Lang LVC-46 Installation And Operation Instructions Manual - page 14
p/n 2M-W2029 OpM L
VC- V
entless Universal Hood
12
ELECTRICAL INSTALLATION
Refer to the nameplate on the ventilator. Verify ELECTRICAL
SERVICE POWER. Voltage and phase must match the nameplate
specifications, and available electrical service amperage must meet or
exceed the listed amperage. Refer to specifications listed on page 1 of
this manual.
The ground lug of this ventilator must be connected to a suitable
building ground.
Open the front control panel to access the cooking appliance contactor
and builign alarm relay. Wire the cooking appliance control circuit to
the terminal block per the figure below.
NOTE: It is the responsibility of the electrical contractor to provide
suitable wiring, flexible or rigid conduit, and an appropriate strain relief.
Electrical Connection
NOTE: The hood requres a single phase (1ph), 208 or 240 volt, 20
amp suppy. When connecting line voltage to the unit’s terminal block,
use a minimum of #12 gage copper wire only, suitable for 167°F (76°C)
ambient temperature.
Appliance Connections
All under hood appliances are required to be interlocked with the hood’s
equipment cut-off circuit, through a customer supplied contactor. This
contactor must be a UL listed, definite purpose AC resistive air heating type,
suitable for the appliance load. Installation and connections shall be in
accordance with the National Electric Code NFPA 70. These connections
provide an automatic shutdown of the appliance when the hood is OFF, or in
the event of a malfunction or appliance fire.
Equipment Cutoff Connections
Opt 1:
Use TB#3 & TB#4 for 208 or 240 volt control circuit. These contacts will be
de-energized when the hood is OFF or in the event of a malfunction
Opt 2:
Use TB#5 & TB#6 as a Normally Closed SPST relay connection for equipment
control circuits with voltages other than 208 or 240 AC. These contacts will be
open when hood is OFF or in the event of a malfunction.
INSTALLATION
DANGER:
SUFFOCATION HAZARD
Do not attempt to use this
ventilator with gas-fired units.
This ventilator will not remove
products of combustion.
Unvented exhaust gasses
can be deadly.
WARNING
SHOCK HAZARD
Electrical connections must
be made by a licensed
electrician.
CAUTION:
FIRE HAZARD
HEALTH HAZARD
All cooking appliance must
be connected to the cooking
appliance contactor, the
control circuit of which is
controlled by the ventilator.
Failure to control cooking
appliances will provide no
protection in the event of a
fire, nor will cooking vapors
and odors be contained in
the event of ventilator hood
TB1
TB6
TB7
TB8
TB2
TB3
TB4
TB5
LINE INPUT
208-240VAC
50/60HZ
BUILDING
ALARM
INTERFACE
TO CUSTOMER
SUPPLIED
SWITCHING
DEVICE (SPST)
OPTION 2
TO CUSTOMER
SUPPLIED APPLIANCE
CONTACTOR
(240V CNTR CIRCUIT)
OPTION 1
L1
L2
IL2376a
TB3
TB4
208/240V
APPLIANCE
CONTROL
EQUIPMENT
CUTOFF
TERMINALS
CUSTOMER
SUPPLIED
CONTACTOR(S)
TO APPLIANCE
OVER CURRENT
PROTECTED
SUPPLY
EQUIPMENT INTERFACE OPTION 1
SPST
SWITCHED
EQUIPMENT
CUTOFF
TERMINALS
TB5
TB6
CUSTOMER
SUPPLIED
CONTACTOR(S)
CUSTOMER
SUPPLIED
SOURCE CIRCUIT
TO APPLIANCE
OVER CURRENT
PROTECTED
SUPPLY
L3
T3
EQUIPMENT INTERFACE OPTION 2