Model 4400A
Installation Manual
Please Read And Save These Instructions
USA Model
4400A (GFI #5961)
CAUTION!
!
This symbol and the word "CAUTION" indicates:
IMPORTANT INSTRUCTIONS!
Failure to heed
Inside The Box
• GA35 Vapor Pad
(GFI #7902)
®
• Solenoid Valve Assembly
• GFX4 Digital Automatic Humidistat (GFI #7170)
• Installation Hardware
• Push-to-Connect Valve for 1/2 copper or PEX
• 1/4" Diameter plastic supply tubing for cold water applications
• Electrical wire and wire nuts
• (6) #8 x 1/2" Long self-piercing sheet metal screws
!
CAUTION!
24V Transformer is Factory Installed. Do NOT Connect Any
Power Supply Source to the External Yellow & Red Wires.
WARNING:
Do not install where ambient temperatures fall below 32°F / 0° C or where plenum temperatures exceed 200° F / 93° C.
!
For maximum evaporative capacity, install this humidifier on the warm air supply plenum.
Form No. 4400-18 REV B
Canadian Model
GF-4400A
Patent Pending
!
!
CAUTION! or
WARNING! can result in serious injury or death.
Fan-Assist Evaporative Humidifier
Supply Plenum Installation Location:
4400A fan-assist evaporative humidifier must be installed on
the supply plenum (ONLY) of a forced air handling system.
Select a location for the humidifier that allows for service and
maintenance.
Return
Vertical
Installation
Drain Line
WARNING!
!
This symbol and the word "WARNING" indicates:
IMPORTANT INSTRUCTIONS!
• WARNING:
DISCONNECT ELECTRICAL POWER
!
BEFORE BEGINNING INSTALLATION.
!
IMPORTANT:
To ensure your safety and the
longevity of your unit, we recommend:
• Contacting a licensed contractor to perform
maintenance or repairs.
• Changing your Vapor Pad
heating season.
Automatic
The model
Supply
at the start of each
®
®
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