7. Electrical Wiring
Air-to-Water Heat Pump _ 16
Part 2. Desing and installation
Step 2. : Connect power cable to main power terminal
See below figure for detailed information. When connecting earth cable, the diameter of cable should be refer to
the below table. The earth cable is connected to the Control box case where earth symbol is marked.
Step 3. : Use cable clamps (or cord clamps) to prevent unintended move of power cable.
Step 4. : Reassemble the side panel to the unit by fastening screws.
7.2 Wiring procedure for power cable
This cable is generally connected between external power source (such as main electric power distribution
panel of user's house) and the unit. Before starting wiring, check if wire specification is suitable and read
following directions and cautions VERY carefully.
Step 1. : Disassemble side panel and front panel from the unit by loosing screws.
Failure to do these instruction can result in fire, electric shock or death.
• Make sure the power cable do not touch to copper tube.
• Make sure to fix [cord clamp] firmly to sustain the connection of terminal.
• Make sure to connect unit power & heater power separately.
(AHBW056A0/AHBW076A0/AHBW096A0) (AHBW126A0/AHBW146A0/AHBW166A0) (AHBW128A0,AHBW148A0,AHBW168A0)
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