9
W
iring
Typical Heating and Hot Water control system using
2-port zone valves
1
2
3
5
6
102E5
TERMINALS
L N
BOILER &
PUMP
TERMINALS
L
N
MAINS
SUPPLY
FUSED
3 AMP
LINK
COM
CALL
N
N
COM
CYL.
'STAT
CALL
N
SAT
ROOM
'STAT
HEATING
VALVE
D.H.W
VALVE
The above control system is available as the Danfoss
Randall 102E5 HEATPLAN pack, which also includes the
TW room thermostat, AT cylinder thermostat, two 22mm
HPP zone valves and a WB12 wiring box.
