty air filter Dirty indoor or outdoor coil Replace filter Clean coil Refrigerant overcharged Recover excess refrigerant Air in system Recover refrigerant evacuate system and recharge Heat Indoor air restricted or recirculating Determine cause and correct Indoor or outdoor air restricted or air short cycl
39. brush attachment Be careful not to bend the fins If coated with oil or grease clean the coils with a mild detergent and water solution Rinse coils with clear water using a garden hose Be careful not to splash water on motors insulation wiring or air filter s For best results spray condenser coil fins from inside to outside the unit On units with an outer and inner condenser coil be sure to clean between the coils Be sure to flush all dirt and debris from the unit base Inspect the drain pan and condensate drain line when inspecting the coils Clean the drain pan and condensate drain by removing all foreign matter from the pan Flush the pan and drain trough with clear water Do not splash water on the insulation motor wiring or air filter s If the drain trough is restricted clear it with a plumbers snake or similar probe device IV OUTDOOR FAN CAUTION Keep the condenser fan free from all ob structions to ensure proper cooling operation Never place articles on top of the unit Damage to unit may result 1 Remove 6 screws holding outdoor grille and motor to top cover 2 Turn motor grille assembly upside down on top cover to expose fan blade 3 Inspect the fan blades for cracks or bends 4 If fan needs to be removed loosen setscrew and slide fan off motor shaft 5 When replacing fan blade position blade so that the hub is 1 8 in away from the motor end 1 8 in of motor shaft will be visible
40. d to unit being installed 3 Dimensions in are in millimeters 4 Roof curb is made of 16 gage steel 5 Table lists only the dimensions per part number that have changed 6 Attach ductwork to curb flanges of duct rest on curb 7 Insulated panels 1 in thick fiberglass 1 Ib density 8 Dimensions are in inches 9 When unit mounting screw is used see Note A a retainer bracket must be used as well This bracket must also be used when required by code for hurricane or seismic conditions This bracket is available through Micrometl Fig 5 Roof Curb Dimensions 3 Use a screwdriver and hammer to remove the panels in the VI PROVIDE FOR CONDENSATE DISPOSAL bottom of the base pan NOTE Ensure that condensate water disposal methods comply NOTE These panels are held in place with tabs similar to an with local codes restrictions and practices lectrical knockout dd eat The 602B units dispose of condensate through a 3 4 in NPT female fitting that exits on the compressor end of the unit Condensate water can be drained directly onto the roof in rooftop NOTE Avoid abrupt duct size increases and reductions Abrupt installations where permitted or onto a gravel apron in ground change in duct size adversely affects air performance level installations Install a field supplied condensate trap at end of 4 Reinstall the horizontal duct covers Fig 11 to block off the horizontal air openings MAXIMUM ALLOWABLE DIFFERENCE
41. d ordi nances Select and size ductwork supply air registers and return air grilles according to ASHRAE American Society of Heating Refrigera tion and Air Conditioning Engineers recommendations The unit has duct flanges on the supply and return air openings on the side of the unit When designing and installing ductwork consider the following WARNING For vertical supply and return units tools or parts could drop into ductwork and cause serious injury or death Install a 90 degree turn in the return ductwork between the unit and the conditioned space If a 90 degree elbow cannot be installed then a grille of sufficient strength and density should be installed to prevent objects from falling into the conditioned space Units with electric heaters require 90 degree elbow in supply duct 1 All units should have field supplied filters or accessory filter rack installed in the return air side of the unit Recommended sizes for filters are shown in Table 1 i 2 Avoid abrupt duct size increases and reductions Abrupt change in duct size adversely affects air performance IMPORTANT Use flexible connectors between ductwork and unit to prevent transmission of vibration Use suitable gaskets to ensure weather tight and airtight seal When electric heat is installed use fireproof canvas or similar heat resistant material connector between ductwork and unit discharge connection If flexible duct is used insert a sheet me
