White Rodgers 770-1 Dual Purpose Air Switch Bedienungsanleitung PDF herunterladen

Electrical Ratings

Model Adjustable Switch Resistive (Non-Inductive)

Number Operating Range Action 120 VAC

240 VAC 277 VAC 125-277 VAC

770-1 0.05 to 12.0 W.C. SPDT 15.0A 15.0A 15.0A 300 VA

770-3 0.05 to 12.0 W.C. SPDT 15.0A 15.0A 15.0A 300 VA

DUAL PURPOSE AIR SWITCH

Responds to Positive, Negative or Differential Air Pressure

FEATURES

•Designeliminates“uttering”ormalfunctionduetoshockorvibrationnormally

encountered with “sail switches.”

•Wideoperatingrange.

•Furnishedwithone12” piece

”O.D.exibletubing,nutsandferrules.

•Canbemountedinanypositionexceptupsidedown.

•Encloseddiaphragm.

SPECIFICATIONS

Ambient Temperature ................ -40 to +180°F

Maximum Pressure..................

PSI

Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed and C.S.A. approved

HP @ 125 VAC

770-1



AIR SWITCH APPLICATIONS

ELECTRONIC AIR CLEANERS

Switch permits power to cleaner whenever

blower of system is operating.

PROCESS DRYING

Switch monitors negative pressure to stop

conveyor or process and provides alarm

signalonfanfailure.Idealforbulk

chemicals, food processing, grain drying.

POWER HUMIDIFIERS

Switch permits unit to operate whenever

there is proper air movement.

NATURAL DRAFT BURNERS

Switchsignalsinsufcientdraft,provides

safetylimittostopringonlackofdraft,

startsagainonsufcientdraft.

REFRIGERATION EQUIPMENT

Switch responds to pressure drop across

refrigeration coils to signal alarm condition

or automatically initiate or terminate

defrost cycle.

INDUCED DRAFT BURNERS

Proves operation of I.D. fan by sampling

draftorairow.Shutsoffringequipment

on fan failure.

DUCT STRIP HEATERS

Switch proves air movement across

heaters by positive pressure to prevent

burn-outoninsufcientairow.

DUAL PURPOSE

AIR SWITCH

Indicates Canadian Model Number: call 1-800-305-6953 to order



www.white-rodgers.com

HEATING

DUAL PURPOSE 1
AIR SWITCH 1

Inhaltsverzeichnis

Seite 1 - AIR SWITCH

Electrical Ratings Model Adjustable Switch Resistive (Non-Inductive) Number Operating Range Action 120 VAC 240 VAC 277 VAC 125

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