
7.5.2 ON/OFF DHW production remote contact
The enabling of the DHW production can be managed from remote contact.
If the remote ON/OFF DHW changeover is enabled by Par5119, the DHW mode cannot be changed by the Remote
controller. When DHW is turned ON by remote contact with the HP unit ON state, HP unit will start operation in
Comfort mode.
Note1: In order to use DHW function, it is necessary to set Par3101=1or2, and Par5107=1.
Note2: DHW function can be used by the DHW remote contact.
If the
Remote controller is not connected, turn ON HP unit by ON/OFF remote contact first.
If the Remote controller is connected, turn ON both Remote controller by ON/OFF button and ON/OFF
remote contact, then turn ON HP unit.
Parameters
Level
Parameter
Function description
Display & Input value
Remarks
Group Code
Default
min.
Max.
Unit
I
31
01
D HW production priority setting
0=DHW is unavailable
1= DHW is available, and priority DHW over space
Heating
2= DHW is available, and priority space Heating over
DHW
0
0
2
-
I
51
07
T erminal 7-8 : DHW tank temperature probe
0=disable
1=enable
0
0
1
-
I
51
19
T erminal 19-18 : DHW remote contact
0=disable (Remote controller only)
1=enable
0
0
1
-
DHW ON/OFF remote contact
Contact OPEN = DHW OFF
Contact CLOSE = DHW ON
(Comfort)
18
19
PCB(Terminal)
COM
DHW Remote
Contact
73
7. Unit Management
Summary of Contents for AEYC-0639U-CH
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