Installation guide

27
ENGLISH
Knock Out for
Liquid pipe
Knock Out for low
pressure gas pipe
Knock Out for high
pressure gas pipe
Knock Out for
power supply cable
Removal area for pipes
bottom side connections.
Knock Out for
communication cable
CAUTION
!
• Do not give damage to the pipe/base during the Knock Out
work.
• Proceed to pipe work after removing burr after Knock Out work.
• Perform sleeve work to prevent damage to the wire when
connecting wires using Knock Outs.
For Heat Recovery System Installation
High Pressure Gas pipe
Liquid pipe
Low Pressure Gas pipe
High Pressure
Gas pipe
Liquid pipe
Low Pressure Gas pipe
Remove leakage prevention cap
• Remove the leakage prevention cap attached to the outdoor unit
service valve before pipe work.
• Proceed the leakage prevention cap removal as follows:
- Verify whether the liquid/gas pipes are locked.
- Extract remaining refrigerant or air inside using the service port.
- Remove the leakage prevention cap
Service Port
Liquid pipe
Low Pressure
Gas pipe
High Pressure
Gas pipe
Leakage
Prevention Cap
Method of drawing out pipes on the bottom side
- Drawing out common pipe through side panel
Liquid pipe Low Pressure Gas pipe
High Pressure Gas pipe
Remove Knock Out for the bottom side of Liquid / Gas pipe
* Elbow is Field supplied
Chassis UXA UXB
A
B
C
HP 8 10 12 14/16 18/20/22 24/26
A(mm) 9.52(3/8) 9.52(3/8) 12.7(1/2) 12.7(1/2) 15.88(5/8) 15.88(5/8)
B(mm) 19.05(3/4) 22.2(7/8)
28.58
(1-1/8)
28.58
(1-1/8)
28.58
(1-1/8)
34.9
(1-3/8)
C(mm) 19.05(3/4) 19.05(3/4) 19.05(3/4) 22.2(7/8) 22.2(7/8)
28.58
(1-1/8)
Pipe Drawing Out during Single / Series connection
Method of drawing out pipes on the front side
- Proceed with the pipe work as shown in the below figure for front
side pipe drawing out.
Preparation Work
- Use Knock Outs of Base Pan of the outdoor unit for Left/Right or
Bottom pipe drawing outs.