7
Installation
FEATURE
PARAMETER 
NUMBER
DESCRIPTION
VALUE 
RANGE
DEFAULT 
VALUE
INSTALLER 
VALUE
Min Max
ALARM OR
DEFROST
SELECTION
108
This parameter will select the output on
J7 Pin4.
12 2
1. With this conguration J7PIN4 is HIGH if there 
are activated any Unit alarms &/or Defrost
2. With this conguration J7PIN4 is HIGH if there 
are activated any Unit alarms
FROST DELTA SP  109
This parameter is dening the delta set point 
versus MIN COOL WT to activate the frost 
threshold limit °C (KGEL)
06 0
RESET COMP RUN 
TIME
110
This parameter is to give reset the compressor 
time to zero
000 165 000
FLOW SWITCH
STATUS
111
This parameter will display the Flow Switch 
status:
01
Read
status
1. Water Flowing
0. Water not owing
HEAT CLIMATIC
NUMBER
112
Selection of Heat Climatic Curve Number:
06 0
0. No predened Climatic Curve
(Installer has to draw Climatic Curve)
1 - 6. See Climatic curve details
HEAT WSP 113
Fixed Heating Water Set Point in case of the 
System is not used with the Comfort NUI
20°C 60°C 45°C
ECO HEAT T° RED 114
Temperature reduction value for xed HEAT 
Water Set Point (ECO)
1°C 20°C 5°C
COOL WSP 115
Fixed Cooling Water Set Point in case of the 
system is not used with the Comfort NUI control
4°C 25°C 7°C
ECO COOL T° RED 116
Temperature reduction value for xed COOL 
Water Set Point (ECO)
1°C 10°C 5°C
COOL CLIMATIC
NUMBER
117
Selection of Cool Climatic Curve number:
02 0
0. No predened Climatic Curve
(Installer has to draw Climatic Curve)
1 - 2. See Climatic curve details
REGION T° O
HEATING
118
Minimum outdoor Temperature depending on 
the country where the system is installed
-20°C 10°C -7°C
STOP H T° O
HEATING
119
The system stop to heat when the outdoor 
Temperature is equal or greater than the value of 
this parameter
10°C 30°C 20°C
NO HEAT T W1
HEATING
120
In heating mode, minimum water Temperature 
going to terminal zone 1
20°C 60°C 40°C
MAX W T° W1
HEATING
121
In heating mode, maximum water Temperature 
in terminal zone 1
20°C 60°C 55°C
MAX REGION T°
COOLING
122
Max region outside Temperature depending on 
the Country where the system is installed
24°C 46°C 40°C
COOL STOP T°
COOLING
123
The system stop to Cool when the outdoor 
Temperature is equal or superior to the value of 
this parameter
0°C 30°C 22°C
MIN COOL W T°
COOLING
124 In Cool mode, minimum water Temperature 4°C 20°C 4°C
MAX COOL W T°
COOLING
125 In Cool mode, max water Temperature 4°C 20°C 12°C
OAT INSTALLED 126
1. GMC OAT sensor installed
12 2
2. GMC OAT sensor not installed
CDU T°O 127
Outdoor Temperature value measured
by the CDU sensor
-- -
REFRIG T° TC 128 Coil refrigerant value measured by the CDU - - -
SUCTION T° 129 Compressor Suction Temperature - - -
DISCHARGE T° 130 Compressor Discharge Temperature - - -
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