42. e fan motor speed lead from the blower relay BR and replace with the lead for the desired blower motor speed The motor speed lead is attached to terminal BM For low and medium speeds black must be connected to the jumper wire Insulate removed lead end to avoid contact with chassis parts To select high speed on 460 v GE motors separate the black female quick connect QC from the jumper lead male quick connect QC and connect the black lead to the BR Insulate the jumper to avoid contact with any chassis parts TABLE 4 WET COIL AIR DELIVERY UNIT 602B 024 060 DEDUCT 10 PERCENT FOR 208 V EXTERNAL STATIC PRESSURE IN WG MOTOR SPEED Air delivery values are based on operating voltage of 230 v or 460 v wet coil without filter or electric heater Deduct filter and electric heater pressure drop see Tables 5 and 6 to obtain static pressure available for ducting NOTES 1 Do not operate the unit at a cooling airflow that is less than 350 cfm for each 12 000 Btuh of rated cooling capacity Evaporator coil frosting may occur at airflows below this point 2 Dashes indicate portions of table that are beyond the blower motor capacity or are not recommended 3 Deduct 10 percent for 208 v TABLE 5 FILTER PRESSURE DROP TABLE IN WG FILTER SIZE 20 X 20 X 1 1900 2000 2100 2200
43. erve that unit operates in Cooling mode when temperature control is set to call for Cooling below room temperature and unit operates in Heating mode when temperature control is set to call for Heating above room temperature IMPORTANT Three phase scroll compressors are direction oriented Unit must be checked to ensure proper compressor 3 phase power lead orientation If not corrected within 5 minutes 16 the internal protector will shut off the compressor The 3 phase power leads to the unit must be reversed to correct rotation When turning backwards the difference between compressor suction and discharge pressures may be dramatically lower than normal B CHECKING AND ADJUSTING REFRIGERANT CHARGE The refrigerant system is fully charged with R 410A refrigerant and is tested and factory sealed NOTE Adjustment of the refrigerant charge is not required unless the unit is suspected of not having the proper R 410A charge The charging label and the tables shown refer to system temperatures and pressures in Cooling mode only A refrigerant charging label is attached to the outside of the service access door If charge level is suspect in Heating mode reclaim all refrigerant and charge to nameplate amount This information may be obtained from the physical data table also The charging label and the tables shown refer to system temperatures and pressures in Cooling mode only A refrigerant charging label is att
44. essor off period followed by 30 sec of defrost with com pressor operation On return to heating operation compressor will again turn off for an additional 30 sec and the outdoor fan for 40 sec When the Quiet Shift is in OFF position only a brief 30 sec cycle will be observed If it is desirable to observe a complete defrost in warmer weather the defrost thermostat must be closed as follows 1 Turn off power to outdoor unit 2 Disconnect outdoor fan motor lead from OF2 on control board See Fig 19 Tape to prevent grounding 024 60 Hz COOLING CHARGING CHART For use with units using R410a Refrigerant SUCTION LINE TEMPERATURE DEG C 7 A 4 10 15 21 26 180 1152 160 1052 952 852 SUCTION LINE PRESSURE PSIG 752 100 652 552 20 30 40 50 60 70 80 SUCTION LINE TEMPERATURE DEG F SUCTION LINE PRESSURE kPa OUTDOOR TEMP F c 125 52 115 46 105 41 935 8 29 5 4 6 18 5018 457 50JZ500066 C00082 Fig 25 Cooling Charging Chart 602B 024 Units SUCTION LINE PRESSURE PSIG 036 60 Hz COOLING CHARGING CHART For Use with Units Using R410a Refrigerant SUCTION LINE TEMPERATURE DEG C 7 A 4 10 15 2 26 180 170 1173 160 1104 150 1035 140 966 130 897 120 828 SUCTION LINE PRESSURE KILOPASCALS 110 759 100 690 90 621 80 552 20 30 40 7 80 50 0 SUCTION LINE TEMPERATURE DEG a 50JZ500068 OUTDOOR
