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COMPONENT DESCRIPTION
HS-3 MOTOR SPECIFICATIONS
MECHANICAL DATA
ELECTRICAL DATA
HS-3 POWER VENTER SPECIFICATIONS
DESCRIPTION OF APPLICATION
TJERNLUND PRODUCTS, INC.
TJERNLUND PRODUCTS, INC.
1601 Ninth Street • White Bear Lake, MN 55110-6794
PHONE (800) 255-4208 • (651) 426-2993 • FAX (651) 426-9547
Visit our web site • www.tjernlund.com
HS3 MOTOR SPECIFICATIONS
HS3 FAN CURVE WITH DAMPER OPEN
HS3 POWER VENTER SPECIFICATIONS
UC1 UNIVERSAL CONTROL
Maximum Power Consumption 1/2 Amp @
120 VAC 50/60 Hz + Venter motor load
Pre-Purge: Options (0,15,30,60 seconds)
Post-Purge: Factory set at 2 minutes
Options (0,30 seconds; 1,2,4,8,16 minutes)
Dimensions: 5” x 8” (2’ electrical whip inc.)
FAN PROVING SWITCH
5 VDC UC1 board supplied power switched
through Fan Prover. UC1 burner / gas valve
interlock rated for 1 H.P. @ 120 VAC.
DESCRIPTION OF APPLICATION
Used as a means of Side Wall Venting commercial gas
appliances. Used also to co-vent multiple heaters within
combined BTU/hr. input listed below (requires accessory
controls). Includes a Fan Proving Switch and the UC1
Universal Control for 24V, 115V or “dry contact” actuation.
LED diagnostics and Pre / Post-purge options are standard
with the UC1.
HS-3 (Discontinued 7/02)
Replace with model HS3.
Note: Tjernlund Products, Inc. reserves the right to make
changes to specifications without notification.
HS3
REV B 10/02
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HS-4 MOTOR SPECIFICATIONS
COMPONENT DESCRIPTION
MECHANICAL DATA
ELECTRICAL DATA
HS-4 POWER VENTER SPECIFICATIONS
DESCRIPTION OF APPLICATION
TJERNLUND PRODUCTS, INC.
TJERNLUND PRODUCTS, INC.
1601 Ninth Street • White Bear Lake, MN 55110-6794
PHONE (800) 255-4208 • (651) 426-2993 • FAX (651) 426-9547
Visit our web site • www.tjernlund.com
HS4 MOTOR SPECIFICATIONS
HS4 FAN CURVE WITH DAMPER OPEN
HS4 POWER VENTER SPECIFICATIONS
UC1 UNIVERSAL CONTROL
Maximum Power Consumption 1/2 Amp @ 120 VAC
50/60 Hz + Venter motor load
Pre-Purge: Options (0,15,30,60 seconds)
Post-Purge: Factory set at 2 minutes
Options (0,30 seconds; 1,2,4,8,16 minutes)
Dimensions: 5” x 8” (2’ electrical whip inc.)
FAN PROVING SWITCH
5 VDC UC1 board supplied power switched through
Fan Prover. UC1 burner / gas valve interlock rated
for 1 H.P. @ 120 VAC.
DESCRIPTION OF APPLICATION
Used as a means of Side Wall Venting commercial gas appliances. Used also to co-vent multiple heaters within combined
BTU/hr. input listed below (requires accessory controls).
Includes a Fan Proving Switch and the UC1 Universal Control
for 24V, 115V or “dry contact” actuation. LED diagnostics and
Pre / Post-purge options are standard with the UC1.
HS-4 (Discontinued 7/02)
Replace with model HS4.
Note: Tjernlund Products, Inc. reserves the right to make
changes to specifications without notification.
HS4