12
6. Drainage piping work
7. Water piping work
Drain socket
PAC-SG61DS-E
Drain pan
PAC-SJ83DP-E
Outdoor unit drainage pipe connection (PUD-SWM)
When drain piping is necessary, use the drain socket or the drain pan (option).
PUD-SHWM series is not connectable drainage pipe because of cold district specification.
Note:
Do not use the drain socket and drain pan in the cold region.
Drain may freeze and it makes the fan stop.
7.1.
Minimum water quantity
Refer to the indoor unit installation manual.
7.2.
Available range (Water flow rate, return water temp.)
Ensure the following water flow rate and return temperature range in the water circuit.
These curves are related to the water quantity.
PUD-SWM60, 80
PUD-SHWM60, 80
PUD-SWM100, 120
PUD-SHWM100, 120, 140
8.0
11.0
14.0
17.0
20.0
23.0
26.0
5.0
8.0
11.0
14.0
17.0
20.0
23.0
Return water temp. [°C]
Water flow rate [L/min]
Minimum return water temperature due to the water quantity
Available range
(10L~15L)
(15L~25L)
(25L~40L)
(over 40L)
Unavailable range
12.0
16.0
20.0
24.0
28.0
32.0
36.0
40.0
11.0
14.0
17.0
20.0
23.0
26.0
Return water temp. [°C]
Water flow rate [L/min]
Minimum return water temperature due to the water quantity
Available range
(15L~25L)
(25L~40L)
(40L~60L)
Unavailable range
Note:
Be sure to avoid the unavailable range during defrosting.
Otherwise, the outdoor unit is insufficiently defrosted and/or the heat exchanger of the indoor unit may freeze.
(over 60L)
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