Specifications
Page 17
mCHP
BOILERMATE
A-CLASS
TECHNICAL SPECIFICATION 3.0
3.4 ELECTRICITY SUPPLY AND WIRING
DIAGRAMS
©
mCHP BM-N.FC7
B
B
Bl
Bl
Bl
Bl
R
R
R
R
Br
Br
G/Y
G/Y
Br
Br
Br
Br
Br
Br
Br
Br
Br
Br
Y
B
Y
B
O
O
B
B
Wh
Wh
Wh
Wh
Wh
Br
Bl
Br
Wh
B
Wh
Bl
RR
B
Br
B
Or
Wh
G/Y
Br
Br
Bl
Bl
Bl
Bl
R
Bl Bl
RR
R
G/YBr
R
R
R
R
R
Bl
Br R
Bl
Bl
Br
Bl
R
B
Bl
B
Or
Wh
Br
Bl
Or
Wh
B
BL
Br
Bl
Bl
Br
Br
Br
B
B
Br
Bl
G/Y
G/Y
(1) Connection only used
if Modulating Pump is fitted
(1)
R
Bl
Wh
Or
R
R
R
R
R
Or
R
O
O
B
B
Y
Y
S4
S5
S6
ID_RESISTOR
S3
S1 & S2
FRONT PANEL
Red LED
Push Button
J33
J32
J34
J28
J29
J5
J3
J30
J31
J9
L LN NE EM M
M
1
2
3
5
4
PN
PL
SL_E
SL_B
SL_N
SL_R
SL_W
SL_H
PE
PE
PE
PE
L1
L2
N
N
N
N
N
PE
MCB 2
MCB 1
MCB 3
16A
6A
16A
A2 14
A2
A1 13
A1
1
3
4
2
R1
C1
HTG Switched Live
HW Switched Live
Pump Supply
from mCHP
230V ac
N LE
Permanent Live
(L) 230 V ac
Neutral
Main Supply
230V 50Hz 45A
(10mm² T & E cable)
GRASSLIN CLOCK
* All wire sizes 0.5mm² unless otherwise stated
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
2.5mm² HIGH TEMP
NL
2 3 41
ON
SPD1/2A
OPTIONAL EXTRA IF FITTED
(PART No XB142)
SCALE INHIBITOR
2 x 3kW Heating Elements
S 3
S 4
S 5
S 6
Store overheat (Top)
Cold Water IN
Domestic Hot Water OUT
Store Bottom
10K Resistor
Store Middle
S1 & S2
ID_RESISTOR
SENSOR LEGEND
BLUEBl
BROWNBr
GREEN / YELLOW
G/Y
WIRE COLOUR LEGEND
BLACK
ORANGE
YELLOW
WHITE
RED
B
Or
Y
Wh
R
mCHP BOILERMATE 'A' Class - N
with Clock (Factory Standard)
FACTORY FITTED CLOCK
(STANDARD) OPTION
CENTRAL HEATING
PUMP
DOMESTIC HOT WATER
PUMP
mCHP
Modulating
Pump
2 1
4
8
9
mCHP_On/Off S/W Live (L)
Room stat S/W Live (L)
Electric_boost ON signal (SL)
mCHP_boost S/W Live (L)
Bl
Br Br
'MODE'
Switch
Neon Illuminated
ON / OFF Switch
B
7
3 6 5
NLML
DRN.
31 2 87654
A
B
C
D
E
REV.DRG. NAMEDRG. SIZE
JOB No.
JOB NAMETITLEDATEAPP'D.CH'KD.DATE
DO NOT SCALE FROM THIS DRAWING. COPYRIGHT OF THIS
DRAWING IS RESERVED. IT IS NOT TO BE REPRODUCED
COPIED OR DISCLOSED TO A THIRD PARTY EITHER
WHOLLY OR IN PART WITHOUT OUR WRITTEN CONSENT.
0
Electrical Schematic for mCHP BOILERMATE 'A' class N
appliance with (standard) factory fitted clock
ISSUE No : 1
APPROVED
DATE : JUNE 2006
00 /
A3
SYCAMORE TRADING ESTATE
SQUIRES GATE LANE
BLACKPOOL
LANCASHIRE
FY4 3RL
GLEDHILL WATER STORAGE LTD.
28-09-04P. Ganderton
GLEDHILL WATER STORAGE LTD.
S. Gataora
S. McGachie
04-11-04
FIGURE 3.6