Installation
22 Air-to-Water Heat Pump
u Wire specification
Power cable specification : The power cord connected to the unit should be complied with IEC
60245 or HD 22.4 S4 (Rubber insulated cord, type 60245 IEC 66 or H07RN-F)
Terminal specification of power cable and related cautions :
Use round pressure terminals for connections to the power terminal block.
※ Should be used round pressure terminals when connecting the ground at control box panel.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
If do not use any materials when connecting cables to terminal block, follow the instructions below.
• Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power
wiring may cause abnormal heat.)
• When connecting wiring which is the same thickness, do as shown in the figure below.
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