Wiring Centre Layout - Grant Aerona HPIDR32SMART6 Installation & Operating Instructions Manual

5.4

WIRING CENTRE LAYOUT

230V AC / 50Hz
13 14 15 16 17 18 19 20 21 22
L N L N L N
M M
2
1
H2-P
H1-P
PE
PE
F1
L N
3 4 5 6 7 8 9 10 11 12
1 2
L N L
L N L
ON OFF ON OFF
2 3
H2-M
H3-M
PE PE
L N PE
230V~
Table 5-2: Wiring Centre Terminals
Label Terminal Numbers
230V ~ 1 & 2
H2-M 3, 4 & 5
H3-M 6, 7 & 8
Z-P/Z3D 9 & 10
C-P 11 & 12
Flow 31 & 32
LE 33 & 34
G1 Terminal Set
G2 M-BUS
G3 G3 Socket
G4 Terminal Set
H1-P 13 & 14
H2-P 15 & 16
H3-P 17 & 18
H1 19 & 20
H2 21 & 22
H2-S 39 & 40
H3-S 41 & 42
HDW 43 & 44
BT 45 & 46
BB 47 & 48
WS 49 & 50
T1 37 & 38
T2 26 & 27
LOCK 23 & 24
HEMS 25 & 26
Section 5: Electrical Connections
F3 F2
M
3
H3-P H1 H2
PE
F4
N L
ON OFF
C-P
Z-P/Z3D
PE PE
Figure 5-3: Wiring centre - Terminals
Description
Mains Live and Neutral
Circuit 2 Mixing valve - 2 x 230V Lives (ON and OFF) and Neutral
Circuit 3 Mixing Valve - 2 x 230V Lives (ON and OFF) and Neutral
DHW Pump/3-Port Diverter Valve
Secondary Circulation Switched Relay (must be Externally fused 'F4')
Flow sensor I/O & Ground
Electricity Meter
Touchscreen & Thermostat connection terminals (RT1, RT2, RT3)
Modbus connection to the Aerona Heat pump.
Connection port for ecoNET cable
+12V, Ground, D+, D-
Circuit 1 230V Switched Live and Neutral
Circuit 2 230V Switched Live and Neutral
Circuit 3 230V Switched Live and Neutral
Switch for Immersion Relay (Back-up heater - must be Externally fused 'F3')
Switch for Immersion Relay (DHW Cylinder - must be Externally fused 'F2')
Circuit 2 Water temperature sensor
Circuit 3 Water temperature sensor
DHW Cylinder Water temperature sensor
Buffer Upper Water temperature sensor
Buffer Lower/Low Loss Header temperature sensor
Outdoor Weather sensor
External Volt-free switch for Circuit 1
External Volt-free switch for Circuit 2 or 3
Not used
Not used
15V
37 38 39 40 41 42 43 44 45 46 47 48 49 50
T1
2 3
H2-S H3-S HDW BT
23 24 25 26 27 28 29 30 31 32 33 34 35 36
HEMS T2
FLOW LE
LOCK
No 230V live connections
to be made to the right
side of the indicated split
in the wiring centre
G4
ecoNET
BB WS
G1
G2
M-BUS
ISM
RT2 RT1
G3
B
RT3
Page 17