29
8 - ELECTRICAL CONNECTIONS
Installation by a qualified technician in possession of the technical-professional requisites according to the current national and local
regulations in force in the territory.
Solar control unit
Solar pump
AC contactor
Solar panel
When the solar control unit check the temperature is OK in
solar panel, it will output 220-240V signal.
Power supply
Power supply
8.4 - SOLAR SYSTEM (PROVIDED BY THE CUSTOMER)
Solar probe
Solar probe
well
Scheme 1: the heat pump can also operate when the solar pump is in operation
CN26
Solar controller signal input
CN2
Solar pump control
220-240
220-240
Operating logic
Electrical connections
Note: solar pump must be controlled through AC contactor.
The CN2 is not allowed to drive the pump directly.
T5U
(Storage tank temp. sensor Upper)
Unit
≤
60°C
Enabled
CN26 (in)
220-240
CN2 (out)
220-240
SOLAR
PUMP
ON
≥
65°C
0 0
OFF
Enabled
Summary of Contents for AEROTHERM BBC 200
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