Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
9
(2) Install the indoor unit temporarily
Assemble suspension bolt on the expansion bolt, attach the hanger bracket to the suspension
bolt. Be sure to x it securely by using a nut and washer from upper and lower sides of the hanger
bracket. The washer xing plate will prevent the washer from falling.
(3) The usage of paper pattern
Refer to paper pattern of installation for ceiling opening dimension. The center of ceiling opening
is indicated on the paper pattern. Fix the paper pattern to the unit with 4 screws and x the corners of
the waterspout at the drainage pipe by screws.
(4) Adjust the unit to the right position.
(5) Check the level of the unit
The indoor unit is equipped with build-in water pump and oat switch, verify the levelness of 4
directions by level gauge or vinyl tube (lled with water) respectively.
(6) Remove the washer locating plate and then tighten the nut on it.
(7) Remove the paper pattern.
[Fix the washer tightly]
Fixing plate of washer
(accessory)
Insert
[Fix the hanger tightly]
Hanger block
Twist it off
(double nut)
Nut(field supplied）
Washer (accessory)
Center of
ceiling outlet
Paperboard for
installation
Screw (accessory)
Polyethylene pipe
Level
indicator
Fig 4.1.5
4.2 Refrigerant Pipe Connection
(1) Aim the aring port of copper pipe at the center of screwed joint and then tighten the aring
nut with hand as shown in g 4.2.
(2) Tighten the aring nut with torque wrench.
pipe joint of indoor unit
wrench torque wrench
flaring nut pipe joint
Torque for tightening nut
Pipe diameter (mm)
Torque
(N·m)
φ6.35 15~30
φ9.52 35~40
Φ12.7 45~50
φ15.9 60~65
Fig.4.2
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
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