45. g 16 Electrical Data Legend e THERMOSTAT UNIT CONTROL POWER AND SUBBASE SPLICE BOX C99056 Fig 17 Control Connections 14 GROUND LUG IN SLPICE BOX GROUND SINGLE PHASE Chao CONNECTIONS TO DISCONNECT PER NEC L2 3 PHASE Le ed CONNECTIONS NOTE Use copper wire only LEGEND NEC National Electrical Code Field Wiring Splice Connections C99057 Fig 18 Line Power Connections PRE START UP WARNING Failure to observe the following warnings could result in serious personal injury or death 1 Follow recognized safety practices and wear protective goggles when checking or servicing refrigerant system 2 Do not operate compressor or provide any electric power to unit unless compressor terminal cover is in place and secured Do not remove compressor terminal cover until all electrical sources are disconnected Relieve and recover all refrigerant from both high and low pressure sides of system before touching or dis turbing anything inside terminal box if refrigerant leak is suspected around compressor terminals Never attempt to repair soldered connection while refrigerant system is under pressure Do not use torch to remove any component System contains oil and refrigerant under pressure To remove a component wear protective goggles and proceed as follows a Shut off electrical power to unit b Relieve and reclaim all refrigerant from system C9
46. gu f 777 FIELD POWER WIRING 2 DE FROST AE IE T IT ACCESSORY OR OPTIONAL EouiPEGUIPRENT S OR Z or ZH oR a WIRING E p SINGLE PT FU FUSE 7 7 7 CONNECTION mmm TO INDICATE COMMON GND GROUND Z gon GEI FOR POTENTIAL ONLY HPS HIGH PRESSURE SWITCH SS agua aaa Y NOT TO REPRESENT WIRING HR HEATER RELAY ELECT HEAT 90 HIR HEATER DEFAULT IFM INDOOR FAN MOTOR LPS LOW PRESSURE SWITCH OFM OUTDOOR FAN MOTOR or QUADRUPLE TERMINAL FIELD SELECTABLE OPTIONS FOR TIME PERIOD RVS REVERSING VALVE SOLENOID BETWEEN DEFROST CYCLES MINUTES aie 8 SLOW BLOW FUSE THE COMPRESSOR WILL SHUT OFF FOR 30 SEC ON DEFROST to USO INITIATION AND TERMINATION IN THE QUIET SHIFT ON TH THERMOSTAT HEATING gt SEE HEATER TRAN TRANSFORMER SPEED JUMPERED TEST PINS USE METAL OBJECT SCHEMATIC UP FIELD SPEED UP CYCLE FOR WIRING 1 MOMENTARILY SHORT PINS AND RELEASE TO BYPASS DISCONNECT COMPRESSOR OFF DELAY PER NEC EE a Aut RES GE GE ce 2 SHORT FOR 54 SEC AND RELEASE FOR FORCED DEFROST IT MUST BE REPLACED WITH TYPE 90 DEGREE C WIRE OR ST PERMANENT SHORT WILL BE IGNORED 24V POWER ENTRY IT S EQUIVALENT e 2 SEE PRICE PAGES FOR THERMOSTAT AND SUBBASES DEFROST WILL TERMINATE IN 30 SEC IF DFT OPEN 3 USE 75 DEGREE COPPER CONDUCTORS FOR FIELD INSTALLATION DEFROST WILL TERMINATE NORMALLY IF DFT IS CLOSED 042 060 4 FOR HIGH SPEED IFM DISCONNECT RED WIRE FROM TOR 3 AND CONNECT BLK WIRE FROM IFM FOR MEDIUM SPEED DISCONNECT RED WIRE FROM TDR 3 AN
47. in property damage or injury B Compressor Oil The compressor in this system uses a polyolester POE oil Mobil 3MA POE This oil is extremely hygroscopic meaning it absorbs water readily POE oils can absorb 15 times as much water as other oils designed for HCFC and CFC refrigerants Take all necessary precautions to avoid exposure of the oil to the atmosphere C Servicing Systems on Roofs with Synthetic Materi als POE polyolester compressor lubricants are known to cause long term damage to some synthetic roofing materials Exposure even if immediately cleaned up may cause embrittle ment leading to cracking to occur in one year or more When performing any service that may risk exposure of compressor oil to the roof take appropriate precautions to protect roofing Proce dures which risk oil leakage include but are not limited to compressor replacement repairing refrigerant leaks replacing refrigerant components such as filter drier pressure switch me tering device coil accumulator or reversing valve SYNTHETIC ROOF PRECAUTIONARY PROCEDURE 1 Cover extended roof working area with an impermeable polyethylene plastic drip cloth or tarp Cover an approxi mate 10 X 10 ft area 2 Cover area in front of the unit service panel with a terry cloth shop towel to absorb lubricant spills and prevent run offs and protect drop cloth from tears caused by tools or components 3 Place terry cloth shop towel inside
48. ing Determine cause and correct SYMPTOM CAUSE REMEDY Head pressure too low Excessive suction pressure Low refrigerant charge Check for leaks repair and recharge Restriction in liquid tube Heat Outdoor coil frosted Remove restriction Move timer on control board to 30 minutes between defrost cycles Cool High Heat load Check for source and eliminate Reversing valve hung up or leaking internally Replace valve Refrigerant overcharged Recover excess refrigerant Suction pressure too low Cool Dirty air filter Replace filter Heat Outdoor coil frosted Move timer on control board to 30 minutes between defrost cycles Low refrigerant charge Check for leaks repair and recharge Metering device or low side restricted Remove source of restriction Cool Insufficient coil airflow Increase air quantity Check filter replace if necessary Cool Temperature too low in conditioned area Cool Outdoor ambient below 40 F Reset thermostat Install low ambient kit Filter drier restricted Replace Compressor runs but outdoor fan does not NC normally closed contacts on defrost board open Check condition of relay on board Replace if necessary IFM does not run Blower wheel not secured to shaft Properly tighten blower wheel to shaft Insufficient voltage at motor Determine cause and correct Power connectors not properly
