Heat Pump Pool Heater
19
GRS-CP11Pd/NhA-D
GRS-CP18Pd/NhA-D
①
Water pump control cord
②
Display board cord
Fig.3.6-1 External wiring
3.6.2 Electrical Wiring & Connection Requirements
(1) When the wires are connected, power cord, water pump control wire and the
cable of display board come out from the wire outlet as shown in figure 3.6-2.
(2) When wiring outside the unit, the display board (wire controller) cord should be
separated from the power cord and the water pump power cord. The minimum
distance between parallel wires should be greater than 20cm; otherwise, the
unit communication may be abnormal. Strong and weak cords should be
sheathed separately.
Fig.3.6-2 Installation diagram for power cord out from the outlet hole
(3) The unit provides a terminal that is used to connect the external and
equipotential bonding cord. Equipotential bonding must be in accordance with
the National Electrical Code, NFPA No.70, latest edition, and all applicable
state and local codes.
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