Bryant PREFERRED 538B Series Installation Instructions Manual Download Page 9 | Manualshive

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9

TROUBLESHOOTING

LEGEND

NOTE: For systems with indoor units equipped with microprocessor
control, see separate controls, service, and troubleshooting manual.

NC

— Normally Closed

ODT — Outdoor Thermostat

A07435

Fig. 10

---

Troubleshooting the Cooling Cycle

538B

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Summary of Contents for PREFERRED 538B Series

Page 1: ...n literature and attached to the unit Consult local building codes and the current editions of the National Electrical Code NEC NFPA70 In Canada refer to the current editions of the Canadian Electrica...

Page 2: ...pes Matching of outdoor unit with indoor unit may require field replacement of piston Replace piston if required before connecting refrigerant lines See Fig 2 Piston replacement instructions are inclu...

Page 3: ...formation Filter Drier Refer to Fig 4 and install filter drier as follows 1 Braze 5 in 127 mm liquid tube to the indoor coil 2 Wrap filter drier with damp cloth 3 Braze filter drier to 5 in 127 mm lon...

Page 4: ...ction in unit control box A07429 Fig 6 538B Typical Control Circuit Connections NOTE Use No 18 AWG color coded insulated 35_C minimum wire If thermostat is located more than 100 ft 30 5 m from unit as...

Page 5: ...alve indicated by a sudden rise of suction pressure before suction pressure reaches 20 psig If this occurs shut off unit immediately then frontseat the suction valve and remove and recover excess refr...

Page 6: ...er on check for correct voltage at solenoid coil and for burned or overheated solenoid With unit operating other items can be checked such as frost or condensate on refrigerant lines Using a remote me...

Page 7: ...operly charged system If the indoor temperature is above 80_F 27_C and the outdoor temperature is in the favorable range adjust system charge by weight based on line length and allow the indoor temper...

Page 8: ...22 6 26 3 30 1 33 1 90 32 5 15 9 13 13 11 16 9 20 7 24 4 27 3 31 1 95 36 6 14 10 12 14 10 18 8 22 6 25 4 29 2 100 38 8 13 12 11 15 9 20 7 23 5 27 3 105 41 5 15 9 13 13 11 17 8 22 6 26 3 110 43 6 14 1...

Page 9: ...NOTE For systems with indoor units equipped with microprocessor control see separate controls service and troubleshooting manual NC Normally Closed ODT Outdoor Thermostat A07435 Fig 10 Troubleshootin...

Page 10: ...tdoor Thermostat A07436 Fig 11 Troubleshooting the Heating Cycle Always Ask For Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and withou...

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