3.ELECTRICAL DIAGRAMS
LEGEND:
A= Time Clock Connector
B= Central Heating Selection (Winter) and Temperature Adjustment
C= Connector for Total Check System
D= Domestic Hot Water Temperature Adjustment
E=
F= Maximum Heating Adjustment
G= On/Off Switch
H= On/Off L.E.D.
I= Fume Sensor L.E.D.
J= Ignition Failure (Lockout) L.E.D.
K= Low System Water Level/Lack of Circulation L.E.D.
L= Reset Button
M= Economy/Comfort Selector
N= Overheat L.E.D.
O= Temperature L.E.D.s
P= Transformer
Q= Circulation Pump Relay
R= Fan Relay
S= Gas Valve Relay
T= Motorised Diverter Valve Relay
V | = | Spark Generator | |
U | = | ||
A01 | = |
| Circulation Pump |
A02 | = |
| Fan |
A03 | = |
| Spark Generator/Gas Valve Supply |
A04 | = |
| Motorised Diverter Valve |
A05 | = |
| Flame Detection Circuit |
A06 | = |
| Detection Electrode |
A07 | = |
| Main Circuit Temperature Probe |
A08 | = |
| Domestic Hot Water Temperature Probe |
A09 | = |
| Domestic Hot Water Flow Switch |
A10 | = |
| Main Circuit Flow Switch |
A11 | = |
| Modulator |
A12 | = |
| Air Pressure Switch |
A13 | = |
| Safety Thermostat |
A14 | = |
| External (Room) Thermostat |
Colours: |
| ||
Gry |
| = | Grey |
Wh |
| = | White |
Pnk |
| = | Pink |
Brn |
| = | Brown |
Bl |
| = | Blue |
Blk |
| = | Black |
Rd/Blk | = | Red/Black | |
B063 | 23 |