Owner's Manual
Page 2
Patents pending. All rights reserved. Copyright © 2007 Honeywell International Inc. Table of contents About your new humidifier TrueSTEAM controls 1 Maintaining ideal humidity 2 TrueSTEAM function and operation 3 Setting the controls 4 Maintenance and operation LED light indicators 5 Cleaning and maintenance 6 Seasonal or vacation maintenance 8 Troubleshooting and repair Homeowner troubleshooting 9 Limited ...
Patents pending. All rights reserved. Copyright © 2007 Honeywell International Inc. Table of contents About your new humidifier TrueSTEAM controls 1 Maintaining ideal humidity 2 TrueSTEAM function and operation 3 Setting the controls 4 Maintenance and operation LED light indicators 5 Cleaning and maintenance 6 Seasonal or vacation maintenance 8 Troubleshooting and repair Homeowner troubleshooting 9 Limited ...
Owner's Manual
Page 3
Your Honeywell TrueSTEAM direct-injection humidifier provides the high performance and efficiency of the following control packages: VisionPRO IAQ Total Comfort System YTH9421C1002 • Controls both temperature and TrueSTEAM. • Sensor for displaying outdoor temperature. • Intuitive user interface for displaying outdoor temperature and humidity. • Shows actual humidity and desired setting. • Maintenance ...
Your Honeywell TrueSTEAM direct-injection humidifier provides the high performance and efficiency of the following control packages: VisionPRO IAQ Total Comfort System YTH9421C1002 • Controls both temperature and TrueSTEAM. • Sensor for displaying outdoor temperature. • Intuitive user interface for displaying outdoor temperature and humidity. • Shows actual humidity and desired setting. • Maintenance ...
Owner's Manual
Page 5
... beveled nozzle keep water in the tank, delivering only true steam into your HVAC equipment allows TrueSTEAM to 70% less water than flow-through humidifiers. True steam provides your equipment automatically. 69-2035EFS-05 Snap-lock latch allows for a... performance, giving you need it . Sediment screen keeps the tank clean for quick, easy maintenance. TrueSTEAM Direct-Injection Humidifier TrueSTEAM function and operation Your TrueSTEAM humidifier provides the highest capacity and most efficient steam humidification for whole-house residential applications. M24784 Wiring to ...
... beveled nozzle keep water in the tank, delivering only true steam into your HVAC equipment allows TrueSTEAM to 70% less water than flow-through humidifiers. True steam provides your equipment automatically. 69-2035EFS-05 Snap-lock latch allows for a... performance, giving you need it . Sediment screen keeps the tank clean for quick, easy maintenance. TrueSTEAM Direct-Injection Humidifier TrueSTEAM function and operation Your TrueSTEAM humidifier provides the highest capacity and most efficient steam humidification for whole-house residential applications. M24784 Wiring to ...
Owner's Manual
Page 7
... at startup. Push the Empty button to blink a diagnostic code on the Call Service LED. POWER HUMIDIFYING CLEAN TANK SEE LABEL BELOW ! Power indicates the TrueSTEAM is plugged in and that the water tank needs cleaning. Clean Tank: This LED blinks to indicate the.... This will blink for 5 seconds to drain the tank of water for fault identification and troubleshooting. ALEbDoultigyhotuirnndeicwattohresrmostat TrueSTEAM Direct-Injection Humidifier The LED light panel on the TrueSTEAM lets you press the EMPTY button. Call Service is blinking, press/hold for 3 seconds to turn off ...
... at startup. Push the Empty button to blink a diagnostic code on the Call Service LED. POWER HUMIDIFYING CLEAN TANK SEE LABEL BELOW ! Power indicates the TrueSTEAM is plugged in and that the water tank needs cleaning. Clean Tank: This LED blinks to indicate the.... This will blink for 5 seconds to drain the tank of water for fault identification and troubleshooting. ALEbDoultigyhotuirnndeicwattohresrmostat TrueSTEAM Direct-Injection Humidifier The LED light panel on the TrueSTEAM lets you press the EMPTY button. Call Service is blinking, press/hold for 3 seconds to turn off ...
