Model 4400A Humidifier Installation Manual
1
Cut a rectangular hole using the manufacturer-supplied
template.
HOT WATER
COPPER TUBING
Compression Nut
COLD WATER
PLASTIC TUBING
3
A. Utilizing copper tubing requires a brass compression
nut and brass sleeve.
B. Utilizing plastic tubing requires a brass insert inside
the tubing, a plastic sleeve on the outside with a brass
compression nut.
C. Follow the included T-Valve Instructions
Installing the T-Valve
1. Cut the pipe square removing rough edges and debris.
2. Mark the pipe to the correct insertion depth.
3. Push pipe and fitting together up to the depth mark.
4. You're finished.
2
INSTALLATION - SUPPLY (ONLY)
!
For serviceability, please allow
an obstruction-free zone of 4"
on the right side and bottom of
12.13
High
the humidifier.
Brass
Sleeve
Plastic
Sleeve
WARNING:
2
Install the humidifier chassis, making sure the drain spout is
pointing downward, as shown. Level the chassis and install
using the included six mounting screws.
P-190
Plastic Compression
Sleeve
4
Connect 1/4" water supply tube to brass inlet of solenoid.
Turn on water supply and check for leaks.
CAUTION: Do not use plastic tubing in contact with any hot
!
plenum surface or duct.
4200-21
Preassembled Distribution
Tube Assembly
The standard preassembled stainless steel tube and
orifice assembly (part number 4200-21;) will supply
approximately 3.5 GPH of water at a line water
pressure of 60 PSI.
4200-05
Solenoid Assy
P-101
Compression Nut
1/4" Water Supply Tube