READ REVERSE SIDE FIRST! | – TOP – | READ REVERSE SIDE FIRST! |
READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION TEMPLATE BEFORE STARTING INSTALLATION
FURNISHED ITEMS
24 VAC Transformer
Digital Humidifier Control (Model 500 only)
Manual Humidifier Control (Model 500M only)
Humidifier Control Installation Instructions
Saddle valve
Humidifier Installation Template
ITEMS NOT FURNISHED
Mounting screws (sheet metal screws)
Water supply line (1⁄4” copper)
Drain line (1⁄2” I.D. hose)
Low voltage wire
Bypass ductwork
Model 50 Current Sensing Relay (if required)
Figure 1 |
Figure 2 |
Figure 3
1.Press top & bottom tabs to remove cover (1). Pull feed tube (3) out of distributiontray (4). Remove WaterPanel® 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. Tracetemplate outline. Cut
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.
Insert feed tube into distribution tray. See Figure 2. Rotate nameplate (11) if necessary,so it is right side up. Place point bypass damper handle (8) to “WINTER” (open) for heating season and “SUMMER” for cooling season.
7.Control installation and wiring.
Disconnect electrical power to furnace before wiring control. In order for humidifier to operate, furnace must be on and RH must be below
MANUAL HUMIDIFIER CONTROL, MODEL 500M:
Manual Control can be mounted in return duct or on wall in living space. Knob and cover must be removed to mount control. See wiring diagram for 24V control connections.
• For return duct mounting, position |
template at least 6” upstream of bypass |
duct connection or humidifier.Avoid |
injury from sharp edges when cutting |
opening. Make sure foam gasket is in |
place and secure control to duct using |
2 screws in openings provided. |
• For |
not be affected by drafts or heat |
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. |
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 |
|
| PARTS LIST | |
1. | Front Cover | 12 | |
2. | Base | ||
3. | Feed Tube |
| |
4. | Water Distribution Tray | 10 | |
5. | Water Panel Evaporator | ||
4 | |||
6. | Scale Control Insert | ||
2 | |||
7. | Integral Damper | ||
8. Damper Handle | 5 | ||
9. | Drain Spud | 3 | |
10. | Hole Plug | ||
11. | Nameplate |
| |
12. | Solenoid Valve |
| |
| 7 | 1 | |
|
| ||
sources. Remove and discard foam |
gasket and secure control to wall over |
wire access opening using screws & |
anchors provided. |
DIGITALHUMIDIFIER CONTROL, MODEL 500:
•Select location for control on return duct at least 6” upstream of bypass duct connection or humidifier. Drill 3/4” hole for sensor. Knob and cover must be 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 control to duct using 2 screws in openings provided.
•Controlmust be poweredby a continuous 24 V source. See wiring diagrams on templateand controlinstructionsfor 24 V control connections.
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.
8 9
6
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.
TEMPLATE MUST BE LEVEL | 11 | 10008270 B2204688A 10.08 |