Owner's Manual
Page 8
...simple with water in severe scalding or death. Wait for cleaning. Press the EMPTY button. Do not attempt to remove the humidifier from scalding. Warning: Scalding hazard. To clean TrueSTEAM: 1. Failure to comply could be hot when tank is not exposed and use caution when pressing the EMPTY button, and... do NOT attempt to remove the tank with the TrueSTEAM-just remove the water tank for the CLEAN TANK light to be on solid (not blinking). Operating Manual Cleaning and maintenance Maintenance is ...
...simple with water in severe scalding or death. Wait for cleaning. Press the EMPTY button. Do not attempt to remove the humidifier from scalding. Warning: Scalding hazard. To clean TrueSTEAM: 1. Failure to comply could be hot when tank is not exposed and use caution when pressing the EMPTY button, and... do NOT attempt to remove the tank with the TrueSTEAM-just remove the water tank for the CLEAN TANK light to be on solid (not blinking). Operating Manual Cleaning and maintenance Maintenance is ...
Owner's Manual
Page 9
...walls. Scouring pads suitable for non-stick pots or pans are suitable for cleaning the TrueSTEAM reservoir walls and components within the bracket to the cam shaft, and "Lock" the shut-off humidifier with tank. Engage the water valve to disengage from the tank. Push down the ...cover's safety button and pull the latch forward to ready the humidifier. 69-2035EFS-05 Tank is removable. Cleaning and maintenance TrueSTEAM Direct-Injection Humidifier 2. Grip the white water valve arm and slide it back within the tank. For a more thorough ...
...walls. Scouring pads suitable for non-stick pots or pans are suitable for cleaning the TrueSTEAM reservoir walls and components within the bracket to the cam shaft, and "Lock" the shut-off humidifier with tank. Engage the water valve to disengage from the tank. Push down the ...cover's safety button and pull the latch forward to ready the humidifier. 69-2035EFS-05 Tank is removable. Cleaning and maintenance TrueSTEAM Direct-Injection Humidifier 2. Grip the white water valve arm and slide it back within the tank. For a more thorough ...
Owner's Manual
Page 10
Follow steps 1-6 in the Cleaning section on pages 7-8 at peak efficiency: 1. Clear ventilation holes in the humidifier's cover. 3. Operating Manual Seasonal or vacation maintenance TrueSTEAM has the built-in intelligence to a comfortable position. 69-2035EFS-05 There are a few house-cleaning steps to ...it is blinking. 2. When you leave on the humidifier water supply and reset your TrueSTEAM at least once per year, or when the Press Empty light is needed for an extended period. After 48 hours of inactivity, TrueSTEAM will drain its tank and remain empty until it...
Follow steps 1-6 in the Cleaning section on pages 7-8 at peak efficiency: 1. Clear ventilation holes in the humidifier's cover. 3. Operating Manual Seasonal or vacation maintenance TrueSTEAM has the built-in intelligence to a comfortable position. 69-2035EFS-05 There are a few house-cleaning steps to ...it is blinking. 2. When you leave on the humidifier water supply and reset your TrueSTEAM at least once per year, or when the Press Empty light is needed for an extended period. After 48 hours of inactivity, TrueSTEAM will drain its tank and remain empty until it...
Owner's Manual
Page 11
... unplug unit, reset circuit breaker and call a professional HVAC contractor. 69-2035EFS-05 Homeowner troubleshooting TrueSTEAM Direct-Injection Humidifier If you have difficulty with TrueSTEAM, please try the following suggestions. Most problems can be corrected quickly and easily. If moisture persists, more...reoccurance of 15 system faults. • Turn humidity control down low enough to the humidifier, and turn humidistat off the humidity control until condensation is blinking TrueSTEAM has detected one of condensation (see pages 2-4 for blown fuse. • If ...
... unplug unit, reset circuit breaker and call a professional HVAC contractor. 69-2035EFS-05 Homeowner troubleshooting TrueSTEAM Direct-Injection Humidifier If you have difficulty with TrueSTEAM, please try the following suggestions. Most problems can be corrected quickly and easily. If moisture persists, more...reoccurance of 15 system faults. • Turn humidity control down low enough to the humidifier, and turn humidistat off the humidity control until condensation is blinking TrueSTEAM has detected one of condensation (see pages 2-4 for blown fuse. • If ...
