Hussmann microSC VRL3B - VRL3 Wiring Diagram

HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
VRL Merchandisers
P/N 3034040_H 45
INSTRUCTION-WIRE CONN LTEMP
WARNING
UNPLUG THE UNIT BEFORE SERVICING.
ADVERTENCIA:
DESCONECTE EL EQUIPO ANTES DE
REALIZAR
CUALQUIER SERVICIO O MANTENIMIENTO.
VRL3
208-230 V
60 HZ
ELECTRICAL SPECS MODEL VOLTAGE FREQUENCY BK= BLACK BL= BLUE R= RED BW=BROWN
EVAP. FANS
NEMA
L6-20P
GRN
208-230 V 60HZ 1HP
C E N T E R L E D
DOORS AND FRAME HEATERS
COMPRESSOR
RELAY LH
BL
R
LIGTHS
LIGHT
SWITCH
BK
LED DISPLAY
FRAME HEATER
1 2 3 4 5
30 A.
6 7 8
1 FAN COND.
1 2 3 4 5
30 A.
6 7 8 9
ELEC-TRON
3-S-226
1 2
7 8
3 4
5 6
9 10
11 12
23 24
25 26
R
BK
COMPRESSOR LH
CURRENT
RELAY
S
R
C
1 2
1
2
3
COMPRESSOR
RELAY RH
OUT3
OUT2
OUT1
OUT4
RS-485
MODULE
RTN400 SM
OUT2
OUT3
OUT1
OUT4
LINE
1 23
4
5 6 7 8 9 10 11 12 13 14
181920
21
22
23242526
27
28
29
30
3132
33
GND
D
GND
D
OC
12V
TTL
OPTIONAL
SENSOR TEMP
DEFROST
ORANGE
12V
D
GND
KEYB
15 cm.
MAX.
NEUTRO
NEUTRO
NO
DEFROST
RELAY
POWER SUPPLY
ELEC-TRON
3-S-226
1 2
7 8
3 4
5 6
9 10
11 12
23 24
25 26
COMPRESSOR LH
CURRENT
RELAY
S
R
C
12
1
2
3
DEFROST
HTR RH
DEFROST
HTR LH
TUBE
DRAIN
PAN
DRAIN
LOAD
SIGNAL
10
11
21
2b
1b
MAIN
SWITCH
GRN
GRN
PB1
PB2
2 FAN COND.
9
10
INPU T
OUTPUT
LED
C E N T E R L E D
SENSOR TEMP
AIR
GREEN
RELAY 1
RELAY 2
R
BK
1
3
4
2
HTR LIMIT SWITCH
BK
R R
BK BK
R
BK BK
R
R
R
BK
BK
R
BK
BK
R
R
BK
R
BK R R BK
BK
R
R BK
BK
R
R
R
BK
R
R
BKR
R BK
BK
BK
R
RR
R
BK
BK
BKBK
BK
BK
BK
BKR
R
RR
R
BK
R
R
BK
R
R
BKR
BK
R
BW
BW
WH
WH
NOTE: OPTIONAL LED DISPLAY
E N D L E D
E N D L E D
OPTIONAL
OPTIONAL
R
R
R
BK
R
BK
R
3034042_N
BK
BK
BK
BK
R
R
BK
R
BK
R
BK
BL (-) R (+)
POWER SUPPLY
LINE 1 NEUTRO (LINE2)
BK W
CENTER LED
CENTER LED
END LED
END LED
NOTE: OPTIONAL LED DISPLAY
NO
INPU T
OUTPUT
LED
1
3
4
2
NO
INPU T
OUTPUT
LED
1
3
4
2
NO
INPU T
OUTPUT
LED
1
3
4
2
NO
INPU T
OUTPUT
LED
1
3
4
2
R
RBK
R
45 tEchnIcal InforMatIon