49. ion is that on closure of wall thermostat and at end of a fixed on delay of 1 sec fan relay is energized When thermostat is satisfied an off delay is initiated When fixed delay of 60 5 sec or 30 5 sec is completed fan relay is de energized and fan motor stops If wall thermostat closes during this delay TDR is reset and fan relay remains energized TDR is a 24v device that operates within a range of 15v to 30v and draws about 0 5 amps If the blower runs continuously instead of cycling off when the fan switch is set on AUTO the TDR is probably defective and must be replaced B Loss of Charge Switch The loss of charge switch is a protective device wired into control circuit low voltage It shuts off the compressor if abnormally low pressures are present in the refrigeration circuit NOTE Because these switches are attached to refrigeration system under pressure it is not advisable to remove this device for troubleshooting unless you are reasonably certain that a problem exists If switch must be removed remove and recover all system charge so that pressure gauges read 0 psi Never open system without breaking vacuum with dry nitrogen C Check Defrost Thermostat There is a liquid header with a brass distributor and feeder tube going into outdoor coil At the end of 1 of the feeder tubes there is a 3 8 in OD stub tube approximately 3 in long See Fig 33 The defrost thermostat should be located on stub tube Note that there i
50. ipment is rated for Puron R 410A INTRODUCTION The 602B heat pump is fully self contained and designed for outdoor installation See Fig 1 Standard units are shipped in a horizontal discharge configuration for installation on a ground level slab Standard units can be converted to downflow vertical discharge configurations for rooftop applications RECEIVING AND INSTALLATION I CHECK EQUIPMENT A IDENTIFY UNIT The unit model number and serial number are stamped on the unit identification plate Check this information against shipping pa pers B INSPECT SHIPMENT Inspect for shipping damage while unit is still on shipping pallet If unit appears to be damaged or is torn loose from its anchorage have it examined by transportation inspectors before removal Forward claim papers directly to transportation company Manu facturer is not responsible for any damage incurred in transit Check all items against shipping list Immediately notify the nearest Bryant Air Conditioning office if any item is missing To prevent loss or damage leave all parts in original packages until installation II PROVIDE UNIT SUPPORT A ROOF CURB Install accessory roof curb in accordance with instructions shipped with curb See Fig 5 Install insulation cant strips roofing and flashing Ductwork must be attached to curb IMPORTANT The gasketing of the unit to the roof curb is critical for a watertight seal Install gasketing material
51. ircuit breaker size and minimum circuit amps ampacity for wire sizing See Table 3 for electrical data The field supplied disconnect may be mounted on the unit over the high voltage inlet hole See Figs 2 and 3 If the unit has an electric heater a second disconnect may be required Consult the Installation Start Up and Service Instruc tions provided with the accessory for electrical service connec tions Operation of unit on improper line voltage constitutes abuse and may cause unit damage that could affect warranty B ROUTING POWER LEADS INTO UNIT Use only copper wire between disconnect and unit The high voltage leads should be in a conduit until they enter the duct panel conduit termination at the duct panel must be watertight Run the high voltage leads through the power entry knockout on the power entry side panel See Fig 2 and 3 for location and size When the leads are inside the unit run leads up the high voltage raceway to the line wiring splice box See Fig 13 through 15 For single __ INDOOR THERMOSTAT FROM POWER SOURCE DISCONNECT PER NEC NEC NATIONAL ELECTRICAL CODE C00063 Fig 10 Typical Installation j HEN VEN INN TTI iii iii d Duct Covers C00092 Fig 11 602B with Duct Covers On phase units connect leads to the black and yellow wires for 3 phase units connect the leads to the black yellow and blue wires
