TJERNLUND MPCI Installation Instructions Manual Download Page 1

Copyright © 2018, Tjernlund Products, Inc.  All rights reserved

P/N 8504243

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.

!

WARNING

!

DO NOT DESTROY.  PLEASE READ CAREFULLY AND

KEEP IN A  SAFE PLACE FOR FUTURE REFERENCE.

MODEL MPCI

MODULATING PRESSURE CONTROL INTERLOCK

INSTALLATION INSTRUCTIONS

REV 0618

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

Summary of Contents for MPCI

Page 1: ...TALLATION 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 POISONIN...

Page 2: ...in the space or duct GENERAL INFORMATION Each MPCI Controller is electrically factory line tested before shipment After opening carton inspect thoroughly for hidden dam age If any damage is found noti...

Page 3: ...NG TUBING TO MPCI AND PSA 1 FAN PROVER BAROMETRIC DRAFT CONTROL IF PRESENT HEATER FURTHEST FROM THE INDUCER IF POSSIBLE THE SENSING TUBE SHOULD BE LOCATED TWICE THE MANIFOLD DIAMETER BEHIND THE HEATER...

Page 4: ...oned between the blower inlet and intake opening FOR OPEN MAKE UP AIR APPLICATIONS In Open mode the mechanical room air is sampled and an adjacent space is referenced Referencing an adjacent space wit...

Page 5: ...ol set point is outside of the PSA 1 operating range 1 Mount the PSA 1 Pressure Switch within 6 feet of the sensing tube location The switch must be mounted in a vertical position so that the sampling...

Page 6: ...ATION An intercepted call for heat is sensed at terminals A B or 1 2 of the integral UC1 Interlock Control or MAC Series interlock expansion modules The Amber LED of the UC1 will turn on 1 This closes...

Page 7: ...6...

Page 8: ...e the UC1 will continue to operate in post purge mode to allow the fan to purge the heater and vent of residual flue gases A factory post purge time is set at 2 minutes and is adjustable up to 16 minu...

Page 9: ...mper in proper location based on appliance call interlock voltage SEE WARNING 2 IMPORTANT LED 1 AMBER LED 2 BLUE LED 3 GREEN LED 4 RED LED 5 RED LED 6 RED POWER LED DRY 24 V 115 V APPLIANCE INTERLOCK...

Page 10: ...ayed Any new fault will replace any previous fault 9 ON PRE PURGE SETTINGS SEE PRE PURGE ON PAGE 3 PRIOR TO SETTING 0 Seconds 15 Seconds 30 Seconds 60 Seconds 1 2 1 2 1 2 1 2 0 Seconds 5 Seconds 20 Se...

Page 11: ...controls The steps listed under each diagram are intended as a supplement to the diagram Wiring colors or designations may vary by manufacturer If you are unable to wire the UC1 as outlined in these i...

Page 12: ...ng the MPCI external RED light with audible alarm as well as any external alarm or BMS that are wired to the alarm circuit Reconnect the pneumatic tubing to the sampling tube The safety circuit will r...

Page 13: ...y draft levels remain within the manufacturer s specified range prior to ignition and during operation CHANGING MPCI PRESSURE CONTROL PROGRAM DEFAULTS THE FACTORY PRESET PROGRAM SETTINGS ARE AS FOLLOW...

Page 14: ...13...

Page 15: ...d any service agency who performed work on the system Date of original installation and dates any service work was performed Details of the problem as you can best describe them Tjernlund Products Inc...

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