Honeywell Humidifier HE225A User Manual

HE225A,B and HE265A,B  
Bypass Flow-Through  
Humidifier  
whole-house air quality system  
PRODUCT DATA  
FEATURES/BENEFITS  
Antimicrobial coating on pad prevents the surface  
growth and migration of bacteria, mold, fungus and  
algae on the humidifier pad.  
Bold new look with blue and white styling.  
Proven technology used for high performance  
humidification and enhanced comfort.  
Preassembled for quicker installation.  
Small footprint, light weight and reversible  
components allow easy mounting on either warm air  
supply or return air duct of any forced air furnace.  
Interior components designed for quick maintenance  
and service.  
Includes easy-to-use humidity control that mounts on  
the wall or duct for more flexible installation.  
Continuous flushing reduces the frequency of  
maintenance in a hard water installation.  
AIRWATCH™ Indicator can be installed to remind  
homeowner to change humidifier pad.  
APPLICATION  
Five-year warranty.  
The Enviacaire Elite HE225A,B and HE265A,B Bypass Flow-  
through Humidifiers use the warm air furnace blower to  
provide humidification for the whole house.  
® U.S. Registered Trademark  
Copyright © 2000 Honeywell  
All Rights Reserved  
 
68-0244  
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
Standard:  
Air Conditioning and Refrigeration Institute Tested:  
Standard 610.  
1
1
9-1/8 (232)  
-7  
/1  
6 (29  
0
)
Models:  
HE225A TRADELINE® and HE265A TRADELINE®  
Bypass Flow-through Humidifier package includes  
humidifier pad, mounting template, self-piercing saddle  
valve, 24 Vac transformer, H8908B Convertible  
Humidity Control.  
1
2 (3  
05)  
HE225B TRADELINE® and HE265B TRADELINE®  
Bypass Flow-through Humidifier package includes  
humidifier pad, mounting template, self-piercing saddle  
valve, 24 Vac transformer, H1008AAutomatic Humidity  
12-7/16  
Control with HumidiCalc™ Software.  
(316)  
Accessories:  
Current Sensor Relay, part no. 32001754-001.  
C7089H Outdoor Temperature Sensor.  
H8908B Convertible Humidity Control.  
H1008A Automatic Humidity Control with HumidiCalc+™  
Software (software calculates dewpoint to prevent  
moisture condensation).  
HC22E Antimicrobial Humidifier Pad (HE225A,B only).  
HC26E Antimicrobial Humidifier Pad (HE265 A,B only).  
HumidiCalc+™ Humidifier Sizing Software (software  
13-9/16  
(345)  
6 (152)  
DIAMETER  
M14818  
calculates required humidifier capacity for application).  
PC8900 Control.  
S688 Sail Switch.  
Fig. 1. Dimensions of HE225A,B in in. (mm).  
INSTALLATION  
9-1/4 (235)  
12 (305)  
WARNING  
Hazardous Voltage.  
13-9/16 (345)  
Can cause personal injury or equipment damage.  
Do not cut or drill into any air conditioning line or  
electrical accessory.  
CAUTION  
15-5/16  
(390)  
Freezing Water, Flooding or  
Static Pressure Hazard.  
Can cause water damage to home or permanent  
equipment damage.  
The humidifier must be located where the ambient  
temperature is above 32°F and below 160°F (0°C  
and 71°C).  
Be sure supply plenum static pressure is no  
greater than 0.3 in. w.c. and water pressure is no  
greater than 125 psi.  
16-3/4  
(425)  
6 (152)  
DIAMETER  
IMPORTANT  
To assure optimal product performance, be sure the  
M14819  
template is level before marking location.  
Fig. 2. Dimensions of HE265A,B in in. (mm).  
1. Determine the best location for the humidifier and draw  
a level line on the plenum. See Fig. 3.  
Approvals:  
Underwriters Laboratories Inc. Listing: 56 BL.  
Canadian Underwriters Laboratories Inc. Listing: 56 BL.  
68-0244  
3
 
