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Copyright © 2011, Tjernlund Products, Inc.  All rights reserved

P/N 8504162

OWNER INSTRUCTIONS, DO NOT DESTROY

Recognize this symbol as an indication of important Safety Information!

THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED, LICENSED
SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT AND
OPERATION OF THIS PRODUCT.  READ THESE INSTRUCTIONS THOROUGHLY
BEFORE ATTEMPTING INSTALLATION OR OPERATION.  FAILURE TO FOLLOW
THESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION,  ADJUST-
MENT, SERVICE OR MAINTENANCE POSSIBLY RESULTING IN FIRE, ELECTRI-
CAL SHOCK, CARBON MONOXIDE POISONING, EXPLOSION, PERSONAL
INJURY OR PROPERTY DAMAGE.

!

DO NOT DESTROY.  PLEASE READ CAREFULLY AND

KEEP IN A  SAFE PLACE FOR FUTURE REFERENCE.

MODEL UCRT (UC1 with speed control)

INSTALLATION INSTRUCTIONS

REV. A 5/11

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

UC1 VERSION 

X.06

THE UCRT CONTROL IS ONLY SUITABLE FOR USE WITH 

TJERNLUND RT SERIES ROOFTOP DRAFT INDUCERS

Summary of Contents for UCRT

Page 1: ...ESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION ADJUST MENT SERVICE OR MAINTENANCE POSSIBLY RESULTING IN FIRE ELECTRI CAL SHOCK CARBON MONOXIDE POISONING EXPLOSION PERSONAL INJURY OR PROPERTY DAM...

Page 2: ...ight carrier and your distributor immediately and file a concealed damage claim INSTALLATION RESTRICTIONS 1 The Pre Cycle Prover Status Check is deactivated from the factory on the UCRT Natural chimne...

Page 3: ...ED POWER LED DRY 24 V 115 V APPLIANCE INTERLOCK RELAY INDUCER MOTOR RELAY A B 1 2 3 4 L N J1 J2 XL XN P1 P2 C GND F 1 9 N M MTR J1 J2 CALL JUMPER Used when the call signal is used as the proven return...

Page 4: ...be cleared NOTE The UC1 board must have its 115 VAC power supply present when any of the 1 8 dip switches are moved back to their original position for the fault code to clear PRE POST PURGE AND PROVE...

Page 5: ...VOLTAGE SOURCE IS PROVIDED TO TERMINAL 3 120 VAC 10 50 60 Hz MOTOR 1 H P MAX 120 VAC 50 60 Hz USER PROVIDED 24 VAC AT TERMINALS 1 2 1 CALL HOT 2 COMMON CONTROL REQUIRES 5 mA 24 VAC TO TRIGGER MOVE RE...

Page 6: ...ed in these instructions call Tjernlund s Customer Service Department toll free at 1 800 255 4208 for assistance IMPORTANT If the call for heat interlock signal or 115 VAC power is removed the UC1 boa...

Page 7: ...heaters To interlock a millivolt water heater and a 24 115 VAC furnace or boiler add the WHKE and MAC1E MILLIVOLT HEATER INSTALLATIONS Each millivolt appliance interlocked with the UC1 must have its o...

Page 8: ...arity sensitive NOTE If burner safety control goes out on lockout the Inducer will continue to run as long as a call for heat is present UC1 UNIVERSAL CONTROL CONNECTED WITH A 24 VAC ELECTRONIC IGNITI...

Page 9: ...und wires in UCRT to supply ground Important Installer must supply overload and disconnect protection 5 If not previously completed connect Black White and Red leads from UCRT to like colors in Roofto...

Page 10: ...ol goes out on lockout the Inducer will continue to run as long as a call for heat is present UC1 UNIVERSAL CONTROL CONNECTED TO A HONEYWELL R7184 SERIES OR EQUIVALENT PRIMARY CONTROL WITH A LINE VOLT...

Page 11: ...lue and Yellow leads from UCRT to PSA 1 Fan Prover switch Prover Leads are not polarity sensitive NOTE If burner safety control goes out on lockout the Inducer will continue to run as long as a call f...

Page 12: ...to the ground screw in the Rooftop Inducer whip 4x4 weatherproof box Connect Blue and Yellow leads from UCRT to PSA 1 Fan Prover switch Prover Leads are not polarity sensitive UC1 UNIVERSAL CONTROL C...

Page 13: ...that a slight positive draft neutral to 0 01 W C or 2 5 Pa is measured at the appliance draft sampling location Flue gases should just start to spill from the draft hood draft diverter or barometric d...

Page 14: ...original position the fault code will be cleared NOTE The UC1 board must have its 115 VAC power supply present when any of the 1 8 dip switches are moved back to their original position for the fault...

Page 15: ...4 Red will be reset if the call for heat interlock signal or 115 VAC power is removed If the fan prover makes on start up but breaks for more than 10 seconds during the burner cycle LED 4 will flash...

Page 16: ...ined return it to your Tjernlund distributor for replacement Please include UCRT date code component was taken from The date code is located on the Electrical Box coverplate If the date code is older...

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