GeneralAire 1042LH Installation & Owner's Manual

GeneralAire 1042LH Installation & Owner's Manual

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Model 1042LH
Installation & Owners Manual
Please Read And Save These Instructions
• Installation by anyone other than a qualified contractor voids the warranty.
• Product designed for residential installation only. Commercial installation voids warranty.
• Modification or alteration of product, parts, installation instructions or local safety codes voids warranty.
General Filters, Inc.
43800 Grand River Avenue
Novi, Michigan 48375
Toll Free: (866) 476-5101
www.generalaire.com
• Read our full warranty policy at the end of this document.
Canadian General Filters, Ltd.
400 Midwest Rd.
Toronto, ON M1P3A9 Canada
Toll Free: (888) 216-9184
www.cgfproducts.com
Breathe Healthier
Humidifier
GFI #5144

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Do you have a question about the 1042LH and is the answer not in the manual?

Questions and answers

Jim Roth
February 10, 2025

In the installation manual for the Model 1042-L humidifier, there are 4 different wiring diagrams. How do you determine which one should be used?

1 comments:
Mr. Anderson
May 14, 2025

To determine which wiring diagram to use for the GeneralAire Model 1042-L humidifier, you first need to identify if your humidifier is standalone or built into the furnace system. Since the context mentions that the 1042 is a bypass or standalone unit, you focus on the standalone wiring options.

Next, you need to check how many wires are used to control the humidifier. If you have two wires coming out of the humidifier, you likely use a 2-wire configuration.

Therefore, you should select the standalone 2-wire wiring diagram from the installation manual.

This answer is automatically generated

Summary of Contents for GeneralAire 1042LH

  • Page 1 Model 1042LH Humidifier GFI #5144 Installation & Owners Manual Please Read And Save These Instructions • Installation by anyone other than a qualified contractor voids the warranty. • Product designed for residential installation only. Commercial installation voids warranty. • Modification or alteration of product, parts, installation instructions or local safety codes voids warranty. • Read our full warranty policy at the end of this document. Breathe Healthier General Filters, Inc. Canadian General Filters, Ltd. 43800 Grand River Avenue 400 Midwest Rd. Novi, Michigan 48375...
  • Page 2: Table Of Contents

    Model 1042LH Humidifier Installation Manual Model 1042LH Table of Contents Subject Page # Specifications Unit Location Additional Materials That May Be Necessary Installation Installing / Wiring The Control Installation Final Steps How the Humidifier Works Maintenance Parts Drawing Trouble Shooting FAQ’s...
  • Page 3: Specifications

    Model 1042LH Humidifier Installation Manual Specifications • Model: 1042LH Legacy Flow Through Humidifier (GFI #5144) • Type: Flow Through • GPD: 17 Based on 120° F / 49° C Plenum Temperature • Warranty (Years): 5 • Replacement Vapor Pad : 990-13 (GFI#7002) ®...
  • Page 4: Installation

    Model 1042LH Humidifier Installation Manual Installation 1. Select location on vertical surface of warm or return air plenum for mounting humidifier. For plenum sizes 9 1/2" to 15" use 1040AD adapter plate (CGF #GP1040AD) ALLOW 2 1/2 INCHES CLEARANCE ABOVE THIS SURFACE FOR SERVICING...
  • Page 5 Model 1042LH Humidifier Installation Manual Installation, Cont.  CAUTION: Turn off water supply.  CAUTION: Do not use plastic tubing on hot water or in contact with any hot plenum surface or duct. Installation of this saddle valve must meet or exceed local codes and ordinances.
  • Page 6: Installing / Wiring The Control

    Model 1042LH Humidifier Installation Manual Installing / Wiring The Control  WARNING: ALL WIRING SHOULD COMPLY WITH LOCAL ELECTRICAL CODES. Thin Gasket Thick Gasket DUCT MOUNT: Use DUCT MOUNT ONLY ONLY Outer Portion WALL MOUNT: Use Outer & Inner Portions...
  • Page 7: Installation Final Steps

    Model 1042LH Humidifier Installation Manual Installation Final Steps 7. Connect drain hose to 5/8" spout on humidifier cabinet using hose clamp provided. Run 5/8" hose to suitable drain such as floor drain, laundry sink or to a condensate pump (sold separately). Be sure hose has continuous slope and is not kinked at any point.
  • Page 8: Maintenance

    Model 1042LH Humidifier Installation Manual Maintenance Your humidifier is engineered to give helpful and trouble-free humidification. For maximum efficiency the following cleaning procedures should be carried out at the end of each heating season: 1. Turn off the water supply and electrical power to the humidifier.
  • Page 9: Troubleshooting

    Model 1042LH Humidifier Installation Manual Troubleshooting 1. My humidifier continues to run. Check for the following: • The valve might be stuck in the "open" position. • Check for wiring errors. • Is the unit sized properly for your home? If it is rated for a smaller-sized home than the home in which it is installed, it will work "overtime"...
  • Page 10: Faq's

    5. Dry air can cause harm to expensive musical instruments like pianos and violins. 6. Dry air causes gaps in window & door frames, letting cold outdoor air in; causing you to turn up the heat and increasing your heating bills! Controlled humidity from a GeneralAire Humidifier allows you the ®...
  • Page 11: Limited Warranty

    Limited Warranty What is Covered • Five Years: The 1042LH is warranted by General Filters, Inc. (“Company”) for a period of five (5) years from the date of the original installation, when installed in residential applications only (“Limited Warranty Period”).
  • Page 12 Model 1042LH Humidifier Installation Manual Limited Warranty, Cont. Limitations of Liability • General Filters, Inc. makes no express warranties other than the warranty specified above. • The implied warranties of merchantability and fitness for a particular purpose are limited to the duration listed.
  • Page 13 AIR CHAUD 5. Relais Ampèremétrique (G.F. modèle n° GA50 suggéré) FLUX VERS LE HAUT FLUX VERS LE BAS SOUS-SOL GENERALAire SÉRIES AC HAUT RENDEMENT FILTRE À AIR ALLOW 2 1/2 INCHES CLEARANCE ABOVE THIS SURFACE FOR SERVICING Top Of Template...
  • Page 14 INSTRUCTIONS D'INSTALLATION POUR LE ROBINET-VANNE À ÉTRIER Tuyau en cuivre 1. Rétracter la tige à perforation dans le corps de la vanne en tournant la poignée dans le sens horaire. 2. Visser le corps de la vanne dans le support supérieur et serrer. 3.
  • Page 15 FIG. 6D AVEC MOTEUR DE VENTILATEUR À DEUX VITESSES Sur les chaudières munies d’un ventilateur deux vitesses, l’humidificateur peut être branché sur une source d’alimentation continue 115 volts. Installer l’interrupteur Marche/Arrêt en série avec le transformateur primaire sur le fil chaud ou le fil noir.
  • Page 16 GENERAL FILTERS, INC. CANADIAN GENERAL FILTERS, LTD. NOVI, MICHIGAN 48375-1115 SCARBOROUGH, ONTARIO M1R3B7 WWW.GENERALAIRE.COM WWW.CGFPRODUCTS.COM SOINS ET ENTRETIEN Votre humidificateur est conçu pour fournir une humidification d'appoint sans problèmes. Pour bénéficier d'un fonctionnement maximum, suivre les étapes de nettoyage ci-dessous à la fin de chaque saison froide ! 1.

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