Operating instructions

- 15 -
Circuit Diagram
INDICATES ORANGE WIRE
INDICATES WHITE WIRE
FILTER
FAN
ACN
N
L
ACL
FAN
RESISTOR
ROOM
THERMISTOR
PCB
USER
INTERFACE
BLACK
ROOM
RED
FAN
WHITE
CORE
ELEMENT
NEUTRAL
No. 3
No. 2
No. 1
ELEMENT
NEUTRAL
BOOST
NEUTRAL
FAN
NEUTRAL
BI-METAL
NEUTRAL
LIVEEARTH
NEUTRAL
1
2
3
4
5
LIVE
NEUTRAL
NEUTRAL
LIVE LIVE
EARTH
RIGHT THERMOSTAT
SFB
DFB
USER INTERFACE
LEFT
CUT OUT
LIMIT
THERMOSTAT
STORAGE ELEMENTS
CORE THERMISTOR
AIR SENSOR
BOOST ELEMENT
LOWER
LEFT
THERMOSTAT
SIDE
THERMOSTAT