Flow Diagrams - Potterton Housewarmer 45 Installation & Service Instructions Manual

9. Flow Diagrams – Page 26
Live
Room Stat
T3 PL2-1
Timer
RD
T2 PL2-3
BN
PL2-2
T6
Y L
PUMP
Neutral (75)
PL7-1
Electronic Control
Thermostat
Temp
Pump overrun
Sensor
PL7-2
RELAY RLP
PL6-9
BK
Standby
Switch
(User
PL6-12
PL6-11
Control)
BN BN
F2 RLP
T1A
Gravity
Link
F1
T1A
RLP
Mains Transformer Tx1
20v
Timer
PL6-8 PL6-7
These Products Are
Located On The User
PK RD
Control Unit
BL -BLUE
BK - BLACK
BN - BROWN
PK - PINK
RD - RED
WH - WHITE
YL - YELLOW
GY - GRAY
OR - ORANGE
Main Gas Valve
O/H
PL5-1
PL5-3
Stat
BL
WH WH
PL4-5
Pilot Gas Valve
20v
Flame Sensing
Electrode
WH
Flame Detector Start Up Latch
RELAY RLP RELAY RLL RELAY RLT
PL6-3
WH
Flame LED
Ignition
Electrode
PL4-4
Spark Generator
RLF
PL4-3
RLT
BL
Ignition Timer
PL6-2 PL6-5
GY OR
Lockout LED
Neutral
RLT
PL2-4 T1-T5
B L
PL6-4
B L
Reset Switch
(Located On
User Control
PL6-1
Unit)
B L
BB45000B