2.9
BOILER ELECTRICAL “I-HE 35 MF & E-HE 35 MF”
TPA
(5 VDC)
FL
(24 VRAC)
SF
(5 VDC)
SM
(5 VDC)
SE
(5 VDC)
TS
(24 VDC)
SB
(5 VDC)
TA1
(24 VRAC)
TA2
(24 VRAC)
EXP (24 VRAC)
OP (24 VAC)
Fig. 11
KEY
F1-2
Fuse (4 AT)
TRA
Ignition transformer
PI
Pump
V
Fan
EA
Ignition electrode
ER
Detection electrode
EV1-2
Gas valve coil
TS
Safety thermostat
SF
Exhaust fumes probe
TFU
Thermal fuse
VD
Diverter valve
SM
Heating sensor
FL
Water flow switch
VD
Diverter valve
TPA
Pressure transducer
TA1
Zone 1 environment thermostat
TA2
Zone 2 environment thermostat
SB
D.H.W. tank sensor
CR
Remote control CR 73 (optional)
SE
External sensor (optional)
OP
Internal time clock (optional)
EXP
Expansion card
AR
Remote alarm
VZ
Zone valve
AUX
Auxiliary connection
NOTE: Boiler control can be by either
240v to terminal 14 CN7 and removal of
the link on terminals 7 & 8 on CN6.
A permanent mains supply must be
maintained at all times.
CONNECTOR SPARE PART CODES:
CN1
code 6316282
CN2
code 6316285
CN3
code 6316210
CN4
code 6316203
CN5
code 6316200
CN6
code 6316202
CN7
code 6316204
CN9
code 6316274
CN12
code 6316280
CN13
code 6316282
CN14
code 6316213
Page 24 of 40
Summary of Contents for Green Planet I-HE 35 MF
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