Wiring For Switch Panels And Circuit Diagrams - Accurex XB Installation, Operation And Maintenance Manual

Overall Wiring Plan View for Switch Panels
The diagrams below show typical wiring for combined
exhaust and supply switching when the switches are
shipped loose for remote mounting, and for hood
mounted switches.
The diagram shows how to wire the exhaust and
supply fan starters to the switches and fire suppression
contact. Typically, supply fans will be turned off and
exhaust fans will be turned on (or continue to run) in the
Shipped Loose
TYPICAL WIRING FOR COMBINED
EXHAUST & SUPPLY SWITCHING (SHIPPED LOOSE)
FACTORY WIRING
FIELD WIRING
LABEL DESCRIPTION
NO Normally-open
NC Normally-closed
COM Common
STR Motor Starter
OL Overload
CONTROL
VOLTAGE
FAN STARTERS PROVIDED
N
H
BY OTHERS
120 VAC
VOLTAGE FOR LIGHTS
N H
J-BOX ON
TOP OF
HOOD
HOOD LIGHTS
Circuit Diagrams
Single Throw
ON (NC)
Double Throw
ON (NO)
ON
Double Throw
Center Off
ON
Normally
Open
Contacts
Off if both are not activated
Off if either are not activated
On if both are activated
Normally
Closed
Contacts
On if both are not activated
Off if either are not activated
Off if both are activated
28 Kitchen Hoods • Type I and Type II
NC
FIRE SUPPRESSION
COM
MICRO-SWITCH/CONTACTS
NO
SUPPLY FAN
CONTACT
OL OL
CONTROL
VOLTAGE
SUP
SUP EXH
COOL
FAN FAN
N
H
CTRL CTRL
STR STR
LIGHTS FANS HEAT/COOL
SWITCHES
Single Pole
OFF
OFF
ON ON
ON (NC)
ON (NO)
OFF
Series Circuit
event the fire system is activated. The fire suppression
micro-switch is provided as part of the fire suppression
system and is normally mounted in the fire system
control box.
Wiring examples for use when a control panel is not
provided as part of the kitchen package.
Hood Mounted
TYPICAL WIRING FOR COMBINED
EXHAUST & SUPPLY SWITCHING (HOOD MOUNTED)
FACTORY WIRING
FIELD WIRING
LABEL DESCRIPTION
NO Normally-open
NC Normally-closed
COM Common
STR Motor Starter
OL Overload
FAN STARTERS PROVIDED
SUP
HTR
BY OTHERS
120 VAC
VOLTAGE FOR LIGHTS
N
J-BOX ON
TOP OF
HOOD
HOOD LIGHTS
Double Pole
OFF
OFF
ON ON
OFF
OFF
ON ON
ON (NC) ON (NC)
ON (NO)
ON (NO)
ON (NC)
ON (NC)
ON (NO)
ON (NO)
ON
OFF
ON
ON
OFF
ON
Parallel Circuit
Off if both are not activated
On if either is activated
On if both are activated
On if either is activated
Off if either not activated
Off if both are activated
NOTE
NC
FIRE SUPPRESSION
COM
MICRO-SWITCH/CONTACTS
NO
SUPPLY FAN
CONTACT
OL OL
CONTROL CONTROL
VOLTAGE VOLTAGE
SUP EXH
FAN FAN
H N H
STR STR
H
LIGHTS FANS
SWITCHES
SUP SUP
COOL HTR
N
CTRL CTRL
J-BOX ON
TOP OF
HOOD
HEAT/COOL