Water Pump Capacity; Pressure Drop - LG Therma V AHUW096A3 Installation Manual

PIPING AND WIRING FOR INDOOR UNIT
54

Water pump Capacity

The water pump us variable type which is capable to change flow rate, so it may be required to
change default water pump capacity in case of noise by water flow. In most case, however, it is
strongly recommended to set capacity as Maximum.
NOTE
!
• To secure enough water flow rate, do not set water pump capacity as Minimum.
It can lead unexpected flow rate error CH14.

Pressure Drop

NOTE
!
When installing the product, install additional pump in consideration of the pressure loss and
pump performance.
If flow-rate is low, overloading of product can occur.
Capacity
16kW
14kW
12kW
9kW
7kW
5kW
Pump Head [m]
Rated flow-rate
(at rated flow-
[LPM]
46.0
40.0
34.0
26.0
20.0
17.0
Product pressure
drop [m]
(Plate heat
rate)
exchanger)
9.5 1.4
10.0 1.1
10.7 0.8
11.3 0.4
11.6 0.3
11.8 0.2
Serviceable Head
[m]
8.1
8.9
9.9
10.9
11.3
11.6