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Electrical Wiring Work
Wiring Block Diagram Example
Operation control (operation signal, back-up solenoid valve)
Cooler
Wiring Guide Opening
Wiring guide opening is located on the left side of the refrigeration unit. (A square hole is provided in the unit base for
electrical wiring.)
Electrical box
Unit base
Left side of refrigeration unit
When the panel attachment after work is incomplete, penetration of rainwater is possible. Securely
Caution
fasten the panels after work.
Power source 3-phase 200 V
Operation control
Controller
(optional)
Indoor
By using a cable bundling tie attached to the bottom section of
the electrical box, bundle the power cable, grounding wire,
communication wires, etc. and eliminate slack in wires by using
the bundling wire located at the wire guide opening of the
electrical box.
Refrigeration unit
Outdoor
Wiring guide opening
of the electrical box
(2 places with φ50
eyelet rubber)
Square hole for
electrical wiring
(50×60)
21
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