32
5 - ELECTRICAL CONNECTIONS
5.20 WATER RESET
SUMMER
If the refrigerant needs is low, the setpoint is lowered: the WR
signal is high or maximum.
The correction is added to the set-point (it increases at the
outside temp. decreasing)
WINTER
If the thermal needs is low, the setpoint is lowered: the WR
signal is low or null.
The correction is subtracted to the set-point (it decreases at
the outside temp. increasing)
Configuration paramenters *
5 Enables Water Reset (0=No 1=Cool 2=Heat 3=Always)
127
Max. value of the winter WR correction
128
Signal corresponding to the max. winter correction
129
Signal corresponding to the min. winter correction
130
Max. Summer correction value
131
Signal corresponding to the max. summer correction
132
Signal corresponding to the min. summer correction
5.21 SET POINT CORRECTION
ON OUTSIDE TEMPERATURE AND HUMIDITY
SUMMER
With low outside temperatures the refrigerant needs is redu-
ced .
The internal comfort can be obtained also with a set-point
higher than standard.
The correction is added to the set-point ( it increases at the
outside temp. decreasing) .
WINTER
With mild outside temperatures the thermal needs is reduced.
The internal comfort can be obtained also with a lower set-
point.
The correction is subtracted to the set-point ( it decreases at
the outside temp. increasing)
5
6
+
XC2
-
4-20 mA
- +
XC 2
132
131
130
m
SET POINT
128
129
127
m
SET POINT
8
7
+
XC 2
t EXT
108
SET POINT
105
104
t EXT
106
107
109
SET POINT
Configuration paramenters *
4 Enables compensations
(0=No 1=Cool 2=Heat 3=Always)
104
Outside temp.: max. Summer correction
105
Outside temp.: min. Summer correction
106
Outside temp.: max. Winter correction
107
Outside temp.: min. Winter correction
108
Max. Summer correction value
109
Max. Winter correction value
* Parameters accessible through the installer password 115).
The access by pwd is reserved to qualified personnel;
The parameters changes may cause malfunctions.
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