52. low this warning can cause a fire serious injury or death The scroll compressor pumps refrigerant throughout the system by the interaction of a stationary and an orbiting scroll The scroll compressor has no dynamic suction or discharge valves and it is more tolerant of stresses caused by debris liquid slugging and flooded starts The compressor is equipped with an anti rotational device and an internal pressure relief port The anti rotational device prevents the scroll from turning backwards and replaces the need for a cycle protector The pressure relief port is a safety device designed to protect against extreme high pressure The relief port has an operating range between 550 and 625 psi differential pressure The Copeland scroll compressor uses Mobil 3MA POE oil This is the only oil allowed for oil recharge XIII REFRIGERANT SYSTEM This step covers the refrigerant system of the 602B including the compressor oil needed servicing systems on roofs containing synthetic materials the filter drier and refrigerant charging A Refrigerant CAUTION This system uses Puron R 410A refriger ant which has higher operating pressures than R 22 and other refrigerants No other refrigerant may be used in this system Gauge set hoses and recovery system must be designed to handle Puron If you are unsure consult the equipment manufacturer Failure to use Puron compatible servicing equipment or replacement components may result
53. must be within the normal operating range of the unit F TO USE COOLING CHARGING CHARTS Take the outdoor ambient temperature and read the suction pressure gauge Refer to the chart to determine what the suction temperature should be NOTE If the problem causing the inaccurate readings is a refrigerant leak refer to Check for Refrigerant Leaks section G INDOOR AIRFLOW AND AIRFLOW ADJUSTMENTS CAUTION For heating and cooling operation the rec ommended airflow is 350 to 450 cfm for each 12 000 A Btuh of rated cooling capacity For units with optional electric heat the airflow must not be reduced below the levels stated in Table 2 Table 4 shows both heating and cooling airflows at various external static pressures Refer to these tables to determine the airflow for the system being installed PF N OUTDOOR COIL I Tor INDOOR COIL la Bypass Position Lal E KL E Gel SS HO HE i a 3 LCS DE 2 ES HPS LLI g HH Use 9 A ez Metering Position LEGEND HPS High Pressure Switch LCS Loss of Charge Switch Gt Accurater Metering Device 4 Arrow indicates direction of flow e ACCUMULATOR COMPRESSOR LEGEND HPS High Pressure Switch LCS L
54. nduit approved for electrical ground when installed in accordance with NEC ANSI NFPA Ameri can National Standards Institute National Fire Protection Association latest edition in Canada Canadian Electri cal Code CSA C22 1 and local electrical codes Failure to adhere to this warning could result in serious injury or death L4EET GOP TIONAL f RETURN AIR i SUPPLY AIR Y OPENING EVAP COIL COND COIL C99096 Fig 7 Slab Mounting Detail HANDHOLD C99067 Fig 8 Threading Belt DETAIL A SCALE 0 250 TIGHTEN STRAPPING SECURELY WITH TENSION BUCKLE INSTALL SAFETY STRAPS TO RIGGING CLEVIS AT 4 RIGGING BRACKETS PLACE RIGGING BRACKET ASSEMBLY IN 4 HAND HOLES AND INSTALL TIE DOWN STRAP AROUND PERIMETER OF UNIT AND THROUGH SEE DETAIL A SPACE IN BRACKET ASSEMBLY C99075 UNIT WAXIMUMWEIGHT AIR Size Ib kg 602B024 321 145 6 602B030 342 155 2 602B036 350 158 8 602B042 372 168 8 602B048 171 0 602B060 204 2 20 0 21 0 Fig 9 Suggested Rigging 7 TABLE 1 PHYSICAL DATA UNIT 602B UNIT SIZE 602B024 6028030 602B036 602B042 NOMINAL CAPACITY ton 3 3 1 2 OPERATING WEIGHT Ib 328 350 COMPRESSOR QUANTITY 1 TYPE SCROLL COMPRESSOR REFRIGERANT R 410A REFRIGERANT METERING DEVICE Accurater Refrigerant R 410A Quantity Ib 7 0 8 9 9 3 9 5 ORIFICE ID in 0 061 0 061 0 067 0 073 ORIFICE OD in 0 032 2
