3
1
13
• Ventilation • Heat reclaim ventilation
55
• Heat reclaim ventilation • VAM-FA/FB
13
Installation
13 - 8 Electrical wiring procedure
Before obtaining access to terminal devices, all power supply circuits must be interrupted.
Connection of Wiring
• Connect the wires in accordance with the diagram of each system.
• All wiring must be performed by an authorized electrician.
• All field supplied parts and materials and electric works must conform to local codes.
• Use copper wire only.
Connection of wiring
• A circuit breaker capable of shutting down supply to the entire system must be installed.
• A single switch can be used to supply power to units on the same system. However, branch switches and branch circuit breakers must be
selected carefully.
• Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing.
• Be sure to give the electric grounding (earth) connection.
Complete System Example
Model
Power supply wiring
Transmission wiring
FXYCP150FA
Field supplied fuses
Wire
Size
Wire
Size
FXYCP250FA
15A
H05VV-U3G
Wire size must comply
with local codes.
Shield wire (2 wire)
0.75 ~ 1.25 mm
2
FXYCP350FA
FXYCP500FA
FXYCP650FA
FXYCP800FA
FXYCP1000FA
FXYCP1500FA
FXYCP2000FA
(HC0083)
!
(HC0082)
Power supply
VRV
outdoor unit
Main
switch
VRV
Indoor unit
VRV
Indoor unit
Remote control
Power supply
wiring
Transmission
wiring
Switch
Fuse
HRV
HRV