TJERNLUND PS1505 IN-LINE DRAFT INDUCER FAN PROVING SWITCH 8500135 REV 1... User manual

MODEL PS1505 FAN PROVING SWITCH DESIGNED
FOR TJERNLUND AUTO-DRAFT
®
INDUCERS
PURPOSE
SPECIFICATIONS
The Tjernlund PS1505 Fan Prover has been designed to monitor
the pressure within the fan housing only. A motor or wheel failure
will decrease housing pressure and deactivate the pressure switch,
thus preventing combustion
Voltage: 125VA pilot duty at 24 volts AC
300VA pilot duty at 115 to 277 volts AC
15 amps non-inductive to 277 volts AC
Electric Switch: SPST, normally open snap acting contacts
Electric Connectors: #6-32 screw terminals with cup washer
Control Set Point: Nonadjustable
Operating Pressure: On increasing vacuum pressure rise,
.05 +.02” W.C. with diaphragm in vertical position
Maximum Pressure: 1/2 psi
Operating Temperature Range: -400to 1900F.
Mounting Position: Diaphragm vertical
Dimensions: 5” diam., 5 1/2” across mounting bracket, 3” high
Weight: 1 Lb. 2 oz.
Finish: Zinc plated steel
Simple Installation
Mounting Hardware Furnished
Fixed Set Point
TYPICAL OIL WIRING
TYPICAL GAS WIRING
TJERNLUND PRODUCTS, INC.
1601 Ninth Street • White Bear Lake, MN 55110-6794
PHONE [phone] • [phone] • FAX [phone]
Visit our web site • www.tjernlund.com
© 1996 Tjernlund Products, Inc. P/N 8500135 Rev. 1 12/96
FEATURES
TYPICAL INSTALLATION
FLUE PIPE OR BREECHING
1/4” ALUMINUM TUBING
FURNACE PLENUM, WALL OR
JOIST MOUNTING. DIAPHRAGM
MUST BE VERTICAL.
PS1505
SENSING PORT
DRAFT INDUCER