LG Therma V AHNW09604A2 - System Pressure Drop Analysis

36 Air-to-Water Heat Pump
Installation of Indoor Unit
Pressure Drop
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.
The water pump is operating according to below curves.
NOTICE
Model
Rated flow-rate
[LPM]
Pump Head [m]
(at rated flow-rate)
Product pressure
drop [m]
(Plate heat ex-
changer)
Serviceable Head
[m]
AHNW03604A2 8.6 6 1.0 5.0
AHNW09604A2 25.8 5 1.2 3.8
AHNW16606A2
46 7 1.9 5.1
AHNW16809A2
3kW
Rated
9kW
Rated
16kW
Rated
Hydraulic Head Loss (m, H
2
O)
Water Flow rate (m
3
/hr)
0
1
2
3
4
5
6
7
8
12 3 45 678