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NOTE
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the purpose of evaluating potential for fire or explosion hazard relative to potential ignition sources within the appliance if the piping within the area of the
appliance to be evalu ated complies with ali of the following ;
no connecting joints;
no bends with centreline bend radius less than 2,5 times the external pipe diameter;
protected from potential damage during normal operation , service or maintenance.
CAUTION
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system.
Pressured nitrogen [4.3MPa (43bar) for R32] should be used in the airtight testing.
Tighten high/low pressure valves before charging pressured nitrogen.
Charge pressure nitrogen from the connector on the pressure valves.
The airtight testing should never use any oxygen, flammable gas or poisonous gas.
8.4 Refrigerant connections
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Make sure that the refrigerant pipes can withstand the refrigerant maximum pressure (PS= 4,3MPa).
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Indoor unit tubing
Flare nut
Pipings
fig. 12 -
To the outdoor unit
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L
fig. 13 -
The protective cap is a one-time part, it can not be reused. In case it is removed, it should be replaced with a new one.
Outer diam.
Tightening torque (Nm)
Additional tightening torque (Nm)
Ø
6.35
15
16
Ø 9.52
25
26
Ø 15.88
45
47
CAUTION
Please pay attention to avoid the components where it is connecting to the connecting pipes.
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system.
Summary of Contents for IDOLA SW-T 3.2
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