Rheem RARL-JEC - Active Compressor Protection Modes; Locked Rotor Protection; Open Circuit Lockouts; Compressor Protector Trip

SERIAL COMMUNICATIONS CONTROL WIRING
COMFORT CONTROL
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SYSTEM™ CONTROL WIRING
Active Protection – Code L29 – Open high pressure control
IMPORTANT: This mode of active protection must be manually reset.
3) Locked Rotor
• The ICC will display a flashing “L” followed by a flashing “04” when a locked rotor
condition occurs.
Active Protection – Code L4 – Locked rotor
If the ICC detects the compressor has run less than 15 seconds for four (4) con-
secutive starts during the same command for unit operation, the ICC will lockout
the compressor to keep it from continuing to operate and flash a “L” on the dual 7-
segment LEDs followed by a “04”.
IMPORTANT: This mode of active protection must be manually reset.
4) Compressor Protector Trip
• If ICC detects a protector trip it will display a “P”. If protector doesn’t reset within 4
hours, the ICC display will change to “5”.
Compressor Protector – Code P – Protector Trip
5) Open Start Circuit Lockout
• The ICC will display a flashing “L” followed by a flashing “06” when an open start
circuit condition occurs.
Active Protection – Code L6 – Compressor open start circuit
If the ICC detects current in the run circuit without current present in the start cir-
cuit, , the ICC will lockout the compressor to keep it from continuing to operate
and flash a “L” on the dual 7-segment LEDs followed by a “06”.
IMPORTANT: This mode of active protection must be manually reset.
6) Open Run Circuit Lockout
• The ICC will display a flashing “L” followed by a flashing “07” when an open start
circuit condition occurs.
Active Protection – Code L7 – Compressor open run circuit
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