Owners Guide
Page 3
... and the Humidify light turns on the duct/wall near the unit. This will bypass the flush and immediately drain the tank. True 12 Gallons TrueSTEAM HM509 - ceilings. Ensure the drain hose is plumbed to a drain/condensate to prevent inadvertent disconnection. NOTE: It may ... the main water supply line is critical: The table below illustrates the square footage a TrueSTEAM humidifier can serve. Square Feet of the water connections. • Plug into a circuit with 8-ft. True 9 Gallons TrueSTEAM HM506 - Installation Check-out List • Install the in a tight, residential four...
... and the Humidify light turns on the duct/wall near the unit. This will bypass the flush and immediately drain the tank. True 12 Gallons TrueSTEAM HM509 - ceilings. Ensure the drain hose is plumbed to a drain/condensate to prevent inadvertent disconnection. NOTE: It may ... the main water supply line is critical: The table below illustrates the square footage a TrueSTEAM humidifier can serve. Square Feet of the water connections. • Plug into a circuit with 8-ft. True 9 Gallons TrueSTEAM HM506 - Installation Check-out List • Install the in a tight, residential four...
Owners Guide
Page 4
...to experience a slight plastic odor in the home, depending on the windows, then lower the setpoint (if not in the home, insulation, etc. Honeywell recommends waiting for humidity, it is restored. For the first week of home, furnishings in frost protection mode). The call for the temperature to ...achieve the setpoint, the unit may be under-sized (if home is a call service light may be needed. If the homeowner sees that TrueSTEAM is not humidifying but there is under 2000 sq ft, this occurs and the selected humidity levels are concerned the device may not be too low to...
...to experience a slight plastic odor in the home, depending on the windows, then lower the setpoint (if not in the home, insulation, etc. Honeywell recommends waiting for humidity, it is restored. For the first week of home, furnishings in frost protection mode). The call for the temperature to ...achieve the setpoint, the unit may be under-sized (if home is a call service light may be needed. If the homeowner sees that TrueSTEAM is not humidifying but there is under 2000 sq ft, this occurs and the selected humidity levels are concerned the device may not be too low to...
Owners Guide
Page 6
Also, ensure the TrueSTEAM is plugged into any air conditioning or electrical line • Wear safety glasses when cutting or drilling. • Mount the humidifier in a level position to avoid water damage or heating element failure. • Reinforce duct as necessary to replace a ...cause electrical shock or equipment damage. Safety Precautions • Do not direct the steam nozzle at least 1 foot clearance to hold the humidifier in humidifier's cover. The preferred installation location is full of water (approximately 12 to 15 lbs.), and to ventilation holes in a level position...
Also, ensure the TrueSTEAM is plugged into any air conditioning or electrical line • Wear safety glasses when cutting or drilling. • Mount the humidifier in a level position to avoid water damage or heating element failure. • Reinforce duct as necessary to replace a ...cause electrical shock or equipment damage. Safety Precautions • Do not direct the steam nozzle at least 1 foot clearance to hold the humidifier in humidifier's cover. The preferred installation location is full of water (approximately 12 to 15 lbs.), and to ventilation holes in a level position...
Owners Guide
Page 7
M24744 2 Install duct nozzle. Model HM506 HM509 HM512 M24745 Required Minimum Circuit Capacity 7 Amps 10 Amps 12 Amps CAUTION Hot water temperature above 120°F (49°C) can cause burns from the ... properly seated in . Continuous downslope Draining water may be hot. DUCT mount installation Choose a location that has access to your humidifier. • Vertical surface with adequate clearances. TrueSTEAM Humidification System If installing the humidifier directly to the supply duct, follow steps on pages 5-6 and 13-18. M24746 M24894 Insert nozzle and twist clockwise...
M24744 2 Install duct nozzle. Model HM506 HM509 HM512 M24745 Required Minimum Circuit Capacity 7 Amps 10 Amps 12 Amps CAUTION Hot water temperature above 120°F (49°C) can cause burns from the ... properly seated in . Continuous downslope Draining water may be hot. DUCT mount installation Choose a location that has access to your humidifier. • Vertical surface with adequate clearances. TrueSTEAM Humidification System If installing the humidifier directly to the supply duct, follow steps on pages 5-6 and 13-18. M24746 M24894 Insert nozzle and twist clockwise...
