Grant Aerona HPAW110 - Pump Curves; Operating Sequences

Specifications and
Controls
5
2.5 Pump Curves
Pump Head (metres)Pump Head (metres)
6
5
4
3
2
1
0
Wilo-Classic Star
0 0.5 1 1.5 2 3)
Flow (m
3
/h)
Flow (m
3
/h)
S
t
a
r
-
R
S
1
5
/
6
.
2
5
/
6
2.6 Heat Pump Operating Sequences
Pump OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
0
(on)
0
(off)
25 30 25 30
Fan
Comp
Demand
Fan
Pump
OFF OFF
OFF
OFF
ON
ON ON
ON ON
OFF
OFF
ON
ON
ON
Comp
4-way
valve
Defrost
signal
0
(on)
10 60 off BTC
Pump delay
time
Time secs Time secs
15.5kW Pump Curve
15
10
5
0
0 1.2 2.4 3.6 4.8
PUN-200E
Figure 2-10: Pump curve for HPAW65, HPAW85, HPAW110 & HPAW130
Figure 2-12: Normal operating sequence Figure 2-13: Defrost cycle
Figure 2-11: Pump curve for HPAW155