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
11. Reinstall the humidifier pad assembly in the humidifier  
housing.  
NOTE: Be sure the water feed tube is not pinched or  
kinked.  
HORIZONTA
12. Hinge the cover in place and secure with the  
thumbscrew located at the bottom of the cover.  
WATER  
FEED NOZZLE  
HIGHBOY  
DOWN  
FLO  
HUMIDIFIER  
PAD ASSEMBLY  
LOWBOY  
FRAME  
M12248C  
COVER  
SIDEWALL  
Fig. 3. Typical humidifier installation locations.  
IMPORTANT  
Mount the humidifier at least 3 in. (76 mm) above  
the furnace jacket to allow adequate space for the  
solenoid valve and drain line. Check that there is  
adequate space above the humidifier to remove and  
install the humidifier cover.  
2. Tape the template in position and trace around the  
template.  
3. Remove the template and carefully cut the rectangular  
HUMIDIFIER  
HOUSING  
opening.  
WATER  
BY-PASS SIDEWALL  
FEED TUBE  
M14672  
4. Disassemble the humidifier; remove the cover and take  
out the humidifier pad assembly. See Fig. 4.  
Fig. 4. Humidifier components.  
NOTE: Sidewalls are interchangeable for either left or  
right by-pass installation. To change direction,  
remove the screws holding each sidewall,  
switch sidewall locations and reinstall the  
screws.  
WIRING THE HUMIDIFIER  
CAUTION  
5. Position the humidifier housing in the opening (be sure  
it is level), so the locking tabs are in place on the lower  
sheet metal edge of the opening.  
6. Secure the humidifier housing to the opening at the top  
and bottom using sheet metal screws.  
7. Locate the other plenum and cut an opening for a 6 in.  
(152 mm) collar.  
8. Install the 6 in. (152 mm) collar.  
Hazardous Voltage.  
Can cause personal injury or equipment damage.  
Disconnect the power supply before installing or  
servicing.  
On multispeed blower applications, do not wire the  
high voltage side of the transformer to the same  
power source that services the furnace blower.  
Premature transformer burnout may occur.  
NOTE: Be sure to install a duct damper for summer  
shutoff on systems with air conditioning.  
All wiring must comply with applicable local codes,  
ordinances and regulations.  
9. Install a 6 in. (152 mm) diameter duct from the collar to  
1. Mount the transformer in a convenient location.  
2. Connect wires to the 120V side of the transformer.  
3. Wire the humidifier solenoid valve, current sensing  
relay, or sail switch, humidity control and transformer.  
Refer to the humidity control installation instructions for  
mounting and wiring information.  
the humidifier.  
NOTE: Some installations require a 90° elbow  
attachment to the collar.  
10. Seal the duct connections with duct tape.  
NOTE: Select models of fan centers include humidifier taps  
so the current sensing relay or sail switch is not  
needed.  
NOTE: To avoid sagging and stress on the humidifier,  
add support when ducting is longer than  
4 ft (120 cm).  
68-0244  
4
 
