Wiring Diagram - Daikin EKHHEU200CV37 Use, Installation And Maintenance Manual

To access the 6-core cable for remote connection, remove the
upper cover of the boiler and run to the outside the cable, al-

7.9 Wiring diagram

YE-GN
YE-GN
Power
Supply
YE-GN
YE-GN
YE-GN
YE-GN
YE-GN
Solar / Hot
Water Pump
Fan Motor
Compressor
Tank Jacket
Water Tank
L
L
Solar drain v.
N
N
Description of connections available on the power board
CN1 Air, defrost and water NTC probes
Evaporator inlet, evaporator outlet, compressor
CN2
discharge refrigerant NTC probes
Probe for solar thermal management - Only for
CN3
models PCV3
CN4 Not usable
CN5
Solar digital inputs, PV, Off-peak
CN6 High pressure switch
CN7 Low pressure switch
CN8
Electronic fan PWM control (EC)
CN9+CN12 Not usable
CN10 Fan power supply EC, AC
Solar thermal/DHW circulating pump (ON/OFF
CN11
type), drain valve or solar collector shutter - Only
for models PCV3
User, Installations and Maintenance Manual
Helectric
Heater
EMC
Filter
Safety
Thermostat
N L
(N)
CN18
CN16
(L)
T5AL250V
CN19
MAIN BOARD
CN3
Solar thermal cut-out
Solar / Hot
Water Pump
Solar collector
CN11
Probe
fig. 33- Equipment wiring diagram
ready present inside the unit, through the special cable gland
installed in the back cover.
Compressor
COMP
S
YE-GN
C
R
C15uF
N
L
CN20 CN15 CN11
CN25
Not usable
CN27 CN2 CN1 CN4
CN13
CN14
CN15
CN16
CN17
CN18
CN19
CN20
CN21
CN22
CN23
CN25
Hot Gas
Coil
L
N
N
L
CN13
CN26 CN10
CN14
EC Fan
CN17
CN8
Not usable
CN9
CN12
CN23
CN22
CN21
CN5 CN6 CN7
HPS LPS
Hot gas defrost valve power supply
Not usable
Compressor power supply
Heating element power supply
Not usable
Main power supply 230 V - 1 PH - 50 Hz
Earth connections
230 Vac power supply for impressed current
anode converter
Connection with end of line inspection/test
WI-FI card connection (not supplied)
User interface connection
Not usable
Motor
M
YE-GN
U.I.
Board
Not usable
Not usable
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