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READ AND SAVE THESE INSTRUCTIONS
CM200
Flow-Thru Humidier
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Pad retainer
Installation, Operation, & Maintenance Manual
CM200 Flow-Thru Humidier
This humidier MUST be connected to a drain
1. Preparing the unit.
This unit is reversible. Although not mandatory, use on the hot air duct
will improve performance. Find the best location and determine how the
humidier will be installed. Select the top. Install and fasten the water
This line
must be level
4''+
Solenoid Valve
Water diffuser
two mounting pins towards the rear. Finally, install the plastic pad retainer by snapping
it in the hole located in the middle of the humidier frame.
2. Cutting the opening.
Draw a level line at 4 inches minimum above the furnace housing for clearance of
the drain tube. Attach the template to the duct. Punch and drill the four corners for
the opening and the four fastening holes with a 3/32” drill. Remove the template and
complete the opening outline. Cut the opening in the plenum. Take care not to drill into
air conditioning coils.
3. Installing the unit.
Install the unit in the opening. Use the four screws (#8 x 3/4”) to attach the humidier
body to the duct. The ribs around the humidier back opening must t into the
rectangular opening in the duct. Check that the humidier body is level from side to
side. Then fasten the unit completely.
diffuser, the long plastic piece, with two screws #6 x 1/2” inside of the
top part of the humidier. Install the solenoid valve (mounted on a metal
bracket) outside of the top of the humidier. While supporting the water
diffuser with one hand, insert the plastic tube protruding from the valve
into the hole in the middle of the top part of the humidier making sure
that the plastic tubing is rmly seated in the hole of the water diffuser.
Fasten the valve assembly to the unit with screws # 6 x 1/2”, using the
4. Installing the collar and the ex duct.
Install the 6” duct collar in a convenient
location on the opposite duct with four
screws (#8 x 3/8”). Using the gear clamp provided, t the exible duct onto
the collar and tighten gear clamp. Slide the damper assembly into the side
opening of the humidier until it snaps. Make sure to position the damper
knob in front of the unit. Measure the required ex duct length to the duct
collar so it does not sag. Cut the excess portion. Slide the exible duct on
the air take-off collar and secure it using the second gear clamp.
5. Installing the drain tube.
Select a convenient drain location for running the drain tube. Before you connect the tube to
the drain tting, slip the hose clamp over the tube. Push the drain tube (1/2” I.D.) over the drain
tting located at the bottom of the unit and secure it in place with the hose clamp. Make sure
the tube has no bends and the water can ow easily in a straight manner to the drain without
accumulating in the tube.
6. Installing the evaporator pad.
The pad is enclosed in a plastic frame having molded markings that clearly indicates
the bottom. Slide the pad into the bottom part of the humidier, the little bump at the
top facing to you, then push the pad against the back opening of the humidier. Lock
the pad in place with the pad retainer.
•
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Model CM200
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Installation, Operation, & Maintenance Manual
7. Connecting the water supply tubing to the selenoid valve.
» Remove the plastic cap from the solenoid
valve inlet port.
» Install the water supply tubing on the
inlet which has a compression tting to
receive the supply tubing. Slip the brass
compression nut onto the plastic supply
tube, then the nylon sleeve with its most
tapered end towards the end of the tube.
brass insert nut
Finally, install a brass insert into the end of the plastic tubing.
» Push the supply tube fully into the brass compression tting. Tighten the brass compression nut with small
wrenches, without stripping, using the double wrench method in order to apply the torque on the tting only.
8. Installing the water supply valve.
The water supply is taken from the nearest suitable cold, hot, softened or unsoftened water line. The use of service
hot water (140°F / 60ºC Max) improves the evaporative capacity.
» Install the other end of the supply tube and make the connection to the saddle
valve installed on the copper supply pipe.
» Turn the valve handle completely clockwise until it stops. This will pierce the
copper pipe and close the valve.
» This saddle valve is designed to be fully open or closed. Do not use it to adjust
the water ow.
nylon sleeve
9. Installing the transformer.
The transformer supplied is for 120 volts operation only.
Do not install it on a furnace supplied with a different
voltage. Connect the transformer primary to the relay
Humidistat
white
black
activated when the furnace is in a heating cycle. Some
furnaces have power terminals than can be used for
accessories. Please refer to the furnace installation
Water Valve
manual.
10. Installing the humidistat and nal wiring.
The humidistat should be installed on a at and vertical surface of the RETURN duct. Attach the humidistat template
on the return duct at 6 inches minimum from the humidier top. Mark and drill the mounting holes and cut an opening
for the humidistat. Push the two quick connectors on the humidistat terminals. Run the two humidistat wires through
a little opening located at the bottom of the front panel. Install the humidistat in the opening and fasten it to the duct.
The mechanism is exposed in the duct. Check that the metal of the duct neither touches the connections nor cuts the
wire insulation. Complete the wiring of the humidistat according to the above diagram.
