Trane ComfortLink II 4TWZ0036B1000A Service Facts Download Page 9

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Heating Refrigeration Cycle

Cooling Refrigeration Cycle

NOTE 1:
Line Dampener
DO NOT REMOVE

L I N E DA M P E N E R

( S E E N OT E 1 )

L I N E DA M P E N E R

( S E E N OT E 1 )

Printed from D155727P01 Rev03

REFRIGERATION CIRCUITS

Summary of Contents for ComfortLink II 4TWZ0036B1000A

Page 1: ...Y R 410A REFRIGERANT AND APPROVED POE AB COMPRESSOR OIL PRODUCT SPECIFICATIONS OUTDOOR UNIT 12 POWER CONNS V PH HZ 3 MIN BRCH CIR AMPACITY BR CIR PROT RTG MAX AMPS COMPRESSOR NO USED NO SPEEDS VOLTS P...

Page 2: ...an be used in cooling mode only For complete instructions on using Charge Assist please see page 4 2 SCHEMATIC DIAGRAM MANUAL CHARGING BELOW 55 F OD AMBIENT IN HEATING MODE HP MODELS ONLY 1 The only r...

Page 3: ...2 When charging for ambient temperatures above 120 F charge to 10 subcooling It is important to return when outdoor ambient temperature is between 55 F and 120 F to verify system charge per these inst...

Page 4: ...ash slowly Liquid Line Temperature Must be within range If this sensor is shorted or open This error condition causes an 11 flash on FAULT LED Liquid Line Pressure Must be above 90 psig If the liquid...

Page 5: ...n LED will be turned ON The CA control will then exit the charge assist cycle and return the control of the system to the Communicating Comfort Control The Status Green LED will be slowly flashing The...

Page 6: ...TM data Low Pressure Cut Out Fault Open outside of defrost Cycle Short lock out Wait Flashing Flash device count when in communication number of COMM products connected in system Rapid flashes followe...

Page 7: ...sist Tool BAYCAKT001AA ADD AMBER LED BLINKING CHARGING STABILIZING AMBER LED BLINKING RECOVER RED LED CA procedure allows 1 hour to get within 20 psi of Charged and 50 minutes to move 4 psi Otherwise...

Page 8: ...0 250 300 350 400 450 500 550 40 60 80 100 120 115 125 135 145 155 165 175 185 40 60 80 100 120 115 125 135 145 155 165 175 185 40 60 80 100 120 40 50 60 70 80 90 100 110 120 130 140 150 160 5 5 15 25...

Page 9: ...Heating Refrigeration Cycle Cooling Refrigeration Cycle NOTE 1 Line Dampener DO NOT REMOVE LINE DAMPENER SEE NOTE 1 LINE DAMPENER SEE NOTE 1 Printed from D155727P01 Rev03 9 REFRIGERATION CIRCUITS...

Page 10: ...er up 10 hours max if compressors remain OFF Sump Heat OFF When a compressor is running Sump Heat OFF For 30 minutes after compressor s have stopped running Sump Heat OFF When outdoor temperature goes...

Page 11: ...Sensors J6 J7 TABLE 3 Temp F Temp C THERMISTOR RESISTANCE OHMS Volts DC at plug J8 Only pin to pin 50 10 0 19405 2 22 55 12 8 17002 2 06 60 15 6 14930 1 90 65 18 3 13138 1 75 70 21 1 11586 1 61 75 23...

Page 12: ...ng 3 9 Flash Low superheat in Cooling Mode Indoor TXV stuck open or ID Fan failure 10 Flash Not used at this time 3 Monitor superheat and pressure 3 SH for 5 minutes with valve minimum position Monito...

Page 13: ...n Service Facts EEV Hunting Suction pressure moves up down Sensor are out of calibration 1 Verify sensors are accurate See Table 7 8 in Service Facts Verify temperature sensor is clipped tight to suct...

Page 14: ...g LPCO may trip Note The Close Valve Test will exit after 1 5 minutes 90 seconds and will not reinitiate requires a break and make to initialize To clear faults stored in memory apply a jumper between...

Page 15: ...65 0 66 125 51 7 3298 0 60 130 54 4 2972 0 54 135 57 2 2683 0 50 136 57 8 2629 0 49 137 58 3 2576 0 48 138 58 9 2525 0 47 139 59 4 2474 0 46 140 60 0 2425 0 45 141 60 6 2377 0 45 142 61 1 2330 0 44 14...

Page 16: ...Trane www trane com Trane has a policy of continuous product and product data improvement and it reserves the right to change design and specifications without notice...