J2
Earth return for igniter
(functional only not a
protective earth)
Igniter output to igniter probe
(terminal embedded in transformer)
J17
Microcontroller programming header
(factory and service use only, no harness fitted)
J16
Communication harness
(factory and service use only, no harness fitted)
Motor terminal 1
No connection
Return
Limit signal - open
+12V Hall Effect supply
Limit signal - closed
Motor terminal 2
J15
Water flow control valve
Valve connection 1
Valve connection 2
J10
Proportional gas valve
on SIT valve assembly
J11
Temperature sensor-spare (not in use)
Spare
Thermistor
Outlet Thermistor
Inlet Thermistor
J12
Temperature sensor-inlet, outlet
Return/black
Signal/yellow
+5V/red
J14
Flow meter
(Return)
(Return)
(Return)
(+12V)
J9
Combustion fan
Ta
cho signal
Return
+5V tacho supply
+36V max (variable)
31V
AC / yello
w
31V
AC / yello
w
11.5V
ac / white
Centre tap / black
11.5V
ac / white
+36V
Centre/3
+36V
Right/3
+36V
Left/9
COM (term 3)
N/O (term 2)
J8
Transcoder
secondaries
J7
Burner control
valves
J6
Pressure switch
J5
gas shotoff valves
on SIT valve assembly
J4
Fused mains out to
transformer primary
& de-ice heaters
J3
Mains in
(Fused L)
L N
L N
EV1 EV32 Neutral
MAINS MAINS
TRANS SEC
PRINTED CIRCUIT BOARD
TRANSFORMER
ANTI FREEZE SENSOR
ANTI FREEZE HEATER
OVERTEMP THERMOSTAT OVERTEMP THERMAL LINK
CONNECTOR
IN
APPLIANCE
GROMMET
MAINS PLUG
OUT
EARTH
All sensors and inputs/outputs
are connected with prewired
low voltage polarised plugs.
WIRING DIAGRAM RAPID 26L MODELS
CONNECTOR
CONNECTOR
WIRING DIAGRAM
CONNECTION DIAGRAM
Page 24
Alliance Appliances Pty Ltd
Rapid 26