3
13.
Connect
copper tubing
from the saddle
valve to the solenoid valve.
Do not use
plastic tubing.
Check for leaks.
The saddle valve must
be fully opened or
closed. Do not use the
valve to regulate water
flow.
14.
Attach a 1/2 in. (1.27 cm) vinyl hose and
clamp to carry the flushing water from the
unit to the drain. Be sure the drain hose has
a constant pitch to the floor drain.
To avoid
damage to the drain fitting, do not use
solvent type adhesives when connecting
the plastic hose to the humidifier.
14
13
15.
Test operation.
Check for water leaks.
Be sure the humidistat
is operating properly.
Installation is now
complete.
10b.
Wiring Diagram B: Multi-
Speed Blower.
For wiring the humidifier
with a multi-speed blower, use an
A50
Current Sensing Relay
with an existing or
independently wired, field-installed 120 VAC
outlet. Plug the humidifier into the outlet.
See
page 5.
12.
Tap into the water
supply line using the
saddle valve provided.
Follow the directions
on the saddle vavle
bag.
WARNINGS:
• SHUT OFF POWER BEFORE WIRING
HUMIDIFIER.
•
DO NOT
wire the Model 2002 humidifier to
a circuit board UNLESS the board connec
-
tions are 120 VAC. If, and only if, they are
120 VAC, install a receptacle and wire it to
the board connections. Plug the humidifier
into the receptacle.
•
DO NOT
, under any circumstances, wire
the yellow solenoid wires to the circuit
board or any other power source!
10. To wire Model 2002 and the Humidi-
stat ...
select the diagram (page 4 or 5) and
instruction (following) that matches your
particular application.
10a.
Wiring Diagram A: Single-Speed
Blower.
For wiring the humidifier with a 120
VAC single speed blower, locate the blower
motor junction box. Wire in a receptacle
for the 120 VAC humidifier plug. This will
coordinate the humidifier and furnace system
operations.
See page 4.
Wiring Diagrams
