P/N 3034040_H U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com
44 tEchnIcal InforMatIon
INSTRUCTION-WIRE CONN 1 & 2 DR
WARNING
UNPLUG THE UNIT BEFORE SERVICING.
ADVERTENCIA:
DESCONECTE EL EQUIPO ANTES DE
REALIZAR
CUALQUIER SERVICIO O MANTENIMIENTO.
ELECTRICAL SPECS
MODEL VRL1,2
VOLTAGE 208-230 V
FRECUENCY 60 HZ
BK= BLACK
BL= BLUE
R= RED
BW=BROWN
WH=WHITE
C
E
N
T
E
R
L
E
D
DOORS AND FRAME HEATERS
B KR
BL
R
LIGTHS
LIGHT
SWITCH
LED DISPLAY
FRAME
HEATER
ELEC-TRON
3-S-226
1 2
7 8
3 4
9 10
11 12
23 24
25 26
R
BK
COMPRESSOR
RELAY
OUT3
OUT2
OUT1
OUT4
RS-485
MODULE
RTN400 SM
OUT2
OUT3
OUT1 OUT4
LINE
1 2 3 4 5 6 7 8 9 10 11 12
13
14
181920
21
22
232425
2 62 7
28
29
303132
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
NO
INPUT
OUTPU T
NO
POWER SUPPLY
COMPRESSOR LH
CURRENT
RELAY
S
R
C
12
1
2
3
PB1
PB2
LED
INPUT
OUTPU T
LED
INPUT
OUTPUT
LED
SENSOR TEMP
AIR
GREEN
RELAY 3
RELAY 2
1
3
4
RELAY 1
E
N
D
L
E
D
2
1
3
4
2
1
3
4
2
HTR LIMIT
SWITCH
2
1
2b
1b
1
2
3
4
5
30 A.
6
7
8
DEFROST
HTR
TUBE
DRAIN
PAN
DRAIN
1 FAN
COND.
R
BK
R BK BK
R
BK
BK
BK
R R
BK
BK
R
BK
BK
R
R
R
BK
R
R
BK
BK
BW
R
WH
R
R
R
R
BK
BK
BK
R
R
BK
BK
BK
R
R
RR
BK
BK
ELEC-TRON
3-S-226
1 2
7 8
3 4
5 6
9 10
11 12
23 24
25 26
R
BK
MAIN
SWITCH
SIGNALLOAD
R R BK BK
BK
R R
BK
BKR RR
BL (-)
R (+)
POWER SUPPLY
LINE 1
NEUTRO (LINE2)
BK
W
CENTER LED
END LED
BL (-)
R (+)
POWER SUPPLY
LINE 1 NEUTRO (LINE2)
BK
W
END LED
LED DISPLAY
BK
BK
BK
R
R
5 6
END LED
END LED
E
N
D
L
E
D
NOTE:
OPTIONAL LED DISPLAY
NOTE:
OPTIONAL LED DISPLAY
OPTIONAL
3037551_P
VRL2B
VRL1B
R
EVAP. FANS
NO
INPUT
OUTPU T
LED
1
3
4
2
NEMA
L6-15P
GRN
208-230 V
60HZ
1HP
BK
R
EVAP FAN
RELAY
BK
BK
R
RELAY 4
R
R
LED DISPLAY QTY NOTE:
WHEN IS A 2 DOOR EQUIPMENT: 1 LED
WHEN IS A 1 DOOR EQUIPMENT: 2 LED
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