11. Humidier Start-Up.
Open the saddle valve, put the furnace power back on and start the furnace in a
heating cycle. Set the humidistat at the maximum setting. After a few ON/OFF cycles
of the electric valve, you should see water owing through the drain tube. Check that
the water is evenly distributed by the water diffuser across the pad. Carefully check
that both ends of the water supply tube are rmly held in place by their respective
compression tting. After peeling off the backing, afx the faceplate to the cover of
the humidistat and re-install the control knob. Set the humidistat according to the
recommended setting on the label. Check the system several times to make sure there is a free ow in the drain tube
and there is no leak before leaving the installation unattended. When everything is working ne, afx the adhesive
nameplate on the humidier cover.
Please ensure that customer receives the owner’s manual.
Model CM200
Note for the contractor:
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Installation, Operation, & Maintenance Manual
Owner’s Instructions for Flow - Thru Humidier
Operating and Maintenance Tips - Warranty
1. Principal of Operation.
» This humidier uses a vertical evaporator pad, wetted by a water ow. Warm air is by-passed from the warm air
plenum and forced through the evaporator pad. Humid air is drawn back into the return duct.
» The pad is enclosed in a plastic frame with a marking that clearly indicates the bottom. It is designed to retain
water before it is evaporated. The excess of water is sent to the drain.
» All ow-through humidiers improve performance and evaporative capacities if they are used with constant blower
operation and are connected to the service hot water (max 140°F).
» When the furnace is producing heat and the humidistat is calling for humidity, the solenoid valve opens allowing
water to ow through the pad which is then evaporated in the system.
2. Adjusting the humidity level in your home.
» A relative humidity environment of 50% is recommended. Please refer to the table on the humidistat front plate to
help determine the proper level.
Outside Temperature Recommended Setting
o
-22
F (-30oC) 15%
o
-13
F (-25oC) 20%
o
-4
F (-20oC) 25%
o
+5
F (-15oC) 30%
o
+14
F (-10oC) 35%
o
above 23
F (-5oC) 40%
» At the beginning of the heating season it might take some time (a few days) to build up the humidity to the
comfortable level you want. Depending on the original dryness of the house, carpets, furniture and wood will
absorb moisture before you could really feel a difference.
» If your house remains unoccupied during the winter season, adjust the humidistat to a lower setpoint in order to
prevent condensation.
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Model CM200
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Installation, Operation, & Maintenance Manual
3. A few tips.
» Do not use the supply valve (saddle valve installed on the supply line) to regulate the water ow. This type of valve is
designed to be completely opened or closed.
» Do not allow the drain tube to ll with water in bends, elbows or kinks. Water could accumulate in them and that
could become a place for deposit build-up.
4. Annual Maintenance.
To replace the evaporator pad:
1. Shut off the furnace power.
2. Open the humidier by removing the plastic screw on the side of the cover.
3. Unlock the evaporator pad by turning the plastic retainer at the top of the pad.
4. Remove the old pad and replace it by a new one while checking the printed marking that clearly indicates the
bottom of the pad.
5. Lock the new pad in place.
6. Put the cover back and secure it with the plastic screw.
Note: Depending on the quality of water, it is recommended to replace the evaporator pad once per heating season.
Evaporator pad replacement part #: 266816-101.
5. Summer Season.
» If the system is used with air conditioning during the summer, reduce the air volume going through the humidier
by closing the air damper located on the side of the humidier.
The control button shows the actual position of the damper.
» It is recommended to simply shut off the humidier system:
1-Close the water supply valve.
2-Turn the humidistat knob to the “OFF” position.
6. Warranty.
This humidier is guaranteed against any defects in material and workmanship, under normal use, for ve (5) years from
the date of purchase. The frame and door are guaranteed for life against defects in material and workmanship, under
normal use. This warranty applies only if the unit is properly installed and operated according to the instructions provided
with this product. This warranty will not cover defects due to misuse or faulty installation. The manufacturer will not be held
responsible for any bodily injuries or damages to personal property or real estate, whether caused directly or indirectly
by the humidier. If warranty service is required during the warranty period, the manufacturer will, at its sole discretion,
repair or replace the product, without charge, upon delivery of the product where it was purchased, with proof of purchase.
7. Parts Guide.
CM200
P/N 266816-001
DESCRIPTION Part No.
Replacement lter (qty 1) 266816-101
Replacement lter (box of 14) 266816-102
AC Solenoid Valve 266816-103
Water Diffuser 266816-104
Hardwire Transformer 115/24VAC 266816-105
Saddle Valve 266816-106
Replacement Door 266816-107
Replacement Body
Humidistat 266816-109
Inlet Collar c/w damper 266816-110
Duct Collar 266816-111
266816-108
Model CM200
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®
Trion
101 McNeill Rd. | Sanford, NC 27330
P: 800.884.0002 | F: 800.458.2379 | www.trioniaq.com | customerservice@trioniaq.com
Part No. 266816-001
©Trion 2013. All Rights Reserved.
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