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Notice: The filter must be cleaned regularly to ensure that water in the system is clean and to
avoid lack of water flow. It is necessary that a drainage valve is fixed at the lowest point in the
lower water pipe to completely drain water out of the system for winterizing. If the unit is not
running during winter months, please disconnect power supply and drain water from the unit
through the drainage valve or by disconnecting the quick connect fittings. If unit is used at
ambient temperatures below 0℃, please keep ensure that the water pump continuously runs to
avoid water freezing inside the machine.
3.3.5 Electrical Installation
To function safely and maintain the integrity of your electrical system, the unit must be
connected to your electrical supply in accordance with the following regulations:
① The heat pump must be connected to a suitable circuit breaker in accordance with current
standards and regulations in the country where the system is installed.
② The electrical supply cable must be adapted to match the unit’s rated power and the length
of wiring required for the installation. The cable must be suitable for outdoor use.
③ In places open to the public, or where required by law, an emergency stop button or power
disconnect switch should be installed near the heat pump.
Power Supply Wire Size
3.3.6 Electrical Connection
WARNING: Power supply must be disconnected before performing any work on the heat
pump.
Please comply with the following instructions to connect the heat pump.
Step 1: Detach electrical side panel with a screwdriver to access electrical terminal block.
Step 2: Insert cable into the heat pump unit port.
Step 3: Connect power supply cable to terminal block according to the diagram below.
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