- 17 -
OPTIONS
7 - ZHTI 46 CONTROL UNIT (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).
8 - ZHTI 47 CONTROL UNIT (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.
9 - 1
ST
CIRCUIT CONNECTION KIT
1st circuit connection kit used for a multi-directional
assembly of the pipes:
- gas inlet,
- heating flow-return,
- domestic hot water inlet/outlet
at the rear of the boiler.
Refer to the installation instructions of the kit.
RE
G
12
1
Fig. 15
REG 12
8
Fig. 16
T
IO
-2
7-
0
Fig. 17
Summary of Contents for THI 2-17 B 120
Page 19: ... 19 V PARTS LISTS THI 2 17 B 120 ...
Page 23: ... 23 PARTS LISTS CONTROL BOX ...
