Unico WON0202-C, Руководство по установке

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Bulletin 30-034.009
Copyright © 2022 Unico Inc. Page 16
Figure 19. Internal Wiring Diagram for WON1502-C. (Single phase)
FAN
DEFROST HEAT
STEP 1
COMMON
CONTACTOR
ELEMENT #1
CONTROL
TERMINAL BLOCK
GRN
BRN
RED
ORG
ORG
BRN
BRN ORG
FAN INTERLOCK RELAY
ORG
ORG
Control Wiring
Power Wiring
EL00103d.cvx
RED
RED
ELEMENT #2
ORG
BLK
STEP 2
BLK
*L 165
*L 165
CIRCUIT BREAKERS
L1
L2
G
GROUND LUG
FUSE LINK
FUSE LINK
To Blower
15 A.
25 A.
POWER
SUPPLY
240V
RECTIFIER
5 SEC.
DELAY ON
INTERLOCK/TIME DELAY
CAUTION
Relays and contactors utilize 22VDC coils
with AC to DC rectifier. Do not use relay with-
out rectifier.
Replace with factory authorized parts only.
NC
NO
AIR PRESSURE SWITCH
Jumper bars
(remove if motor
is wired separately)
HEATER
BLOWER
F D S1 S2 C G L1 L2/N
CONDUIT
DUAL CIRCUIT WITH MOTOR
GRN/YEL
RED
BLK
24VAC 240VAC
RECTIFIER
5 SEC.
DELAY ON
CONTACTOR
RECTIFIER
9 SEC.
DELAY ON
Internal Field
Wiring Legend
RECTIFIER
5 SEC.
DELAY ON
RECTIFIER
9 SEC.
DELAY ON
CONTACTOR
CONTACTOR
ORG
STEP 3 BLK
BLK
ELEMENT #3
ORG
*L 165 FUSE LINK
CONTACTOR
RECTIFIER
9 SEC.
DELAY ON
50A.
HEATER
BLU
BLK
BLU
L1
L2
S3
G
POWER
SUPPLY
240V
BLK