Model GF-1137L Installation & Owners Manual 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. 400 Midwest Rd.
Model 1137 Humidifier Installation Manual 1137 Table of Contents Subject Page # Specifications 3 Unit Location 3 Additional Materials That May Be Necessary 3 Installation 3 Installation Cont. 4 Saddle Valve / Solenoid Valve Installation 4 Installation Cont. 5 Installing / Wiring The Control 5-6 Installation Cont.
Model 1137 Humidifier Installation Manual Specifications • • • • • Model: GF-1137L Legacy Flow Through Humidifier Type: Fan Powered Flow Through GPD: 18 Based on 120° F Plenum Temperature Warranty: 5 Years 14” H Replacement Vapor Pad®: GF-990-13 (Replace 1-2 times per season) Dimensions: 14” H x 16” W x 11” D Weight: 19 Lbs. Home Size: To 3,000 Sq. Ft.
Model 1137 Humidifier Installation Manual Installation Cont. Cabinet Screws 2. Cut out center section. Install one cabinet retaining clip in each of the two top holes to assist holding cabinet while installing six cabinet screws. Install drain pan, evaporator pad and distributor trough using thumb nuts provided. Thumb Nuts Distributor Trough & Cover Drain Pan Saddle Valve / Solenoid Valve Installation ! CAUTION: Turn off water supply.
Model 1137 Humidifier Installation Manual Installation Cont. Distributor Trough Cover 4. Assemble distributor tube so that it is directed into the center opening of the distributor trough cover. Distributor Tube (Metal) 5. Connect 1/4" water supply tube to brass filter at inlet of solenoid. Do not use plastic tubing in contact with any ! CAUTION: hot plenum surface or duct. If using plastic tubing, use tube support provided.
Model 1137 Humidifier Installation Manual Installing / Wiring Your Control Cont. 6. L1 L1 115v. (HOT) 115v. 60CY. (HOT) 60CY. 6A ACC EAC 115v. 60CY. ON-OFF SWITCH HUMIDIFIER 120v. OUTLET C L2 (HOT) GRD C 6 B 6B 6B HUMIDIFIER 120v. OUTLET 12500 AIR BLOWER MOTOR FURNACE CONTROL BOARD ON-OFF HUM 24V. SWITCH C 60CY. FIELD SUPPLIED RELAY 24V COIL, N.O. HUMIDISTAT NC NO L1 HUMIDIFIER 120v. OUTLET HUMIDIFIER GRD 120v.
Model 1137 Humidifier Installation Manual Installation Cont. 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, sewer or laundry sink. Be sure hose has continuous slope and is not kinked at any point. 8 Turn on water supply and plug in power cord to check operation of humidifier. Set humidistat to a demand setting. With the furnace off, the solenoid valve should be closed and the humidifier fan not running.
Model 1137 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 water supply and electrical power to humidifier. 2. Remove water distributor tube, distributor trough, used Vapor Pad® and drain pan. The Vapor Pad® may be removed from either the top or bottom of the humidifier.
Model 1137 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" to reach the humidification levels desired. • Check the Vapor Pad®. If it is clogged, the pad will reduce the humidifier efficiency. Replace if necessary. 2.
Model 1137 Humidifier Installation Manual FAQ’s 1. How does a humidifier help with my allergies? Dry air can lead to a host of problems for allergy and asthma sufferers. Dry climates, winter air, and artificial heat all contribute to the discomfort by drying out your skin, throat and delicate sinus passages and airways (which can contribute to sinusitis).