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Model 1099LHS Humidifier Installation Manual

Additional Materials That May Be Necessary

1.  1/4" Diameter plastic supply tubing for cold water applications, or 1/4" copper supply tubing for hot water 

applications

2.  7" Diameter galvanized by-pass pipe
3.  Electrical wire and wire nuts
4.  Current sensing relay Model #GA50 (GFI #7026) suggested

Specifications

• 

Model:  

1099LHS Legacy Flow Through Humidifier (GFI #5015)

• 

Type:

 Flow Through

• 

GPD: 

 

19 Based on 120° F Plenum Temperature

• 

Warranty: 

 

5 Years

• 

Replacement Vapor Pad

®

:

  1099-20 (GFI#7047)  

(Replace 1-2 times per season)

• 

Dimensions:

  16” W x 16” H x 12-1/4” D

• 

Weight:

  15 Lbs.

• 

Home Size:

  To 3,000 Sq. Ft.

• 

Installation:

  Warm Air Plenum / Right or Left

• 

Plenum Opening:

  14-1/8” W X 12” H

• 

Bypass Duct

:  7” 

• 

Pallet Qty:

  16

• 

Cabinet Construction:

  UV-Stable Automotive Grade Plastic

• 

Humidistat:

  Models: MHX3C (Included)

• 

Voltage:

  24V

• 

In The Box: 

 Humidifier, humidistat, installation instructions, Vapor Pad®, parts kit, 

saddle valve, 7" connecting collar, 24V transformer

!

16” W

16” H

12-1/4” D

RETURN AIR

RETURN AIR

WARM AIR

WARM AIR

WARM AIR

DRAIN

DRAIN

RETURN AIR

WARM AIR

GENERALAire

  AC SERIES

HIGH EFFICIENCY AIR CLEANER

DRAIN

Low Boy

High Boy

Unit Location

• 

WARNING

:  Disconnect electrical power before beginning installation.  

•  Do not install where temperatures fall below 32° F or where plenum temperatures exceed 200° F.  For maximum 

evaporative capacity, install this humidifier on the warm air supply plenum. 

•  INSTALLATION:  For installation  on a vertical surface of the warm air plenum of any forced air furnace.

Counter Flow

Summary of Contents for 1099LHS

Page 1: ...y 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 doc...

Page 2: ...ring the Control 6 How the Humidifier Works 7 Maintenance 7 Parts Drawing 8 Humidifier Chassis Duct Cut Out 8 Trouble Shooting 9 FAQ s 10 Warranty Registration 11 Limited Warranty 11 12 1099LHS Table...

Page 3: ...Air Plenum Right or Left Plenum Opening 14 1 8 W X 12 H Bypass Duct 7 Pallet Qty 16 Cabinet Construction UV Stable Automotive Grade Plastic Humidistat Models MHX3C Included Voltage 24V In The Box Hum...

Page 4: ...e 7 circle 10 to 15 from side of humidifier on cabinet centerline using connecting collar as guide 2 Cut out center section of template and 7 hole Humidifier is self retaining Slide top side in first...

Page 5: ...8 Turn handle counterclockwise to open saddle valve leave open for several seconds to flush dirt from pipe and tubing Steel Brass or Hard Plastic Pipe 1 Shut off water supply and drain pipe 2 Turn ha...

Page 6: ...L ELECTRICAL CODES Thin Gasket Face FIG 1 WALL MOUNT Use Outer Inner Portions DUCT MOUNT Use ONLY Outer Portion Mounting Base Thick Gasket DUCT MOUNT ONLY 1 Locate the humidistat at least 24 upstream...

Page 7: ...set relative humidity too high during cold weather Excessive humidity may cause condensation on windows or in walls Refer to recommended settings as described in the humidistat owners manual How the H...

Page 8: ...AIL GA 19 EVAPORATOR PAD 900 15 DISTRIBUTOR TROUGH 900 13 COVER P102 COMPRESSION SLEEVE BRASS P190 COMPRESSION SLEEVE PLASTIC P101 COMPRESSION NUT 900 1 CHASSIS 900 9 NOZZLE 900 10 SPOUT GA4040 SOLENO...

Page 9: ...changed replaced your Vapor Pad at the proper intervals once per year to ensure the greatest production of moisture Check the setting of your humidistat to ensure it is set higher than current humidi...

Page 10: ...The coating is similar in composition to the minerals that accumulate on the pad If you subject the Vapor Pad to cleaning you usually remove much of the coating and the pad becomes ineffective This r...

Page 11: ...calls or in removing repairing servicing or replacing parts is not covered under this Limited Warranty What is Not Covered Cont Shipping charges are not covered by this Limited Warranty Agreements ma...

Page 12: ...anufacturer will in no event be liable for incidental or consequential damages This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state S...

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