Wiring Diagrams - Grant Aerona HPAW65 Installation & User's Instructions

8.7 Wiring Diagrams

230V/24 Vac
Transformer
Gr
Br
Bl
O
Heating
G/Y
Zone Valve
Fused Isolator
L N
L N
HW
CH
Programmer
Circulating Pump
Compressor
L N
230V 50Hz
Figure 8-12: Monovalent system connection diagram
E 4 5 6 7 8 9 10
Limit Control
1 2 1 2
c
c
2
1 3
Cylinder Thermostat
Room
Thermostat
Heat Pump
PCH
Controller
Return
sensor
Supply sensor
Outdoor
sensor
Gr
Br
Heat pump
Bl
1 2 3
S-Plan controls
O C CH HW
connections
HW
G/Y
Zone Valve
Relay 2 in heat
pump control
panel
Earth connections have
been excluded for clarity.
Ensure all earth
connections are made
prior to energising.
12
24
11
23
10 22
9 21
BTC
20
8
19
7
18
6
17
5
16
4
15
3
14
2
13
1
3 kW
Immersion
element
23