54
EGW05-SWHPEG-20140724
TM
TM
116 - Current Transducer Failure Compressor System 2
117 - Crankcase Heater Breaker Off on Compressor System 2
150 - 10 Fault Lockout of Compressor System 2
Fault history screen 1 also displays the following parameters:
T: - Return air temperature at the time the fault occurred.
RH: - Return air relative humidity at the time the fault occurred.
OT: - Outside air temperature at the time the fault occurred.
DP: - Outside air damper position at the time the fault occurred.
C1: - Compressor System 1 Mode at the time the fault occurred. The codes are as follows:
0 - Off
1 - Air Heating
3 - Water Heating
4 - Air Cooling
C2: - Compressor System 2 Mode at the time the fault occurred. The codes are the same as C1.
S1: - Compressor System 1 stages active at the time the fault occurred.
S2: - Compressor System 2 stages active at the time the fault occurred.
ST: - Supply air temperature at the time the fault occurred.
Fault history screen 2 also displays the following parameters:
SS1 – System Status 1. Factory use.
DP1 – Compressor System 1 Discharge Pressure
SS2 – System Status 2. Factory use.
SP1 – Compressor System 1 Suction Pressure
ST1 – Compressor System 1 Suction Temperature
LT1 – Compressor System 1 Liquid Temperature
Fault history screen 3 also displays the following parameters: (SWHP220-340 only)
SS1 – System Status 1. Factory use.
DP1 – Compressor System 1 Discharge Pressure
SS2 – System Status 2. Factory use.
SP2 – Compressor System 2 Suction Pressure
ST2 – Compressor System 2 Suction Temperature
LT2 – Compressor System 2 Liquid Temperature
MANUAL CONTROL
The ECC III contains an enhanced manual control mode for improved troubleshooting efficiency. This allows a qualified
HVAC service technician to manually control all digital and analog outputs.
Digital Output
Each digital output of the ECC III may be controlled individually by setting the corresponding parameter to one of three
possible values: AUTO, ON, or OFF. A setting of AUTO gives control of the digital output relay to the software in the
ECC III. ON will force the output relay to energize regardless of the status requested by the software. OFF will force the
output relay to de-energize regardless of the status requested by the software.