Piping Connections - Panasonic CS-W50BTP Service Manual

• • • • The indoor units will not run for approximately 1 minute
while automatic twin/triple address resetting is being carried
out.

19.2. Piping connections

• • • • The following table shows the pipe diameters for a twin-type system.
Outdoor unit main pipe diameter (mm)
Liquid side: ø 9.52
Gas side: ø 15.88
Liquid side: ø 9.52
Gas side: ø 19.05
Liquid side: ø 9.52
Gas side: ø 19.05
Liquid side: ø 9.52
Gas side: ø 19.05
• • • • The following table shows the pipe diameters for a triple-type system.
Outdoor unit main pipe diameter (mm)
Liquid side: ø 9.52
Gas side: ø 19.05
• • • • The following table shows the equivalent pipe lengths and height differences for twin- and triple-type systems.
Equivalent length
Branch pipe diameter
Branch pipe difference
Height difference
Note:
1. Use the main pipe to gain any rise or fall required for the pipes.
2. The number of bends should be 8 or less in a single system (L + la, L + lb, L + lc), and 15 or less overall.
3. Branch pipes should be position horizontally.
• • • • The branch pipe shoud be horizontal to or perpendicular to the indoor unit.
3HP Indoor unit capacity (HP)
Branch pipe
diameter
4HP Indoor unit capacity (HP)
Branch pipe
diameter
5HP Indoor unit capacity (HP)
Branch pipe
diameter
6HP Indoor unit capacity (HP)
Branch pipe
diameter
6HP Indoor unit capacity (HP)
Branch pipe
diameter
H1 Within 30 m
• • • • Do not turn off the power supply for at least 1 minute after
automatic twin/triple address resetting has been carried out.
1.5
Liquid side ø 6.35
Gas side ø 12.7
2.0
Liquid side ø 6.35
Gas side ø 12.7
2.5
Liquid side ø 6.35
Gas side ø 15.88
3.0
Liquid side ø 9.52
Gas side ø 15.88
2.0
Liquid side ø 6.35 ø 6.35
Gas side ø 12.7 ø 12.7
L + la + lb + lc
la, lb, (lc)
la - lb, lb - (lc), la - (lc)
Height difference between indoor units
44
Indoor unit combinations
1.5
ø 6.35
ø 12.7
2.0 1.5
ø 6.35 ø 6.35
ø 12.7 ø 12.7
2.5 2.0
ø 6.35 ø 6.35
ø 15.88 ø 12.7
3.0 2.0
ø 9.52 ø 6.35
ø 15.88 ø 12.7
Indoor unit combinations
2.0 2.0 1.5
ø 6.35 ø 6.35
ø 12.7 ø 12.7
H2
2.5
ø 6.35
ø 15.88
3.0
ø 9.52
ø 15.88
4.0
ø 9.52
ø 19.05
1.5 3.0
ø 6.35 ø 9.52
ø 12.7 ø 15.88
Within 50 m
Within 15 m
Within 10 m
Within 1 m