Tjernlund P Series User Manual

Do not connect power supply until the fan is completely installed. Disconnect power to fan prior to service or maintenance.

1. This unit has rotating parts. Safety precautions should be exercised during installation, operation and maintenance.

2. Do not

use these fans in hazardous environments where the fan’s electrical system could provide ignition to combustible or

flammable materials.

3. Turn centrifugal impeller by hand to make sure it rotates freely. If the impeller does not rotate freely contact Tjernlund’s customer
service department at 800-255-4208.

4. Ducted fans used for exhaust applications must always be vented to the outdoors.

5. CAUTION: “For General Ventilation Use Only. Do Not

Use To Exhaust Hazardous Or Explosive Materials And Vapors.”

6. Rated for air stream temperatures from 32°F (0°C) to 140°F (60°C).

IMPORTANT: All wiring must be in accordance with the National Electrical Code. Verify supply voltage and power consumption of fan
are suitable for circuit fan will be added to.

GUARDS OR DUCTING ON INLET/OUTLET OF FAN MUST BE INSTALLED WHEN THE FAN IS WITHIN REACH OF PERSONNEL
OR WITHIN SEVEN (7) FEET OF WORKING LEVEL OR WHEN DEEMED ADVISABLE FOR SAFETY.

TJERNLUND PRODUCTS, INC.

1601 Ninth Street • White Bear Lake, MN 55110-6794
PHONE [phone] • [phone] • FAX [phone]
Visit our web site • www.tjernlund.com

READ OWNERS INSTRUCTIONS

CAREFULLY PRIOR TO

INSTALLATION. DO NOT DESTROY.

P-Series

Plastic High Pressure In-Line Duct Booster® Fans

©2014 TJERNLUND PRODUCTS, INC. ALL RIGHTS RESERVED. P/N: 8504158 REV A

Models

P-4
P-6
P-8

TJERNLUND LIMITED 1 YEAR WARRANTY

Tjernlund Products, Inc. warrants to the original purchaser of this product that the product will be free from defects due to faulty material or workmanship for a
period of (1) year from the date of original purchase or delivery to the original purchaser, whichever is earlier. Remedies under this warranty are limited to
repairing or replacing, at our option, any product which shall, within the above stated warranty period, be returned to Tjernlund Products, Inc. at the address
listed below, postage prepaid. THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF, AND TJERNLUND
PRODUCTS, INC. EXPRESSLY DISCLAIMS LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THIS PROD­UCT. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND NO AGENT IS AUTHORIZED TO ASSUME FOR US ANY LIABILITY
ADDITIONAL TO THOSE SET FORTH IN THIS LIMITED WARRANTY. IMPLIED WARRANTIES ARE LIMITED TO THE STATED DURATION OF THIS LIM­ITED WARRANTY. Some states do not allow limitation on how long an implied warranty lasts, so that limitation may not apply to you. In addition, some states
do not allow the exclusion or limitation of incidental or consequential damages, so that above limitation or exclusion may not apply to you. This warranty gives
you specific legal rights and you may also have other rights which may vary from state to state. Send all inquiries regarding warranty work to Tjernlund
Products, Inc. 1601 9th Street, White Bear Lake, MN 55110-6794. Phone [phone] • [phone] • Fax [phone] • Email [e-mail].

SPECIFICATIONS

Model

Inlet / Outlet

Diam.

Volts Watts Amps Free Air CFM (0” w.c.)

P-4 4” 120 80 0.70 190

P-6 6” 120 131 1.15 400

P-8 8” 120 175 1.75 675

Motors have Class B Thermal protection.

WARNING

!

INSTALLATION INSTRUCTIONS

NOTE: Electrical cord is 4.5 feet.

1. Cut and adhere foam gasket on inlet and outlet collars of fan, (See Diagram A).

2. Make sure fan is mounted with air flow direction arrow pointing in the right direction. The air flow exits opposite motor side, (See Diagram B).

3. Fasten mounting bracket against a solid surface with proper orientation and air flow direction in mind, (See Diagram C).

WIRING DIAGRAM

Connection with Flex Duct

Use Nylon Ties and Over-Wrap

with Duct Tape

Use Sheet Metal Screws (1” Max) and

Over-Wrap with Duct Tape

Encircle with Perforated Plumber’s

Strap and Secure Tightly

Mounting with Perforated Strap

Connection with Rigid Duct

DIAGRAM B DIAGRAM C

DIAGRAM A

Rotation / Air
Flow Arrows

Motor

Air Flow

MODEL SCP SPEED CONTROL

The optional SCP Speed Control is a convenient and easy
way to vary the speed of the P-Series fans. The SCP is fac­tory calibrated for use with Tjernlund’s M & P series high
pressure fans. Plug fan into speed control and plug speed
control into 115 VAC outlet.

INTERNAL WIRING

If it is necessary to hard-wire fan, remove power cord and
follow diagram below. IMPORTANT: All wiring must be in
accordance with the National Electrical Code. Verify sup­ply voltage and power consumption of fan are suitable for
circuit fan is wired to.

(OPTIONAL PS1503 DUCT AIRSTAT SWITCH)

The Tjernlund PS1503 Duct Airstat is used to automatically activate Duct Booster®
fans by sensing positive pressure in a forced air heating and/or cooling system.The
single pole, single throw, snap-acting switch is activated by a diaphragm with a factory
installed sampling probe inserted directly into the duct or plenum.