10
Installing the unit
5. How to connect the pipe line.
Low pressure gas pipe connection (Brazing)
High pressure gas pipe connection (Brazing)
Liquid pipe connection (Flare)
Pipe connection from outdoor unit
Pipe connection to indoor unit
Gas pipe (Flare)Liquid pipe(Flare)
K
When installing MCU, use the pattern sheet for installation that is provided with the product.
K
When brazing the high / low pressure gas pipe, protect the product with the ame-proof sheet.
Protect with
wet towel when
brazing
6. How to connet Y-connector
X
In case of connecting one indoor with Y-Connector to MCU, Y-Connector must be connected in series.
70mm
70mm
4. Cautions about MCU installation.
X
When xing the unit at the upper place using suspension bolts, use a nut and washer to vertically fasten the unit.
X
There are four spots to x the suspension bolts. Make sure every spot is xed.
X
The upper and the lower side of MCU is distinguished, so be careful not to turn the unit upside down when installing the
unit. Otherwise, noise may be generated or the product may be damaged.
Nut
Washer
Anti vibration
rubber
Fasten the nut rmly
<Fixing the bolt>
764 (30.08) (Between the locations of suspension bolts)
224 (8.82)
224 (8.82)
Unit : mm (inch)
<Location and intervals of xed suspension bolts>
<Good Example of connection>
Indoor #1 Indoor #2
<No Good Example of connection>
AHU
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