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
PLUMBING THE SADDLE VALVE  
OPERATING THE HUMIDIFIER  
DITY  
ING  
SETT  
15%  
20%  
25%  
30%  
35%  
40%  
HUMI  
OOR  
OUTD  
ERAT  
URE  
TEMP  
-30 °C  
-25 °C  
-20 °C  
-10 °C  
-5 °C  
-20 °F  
-10 °F  
0
+10  
+
Over  
2
0
°F  
°F  
Hot or cold water, either hard or softened, can be used in the  
humidifier.  
The HE225A and HE265A  
Humidifiers are controlled by  
the Convertible Humidity  
20 °F  
l
ontro  
idity C  
Hum  
Régula  
°C  
Over  
0
°F  
idité  
'hum  
teur d  
1. Use the self-piercing saddle valve (included) to tap into  
Control that is installed either  
on an interior wall in the living  
area or on the return air duct.  
Choose the humidity control  
setting using the combination  
relative humidity/outdoor  
the water supply line at an appropriate location.  
IMPORTANT  
The saddle valve is not designed to regulate water  
flow. The valve is either open or closed.  
To prevent debris from clogging the solenoid inline  
filter, be sure to install the saddle valve handle  
pointing toward the ceiling.  
M14694  
temperature setting scale on the  
humidity control dial. Match the  
H8908A  
dial setting to the outdoor temperature for optimizing the  
NOTE: Lightly clean the copper tubing ends with fine  
sandpaper before making any connections.  
humidity level while reducing the moisture condensation on  
inside windows. Table 5 can also be used to adjust the  
humidity control to the recommended setting.  
2. Use 1/4 in. O.D. copper tubing and connect the saddle  
valve to the inlet side of the solenoid valve.  
NOTE: As the outside temperature drops, the  
recommended setting is lowered to accommodate  
the effects of dewpoint. These settings should  
reduce the accumulation of moisture and ice on the  
windows and in other areas of the house.  
CAUTION  
Hazardous Voltage.  
Can cause personal injury or equipment damage.  
Do not use any line connected to an air conditioner.  
Some indoor activities such as cooking, showering and  
clothes drying can cause excessive levels of humidity and  
start the accumulation of moisture on the windows.  
a. Place the brass compression nut over the copper  
tubing.  
NOTE: If this condition persists for more than a few hours,  
set the humidity control to the lowest setting to turn  
off the humidifier. If the condition does not improve,  
ventilate your home to remove the moisture.  
NOTE: Do not over tighten the compression nut.  
Moderate tightness prevents leaking.  
b. Slide the brass ferrule over the tubing.  
c. Insert the tubing into the solenoid valve fitting and  
support the valve while tightening the  
compression nut.  
The Enviracaire Elite HE225B  
and HE265B Humidifiers are  
controlled by the Honeywell  
H1008A Automatic Humidity  
Control with HumidiCalc+  
3. Connect a 1/2 in. (13 mm) drain tube to the humidifier  
drain fitting and run to a suitable drain.  
Software. The automatic  
humidity control is mounted in  
the return air duct where it can be  
exposed to the air stream of the  
return air. The HumidiCalc+ Software  
NOTE: Slope the drain tube downward for correct  
drainage.  
M12817  
H1008A  
inside the automatic humidity control  
CHECKING THE INSTALLATION  
is designed to automatically adjust the humidity level based  
on indoor temperature and humidity, inferred or measured  
outdoor temperature, and the setting of the frost factor dial.  
The frost factor allows for variations in furnace size, window  
insulation and average daily climate temperature.  
Use the following procedure to check out the humidifier  
installation:  
1. Open the saddle valve.  
2. Set the thermostat setpoint to 10°F (6°C) above the  
room temperature.  
The Automatic Humidity Control with HumidiCalc+ Software  
requires an initial adjustment period. Set the frost factor dial  
on 5 and use Table 6 to adjust the frost factor—only one  
setting at a time—increasing the dial setting for more  
humidity, or reducing the setting if moisture develops on  
inside windows. For more precise humidity adjustment, set  
the frost factor between dial settings. Allow two days for the  
humidity level to subside before making further adjustments.  
Once the proper setting has been found, no further  
adjustment is needed. HumidiCalc+ Software takes over  
and makes any future adjustments caused by varying outdoor  
temperatures, thus reducing moisture build-up on windows  
while maintaining the optimal humidity level.  
NOTE: The furnace blower must be on for the  
humidifier to operate.  
3. Set the Convertible Humidity Control to a high setting,  
or place the H1008A Automatic Humidity Control in the  
Test position.  
4. Observe the water running out of the drain line to be  
sure the humidifier is working.  
5. Check for leaks.  
6. Reset the thermostat and Convertible Humidity Control  
to a comfortable setting, or the Automatic Humidity  
Control to the desired frost factor setting, for automatic  
operation.  
68-0244  
5
 
