Tjernlund HSJ, 1, 2 Series with UC1 Universal Control (Version X.02) 8504106 Rev 08/02 - Manual (Page 20)

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Verify that LED #2 (Green) is lit.
Yes, LED #2 (Green) is lit: Verify that "call jumper" is connected from J1 to J2 on UC1 circuit board. With call for heat established,
verify that wiring is correct by measuring voltage between terminals 1 & 2 and 2 & 4 of UC1 terminal strip. Voltage should be the
same in both cases, if not rewire per appropriate diagram. NOTE: If using the “Dry Contact” interlock method, make sure that the
RED voltage selection jumper is installed on the dry contact tabs.
No, LED #2 (Green) is not lit: Remove call for heat and reestablish a call for heat to reset control. Within 1 minute of call for heat,
carefully jump a wire between P1 & P2 on UC1 control. LED #2 (Green) should light.
No, LED #2 (Green) does not light: Replace UC1 circuit board, part number 950-8804.
Yes, LED #2 (Green) lights up: Remove supply power to UC1. Remove Jumper from P1 & P2. The fan proving switch is not closing
or wiring connections are incorrect/broken. Disrupt call for heat. Remove leads from Fan Prover and initiate a call for heat. With
Venter running, verify that Venter performance is sufficient to close Fan Prover contacts by checking for continuity across switch.
No, continuity is not present: Visually inspect system for blockages. Confirm that maximum Venter BTU/hr. input and vent pipe
lengths are not exceeded or elbows are not installed directly on Venter discharge. If okay, replace fan prover.
Yes, continuity present: Recheck wiring.
HOW TO OBTAIN SERVICE ASSISTANCE
1. If you have any questions about your Venter or if it requires adjustment or repair, we suggest that you contact your installer, con-
tractor or service agency.
2. If you require technical information contact Tjernlund Products, Inc. at 1-800-255-4208.
When contacting Tjernlund Products, Inc., please have the following information available:
1. Model of the Venter the UC1 is interlocked with as shown on the label attached to Venter.
2 Name and address of installer and any service agency who performed work on Venter.
3. Date of original installation and dates any service work was performed.
4. Details of the problem as you can best describe them.
LIMITED PARTS WARRANTY AND CLAIM PROCEDURE
Tjernlund Products, Inc. warrants the components of the Venter and UC1 for 1 year from date of installation. This warranty covers
defects in material and workmanship. This warranty does not cover normal maintenance, transportation or installation charges for
replacement parts or any other service calls or repairs. This warranty DOES NOT cover the complete Venter if it is operative, except
for the defective part.
1.) Follow troubleshooting guide to determine defective component. If unable to determine faulty component, contact your
Tjernlund distributor or Tjernlund Products Technical Customer Service Department at 1-800-255-4208 for troubleshooting assistance.
2.) After the faulty component is determined, return it to your Tjernlund distributor for replacement. Please include Venter date
code component was taken from. The date code is located on the Electrical Box coverplate. If the date code is older than 1
year, you will need to provide a copy of the original installation receipt to your distributor. Credit or replacement will only be
issued to a Tjernlund distributor after the defective part has been returned prepaid to Tjernlund.
WHAT IS NOT COVERED
Product installed contrary to our installation instructions
Product that has been altered, neglected or misused
Product that has been wired incorrectly
Product that has been damaged by a malfunctioning or mistuned burner
Any freight charges related to the return of the defective part
Any labor charges related to evaluating and replacing the defective part
REPLACEMENT PARTS
MODEL HSJ
DESCRIPTION
PART NUMBER
MOTOR KIT 950-1020
WHEEL KIT 950-1010
FAN PROVER KIT 950-1030
UC1 CIRCUIT BOARD 950-8804
MODEL HS2
DESCRIPTION
PART NUMBER
MOTOR KIT W/WHEEL 950-1021
WHEEL KIT 3/8” BORE 950-1012
FAN PROVER KIT
950-1031
UC1 CIRCUIT BOARD 950-8804
MODEL HS1
DESCRIPTION
PART NUMBER
MOTOR KIT 950-1020
WHEEL KIT 950-1011
FAN PROVER KIT 950-1030
UC1 CIRCUIT BOARD 950-8804
TJERNLUND ONE YEAR LIMITED 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 CONSE-
QUENTIAL DAMAGES ARISING FROM THE USE OF THIS PRODUCT. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND NO AGENT IS AUTHO-
RIZED 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 (651) 426-2993 • (800) 255-4208 • Fax (651) 426-9547 • Email: [email protected]