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MULTIPLE APPLIANCE CONTROL
For Interlocking one Power Venter, Draft Inducer
IN-FORCER
Cautions ..........................................................................................................................................................................1
Electrical Wiring
Electrical Specifications & Circuit Board Features .....................................................................................................1
Output Power Venter, Draft Inducer, IN-FORCER & Damper Wiring Diagrams ....................................................2, 3
Burner Input Wiring Diagrams ...............................................................................................................................4, 5
Alternative Wiring Diagrams ..................................................................................................................................5, 6
MAC-3 Wired With up to Five Gas Burners and One Power Venter, Draft Inducer or IN-FORCER................5
MAC-3 Wired With a Power Venter or Draft Inducer and a Commercial IN-FORCER ....................................6
MAC-3 Circuit Board Schematic ....................................................................................................................................6
Replacement Parts & Warranty.......................................................................................................................................7
The MAC-3 is used for wiring up to 3 heating appliances with a single Draft Inducer, Power Venter, IN-FORCER or 115V Damper. It
is suitable for both 24 VAC and 115 VAC control systems for gas and oil burners. Plug-in relays must be purchased separately
depending on control system voltage of appliance.
Use Tjernlund part # 950-1040 relay For 24 VAC control systems.
Use Tjernlund part # 950-0480 relay For 115 VAC control systems.
!
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 UNIT. 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, OR PERSONAL
INJURY OR PROPERTY DAMAGE.
Copyright © 1999, Tjernlund Products, Inc. All rights reserved.
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
MODEL
TM
or Damper with up to three burners
TABLE OF CONTENTS
OWNER INSTRUCTIONS, DO NOT DESTROY
PLEASE READ CAREFULLY AND KEEP ON JOB
SITE FOR FUTURE REFERENCE.
MAC-3
DESCRIPTION
REV. A 5/99
P/N 8504043
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Table of Contents
Related Manuals for TJERNLUND MAC-3 CONTROL (DISCONTINUED) 8504043 REV A 0599
Summary of Contents for TJERNLUND MAC-3 CONTROL (DISCONTINUED) 8504043 REV A 0599
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Page 1: Table Of Contents
24 VAC and 115 VAC control systems for gas and oil burners. Plug-in relays must be purchased separately depending on control system voltage of appliance. Use Tjernlund part # 950-1040 relay For 24 VAC control systems. Use Tjernlund part # 950-0480 relay For 115 VAC control systems. -
Page 2: Cautions
IN-FORCER or damper starts. The proving switch makes and the intercepted “hot” leg is returned to the burner circuit, allowing the burner to fire. Plug-in relays must be purchased separately depending on control system voltage of appliance. Use Tjernlund part # 950-1040 relay For 24 VAC control systems Use Tjernlund part # 950-0480 relay For 115 VAC control systems... -
Page 3: Output Power Venter, Draft Inducer, In-Forcer & Damper Wiring Diagrams
OUTPUT POWER VENTER, DRAFT INDUCER, IN-FORCER & DAMPER WIRING WITH THE MAC-3 When wiring the MAC-3 with a Tjernlund Power Venter without a post-purge Timer/Relay only the Fan Proving Switch and motor leads are utilized for wiring. If you are wiring with a post purge Timer/Relay see wiring on bottom of page 2. Our HSUL Series, GPAK-J/1 Series and Commercial HS-3,4,5 Series utilize our part # 950-1040 relays which can be plugged into the MAC-3 for 24V control systems. - Page 4 MAC-3 WIRED WITH A TJERNLUND MODEL SS1 OR SS2 SIDESHOT® VENT SYSTEM MAC-3 WIRED WITH A POWER VENTER, DRAFT INDUCER OR IN-FORCER WITH A MOTOR GREATER THAN 9 AMPS TJERNLUND MODELS INCLUDE THE XL DRAFT INDUCER, HS-5 POWER VENTER & PAI-7 IN-FORCER...
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Page 5: Burner Input Wiring Diagrams
The diagrams included with these instructions depict two burners interlocked with the MAC-3 . To wire a third burner to the MAC-3, purchase the proper control voltage plug-in relay and wire according to the diagram suited for that application. Use Tjernlund part # 950-1040 relay For 24 VAC control systems Use Tjernlund part # 950-0480 relay For 115 VAC control systems... -
Page 6: Alternative Wiring Diagrams
MAC-3 WIRED WITH UP TO THREE OIL BURNERS WITH R8184G CONTROLS - BURNER MOTOR LESS THAN 7 AMPS MAC-3 WIRED WITH UP TO FIVE 24V GAS BURNERS AND ONE POWER VENTER, DRAFT INDUCER OR IN-FORCER... -
Page 7: Mac-3 Wired With A Power Venter Or Draft Inducer And A Commercial In-Forcer
MAC-3 WIRED WITH A POWER VENTER OR DRAFT INDUCER AND A COMMERCIAL IN-FORCER MAC-3 CIRCUIT BOARD WIRING SCHEMATIC... -
Page 8: Replacement Parts & Warranty
TJERNLUND LIMITED ONE 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 workman- ship for a period of (1) year from the date of original purchase or delivery to the original purchaser, whichever is earlier. Remedies under this war- ranty 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.
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