Electrical – Grant Products HPAW155 User Manual

Page 25

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Electrical

21

230 Vac

Compressor

Heater

4-way

valve

Expansion Valve

Ret Gas Sensor

Ext Temp Sensor

Coil Temp Sensor
Dis Gas Sensor
Ret Temp Sensor

N

Compressor

Fan

motor

Pump

Relay

KM2

6kW

Electric

Element

Orange

Red

Blue

White

Blk

Power Supply

Terminal

3 Connection points for installer

ATC Controller

Socket

S-Plan Controls

Connections

3 2 1

3 2 1

12

11

10

9

8

7

6

5

4

3

2

1

24

23

22

21

20

19

18

17

16

15

14

13

C

R

S

24 Vac

Fuse

Relay KM1

Low pr

essur

e

switch

High pr

essur

e

switch

Figure 8-9: Heat pump connection diagram for 6kW electrical element

Model

3kW Immersion Heater

6kW Immersion Heater

MCB

MCB

MCB

MCB

P

In

(W)

I

Start

(A)

I

Run

(A)

V

Hz

I

Start

I

Run

(A)

Type

I

Start

I

Run

(A)

Type

HPAW65

1620 22.09 7.36 220 50

35.09 20.36 32 D

49.09 34.36

40

D

HPAW85 2200

30.00

10.00

220

50 43.00

23.00

32 D 57.00

37.00 40 D

HPAW110

2610

35.59

11.86

220

50

48.59

24.86

32

D

62.59

38.86

40 or 50

D

HPAW130

2590

35.32

11.77

220

50

48.32

24.77

32

D

62.32

38.77

40 or 50

D

HPAW155 2770 37.77 12.59 220 50

50.77 25.59 32 D

64.77 39.59 50

D

Model

3kW Immersion Heater

6kW Immersion Heater

MCB

MCB

MCB

MCB

P

In

(W)

I

Start

(A)

I

Run

(A)

V

Hz

I

Start

I

Run

(A)

Type

I

Start

I

Run

(A)

Type

HPAW65

1770 23.09 7.70 230 50

36.09 20.70 32 D

50.09 34.70

40

D

HPAW85 2404

31.36

10.45

230

50 44.36

23.45

32 D 58.36

37.45 40 D

HPAW110 2852 37.20 12.40 230 50

50.20 25.40 32 D

64.20 39.40 50

D

HPAW130 2830 36.91 12.30 230 50

49.91 25.30 32 D

63.91 39.30 50

D

HPAW155 3028 39.50 13.17 230 50

52.50 26.17 32 D

66.50 40.17 50

D

Assumptions: 1. 30m run from consumer box to heat pump

2. Cable not run in thermally insulated environment: Method A and C only (17th edition)
3. Starting current assumes 3x running current
4. Earth Loop Impedence value does not exceed 0.36

W for a D type MCB

IMPORTANT: ENSURE INCOMING SUPPLY CABLE AND SUPPLY FUSE ARE OF SUITABLE SIZE

The 6kW immersion
element is ONLY available
as a factory fitted option

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