ICE AIR ccHPWH Series, Installation And Maintenance Manual

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2. Trouble shooting
2.1. Control protection function list
1) Cut-out protection
2) Low water flow
3) Phase sequence protection
4) Low suction pressure protection
5) Compressor overcurrent protection
6) Compressor overload protection
7) Excessive exhaust pressure protection
8) Excessive exhaust temperature protection
9) Frost protection
2.2. Fault analysis and elimination of electric control panel display
•
Reset mode: A = Automatic reset; M = Manual reset; A/M = limited automatic reset; Refer to the "Fault
Reset Instructions."
•
If there is no special explanation for the following switch quantity faults, they will alarm only after
[general fault delay] shaking elimination.
•
The following sensor faults will alarm after 4 seconds of quenching without special instructions.
Fault reset instructions
4 reset modes of faults:
1) Power on and reset
After fault clearance, can only be reset after power-on again.
Like EEPROM data fault.
2) Limited automatic reset (A/M)
After the fault clearance,
【
Automatic reset time
】
delays, during this time no longer appear the same
fault, automatic reset.
Within
【
automatic reset allows
】
set time, it can automatically reset for 2 times, alarm cumulative
number > 2 times, need to manually reset.
After manual reset, the alarm times can be accumulated again.
Limited faults: check the fault table.
3) Automatic reset (A)
Alarm after the fault clearance,
【
automatic reset timedelay
】
, this time no longer appear the same
fault, automatic reset.
Automatic reset without number;
Fault self-recovery: check the fault table.
4) Manual reset (M)
Alarm after the fault clearance, only by manual reset controller;
1) 2) 3) Type failure can also be manually reset.