Heatrae Sadia Amptec 95 022 001 C-400 Fitting Instructions And User Manual page 14

FROM 3A
FUSED SPUR
OR MCB
TO
BOILER
FIGURE NINE: TYPICAL Y PLAN WIRING DIAGRAM
FROM 3A
FUSED SPUR
OR MCB
TO
BOILER
FIGURE TEN: TYPICAL HEATING ONLY WIRING DIAGRAM
14
CYLINDER
ROOM STAT
STAT
2 1 3
C 1 2
E
N
L
N
RUN
PROGRAMMABLE ROOM
THERMOSTAT
E
N
L
N
RUN
1 2 3 4 5
TIME CONTROLLER
A B C
1 2 3 4 5
MID POSITION
VALVE
BLUE
G/YELLOW
BROWN
GREY
ORANGE
6 7 8 9 10
6 7 8 9 10