Owners Guide
Page 9
... be remotely mounted up to ensure steam output efficiency: • Honeywell recommends self-seal pipe insulation for hot and cold water pipes....steam distribution tube The 9- The 6-gallon model (HM506) can be installed. and 12-gallon models (HM509 and HM512) can be installed with an upward pitch of steam into the injection nozzle or condensation back...mounting, also follow these critical steps in back pressure on TrueSTEAM, which can result in sizing the proper TrueSTEAM: If the steam distribution tube is going into the humidifier. pitch on a continuous uphill slope. • Drain....
... be remotely mounted up to ensure steam output efficiency: • Honeywell recommends self-seal pipe insulation for hot and cold water pipes....steam distribution tube The 9- The 6-gallon model (HM506) can be installed. and 12-gallon models (HM509 and HM512) can be installed with an upward pitch of steam into the injection nozzle or condensation back...mounting, also follow these critical steps in back pressure on TrueSTEAM, which can result in sizing the proper TrueSTEAM: If the steam distribution tube is going into the humidifier. pitch on a continuous uphill slope. • Drain....
Owners Guide
Page 15
...°F water. 1/2-in. D Shut off the water supply. Secure 1/4-in . drain tube M27428 1/4-in . water line into filter. TrueSTEAM Humidification System Plumbing 10 A Insert 1/4-in . B Insert 1/4-in . Apply modest pressure for warranty) Back-flow valve (included) (required)... Draining water may be M24772 hot. T-fitting Manual shutoff valve (sold separately) Saddle valve (provided) Piercing pin To humidifier M24852 To humidifier Water supply line Check all water line connections to ensure a tight fit. water line into back-flow valve. drain tube...
...°F water. 1/2-in. D Shut off the water supply. Secure 1/4-in . drain tube M27428 1/4-in . water line into filter. TrueSTEAM Humidification System Plumbing 10 A Insert 1/4-in . B Insert 1/4-in . Apply modest pressure for warranty) Back-flow valve (included) (required)... Draining water may be M24772 hot. T-fitting Manual shutoff valve (sold separately) Saddle valve (provided) Piercing pin To humidifier M24852 To humidifier Water supply line Check all water line connections to ensure a tight fit. water line into back-flow valve. drain tube...
Owners Guide
Page 16
...thermostat G terminal. Ensure wires are secure and do not interfere with GF provides dry-contact closure for electronic humidistat. Ensure humidifier is ready to provide humidity to control blower (hydronic or cooling-only applications), this connection with assembly of the chassis.... Before wiring to GF fan board G terminal. HUM Low-voltage humidistat (or thermostat) terminals control humidifier operation. When TrueSTEAM is not plugged in. Installation Guide wiring 11 Loosen captive cover screw. Thermostat G passes through the raised harness tabs ...
...thermostat G terminal. Ensure wires are secure and do not interfere with GF provides dry-contact closure for electronic humidistat. Ensure humidifier is ready to provide humidity to control blower (hydronic or cooling-only applications), this connection with assembly of the chassis.... Before wiring to GF fan board G terminal. HUM Low-voltage humidistat (or thermostat) terminals control humidifier operation. When TrueSTEAM is not plugged in. Installation Guide wiring 11 Loosen captive cover screw. Thermostat G passes through the raised harness tabs ...
Owners Guide
Page 19
... ensure no sags have occurred. Press/release the RESET button to ensure 2 in the humidifier. If not pushed, TrueSTEAM will turn TrueSTEAM off ) when testing is applied. "Off" will automatically move to circulate air. TrueSTEAM Humidification System Wiring 13 Slide the cover back into place and secure captive screw. Be ... down (or off . 16 Confirm that the furnace blower turns on the water supply and plug in . Important for Remote Installation: After TrueSTEAM has produced steam for humidity. Turn on to ready after five minutes. POWER HUMIDIFYING CLEAN TANK SEE LABEL BELOW !
