20
2.14
E
LECTRICAL
/S
YSTEM
D
IAGRAMS
B -
Summer/Winter Switch - Central Heating Temperature
Regulation
C - Connector for Remote Control (Climate Manager)
D - Domestic Hot Water Temperature Regulation
E -
Soft-light Regulation
F -
Maximum Central Heating Temperature Regulation
G - ON/OFF Selector
H - EEPROM
I -
Time Clock Connector
L -
Reset Push Button
M - Economy/Comfort Selector
N - EASY Teleservice (optional) P.C.B. Section
O - Display P.C.B. Connector
P -
Transformer
Q-
Modem Connection (optional - EASY Teleservice)
A01 - Circulation Pump
A02 - Fan
A03 - Spark Generator Power Supply
A04 - Gas Valve Power Supply
A05 - Motorised Valve
A07 - Flame Sensor
A08 - Central Heating Flow NTC
A09 - Domestic Hot Water NTC
A10 - Domestic Hot Water Flow Switch
A11 - Low Water Pressure Switch
A12 - Modulator
A13 - Air Pressure Switch
A14 - Overheat Thermostat
A15 - External Timer/Room Thermostat
A16 - Central Heating Return NTC
COLOURS:
Gy -
Grey
Wh -
White
Rd -
Red
Br -
Brown
Bl -
Blue
Blk -
Black
Pk
-
Pink
A -
Dip Switch:
1 -
Do Not Use (jumper is factory set in position B)
2 -
Anti-Cycling Device Adjustment for Heating
Position A = 0 mins
Position B = 2 mins
3 -
Do Not Use (jumper is factory set in position B)
4 -
Do Not Use (jumper is factory set in position B)
5 -
Fan over-run selector (after D.H.W. is drawn)
Position A = ON
Position B = OFF
6 -
Do Not Use (jumper is factory set in position B)
FUSE
FUSE
1
2
4
5
6
3
O
N
5 6
A
B
CN203
CN206
CN206
CN205
CN203
CN201
CN303
CN302
CN201
CN300
C
N
3
0
2
C
N
3
0
3
CN304
CN205
CN200
H
L
M
I
N
O
P
Q
A16
Y
/G
B
lk
B
lk
B
lk
G
ry
G
ry
G
ry
G
ry
P
n
k
P
n
k
P
n
k
P
n
k
G
ry
o
r
B
l
W
h
W
h
W
h
R
d
B
lk
B
lk
B
lk
B
lk
B
rn
B
rn
B
rn
B
l
B
l
B
l
B
l
B
lk
O
r
O
r
ATTENTION
When replacing the
P.C.B. disconnect the
EEPROM key (leave it
attached to the control
panel) and reconnect to
the new PCB.
H
F
IG
. 2.23