Refrigerant Pipe Connection - Gree GMV-ND22TD/A-T El Manual Del Propietario

(2) Install the indoor unit temporarily
Assemble suspension bolt on the expansion bolt, attach the hanger bracket to the suspension
bolt. Be sure to fix it securely by using a nut and washer from upper and lower sides of the hanger
bracket. The washer fixing 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 fix 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 float switch, verify the levelness of 4
directions by level gauge or vinyl tube (filled with water) respectively.
(6) Remove the washer locating plate and then tighten the nut on it.
(7) Remove the paper pattern.
(double nut)
[Fix the hanger tightly]
Level
indicator

4.2 Refrigerant Pipe Connection

(1) Aim the flaring port of copper pipe at the center of screwed joint and then tighten the flaring
nut with hand as shown in fig 4.2.
(2) Tighten the flaring nut with torque wrench.
pipe joint of indoor unit
wrench
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Multi Variable Air Conditioners One-way Cassette Type Indoor Unit
Nut(field supplied）
Washer (accessory)
Hanger block
Twist it off
Polyethylene pipe
flaring nut pipe joint
torque wrench
[Fix the washer tightly]
Center of
ceiling outlet
Fig 4.1.5
Torque for tightening nut
Pipe diameter (mm)
φ6.35
φ9.52
Φ12.7
φ15.9
Fig.4.2
9
Insert
Fixing plate of washer
(accessory)
Paperboard for
installation
Screw (accessory)
Torque (N·m)
15~30
35~40
45~50
60~65