55. oss of Charge Switch ME Accurater Metering Device H C00095 Fig 22 Typical Heat Pump Operation Heating Mode y OUTDOOR COIL E INDOOR COIL il Metering al Position 5 el ei pae EE i d e pe N y LOS fa i er YAA yt Bypass Position Arrow indicates direction of flow C00096 Fig 23 Typical Heat Pump Operation Cooling Mode NOTE Be sure that all supply and return air grilles are open free from obstructions and adjusted properly Airflow can be changed by changing the lead connection of the blower motor Unit 602B three speed motors except sizes 030 and 048 are factory wired for low speed operation Units 602B 030 and 048 are factory wired for medium speed For 208 230 v Motors The motor leads are color coded as follows 3 SPEED Black high speed Blue medium speed Red low speed To change the speed of the blower motor BM remove the fan motor speed leg lead from the blower relay BR This wire is attached to IGC terminal BM for single phase and 3 phase units To change the speed remove and replace with lead for desired blower motor speed Insulate the removed lead to avoid contact with chassis parts For 460 v GE Motors The motor leads are color coded as follows 3 SPEED Black high Violet jumper Orange medium Red low To change the speed of the blower motor BM remov
56. r 3 Check system for leaks using an approved method 4 Evacuate refrigerant system and reclaim refrigerant if no additional leaks are found 5 Charge unit with R 410A refrigerant using a volumetric charging cylinder or accurate scale Refer to unit rating plate for required charge ll START UP ADJUSTMENTS Complete the required procedures given in the Pre Start Up section before starting the unit Do not jumper any safety devices when operating the unit Do not operate the unit in Cooling mode when the outdoor temperature is below 40 F unless accessory low ambient kit is installed Do not rapid cycle the compressor Allow 5 min between on cycles to prevent compressor damage A CHECKING COOLING AND HEATING CONTROL OP ERATION Start and check the unit for proper control operation as follows 1 Place room thermostat SYSTEM switch or MODE control in OFF position Observe that blower motor starts when FAN mode is placed in FAN ON position and shuts down within 60 sec 030 060 size or 30 sec 024 size when FAN MODE switch is placed in AUTO position 2 Place system switch or MODE control in HEAT position Set control above room temperature Observe that compres sor outdoor fan and indoor blower motors start Observe that heating cycle shuts down when control setting is satisfied 3 When using an automatic changeover room thermostat place both SYSTEM or MODE control and FAN mode switches in AUTO positions Obs
57. r leads across switch You should have continuity on a good switch NOTE Because these switches are attached to refrigeration system under pressure it is not advisable to remove this device for troubleshooting unless you are reasonably certain that a problem exists If switch must be removed remove and recover all system charge so that pressure gauges read 0 psi Never open system without breaking vacuum with dry nitrogen XI HIGH PRESSURE SWITCH The high pressure switch is located in the discharge line and protects against excessive condenser coil pressure It opens at 610 psig High pressure may be caused by a dirty outdoor coil failed fan motor or outdoor air recirculation To check switch 1 Turn off all power to unit 2 Disconnect leads on switch 3 Apply ohm meter leads across switch You should have continuity on a good switch XII COPELAND SCROLL COMPRESSOR PURON RE FRIGERANT The compressor used in this product is specifically designed to operate with Puron R 410A refrigerant and cannot be inter changed The compressor is an electrical as well as mechanical device Exercise extreme caution when working near compressors Power should be shut off if possible for most troubleshooting tech niques Refrigerants present additional safety hazards WARNING Wear safety glasses and gloves when han A dling refrigerants Keep torches and other ignition sources away from refrigerants and oils Failure to fol
58. r the outdoor air inlet or the fan discharge may be detrimental to compressor life Do not place the unit where water ice or snow from an overhang or roof will damage or flood the unit Do not install the unit on carpeting or other combustible materials Slab mounted units should be at least 4 in above the highest expected water and runoff levels Do not use unit if it has been under water IV RIG AND PLACE UNIT Rigging and handling of this equipment can be hazardous for many reasons due to the installation location roofs elevated structures etc Only trained qualified crane operators and ground support staff should handle and install this equipment When working with this equipment observe precautions in the literature on tags stickers and labels attached to the equipment and any other safety precautions that might apply Follow all applicable safety codes Wear safety shoes and work gloves A INSPECTION Prior to initial use and at monthly intervals all rigging brackets and straps should be visually inspected for any damage evidence of wear structural deformation or cracks Particular attention should be paid to excessive wear at hoist hooking points and load support areas Brackets or straps showing any kind of wear in these areas must not be used and should be discarded B INSTALLATION 1 Remove unit from shipping carton Leave top shipping skid on the unit as a spreader bar to prevent the rigging straps from
