Toshiba RAV-SM564UTP-E Service Manual page 14
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- Service manual (108 pages) ,
- Installation manual (56 pages) ,
- Installation manual (26 pages)
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4. Tools
1. Required Tools for R410A
Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary,
etc. Accordingly, the tools to be used are classified into the following three types.
1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22))
2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)
3) Tools commonly used for R410A and for conventional refrigerant (R22)
The table below shows the tools exclusive for R410A and their interchangeability.
Tools exclusive for R410A (The following tools for R410A are required.)
Tools whose specifications are changed for R410A and their interchangeability
No.
Used tool
Flare tool
Copper pipe gauge for
adjusting projection margin
Torque wrench
Gauge manifold
Charge hose
Vacuum pump adapter
Electronic balance for
refrigerant charging
Refrigerant cylinder
Leakage detector
(Note) When flaring is carried out for R410A using the conventional flare tools, adjustment of projection
margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.
In addition to the above exclusive tools, the following equipments which serve also for R22 are necessary
as the general tools.
1) Vacuum pump. Use vacuum pump by
attaching vacuum pump adapter.
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Also prepare the following equipments for other installation method and run check.
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Usage
Pipe flaring
Flaring by conventional
flare tool
Tightening of flare nut
Evacuating, refrigerant
charge, run check, etc.
Vacuum evacuating
Refrigerant charge
Refrigerant charge
Gas leakage check
General tools (Conventional tools can be used.)
1
1
1
– 14 –
R410A
air conditioner installation
Existence of
Whether conven-
new equipment
tional equipment
for R410A
can be used
Yes
*(Note)
Yes
*(Note)
Yes
No
Yes
No
Yes
No
Yes
Yes
Yes
No
Yes
No
7) Screwdriver (+, –)
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FILE NO. SVM-13010
Conventional air
conditioner installation
Whether conventional
equipment can be used
Yes
*(Note)
No
No
Yes
Yes
No
Yes
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