113
8.3.2 Backup heater in Supplementary mode
For space heating, once enabled, the heater will be activated according to the Water temperature, as shown in the
following graph.
The “HP unit control set point” is equal to the value set for Fixed set point control, or by the value determined by
the Climatic curve.
Parameters
Level
Parameter
Function description
Display & Input value
Remarks
Group Code
Default
min.
Max.
Unit
I
46
00
B ackup heater type of function
0=disable
1=Replacement mode
2=Emergency mode
3=Supplementary mode
0
0
3
-
Par4600 and Par4700
are synchronized
Par4600=1, 2, 3
→ Par=4700=0
Par4700=1, 2
→ Par4600=0
I
46
04
Heater activation delay time
5
0
900
1min
I
46
05
Integration time for starting heaters
600
0
900
°C×sec
(Outgoing water temp.
– Actual temp.)
x Integration time
calculate every 1sec.
8. Domestic Hot Water Production
time
Backup heater ON
OFF
Water temperature
hysteresis
HP control set point
Compressor ON
OFF
Heater
activation
delay
(5min)
Integration time for starting heaters
(600°C×sec)
Real water temperature
Summary of Contents for AEYC-0639U-CH
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