Installation
Wiring Connection Diagram
Units without backup heater: see g. 16 and g. 19a.
Units with backup heater, single phase power supply: g. 17
and g. 19a.
Terminal block Description
See g. 20.
Highlighted terminal block only available on 80AW---M0 models.
Communication kit installation
See g. 21.
A: communication kit (33AW-CB01)
B: unit main board
C: unit terminal block
Connect the board in the kit on the J8 connector of the
main board and to the unit terminal block.
Units with backup heater, tri-phase power supply: g. 18
and g. 19b.
Terminal Block Description Details
1-2-3
Indoor unit power supply and
communication cable
4-5 Pump cut o contact (EN1264-4)*
6
Booster heater control*
(domestic hot water tank)
Output, 230 V, max 2 A (inductive)
7-8-N Domestic hot water 3 way valve* Output, 230 V, max 2 A (inductive)
10-11 Domestic hot water tank sensor* Input, analog
12 Hi energy rate input Input, Dry Contact
13 Multi - purpose output Output, 230 V, max 2 A (inductive)
14 System ON/OFF input Input, Dry Contact
15 Comm - low voltage Input, Dry Contact
W-C-G-Y
User interface placed on the unit or
removed from the unit and mounted
in zone
20 Heat / Cool thermostat input Input, Dry Contact
21 Heat / Cool selection input Input, Dry Contact
22 Domestic hot water input Input, Dry Contact
Rc-Rh-G2-Y2
Additional user interface or 2 zone kit
connection
N Neutral
31
Boiler
(only for units 80AW---M0)
Output, 230 V, max 2 A
(inductive)
* See paragraph Accessories
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