Specifications and contr ols, 5 pump curves, Wilo-classic star – Grant Products HPAW155 User Manual

Page 9: 6 heat pump operating sequences, 5kw pump curve

Advertising
background image

Specifications and

Contr

ols

5

2.5 Pump Curves

Pump Head (metr

e

s)

Pump Head (metr

e

s)

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)

Star-R

S 1

5/6.

25/6

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

Advertising
This manual is related to the following products: