ESIE98–06A Wiring Layout
Part 1 – System Outline 1–37
Wiring diagram
EUWY5-8-10HB
switch for cool/heat selection
automatic fuse for the control circuit / secondary of TR1
connector for digital outputs in terminal unit
reverse valve
transfo 230V -> 24V for supply of controllers
evaporating temperature thermostat
main isolator switch
contact that closes if the pump is working
flowswitch
switch for remote start/stop
high pressure switch
sensor for coil temperature measurement
outlet water temperature sensor
inlet water temperature sensor
reverse phase protector
thermal protector fan
discharge thermal protector
main earth terminal
compressor motor
fan motors
auxiliary relay
pumpcontactor
contactor for fanmotor
evaporating temperature thermostat bridge
compressor contactor
auxiliary contactor for high pressure
overcurrent relay
indication lamp operation compressor
indication lamp alarm
surge proof fuse
surge proof fuse
automatic fuse for fanmotors
main fuses for the unit
capacitors for fanmotors
crankcase heater
S7S *
F5B,F6B
X2
YRV1
TR1
S16T
S12S #
S11L #
S10L #
S9S *
S1HP
R5T
R4T
R3T
R1P
Q11F,Q12F
Q1D
PE
M1C
M11F,M12F
K11A
KP *
K1F
K2A,K4A
K1M
K1A
K4S
H3P *
H1P *
F8U
F9U ##
F7B
F1U,F2U,F3U #
C1,C2
E1H
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