14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL
3. Additional Refrigerant Charge
Caution
● Refrigerant cannot be charged until field wiring has been completed.
● Refrigerant may only be charged after performing the leak test and the vacuum pumping.
● When charging a system, care shall be taken that its maximum permissible charge is never exceeded, in
view of the danger of liquid hammer.
● Charging with an unsuitable substance may cause explosions and accidents, so always ensure that the
appropriate refrigerant is charged.
● Refrigerant containers shall be opened slowly.
● Always use protective gloves and protect your eyes when charging refrigerant.
The outdoor unit is factory charged with refrigerant. Calculate the added refrigerant according to the
diameter and the length of the liquid side pipe of the outdoor unit/indoor unit
R(g) D(mm)
L(m)
φ6.35
Φ9.52
Φ12.7
Less than 5m (One-way)
—
—
—
Added Refrigerant When
Over 5m(One-way)
20g/m×(L-5)
40g/m×(L-5)
60g/m×(L-5)
Remark:
R (g): Additional refrigerant to be charged
L (m): The length of the refrigerant pipe (one-way)
D (mm): Liquid side piping
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Summary of Contents for CTV14CN018A
Page 1: ...Technical Manual R410A 60Hz 14 SEER Top Discharge Heat Pump Outdoor 1 ...
Page 9: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 2 Dimension 9 ...
Page 11: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 4 Wiring Diagrams 18K 24K 30K 36K 42K 48K 11 ...
Page 12: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 60K 12 ...
Page 17: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 1 Dimension 17 ...
Page 18: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 2 Service Space 18 ...
Page 19: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 Wiring Diagrams SEER 14 Cooling only 19 ...
Page 39: ...14SEER AIR HANDLER SYSTEM TECHNICAL MANUAL 3 9 High exhaust temperature protection 39 ...
