User manual TJERNLUND MAC-3 CONTROL (DISCONTINUED) 8504043 REV A 0599

[. . . ] Plug-in relays must be purchased separately depending on control system voltage of appliance. Use Tjernlund part # 950-0480 relay For 115 VAC control systems. 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 UNIT. [. . . ] Limit switch in series with optional limit on terminal strip Optional Alarm Sequencer proves Fan Prover Operation (not limit operation) Appliance # 3 Interlock Used in conjunction with Optional Alarm Sequencer Optional Limit (Spill Switch) 115 VAC Proven "HOT" From Fan Prover Appliance # 2 Interlock 115 VAC Neutral To Inducer / Venter / IN-FORCER 115 VAC "HOT" To Inducer / Venter / IN-FORCER motor & Fan Prover Auxiliary Operation Switch (i. e. Manual or Gas Pressure) Appliance # 1 Interlock 115 VAC Input From Disconnect Switch Aux. Prover contacts in series with H & PH contacts on output terminals Aux. Motor in parallel with H & N used for additional Power Venter, Inducer, IN-FORCER 1 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. The HSUL-Series, GPAK-J/1 Series and model HS-5 include one part # 950-1040 relay. MAC-3 WIRED WITH A TJERNLUND POWER VENTER, DRAFT INDUCER, IN-FORCER OR 115V DAMPER WITHOUT A POST-PURGE (VENTER MOTOR LESS THAN 9 AMPS) MAC-3 WIRED WITH A TJERNLUND HST, GPAK-T SERIES POWER VENTER OR DRAFT INDUCER WITH A 950-1067 POST-PURGE TIMER/RELAY (VENTER MOTOR LESS THAN 4. 4 AMPS) NOTE: The WHITE/BROWN wire from terminal 5 of the Timer/Relay is ORANGE in the GPAK-T Series. The ORANGE wire from terminal 4 of the Timer/Relay is BLUE in the GPAK-T Series. 2 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 3 BURNER INPUT WIRING WITH THE MAC-3 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 MAC-3 WIRED WITH UP TO THREE 24V GAS APPLIANCES MAC-3 WIRED WITH UP TO THREE 115 VOLT GAS APPLIANCES 4 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 5 MAC-3 WIRED WITH A POWER VENTER OR DRAFT INDUCER AND A COMMERCIAL IN-FORCER MAC-3 CIRCUIT BOARD WIRING SCHEMATIC 6 LIMITED PARTS WARRANTY AND CLAIM PROCEDURE Tjernlund Products, Inc. warrants the components of its products for one year from date of installation. This warranty does not cover normal maintenance, transportation or installation charges for replacement parts or any other service calls or repairs. Products that are tampered with, damaged, or defective due to malfunctioning appliances are not covered under this warranty. This warranty DOES NOT cover the complete MAC-3 if it is operative, except for the defective part. will issue credit or provide a free part to replace one that becomes defective during the one year warranty period. If the part is over 18 months old, proof of date of the installation in the form of the contractor sales/installation receipt is necessary to prove the unit has been in service for under one year. All receipts should include the date code of the MAC-3 to ensure that the defective component corresponds with the complete unit. [. . . ] Some states do not allow limitation on how long an implied warranty lasts, so that limitation may 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. [. . . ]