Technical data

183
Installation
3-2. Wiring diagram of power cable
1) RC777DHXE7
2) RC777D/P/Z/S7
X You should connect the power cable into the power cable terminal and fasten it with a clamp.
X The unbalanced power must be maintained within 2% of supply rating.
- If the power is unbalanced greatly, it may shorten the life of the condenser. If the unbalanced power is exceeded
over 4% of supply rating, the indoor unit is protected, stopped and the error mode indicates.
X To protect the product from water and possible shock, you should keep the power cable and the connection cord
of the indoor and outdoor units within ducts. (with appropriate IP rating and material selection for your application)
X Ensure that main supply connection is made through a switch that disconnects all poles, with contact gap of a
least 3 mm.
X Devices disconnected from the power supply should be completely disconnected in the condition of over voltage
category.
X Keep distances of 50mm or more between power cable and communication cable.
;
Caution
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Power Supply
Indoor Unit
Cable
clamp
Main
power cable
Communi-
cation cable
Connection
cord
XOutdoor Unit
Electrical component box
/ 1
1
/
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1
/7
/ 1
/6
/5
Power Supply
Indoor Unit
Cable
tie
Communi-
cation cable
Connection
cord
X1 phase
JThe ap pea rance of the unit
may be different from the picture
depending on the model.
Electrical component box
Cable
clamp
Main
power cable
Indoor Power
X3 phase
Cable tie
Cable clamp
Connection
cord
3 Phase 4Wire
power cable
(AC 380V)
Connection
cord