59. s only 1 stub tube used with liquid header and on most units it is the bottom circuit FEEDER TUBE STUB TUBE de DEFROST THERMOSTAT C99029 Fig 33 Defrost Thermostat The defrost thermostat signals heat pump that conditions are right for defrost or that conditions have changed to terminate defrost It is a thermally actuated switch clamped to outdoor coil to sense its temperature Normal temperature range is closed at 30 3 F and open at 80 5 F NOTE The defrost thermostat must be located on the liquid side of the outdoor coil on the bottom circuit and as close to the coil as possible TROUBLESHOOTING Refer to the Cooling and Heating Troubleshooting Chart Table 7 for troubleshooting information START UP CHECKLIST Use the Start Up checklist to ensure proper start up procedures are followed HEAT PUMP WITH PURON QUICK REFERENCE GUIDE Puron refrigerant operates at 50 70 percent higher pressures than R 22 Be sure that servicing equipment and replacement components are de signed to operate with Puron Puron refrigerant cylinders are rose colored Puron refrigerant cylinders manufactured prior to March 1 1999 have a dip tube that allows liquid to flow out of cylinder in upright position Cylinders manufactured March 1 1999 and later DO NOT have a dip tube and MUST be positioned upside down to allow liquid to flow Recovery cylinder service pressure rating must be 400 psig DOT 4BA400 or D
60. supplied with the roof curb Improperly applied gasketing also can result in air leaks and poor unit performance Curb should be level to within 1 4 in See Fig 6 This is necessary for unit drain to function properly Refer to accessory roof curb installation instructions for additional information as required B SLAB MOUNT Place the unit on a solid level concrete pad that is a minimum of 4 in thick with 2 in above grade See Fig 7 The slab should extend approximately 2 in beyond the casing on all 4 sides of the unit Do not secure the unit to the slab except when required by local codes C GROUND MOUNT The unit may be installed either on a slab or placed directly on the ground if local codes permit Place the unit on level ground prepared with gravel for condensate discharge III PROVIDE CLEARANCES The required minimum service clearances are shown in Figs 2 and 3 Adequate ventilation and outdoor air must be provided The outdoor fan draws air through the outdoor coil and discharges it through the top fan grill Be sure that the fan discharge does not recirculate to the outdoor coil Do not locate the unit in either a corner or under an overhead obstruction The minimum clearance under a partial overhang such as a normal house overhang is 48 in above the unit top The maximum horizontal extension of a partial overhang must not exceed 48 in IMPORTANT Do not restrict outdoor airflow An air restriction at eithe
61. tal sleeve inside duct Heat resistant duct connector or sheet metal sleeve must extend 24 in from electric heater element 3 Size ductwork for cooling air quantity cfm The minimum air quantity for proper electric heater operation is listed in Table 2 Heater limit switches may trip at air quantities below those recommended 4 Seal insulate and weatherproof all external ductwork Seal insulate and cover with a vapor barrier all ductwork passing through conditioned spaces Follow latest Sheet Metal and Air Conditioning Contractors National Association SMACNA and Air Conditioning Contractors Association ACCA minimum installation standards for residential heating and air conditioning systems 5 Secure all ducts to building structure Flash weatherproof and vibration isolate duct openings in wall or roof accord ing to good construction practices A CONVERTING HORIZONTAL DISCHARGE UNITS TO DOWNFLOW VERTICAL DISCHARGE UNITS WARNING Before performing service or maintenance operations on system turn off main power to unit Turn off accessory heater power switch if applicable Electrical shock could cause serious injury or death 1 Open all electrical disconnects before starting any service work 2 Remove horizontal duct covers to access bottom return and supply knock out panels Gasketing Screw inner flange NOTE A Screw Gasketin NOTE A P S inner flange