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
Table 5. Recommended Convertible Humidity Control Settings.  
At Outside Temperature  
-20°F (-29°C)  
Recommended Setting  
At Outside Temperature  
+10°F (-12°C)  
Recommended Setting  
15  
20  
25  
30  
35  
40  
-10°F (-23°C)  
+20°F (-7°C)  
0°F (-18°C)  
Above 20°F (-7°C)  
Table 6. Recommended Frost Factor Settings.  
Recommended Adjustment  
Humidity Level  
Insufficient humidity  
Increase the frost factor dial by one setting.  
Decrease the frost factor dial by one setting.  
Condensation on windows  
Every 1 to 3 Months  
OPERATION  
(Depending on Water Quality)  
The HE225A,B and HE265A,B Humidifiers use the principle  
that vapor (evaporated water) is created when warm air blows  
over a water soaked area. As the vapor circulates, the relative  
humidity rises.  
Use the following procedure to clean the humidifier:  
1. Disconnect the power and turn off the humidifier water  
supply.  
2. Remove the humidifier cover. See Fig. 5.  
The humidity control monitors the relative humidity and  
activates the humidifier accordingly. The humidifier has a  
water supply that disburses water over an antimicrobial  
humidifier pad. The warm dry air from the furnace passes  
over the humidifier pad and collects moisture and them  
circulates it through the house.  
WATER  
FEED NOZZLE  
Humidified air feels warmer and more comfortable so the  
homeowner may be able to lower the thermostat heating  
setpoint and save money on heating fuel bills. The end result  
is that the humidifier gives the homeowner a comfortable  
environment that is also energy efficient.  
HUMIDIFIER  
PAD ASSEMBLY  
FRAME  
COVER  
SIDEWALL  
MAINTENANCE  
A regular maintenance program prolongs the life of the  
humidifier and provides a more comfortable environment.  
Either hard or soft water can be used in the humidifier.  
Frequency of cleaning depends on the condition of the water.  
CAUTION  
Voltage Hazard.  
Can cause electrical shock and equipment  
damage.  
HUMIDIFIER  
HOUSING  
Disconnect power supply before installing or  
servicing.  
WATER  
FEED TUBE  
BY-PASS SIDEWALL  
M14672  
Fig. 5. Location of humidifier parts.  
IMPORTANT  
Never oil any part of the humidifier.  
3. Remove the humidifier pad assembly from the  
humidifier by grasping the tray and pulling it toward  
you.  
4. Pull one side of the humidifier pad assembly frame  
toward you and remove the tray from the frame.  
5. Gently pinch the water nozzle catches inward until the  
water nozzle can be lifted off the tray.  
6. Slide the antimicrobial humidifier pad out of the frame.  
7. Carefully scrape any mineral deposits from the tray and  
frame. Be sure the frame drain hole has nothing  
blocking it.  
68-0244  
6
 
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
8. Check the humidifier pad and if excessive mineral  
IMPORTANT  
Be sure the humidifier power is off.  
deposits are present, replace with a new antimicrobial  
pad.  
9. Disconnect the tube from the drain fitting on the bottom  
of the humidifier housing.  
10. Clean the drain fitting, if necessary.  
11. Bend the drain tube to loosen any mineral deposits.  
12. Flush the drain tube with pressurized water (a running  
tap) to clean the tube.  
Beginning of Humidification Season  
Refer to the Checkout Procedure section to complete the  
humidifier startup.  
Vacation  
13. Reattach the drain tube to the drain fitting.  
14. Slide the humidifier pad back into the frame.  
When leaving on vacation, turn off the humidifier water supply  
and the humidity control. When returning from vacation, turn  
on the humidifier water supply and reset the humidity control  
to restart the humidifier.  
IMPORTANT  
To maintain the antimicrobial properties of the  
humidifier, use only a Honeywell HC22E or HC26E  
Antimicrobial Pad. See Table 8 List of Replacement  
Parts for appropriate pad. Be sure the marked side  
of the antimicrobial humidifier pad is facing up for  
proper performance.  
CHECKOUT PROCEDURE  
After winter startup or servicing, use the following procedure  
to check the humidifier operation:  
15. Snap the water nozzle back on the tray.  
16. Reattach the tray to the frame.  
17. Place the humidifier pad assembly in the humidifier  
housing and press until the assembly is completely  
seated. Be careful not to pinch or kink the water feed  
tube.  
1. Turn on the humidifier power and water supply.  
2. Turn the Convertible Humidity Control to the highest  
setting, or place the H1008A Automatic Humidity  
Control in the Test position and set the thermostat to  
10°F (6°C) above the room temperature.  
3. Observe that water is flowing out of the drain hose.  
18. Replace the humidifier cover.  
19. Verify the humidifier operation by following the steps in  
the Checkout Procedure section.  
NOTE: The furnace blower must be on for the  
humidifier to operate.  
4. Reset the thermostat and Convertible Humidity Control  
to a comfortable setting, or the H1008AAutomatic  
Humidity Control to the desired frost factor setting, for  
automatic operation.  
End of Humidification Season  
At the end of the heating season, follow steps 1 through 18  
from the Every 1 To 3 Months section to clean the humidifier  
and shut if off.  
TROUBLESHOOTING  
Refer to Table 7 for troubleshooting procedures.  
Table 7. Troubleshooting Procedures.  
Problem  
What To Look For  
What To Do  
Low humidity  
Furnace blower not operating  
Reset circuit breaker or check for blown fuse.  
Check that the furnace power is on.  
Check all external wiring connections.  
Check the humidity control setting.  
Call a professional heating contractor.  
Rapid air changes. Drafts (cold air  
is dry and is an added load to the  
humidifier).  
Keep doors and windows closed.  
Close fireplace damper when not in use.  
Keep exhaust fan running time to a minimum.  
Seal around doors and windows.  
High humidity  
Condensation on walls.  
Turn humidity control and water off until condensation is  
completely evaporated.  
Heavy condensation on windows.  
Turn humidity control down low enough to eliminate  
condensation caused by moisture from bathing, mopping,  
cooking, etc. If moisture persists, more ventilation is needed.  
68-0244  
7
 