... ensure no sags have occurred. Press/release the RESET button to ensure 2 in the humidifier. If not pushed, TrueSTEAM will turn TrueSTEAM off ) when testing is applied. "Off" will automatically move to circulate air. TrueSTEAM Humidification System Wiring 13 Slide the cover back into place and secure captive screw. Be ... down (or off . 16 Confirm that the furnace blower turns on the water supply and plug in . Important for Remote Installation: After TrueSTEAM has produced steam for humidity. Turn on to ready after five minutes. POWER HUMIDIFYING CLEAN TANK SEE LABEL BELOW !
Owners Guide
Page 20
DIP 4 and 5 can be allowed to humidify ON without airflow. Details below. Empty light will blink, indicating ON from tank. M24853 DIP 6 DIP 5 DIP 4 DIP 3 DIP 2 DIP 1 DIP 6 DIP 5 DIP 4 DIP 3 DIP 2 DIP 1 DIP 4 OFF, DIP 5 ON: If TrueSTEAM determines that no airflow* ON is time to manually... clean the OFF water tank. it will allow humidity without HVAC power present and without HVAC power being present. DIP 6 DIP 5 DIP 4 DIP 3 DIP 2 DIP 1 30 hrs of humidify- 48 hrs before system auto- 1 ...
DIP 4 and 5 can be allowed to humidify ON without airflow. Details below. Empty light will blink, indicating ON from tank. M24853 DIP 6 DIP 5 DIP 4 DIP 3 DIP 2 DIP 1 DIP 6 DIP 5 DIP 4 DIP 3 DIP 2 DIP 1 DIP 4 OFF, DIP 5 ON: If TrueSTEAM determines that no airflow* ON is time to manually... clean the OFF water tank. it will allow humidity without HVAC power present and without HVAC power being present. DIP 6 DIP 5 DIP 4 DIP 3 DIP 2 DIP 1 30 hrs of humidify- 48 hrs before system auto- 1 ...
Owners Guide
Page 21
... occurred from the tank's bottom orifice to clear the Service Timer light (i.e. If unable to electronic board. If the TrueSTEAM Call Service light is present. • Clear any excess debris from which the humidifier can not recover by the number of Red Light Blinks 1 2 A Fault Description AutoRecoverable? The table below for leaks...
... occurred from the tank's bottom orifice to clear the Service Timer light (i.e. If unable to electronic board. If the TrueSTEAM Call Service light is present. • Clear any excess debris from which the humidifier can not recover by the number of Red Light Blinks 1 2 A Fault Description AutoRecoverable? The table below for leaks...
Owners Guide
Page 23
... and that 1 foot of clearance is maintained around tank and ventilation holes. • If steam is present, replace TrueSTEAM. • Water in tank may be Performed by HUMIDIFYING light turning on. • Allow unit to 104°F (40°C). • Turn humidistat off . Ensure ...correctly. Yes, system will electronic circuit return to drain, wait for steam leaks around the cover's vent holes. • Ensure the TrueSTEAM is installed in a location with the applicable wattage replacement part. • Ensure Differential Pressure Switch is too high. Temperature of Red Light...
... and that 1 foot of clearance is maintained around tank and ventilation holes. • If steam is present, replace TrueSTEAM. • Water in tank may be Performed by HUMIDIFYING light turning on. • Allow unit to 104°F (40°C). • Turn humidistat off . Ensure ...correctly. Yes, system will electronic circuit return to drain, wait for steam leaks around the cover's vent holes. • Ensure the TrueSTEAM is installed in a location with the applicable wattage replacement part. • Ensure Differential Pressure Switch is too high. Temperature of Red Light...
Owners Guide
Page 28
... tube. 4. The tank will drain and remain empty until humidity is recommended you return, turn off the humidifier's water supply and turn on page 23 at peak efficiency: 1. After 48 hours of Season Shutdown Your TrueSTEAM humidifier has the built-in intelligence to a comfortable position. 69-2036EFS-07 26 There are a few house...
... tube. 4. The tank will drain and remain empty until humidity is recommended you return, turn off the humidifier's water supply and turn on page 23 at peak efficiency: 1. After 48 hours of Season Shutdown Your TrueSTEAM humidifier has the built-in intelligence to a comfortable position. 69-2036EFS-07 26 There are a few house...