Grant Aerona - Electrical Connections for Installation Pack Q

Section 5: Electrical Connections Page 17
Notes: Some Neutral and Earth connections have been excluded for clarity. Grant Smart Immersion relay to house 2 live
connections. Ensure both are isolated prior to opening housing.
230 VAC
Smart Controls Wiring Centre
15VDC
13 14 15 16 17 18 19 20 21 22
3 4 5 6 7 8 9 10 11 12
1 2
37 38 39 40 41 42 43 44 45 46 47 48 49 50
23 24 25 26 27 28 29 30 31 32 33 34 35 36
Touch Screen Display
-UFH Downstairs -
+12V GND
D+ D-
M-BUS
B/C
D+ D-
ASHP Terminals
8
9
24
25
Aerona ³
Heat Pump
1
10
11
12
13
14
26
27
28
29
30
31
32
15
16
L N E
230V
50HZ
5A
N
Immersion Relay
Dual Voltage
A1
1 2
A2
14
27
28
H2-S H3-S HDW WS
2
Sensor Z2
Sensor Z3 DHW Sensor
Outdoor Sensor
+12V
GND
D+
D-
8
9
Wired Thermostat/
Wireless Receiver
-UFH Upstairs-
+12V
GND
D+
D-
10
Double
Minature
Circuit
Breaker
Pole
Isolator
13A
20A
L
Blue*
Brown
Cylinder
Immersion
Heater
Brown
Blue*
! NOTE !
This wiring diagram should be read in conjunction with the Grant
Aerona Smart Controls installation instructions and system
schematic HPCS-Q001S.
! NOTE !
*Please ensure that neutrals are derived from the same supply to
prevent spurious trips.
N
12
UFH circuit
Circulating Pump
L N E
23
G/Y
G/Y
25
AB
V4044C
Diverter Valve
B
A
Hot water cylinder port A
(port A normally closed)
Heating circuit port B
(port B normally open)
Motorised Rotary
Actuator for 3-Port
Mixing Valve**
Blue*
Blue
Brown
**
White**
Brown
G/Y
3
2
1
! NOTE !
**If the 3 port valve is mounted on the left side of the heating system,
the actuator has to be mounted in reverse, hence the white wire will be
connected to terminal 8, and the brown wire will be connected to
terminal 6. Blue wire will remain in the same terminal.
+12V
GND
G4
D+
D-
G3
ecoNET
+5V
D+
D-
GND
G3
G1
G2
G4
Black
Blue
FLow sensor
Brown
5.6 ELECTRICAL CONNECTIONS - PACK Q
Grant UK Drawing Number: HPCS-Q001E