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
REPLACEMENT PARTS  
Refer to Fig. 6 and Table 8 when ordering replacement parts.  
10  
4
9
8
3
4
0
0
2
0
5
0
10  
11  
12  
3
OFF  
5
6
6
0
ON  
13  
7
8
1
8
2
M14820  
Fig. 6. Exploded view of humidifier parts.  
68-0244  
8
 
HE225A,B AND HE265A,B BYPASS FLOW-THROUGH HUMIDIFIER  
Table 8. List Of Replacement Parts For HE220A,B, HE260A,B Humidifiers.  
Exploded  
View Number  
Description  
HE225 Part Number  
32001612-002  
32001613-002  
32001611-003  
32001619-001  
HC22E1003  
HE265 Part Number  
32001626-002  
32001627-002  
32001611-004  
32001630-001  
HC26E1004  
1
2
3
4
5
6
7
8
Side wall  
Bypass side wall  
Cover Assembly  
PerfectFlo™ water distribution tray  
Antimicrobial humidifier pad  
Frame  
32001621-001  
32001615-001  
32001639-002  
32001632-001  
32001615-001  
32001639-002  
Drain fitting  
Solenoid valve assembly  
(includes water feed tube and nozzle)  
9
Saddle valve assembly  
Transformer (10 VA)  
32001616-001  
32001652-001  
H8908B1002  
H1008A1008  
32001616-001  
32001652-001  
H8908B1002  
H1008A1008  
10  
11  
12  
Convertible Humidity Control  
Automatic Humidity control with  
HumidiCalc™+ Software  
13  
Base insert assembly, includes no. 8 above  
32001625-003  
32001752-001  
32001625-004  
32001752-001  
Hardware Kit for Solenoid Assembly (same as Solenoid  
valve assembly without the solenoid valve)  
Current Sensing Relay  
32001754-001  
32001754-001  
68-0244  
9
 
68-0244  
10  
 
68-0244  
11  
 
IMPROVE YOUR INDOOR AIR WITH A COMPLETE  
whole-house air quality system  
ULTRAVIOLET AIR TREATMENT SYSTEM  
ZAP airborne germs.  
Kill most germs before they recycle  
through your home.  
Prevent mold spores from growing on your  
system cooling coils.  
F300E ELECTRONIC AIR CLEANER  
TRAP airborne particles.  
Up to 99% efficient at capturing  
airborne particles.  
Effectively REDUCES fungi, bacteria,  
mold antigen, cat antigen and ragweed  
pollen antigen that pass through system.  
ENVIRACAIRE ELITE HUMIDIFIERS  
Moisturize parched air.  
Help maintain proper humidity to minimize  
adverse health effects.  
Features special antimicrobial agent to prevent  
surface growth and migration of bacteria, mold,  
fungus and algae on the humidifier pad.  
Honeywell offers one of the broadest families of home solutions in the  
industry - ranging from thermostats, zoning, ventilation, air cleaning,  
humidification to internet-enabled home control and wireless  
... only from Honeywell.  
M14757  
Home and Building Control  
Honeywell  
1985 Douglas Drive North  
Golden Valley, MN 55422  
Home and Building Control  
Honeywell Limited-Honeywell Limitée  
35 Dynamic Drive  
Scarborough, Ontario  
M1V 4Z9  
Printed in U.S.A. on recycled  
paper containing at least 10%  
68-0244 G.H. 11-00  
post-consumer paper fibers.  
 

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