READ REVERSE SIDE FIRST!
RE D COMPLETE S FETY INSTRUCTIONS
Figure 1
FURNISHED ITEMS
24 VAC Transformer
Digital Humidifier Control
(Model 700 only)
Manual Humidifier Control
(Model 700M only)
Humidifier Control
Installation Instructions
Saddle Valve
Humidifier Installation Template
ITEMS NOT FURNISHED
Mounting screws
(sheet metal screws)
Water supply line (
1
⁄
" copper)
4
1
Drain line (
⁄
" I.D. hose)
2
Low voltage wire
Model 50 Current Sensing Relay
(if required)
1.
Trace template outline. Cut 14-3/4"
Detach the cover assembly by
lifting the latch at the bottom.
wide x 14-5/16" high opening. Avoid
Remove the Water Panel
®
injury from sharp edges.
evaporator assembly by grasping
3.
Position base (2) in duct opening
at top and tipping out. See Figure 1.
top-first so hooks engage sheet metal
2.
Position template on supply
at top. See Figure 2. Insert bottom of
plenum. Make sure template is
base and slide down to engage hooks
level. Allow clearance for drain line
at bottom.
and for servicing. See "Installation
4.
Rotate swing locks to secure base
Options" on opposite side for
to duct. See Figure 3. Fasten base to
position relative to cooling coil.
duct using 4 sheet metal screws in
holes provided.
15
2
5
14
TEMPL TE MUST BE LEVEL
ND INST LL TION TEMPL TE BEFORE ST RTING INST LL TION
90-923
5.
Insert Water Panel Evaporator
assembly into base. Make sure bottom of
scale control insert (5) is over drain
opening. Snap top of evaporator assembly
into base.
6.
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 set-point of control.
Wiring diagrams illustrate recommended
method of detecting furnace operation.
PARTS LIST
7
1. Front Cover
17
2. Base
16
3. Orifice Plate
4. Motor Mount Bridge
5. Scale Control Insert
6
6. Water Panel Evaporator
7. Water Distribution Tray
8. Fan Blade
3
9. Motor
8
4
13
12
11
– TOP –
Figure 2
90-924
MANUAL HUMIDIFIER CONTROL,
MODEL 700M:
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
• For wall-mount, select location that
10. Motor Mount Gasket
11. Control Relay
12. Power Cord
13. Strain Relief Bushing
14. Solenoid Valve
DIGITAL HUMIDIFIER CONTROL,
MODEL 700:
15. Connector Plug
16. Feed Tube
• Select location for control on return
17. Nozzle
18. Relay Connector Plug
18
• Control must be powered by a
10
9
1
90-1244
READ REVERSE SIDE FIRST!
Figure 3
90-925
7.
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.
template in convenient location on duct.
8.
Avoid injury from sharp edges when
valve to solenoid valve. DOUBLE-
cutting opening. Make sure foam
WRENCH TO PREVENT LEAKING.
gasket is in place and secure control to
See Figure 4.
duct using 2 screws in holes provided.
9.
floor drain. Make sure drain has
will not be affected by drafts or heat
constant downward slope and is not
sources. Remove and discard foam
kinked. Do not over-tighten hose clamp
gasket and secure control over wire
onto drain spud. Do not use solvent
access opening using screws &
adhesive on drain spud.
anchors provided.
10.
saddle valve and turn control to highest
setting. Turn on furnace. Allow
humidifier to run until water flows from
duct. Drill 3/4" hole for sensor. Knob
drain. Make sure all electrical
connections are secure and all
and cover must be removed to mount
plumbing connections are water-tight.
control. Place control on duct with RH
sensor extending into duct opening.
Set control to proper setting.
Make sure gasket is in place around
sensor cage. Secure control to duct
using 2 screws in openings provided.
continuous 24 V source. See wiring
diagrams on template and control
instructions for 24 V control
connections.
IMPORT NT!
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.
Figure 4
90-926
Humidifier will function with cold,
Run 1/4" copper tubing from saddle
Run 1/2" I.D. hose from drain spud to
Check humidifier operation. Open
NOTE: BEFORE LEAVING THE
JOB SITE, MAKE SURE:
1. Saddle valve is fully open.
2. All plumbing connections are
watertight.
3. Humidifier functions properly.
10008272 B2204690A 10.08
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