Parts List - Aprilaire 360 Owner's Manual

READ REVERSE SIDE FIRST!
READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION TEMPLATE BEFORE STARTING
FURNISHED ITEMS
Built-in bypass damper
24 VAC Transformer
Manual Humidifier Control (Model 500M only)
Automatic Digital Humidifier Control
(Model 500A only)
Humidifier Control Installation Instructions
Saddle valve
Humidifier Installation Template
ITEMS NOT FURNISHED
Mounting screws (sheet metal screws)
1
Water supply line ( ⁄ " copper)
4
1
Drain line ( ⁄ " I.D. hose)
2
Low voltage wire
Bypass ductwork
Model 50 Current Sensing Relay (if required)
1.
Press top & bottom tabs to remove
cover (1). Pull feed tube (3) out of
distribution tray (4). Remove Water Panel
Evaporator assembly. See Figure 1.
2.
Humidifier is supplied with bypass
duct connection on left. For right side
bypass, swap location of drain spud (9)
and cap (10). Twist to remove spud
and cap.
3.
Position template on supply or return
plenum. Make sure template is level.
Allow clearance for drain line and for
servicing. Trace template outline. Cut
9-1/2" x 9-1/2" opening. Avoid injury
from sharp edges.
1. Front Cover
2. Base
3. Feed Tube
4. Water Distribution Tray
10
5. Water Panel Evaporator
6. Scale Control Insert
2
7. Integral Damper
8. Damper Handle
9. Drain Spud
10. Hole Plug
11. Nameplate
12. Solenoid Valve
7
90-1250
8
TEMPLATE MUST BE LEVEL
4.
Place humidifier base (2) in
opening and secure with 6
screws in openings provided.
®
5.
Select location for 6" collar
on opposite plenum to minimize
length and number of elbows in
bypass duct. Install 6" bypass
duct components. Attach duct to
humidifier collar using 2 screws
in openings provided.
6.
Insert Water Panel Evaporator
assembly into base. Make sure
bottom of scale control insert (6)
is in drain spud. Snap top of
evaporator assembly into base.

PARTS LIST

12
9
6
– TOP –
Figure 1 Figure 2
90-1067
Insert feed tube into distribution MANUAL HUMIDIFIER CONTROL,
tray. See Figure 2. Rotate MODEL 500M:
nameplate (11) if necessary, so it
Manual Control can be mounted in return
is right side up. Place point bypass
duct or on wall in living space. Knob and
damper handle (8) to "WINTER"
cover must be removed to mount control.
(open) for heating season and
See wiring diagram for 24V control
"SUMMER" for cooling season.
connections.
7.
Control installation and wiring.
• For return duct mounting, position
Disconnect electrical power to
template at least 6" upstream of bypass
furnace before wiring control.
duct connection or humidifier. Avoid
In order for humidifier to operate,
injury from sharp edges when cutting
furnace must be on and RH must
opening. Make sure foam gasket is in
be below set-point of control.
place and secure control to duct using
Wiring diagrams illustrate
2 screws in openings provided.
recommended method of
detecting furnace operation.
• For wall-mount, select location that will
not be affected by drafts or heat
sources. Remove and discard foam
gasket and secure control to wall over
wire access opening using screws &
anchors provided.
AUTOMATIC DIGITAL HUMIDIFIER
CONTROL, MODEL 500A:
• Select location for control on return duct
4
at least 6" upstream of bypass duct
connection or humidifier. Position
5 template on duct and mark location of
RH sensor opening. Drill 3/4" hole for
sensor. Knob and cover must be
3
removed to mount control. Place control
on duct with RH sensor extending into
duct opening. Make sure gasket is in
place around sensor cage. Secure
1
humidistat to duct using 2 screws in
openings provided.
• Control must be powered by a
continuous 24 V source. See wiring
11
READ REVERSE SIDE FIRST!
Figure 3
90-1068
IMPORTANT!
Be sure owner's manual containing instructions for
operation and warranty information is given to owner in order to avoid
unnecessary calls. Warranty is void unless humidifier is installed by qualified
heating and air conditioning contractor due to possible misapplication of product.
90-1069
diagrams on template and control
instructions for 24 V control connections.
8.
Humidifier will function with cold, hot,
softened or unsoftened water. Hot water
(140°F max) will provide maximum
evaporative capacity. Saddle valve
provided may be used to tap into water
supply. See installation instructions on
saddle valve package. Saddle valve is
designed to be fully opened or closed.
Do not use to regulate flow.
9.
Run 1/4" copper tubing from saddle
valve to solenoid valve. DOUBLE-WRENCH
TO PREVENT LEAKING. See Figure 3.
10.
Run 1/2" I.D. hose from drain spud to
floor drain. Make sure drain has constant
downward slope and is not kinked. Do not
over-tighten hose clamp onto drain spud.
Do not use solvent adhesive on drain spud.
11.
Check humidifier operation. Open
saddle valve and turn control to highest
setting. Turn on furnace. Allow humidifier
to run until water flows from drain. Make
sure all electrical connections are secure
and all plumbing connections are water-
tight. Set control to proper setting.
NOTE: BEFORE LEAVING THE
JOB SITE, MAKE SURE:
1. Saddle valve is fully open.
2. All plumbing connections are
watertight.
3. Humidifier functions properly.
4. Bypass damper is in proper
position.
10007230 B2204270B 09.07