2 Installation checklist
2 System installation instructions 0020251823_01
10c Non-return valve
12 System control
12b Remote heat pump expansion module
12m Outdoor temperature sensor
DHW Cylinder temperature sensor
MA Multi-function output
1.2 Wiring diagram 0020235580
1c Heating/domestic hot water back-up boiler
2 Heat pump
3e Circulation pump
9e Domestic hot water generation prioritising diverter
valve
12 System control
12b Remote heat pump expansion module
12m Outdoor temperature sensor
DHW Cylinder temperature sensor
2 Installation checklist
You must observe all the operating and installation instructions included with the system components.
Work Comments/settings
1 Comply with the conditions for the installation environment 1. Minimum volume of the installation room 1.60 m³
2. Environmental temperature 7 °C – 40 °C
3. Frost-proof
4. Dry
2 Install the heat pump on a wall that has sufficient load-bearing capa-
city
3 Comply with the specified minimum clearances For free spaces for maintenance work, see the installa-
tion instructions for the relevant system components
4 Observe the position of the VWZ AI 1. It must be possible to operate the control and to
easily read the display.
5 Observe the position of the VRC 700 1. The room temperature sensor is deactivated in the
heat pump's electronics box
2. In the living room or main control room
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