62. unit immediately under component s to be serviced and prevent lubricant run offs through the louvered openings in the base pan 4 Perform required service 5 Remove and dispose of any oil contaminated material per local codes D Liquid Line Filter Drier The biflow filter drier is specifically designed to operate with Puron Use only factory authorized components Filter drier must be replaced whenever the refrigerant system is opened When removing a filter drier use a tubing cutter to cut the drier from the system Do not unsweat a filter drier from the system Heat from unsweating will release moisture and contaminants from drier into system E Puron R 410A Refrigerant Charging Refer to unit information plate and charging chart Some R 410A refrigerant cylinders contain a dip tube to allow liquid refrig erant to flow from cylinder in upright position For cylinders equipped with a dip tube charge Puron units with cylinder in upright position and a commercial metering device in manifold hose Charge refrigerant into suction line 24 XIV SYSTEM INFORMATION A Time Delay Relay The Time Delay Relay TDR is a solid state control recycle delay timer which keeps indoor blower operating for 60 sec on 030 060 sizes or 30 sec on 024 size after thermostat is satisfied This delay enables blower to remove residual cooling in coil after compression shutdown thereby improving efficiency of system The sequence of operat
63. w minutes in Heating mode liquid line tempera ture should drop below closing point of defrost thermostat approximately 30 F NOTE Unit will remain in defrost until defrost thermostat reopens at approximately 80 F coil temperature at liquid line or remainder of defrost cycle time 5 Turn off power to outdoor and reconnect fan motor lead to OF2 on control board after above forced defrost cycle MAINTENANCE To ensure continuing high performance and to minimize the possibility of premature equipment failure periodic maintenance must be performed on this equipment This heat pump unit should be inspected at least once each year by a qualified service person To troubleshoot unit refer to Table 7 NOTE TO EQUIPMENT OWNER Consult your local dealer about the availability of a maintenance contract WARNING The ability to properly perform mainte nance on this equipment requires certain expertise me chanical skills tools and equipment If you do not possess these do not attempt to perform any maintenance on this A equipment other than those procedures recommended in the User s Manual FAILURE TO HEED THIS WARN ING COULD RESULT IN SERIOUS INJURY OR DEATH AND POSSIBLE DAMAGE TO THIS EQUIP MENT 060 60 Hz COOLING CHARGING CHART For use with units using R410a Refrigerant SUCTION LINE TEMPERATURE DEG C 7 A 4 10 5 21 2 180 OUTDOOR TEMP wr fF oC 125 52 170 t104 115 46 105 4 103 SUCTION L
64. ype as originally installed See Table 1 for recommended filter sizes Inspect air filter s at least once each month and replace throwaway type or clean cleanable type at least twice during each cooling season and twice during the heating season or whenever the filter becomes clogged with dust and lint O D lt O 0 000000 dndssdSs Mo EI L 440 HIINIL IWAYSLNI Speedup Pins SEL SE CESO130076 00 Defrost interval DIP switches A99442 Fig 31 Defrost Control II INDOOR BLOWER AND MOTOR NOTE All motors are prelubricated Do not attempt to lubricate these motors For longer life operating economy and continuing efficiency clean accumulated dirt and grease from the blower wheel and motor annually WARNING Disconnect and tag electrical power to the A unit before cleaning and lubricating the blower motor and wheel Failure to adhere to this warning could cause personal injury or death III OUTDOOR COIL INDOOR COIL AND CONDEN SATE DRAIN PAN Inspect the condenser coil evaporator coil and condensate drain pan at least once each year The coils are easily cleaned when dry therefore inspect and clean the coils either before or after each cooling season Remove all obstructions including weeds and shrubs that interfere with the airflow through the condenser coil Straighten bent fins with a fin comb If coated with dirt or lint clean the coils with a vacuum cleaner using the soft

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