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OPTIONS
7 - PROGRAMMABLE RELAY CLIP-IN KIT (WITHOUT SENSOR) (REG 134)
The programmable relay clip-in kit (without sensor)
enables, for example:
- a domestic hot water circulation pump to be con-
trolled,
- an outside gas safety solenoid valve to be con-
nected.
Refer to the assembly instructions for the kit.
8 - CONTROL UNIT ZHTI 46 (REG 129)
The control unit ZHTi 46 enables an additional hea-
ting circuit to be controlled. (Required from 3 heating
circuits - refer to technical specifications of the ZHTi
46).
9 - CONTROL UNIT ZHTI 47 (REG 128)
The control unit ZHTi 47 manages 2 cascading boi-
lers.
Note:
- For multiple boiler management, use clip-in kits
LBP (130).
Refer to ZHTi 47 technical specifications.
T
H
I
-
1
0
9
-
0
Fig. 18
REG 121
Fig. 19
REG 128
Fig. 20