Technical data
Page 29
BOILERMATE
A-CLASS
OV
2.2 INSTALLATION
L
N
Switch Immersion heater with
•2 x 3kW elements
•2 x auto reset OHT set at 95 +0,-5
o
C
•1.5m long 2.5mm
2
high temp flying cables
CT
3 6
2 5
1 4
J5
3 6
2 5
1 4
4 8
3 7
2 6
1 5
J28
4 8
3 7
2 6
1 5
E
N
L
M
DHW
Pump
J34
4 8
3 7
2 6
1 5
E
N
L
M
Boiler
Pump
J32
J3
5 10
4 9
3 8
2 7
1 6
J30
Main PCB
2 4
1 3
J29
J28-8 (HW ca lling) orange
J5-3 (L)
J3-6 (L)
Earth to Panel
brown
Red (Electric backup)
g/y
g/y
blue
brown
black
blue
brown
black
brown
brown
blue
red
black
orange
white
4 8
3 7
2 6
1 5
E
N
L
M
CH
Pump
J33
g/y
blue
brown
black
Mains supply
230V, 50Hz, 32A
10mm
2
A1A2
C2
23
24
1314
red
red
red
blue
E
blue
blue
red
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
S3: DHW_in
S4: DHW_out
S5: Store bottom
S6: Store_top
J9
Overheat & control sensor
S1 & S2
brown
orange
black
yellow
Red & blue
ID_Resistor
Illuminated
Control circuit supply
On/Off switch – SW1
1 2 3
4 5 6
J31
blue
black
Brown (boiler on/off)
PD1
E
L
N
E
2.5mm
2
2.5mm
2
2.5mm
2
2.5mm
2
2.5mm
2
J5-6 (N) blue
J28-2 (RS calling) b lack
J28-7 (CH calling) whi te
blue
N
N
E
N
L_1
L_3
L_2
SL_W
SL_H
SL_R
SL_B
E
E
brown
J3-4 (BLR) brown
Boiler ‘switched’ live (L)
Room stat ‘switched’ live (L)
Permanent
Live (L) 230V
Neutral
(N) 230V
N
10mm
2
Grasslin
clock
1 2 3 4
2-Pole Change over
with centre off switch
HW
OFF
CH + HW
white
red
Switch SW2
Arcolect ric 394
RS 197-7592
FRONT
PANEL
Push
button
Red
LED
On
SW1
CONTROL
CIRCUIT
SUPPLY
Off
Switch
SW2
OPERATION
Normal
PD2
PD3
PD1: 16A mcb
PD2: 16A mcb
PD3: 6A mcb
HW ‘switched’ live (L)
CH ‘switched’ live (L)
L
N
Switch Immersion heater with
•2 x 3kW elements
•2 x auto reset OHT set at 95 +0,-5
o
C
•1.5m long 2.5mm
2
high temp flying cables
CT
3 6
2 5
1 4
3 6
2 5
1 4
J5
3 6
2 5
1 4
3 6
2 5
1 4
4 8
3 7
2 6
1 5
4 8
3 7
2 6
1 5
J28
4 8
3 7
2 6
1 5
E
N
L
M
DHW
Pump
J34
4 8
3 7
2 6
1 5
E
N
L
M
Boiler
Pump
J32
J3
5 10
4 9
3 8
2 7
1 6
J30
Main PCB
2 4
1 3
J29
2 4
1 3
J29
J28-8 (HW ca lling) orange
J5-3 (L)
J3-6 (L)
Earth to Panel
brown
Red (Electric backup)
g/y
g/y
blue
brown
black
blue
brown
black
brown
brown
blue
red
black
orange
white
4 8
3 7
2 6
1 5
E
N
L
M
CH
Pump
J33
g/y
blue
brown
black
Mains supply
230V, 50Hz, 32A
10mm
2
A1A2
C2
23
24
1314
red
red
red
blue
E
blue
blue
red
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
S3: DHW_in
S4: DHW_out
S5: Store bottom
S6: Store_top
J9
Overheat & control sensor
S1 & S2
brown
orange
black
yellow
Red & blue
ID_Resistor
Illuminated
Control circuit supply
On/Off switch – SW1
Illuminated
Control circuit supply
On/Off switch – SW1
1 2 3
4 5 6
1 2 3
4 5 6
J31
blue
black
Brown (boiler on/off)
PD1
PD1
E
L
N
E
E
2.5mm
2
2.5mm
2
2.5mm
2
2.5mm
2
2.5mm
2
J5-6 (N) blue
J28-2 (RS calling) b lack
J28-7 (CH calling) whi te
blue
N
N
E
E
N
L_1
L_3
L_2
SL_W
SL_H
SL_R
SL_B
E
E
E
E
brown
J3-4 (BLR) brown
Boiler ‘switched’ live (L)
Room stat ‘switched’ live (L)
Permanent
Live (L) 230V
Neutral
(N) 230V
N
10mm
2
Grasslin
clock
1 2 3 4
1 2 3 4
2-Pole Change over
with centre off switch
HW
OFF
CH + HW
white
red
Switch SW2
Arcolect ric 394
RS 197-7592
FRONT
PANEL
Push
button
Red
LED
On
SW1
CONTROL
CIRCUIT
SUPPLY
Off
Switch
SW2
OPERATION
Normal
FRONT
PANEL
Push
button
Red
LED
On
SW1
CONTROL
CIRCUIT
SUPPLY
Off
On
SW1
CONTROL
CIRCUIT
SUPPLY
Off
Switch
SW2
OPERATION
Normal
Switch
SW2
OPERATION
Normal
PD2
PD2
PD3
PD3
PD1: 16A mcb
PD2: 16A mcb
PD3: 6A mcb
HW ‘switched’ live (L)
CH ‘switched’ live (L)
Multi-Zone Wiring Diagram
2.0 INSTALLATION