Electrical Diagram(S) - Heatrae Sadia Megaflo Eco SystemFit 145sf Instructions Manual

3.4 Electrical diagram(s)

PROGRAMMER - HEATING ZONE 1
& DOMESTIC HOT WATER
(SUPPLIED)
L N
N
N.B. A DOUBLE POLE ISOLATING
SWITCH MUST BE INSTALLED IN
THE MAINS SUPPLY
WIRING CENTRE
(SUPPLIED FITTED)
L
FUSED (3 AMP)
N
MAINS SUPPLY
KEY
Br BROWN
Bl BLUE
G GREY
O ORANGE
W WHITE
GY GREEN/YELLOW
DHW DOMESTIC HOT WATER
HTG HEATING
L LIVE
N NEUTRAL
EARTH
NOTES
1. ALL EARTH CONNECTIONS MUST BE LINKED BACK TO THE EARTH TERMINALS IN THE WIRING CENTRE
2. ALL NEUTRAL CONNECTIONS MUST BE LINKED BACK TO THE NEUTRAL TERMINALS IN THE WIRING CENTRE
3. ASSUMES BASIC BOILER
4. THE 22MM MOTORISED VALVES DO NOT HAVE A WHITE WIRE
5. THE ABOVE DIAGRAM IS FOR GUIDANCE ONLY, THE MANUFACTURER ACCEPTS NO LIABILITY FOR ANY LOSS OR DAMAGE ARISING FROM
ANY ERRORS OR OMISSIONS THAT MAY BE INADVERTENTLY CONTAINED WITHIN THIS DIAGRAM. THE VARIOUS EQUIPMENT
MANUFACTURERS SHOULD BE CONSULTED TO CONFIRM THE CORRECT OPERATION OF THEIR PRODUCTS WITHIN THE SYSTEM
Figure 2: Schematic wiring diagram - basic 2 x 2 port valve system
PROGRAMMABLE
ROOM THERMOSTAT
FOR ZONE 2
(SUPPLIED)
DHW
HTG
ON ON
5 6 2
4 3
ROOM SENSOR
(SUPPLIED)
1 2 3
N
N
Br Bl G O GY
HEATING ZONE 1VALVE
(SUPPLIED FITTED)
INDIRECT
THERMAL CONTROLS
(SUPPLIED FITTED)
3
1 2 3
4 5
6 7 8 9 10
N
O GY
W Br Bl G
HEATING ZONE 2 VALVE
(SUPPLIED FITTED)
(DHW)
ZONE VALVE
(SUPPLIED FITTED)
Br Bl O
G GY
N
11 12 13 14 15 16
N N
L N L N
W
PUMP BOILER
(SUPPLIED FITTED)
9