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PARAMETER
FEATURE
NUMBER
MIN WATER
120
TEMPERATURE
HEATING
MAX WATER
121
TEMPERATURE
HEATING
MAX OUTDOOR
122
AIR TEMPERATURE
COOLING
MIN OUTDOOR
123
AIR TEMPERATURE
COOLING
MIN WATER
124
TEMPERATURE
COOLING
MAX WATER
125
TEMPERATURE
COOLING
GMC OAT
126
THERMISTOR
127 ( )
TO SENSOR VALUE
TE SENSOR VALUE
128 ( )
TS SENSOR VALUE
129 ( )
130 ( )
TD SENSOR VALUE
131 ( )
CDU MODE
MAX COMPRESSOR
132 ( )
FREQUENCY
REQUESTED
133 ( )
FREQUENCY
REAL FREQUENCY
134 ( )
COMPRESSOR
135 ( )
RUNTIME
CDU CAPACITY
136 ( )
EWT SENSOR VALUE
137 ( )
138 ( )
LWT SENSOR VALUE
TR SENSOR VALUE
139 ( )
SYSTEM MODE
140 ( )
DEF MODULE
141 ( )
GMC SOFTWARE
142 ( )
VERSION
GMC SOFTWARE
143 ( )
RELEASE
WATER PUMP
144 ( )
RUNTIME
CURRENT WATER
145 ( )
SET-POINT
146
DRY CONTACT OFF
ALARM / SATISFIED
147
AIR ROOM
TEMPERATURE
148
OAT LIMIT
DESCRIPTION
This code is use to select the minimum water temperature of the heating climatic
curve.
This code is use to select the maximum water temperature of the heating
climatic curve.
This code is use to select the maximum outdoor temperature of the cooling
climatic curve, depending on the country where the system is installed.
This code is use to select the minimum outdoor temperature of the cooling
climatic curve.
This code is use to select the minimum water temperature of the cooling climatic
curve.
This code is use to select the maximum water temperature of the cooling
climatic curve.
1. GMC thermistor installed
2. GMC thermistor not installed
This code displays the outdoor air temperature value read by the TO sensor.
This code displays the refrigerant temperature value read by the TE sensor.
This code displays the suction temperature value read by the TS sensor.
This code displays the discharge temperature value read by the TD sensor.
This code displays the actual Heat Pump operating mode:
2. Cool
3 Heat
4. Fail
5. Defrost
This code displays the maximum compressor frequency calculated by GMC
control board.
This code displays the requested frequency by the system control.
This code displays the real compressor frequency.
This code displays the working on hours (x10) of the compressor.
This code displays the nominal heat pump capacity [kW].
This code displays the Entering Water Temperature read by the EWT sensor.
This code displays the Leaving Water Temperature read by the LWT sensor.
This code displays the refrigerant temperature value read by the TR sensor.
This code displays the operating mode requested by the System Control:
1. Stand by
2. Cooling
3. Heating
4. N.A.
5. N.A.
6. Rating Heating
7. Rating Cooling
8. Freeze Protection
9. Defrost
10. High Temperature Protection
11. Time guard
12. System Fail
13. Advanced Freeze Protection
This code displays the list of the all fault codes detected by the outdoor unit. If no
fault are occurring, no codes will be displayed.
This code displays the GMC Software Version.
This code displays the GMC Software Release.
This code displays the working on hours (x10) of the water pump.
1. Standard OFF
This code is use to select the output connected at PIN 5 on terminal strip:
1. Alarm signal 1 2 1
2. Signal of reached air temperature set-point
This code is use to set the OAT threshold value under which only the external heat
source will be operative as per algorithm. (Stop HP)
VALUE
RANGE
STANDARD
Min
Max
20°C
60°C
40°C
20°C
60°C
55°C
24°C
46°C
40°C
0°C
30°C
22°C
4°C
20°C
4°C
4°C
20°C
12°C
1
2
2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
2
1
1
2
1
-20°C
65°C
-20°C
9
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