ESIE98–06A Wiring Layout
Part 1 – System Outline 1–38
Wiring diagram
EUWA15-20HC
switch for dual setpoint
thermal protector fan 3, 4
fan motors for compressor2
connector for digital output
connector for power supply controller
connector for analog input
connector for digital input
compressor contactor circuit1,circuit2
indication lamp alarm
automatic fuse for secondary of TR1
main fuses for the unit
automatic fuse for the primary of TR1 + control circuit
interconnection connector switchbox 1,switchbox 2
solenoid valve for injection line circuit1, circuit2
transfo 230V -> 24V for supply of controllers
thermostat for evaporator heatertape
thermostat for liquid injection circuit1, circuit2
evaporating temperature thermostat circuit1, circuit2
main isolator switch
contact that closes if pump is working
flowswitch
switch for remote start/stop
high pressure switch for circuit1, circuit2,
sensor for ambient temperature measurement
outlet water temperature sensor
sensor for evaporator/condensor inlet water t%%d measurement
reverse phase protector
thermal protector fan 1, 2
discharge thermal protector circuit1, circuit2
main earth terminal
compressor motors for compressor1, compressor2
fan motors for compressor1
pumpcontactor
auxiliary relay for evaporator heatertape
auxiliary relay for fanspeed control
contactor for fanmotor circuit1, circuit2
auxiliary relay for safety circuit1, circuit2
overcurrent relay circuit1, circuit2
indication lamp operation circuit1,circuit2
indication lamp general operation
automatic fuse for the fans circuit
automatic fuse for the secondary of TR1
fuse evaporator heatertape
evaporator heatertape
capacitors for fanmotors
crankcase heater circuit1,circuit2
S8S *
Q21F,Q22F
M21F,M22F
J5,J6,J22,J24
J17
J1,J2
J3,J4,J21
K1M,K2M
H1P *
F9B
F1U,F2U,F3U#
F5B
X1A/X1B,X2A/X2B
Y1S,Y2S **
TR1
S25T **
S19T,S20T **
S16T,S17T
S12S #
S11L #
S10L #
S9S *
S1HP,S2HP
R3T
R4T,R5T
R7T
R1P
Q11F,Q12F
Q1D,Q2D
M1C,M2C
M11F,M12F
KP *
K11A **
K12A,K13A
K1F,K2F
K1A,K2A
K4S,K5S
H3P,H4P *
H2P *
F7B
F6B
F1EH #
E4H,E5H,**
C1,C2,C3,C4
E1H,E2H
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