Appendix H - Wiring Diagrams - Venmar 6LC Installation, Operation And Service Instructions

• Risk of electric shocks. Before performing any maintenance or servicing, always disconnect the unit from its power source.
• This product is equipped with an overload protection (fuse). A blown fuse indicates an overload or a short-circuit situation. If
the fuse blows, disconnect the unit from its power source. Discontinue using the unit and contact technical support.
6LC, V6LC,12LC & V12LC - Exhaust Defrost - Normal Low Speed
Ventilation Fan Motors
(Exhaust)
M1
Low Speed
Relay
K1
UCB1
VE0460A
Appendix H
WIRING DIAGRAMS
SYSTEM DIAGRAM
(Supply)
M2
High Speed
Relay
K2
3 2 1
6 5 4
9 8 7
10K Defrost
J1
Thermistor
POSITION SETTING
ITEM
A OFF
B OFF
C OFF
JU1 D ON
E ON
F ON
G ON
!
WARNING
Main Electrical Enclosure
Defrost
Relay
K3
F1
J3
JU1
J4
J2
DESCRIPTION
ITEM
K1
Relay DPST 120 VAC, 1 HP, 30 A @ 120 VAC
K2
Relay SPDT 120 VAC, 1 HP, 30 A @ 120 VAC
K3
F1 Fuse 5 A fast acting and fuse holder
Electronic Controller
UCB1
24
Ref: 1107006_REV-A
From/To
J3-9 J3-8
BLACK
J3-6
J3-7
RED
3.9K
J3-8
OCC.
J3-9
J3-8
J3-8
UNOCC.
J3-9
J3-1
REM FAN
J3-2
INTERLOC
GREEN
YELLOW
LOW
COM
HIGH