Sinclair SWH-190IRE, Installation And Operating Manual

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8 - ELECTRICAL CONNECTIONS
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
Solar probe
Solar probe
well
Scheme 2: the heat pump cannot operate together with the solar pump.
CN26 Solar controller signal input
CN2 Solar pump control
220-240
220-240
CN11 Unit control Enabled / disabled
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 Disabled
CN26 (in)
220-240
CN2 (out)
220-240
SOLAR
PUMP
ON
≥ 65°C 0 0 OFF Enabled
CN11
ON
OFF
Operating logic
Electrical connections