Pump Curves; Operating Sequences - Grant Aerona HPAW65 Installation & User's Instructions

2.5 Pump Curves

6
5
4
3
2
1
0
0 0.5
Figure 2-10: Pump curve for HPAW65, HPAW85, HPAW110 & HPAW130
15.5kW Pump Curve
15
10
5
0
0 1.2
Figure 2-11: Pump curve for HPAW155
2.6 Heat Pump Operating Sequences
Pump
Fan
Compressor
4-way Valve
Heat
Demand
Time (secs)
on 10 60
Figure 2-12: Normal operating sequence
Wilo-Classic Star
1 1.5 2
Flow (m 3 /h)
PUN-200E
2.4 3.6
Flow (m 3 /h)
Pump
Fan
Compressor
4-way Valve
Defrost
Demand
Time (secs)
off BTC Pump
delay time
Figure 2-13: Defrost cycle
3)
4.8
on 25 30 off 25 30
5