Gree HOME GMV [131/367] Tools for installation

Gree HOME GMV [131/367] Tools for installation
Dc Inverter VRF plus Water Heater Solution Service Manual INSTALLATION
127
2 TOOLS FOR INSTALLATION
2.1 Common Tools
S/N Material Specification unit Qty S/N Material Specification unit Qty
1
Three-stage
distribution
cabinet
——
set
Accordin
g to
practical
situation
15
Momental
spanner 17~36mm set
Accordin
g to
practical
situation
2 Light
——
pcs 16
Non-adjustabl
e wrench
——
pcs
3
Fire
extinguisher
——
pcs 17
Adjustable
wrench 8''.12'' pcs
4 Uniform
——
suit 18 Pliers
——
pcs
5 Hard hat
——
head 19 Scissors
——
pcs
6 Safety strap
——
set 20
Oxygen relief
valve
——
pcs
7
Copper pipe
and cutting
knife
1/42 5/8''
pcs 21
Nitrogen relief
valve 0~6MPa pcs
8 Pipe bender
——
set 22
Acetylene
relief valve
——
pcs
9
Pipe-expandin
g machine
——
set 23
Backfire check
valve
——
pcs
10 Casing roller 9.5~25.4vmm set 24 Manometer
——
pcs
11 Level bar
——
pcs 25
Electric hand
drill
——
pcs
12
Phillips
screwdriver
——
set 26 Rivet Gun
——
pcs
13
Slotted
Screwdriver
——
set 27
Electric
hammer
——
pcs
14
gaswelding
tools
——
set 28
—— —— ——
2.2 The Tools which can’t be Mixed for Different Refrigerants
Name Function Reason
Lubricant
Spread it on nut cap to lubricate
its surface which contains
organic artificial oil FVC68D
R22 uses mineral oil SUNISO4GS which can’t compatible
with R410A. The grease filth will be casued if they are mixed.
Refrigerants Charge refrigerants Pressures of R410A and R22 are quite different.
Vacuum pump
and connector
Vacuumization
Vacuum pump can be universal. But the connector which can
prevent the mineral oil inside the pump from backflow shall be
installed. In other words,check valve shall be installed.
Manometer
Create and keep vacuum;
charge refrigerants and check
pressure.
They cam’t be all-purpose because a. different pressure
resistance; b. grease filth will be accumulated to cause
blockage and malfunction of compressor.
Charge conduct
pipe
Leak detector Detect leakage
The detection methods are different for different work
substances

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