DORA
200 LT-S - 260 LT-S - 200 LT - 260 LT
83
cod. 3541T640 - Rev. 03 - 05/2020
EN
To access the 6-core cable for remote connection, remove the
upper cover of the boiler and run to the outside the cable, al-
ready present inside the unit, through the special cable gland
installed in the back cover.
5.8 Wiring diagram
COMP
(N)
(L)
EMC
Filter
CN20 CN15
CN26
CN22
CN11
CN13
CN10
CN14
CN7
CN3
CN23
CN6
CN12
CN9
CN8
CN5
CN4
CN1
CN2
CN27
CN21
CN25
CN17
CN19
CN16
~
R
YE-GN
Hot Gas
Coil
C
EC Fan
Motor
YE-GN
Helectric
Heater
M
U.I.
Board
WI-FI
Board
F.C.T.
Connection
HPSW
S
~
Compressor
YE-GN
YE-GN
Power
Supply
YE-GN
Water Tank
Tank Jacket
Fan Motor
Compressor
YE-GN
YE-GN
YE-GN
Solar / Hot
Water Pump
YE-GN
Safety
Thermostat
CN18
L
L
L
N
N
N
MAIN BOARD
DIG
3
DIG
2
DIG1
P2
P7
P8
P1
N
L
L
N
N
L
Solar / Hot
Water Pump
Solar drain v.
CN11
C15uF
Fuse
Bridge
1
PT1000
Solar collector
Probe
fig. 26- Equipment wiring diagram
Description of connections available on the power board
CN1
Air, defrost and water NTC probes
CN2
Not usable
CN3
Probe for solar thermal management -
Only for
models
LT-S
CN4
Not usable
CN5
Solar digital inputs, PV, Off-peak
CN6
High pressure switch
CN7
Flow switch for solar thermal/DHW circulating
pump (not supplied)
CN8
Electronic fan PWM control (EC)
CN9+CN12
Not usable
CN10
Fan power supply EC, AC
CN11
Solar thermal/DHW circulating pump, drain
valve or solar collector shutter -
Only for models
LT-S
CN13
Hot gas defrost valve power supply
CN14
Not usable
CN15
Compressor power supply
CN16
Heating element power supply
CN17
Not usable
CN18
Main power supply
CN19
Ground connections
CN20
230 Vac power supply for impressed current
anode converter
CN21
Connection with end of line inspection/test
CN22
WI-FI card connection
CN23
User interface connection
CN25
Not usable
Содержание DORA 200 LT
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