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Canopy Hood
®
EXHAUST FAN CONTACT
SUPPLY FAN CONTACT
EXHAUST FAN CONTACT
SUPPLY FAN CONTACT
SEPARATE EXHAUST & SUPPLY SWITCHING
COMBINED EXHAUST & SUPPLY SWITCHING
THE SUPPLY FAN WILL BE TURNED OFF IF THE FIRE SYSTEM IS ACTIVATED, AND
ALLOW THE EXHAUST FAN TO CONTINUE TO OPERATE.
CONTROL PANEL TO A FIRE SUPPRESSION CONTACT (FSC1). WHEN WIRED PROPERLY,
THE DIAGRAM BELOW SHOWS HOW TO WIRE THE EXHAUST AND SUPPLY FANS WITH A
SUPPRESSION SYSTEM AND IS NORMALLY MOUNTED IN THE FIRE SYSTEM CONTROL BOX.
THE FIRE SUPPRESSION CONTACT (FSC1) IS PROVIDED AS PART OF THE FIRE
OL
OL
ON TOP OF HOOD
LIGHTS
SUPPLY POWER
HOOD
WHITE
JUNCTION BOX
FOR FIELD
CONNECTION OF
120 VOLT
FSC1
CONTROL
VOLTAGE
N
H
EXH
FAN
STR CTRLSTR
SUP
FAN HTR
SUP
OL
ON TOP OF HOOD
LIGHTS
HOOD
SUPPLY POWER
JUNCTION BOX
FOR FIELD
CONNECTION OF
120 VOLT
FAN
SUP
STR
CONTROL
115VOLT
N
H
STR
FAN
EXH
CTRL
SUP
HTR
SUP FAN
OPTIONAL
OL
FSC1
LIGHT
SWITCH
EXHAUST & SUPPLY
SWITCH
HEATER
SWITCH
LIGHT
SWITCH
EXHAUST
SWITCH
SUPPLY
SWITCH
HEATER
SWITCH
HOOD SWITCH
PANEL DETAIL
THE DIAGRAMS BELOW SHOW A TYPICAL HOOD SWITCH PANEL REMOTE MOUNTED.
FOR HOOD MOUNTED SWITCHES REFER TO THE WIRING CONNECTION DECAL ON THE
COVER OF THE JUNCTION BOX ON THE HOOD TOP.
HOOD SWITCH
PANEL DETAIL
CONTROL
VOLTAGE
Wiring for Hood Switch Panels
Fig. 49
The diagrams below show a typical hood switch panel remote mounted. For hood mounted switches
refer to the wiring connection decal on the cover of the junction box on the hood top.
The diagram below shows how to wire the exhaust and supply fans with a control panel to a fire
suppression contact (FSC1). When wired properly, the suppy fan will be turned off if the fire system is
activated and allow the exhaust fan to continue to operate.
The fire suppression contact (FSC1) is provided as part of the fire suppression system and is normally
mounted in the fire system control box.