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74
10. ELECTRICAL WORK
Hyper Heating Inverter Y-Series
10. ELECTRICAL WORK
10-1. General cautions
Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring
regulations, and guidance of each electric power company.
Wiring for control (hereinafter referred to as transmission cable) shall be (50mm[1-5/8in] or more) apart from power source
source wire in the same conduit.)
Be sure to provide designated grounding work to outdoor unit.
Give some allowance to wiring for electrical part box of indoor and outdoor units, because the box is sometimes removed
at the time of service work.
Never connect 100V, 208~230, 460V power source to terminal block of transmission cable. If connected, electrical parts will
be damaged.
When extending the transmission line, make sure to extend the shield cable as well.
wiring so that it is not influenced by electric noise from power source wiring. (Do not insert transmission cable and power
Use 2-core shield cable for transmission cable. If transmission cables of different systems are wired with the same
multiple-core cable, the resultant poor transmitting and receiving will cause erroneous operations.
OK
NO
Outdoor
unit
Outdoor
unit
Indoor unit
Remote
BC controller
controller
2-core shield cable
2-core shield cable
Remote
controller
Indoor unit
Multiple-
core cable
BC controller
0000006537.BOOK 74 ページ 2022年4月14日 木曜日 午前10時41分