Honeywell TrueSTEAM Manuale utente

Must be installed by a trained, experienced technician

Read these instructions carefully. Failure to follow these instructions

can damage the product or cause a hazardous condition.

TrueSTEAMTM

Operating Manual

69-2035EFS-01

About your new humidifier

TrueSTEAM controls........................................................................................ 1

Maintaining ideal humidity .............................................................................. 2

TrueSTEAM function and operation ............................................................... 3

Setting the controls......................................................................................... 4

Specifications .................................................................................................. 5

Maintenance and operation

LED light indicators.................................................................................................6

Cleaning and maintenance .....................................................................................7

Seasonal or vacation maintenance ........................................................................8

DIP switch setting ...................................................................................................9

Troubleshooting and repair

Parts list.................................................................................................................10

Homeowner troubleshooting ................................................................................11

Professional HVAC technician troubleshooting...................................................12

Limited warranty....................................................................................................16

Read and save these instructions.

Need Help?

For assistance with this product please visit http://yourhome.honeywell.com

or call Honeywell Customer Care toll-free at 1-800-468-1502

Table of contents

® U.S. Registered Trademark.

Patents pending.

TrueSTEAM Direct-Injection Humidifier

1 69-2035EFS—01

About your new thermostat

Congratulations on your new humidifier. Your Honeywell TrueSTEAM direct-injection humidifier

provides the high performance and efficiency of steam humidification with easier maintenance

than traditional humidifiers.

Benefits

• Actually controls your equipment for maintaining desirable humidity levels in your home

year-round.

• Requires less water, reducing usage up to 70% when compared to flow-through

humidifiers.

TrueSTEAM comes with one of the following control packages:

About your new humidifier

VisionPRO IAQ Total Comfort System YTH9421C1002

• Controls both temperature and TrueSTEAM.

• Sensor for displaying outdoor temperature.

• Intuitive user interface for easy 7-day temperature

programming.

• Easy-to-read backlit digital display.

• Maintenance and service reminders.

• Controls other air quality equipment when you’re

ready.

TrueIAQ Digital Control DG115EZIAQ

• Automatic adjustments maintain ideal humidity.

• Sensor for displaying outdoor temperature and

humidity.

• Shows actual humidity and desired setting.

• Maintenance and service reminders.

• Controls other air quality equipment when you’re

ready.

Manual Control H8908ASPST

• Manual control with intuitive comfort settings.

• Integrated humidity chart for accurate control in

changing conditions.

Operating Manual

69-2035EFS—01 2

Maintaining ideal humidity

Optimal Relative Humidity (RH) is defined by industry experts* as between 40-60% RH on an

average annual basis, and 35% during the heating season in dry climates. An environment with

too little humidity leaves the body vulnerable to viruses and bacteria, and can cause woodwork

in the house to shrink and crack. On the other hand, too much humidity creates ideal conditions

for mold and mildew growth.

Proper indoor humidity can also help you save money on energy bills. When maintained proper-

ly, your equipment won’t have to run as much because humidified air feels warmer in the winter.

* American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE)

M24780

0 10 20 30 40 50 60 70 80 90 100

OPTIMUM

ZONE

Bacteria

Viruses

Fungi

Mites

Respiratory

Infections

Allergic Rhinitis

and Asthma

Chemical

Interactions

Ozone

Production

ASHRAE recommeded winter design level

TrueSTEAM Direct-Injection Humidifier

3 69-2035EFS—01

M24784

TrueSTEAM function and operation

Your TrueSTEAM humidifier provides the highest capacity and most efficient steam humidifica-

tion for whole-house residential applications.

The patented Condensate

Collect Dome and beveled nozzle

keep water in the tank, delivering

only true steam into your duct’s

airflow.

Sediment screen

keeps the tank clean

for a longer period of

time, reducing main-

tenance and ensuring

optimum perfor-

mance.

Wiring to your HVAC equipment

allows TrueSTEAM to supply humidity

when you need it by turning on your

equipment automatically.

LED light feedback allows you to

monitor performance, giving you

total control and peace of mind.

True steam provides your home with high-

capacity true humidity, while using up to 70%

less water than flow-through humidifiers.

Snap-lock latch allows

for quick, easy main-

tenance.

Automatically fills with

water and drains when

needed, so you don’t have

to remember to do it.

Operating Manual

69-2035EFS—01 4

With automatic controls like TrueIAQ and VisionPRO

IAQ, you need only calibrate this setting once. The

automatic feature will adjust by itself as outdoor condi-

tions change, based on your initial settings. After set-

ting your auto control to the desired RH% level, check

for condensation or frost forming on windows on the

first cold day. If present, adjust your frost settings on

the control (see control owner’s manual if needed).

The Window Frost Protection feature protects your

home by limiting humidity output based on outdoor

conditions (for example, on colder days, your home can hold less humidity).

Frost Settings should be lowered by one value each morning that you see frost or condensa-

tion on windows. Allow 24 hours for the adjustment to take affect. Once you have this set to a

comfortable level without condensation forming, you will not need to adjust this again. You can

adjust your humidity settings without worrying about condensation.

With Manual Humidity Controls—such as the H8908—you

will need to adjust your RH% settings each time the outdoor

conditions change (more humidity with warmer outdoor con-

ditions, lower humidity with colder conditions). These con-

trols provide accurate operation, but require more hands on

adjustment. These controls are a good choice for homeown-

ers who desire continuous interaction with humidity settings.

Setting the controls

The colder it is outside, the less humidity can be retained by the air. Initially setting your humidi-

stat to ideal comfort levels will help your TrueSTEAM deliver optimal humidification. The table

below provides suggested control settings based on outdoor conditions.

M24830

123456789

LESS HUMIDITY

LOOSE HOME/SINGLE-PANE WINDOWS

MORE HUMIDIT

TIGHT HOME/TRIPLE-PANE WINDOWS

You may experience that your home needs

humidity levels to be slightly higher or lower

than the suggested levels given in the table, in

order to prevent window condensation or dry-

ness. This is because your home is unique in

size, shape, building tightness, and age. These

variables play an active role in how your indoor

humidity fluctuates. Use the table as a start-

ing point, but adjust according to your comfort

and observations of condensation.

Outdoor

Temperature

Recommended RH %

Setting

-20°F (-29°C) 15%

-10°F (-23°C) 20%

0°F (-18°C) 25%

10°F (-12°C) 30%

20°F (-7°C) 35%

>20°F (-1°C) 40%

TrueSTEAM Direct-Injection Humidifier

5 69-2035EFS—01

Install TrueSTEAM according to National Electric Codes.

Capacity:

HM512: 12 gallons per day (gpd) (45 liters per day [lpd])

HM509: 9 gpd (34 lpd)

HM506: 6 gpd (23 lpd)

Humidified Area:

House Description Air Changes Per Hour HM512 HM509 HM506

Loose Two 2000 sq. ft. 1300 sq. ft. 1000 sq. ft.

Average One 2500 sq. ft. 1800 sq. ft. 1500 sq. ft.

Tight One-half 3000+ sq. ft. 2500 sq. ft. 2000 sq. ft.

Weight:

Model Empty Filled with Water

HM512 9 lbs. 15 lbs.

HM509 9 lbs. 14.5 lbs.

HM506 8 lbs. 12 lbs.

Dimensions: 11-1/4 in. W x 19 in. H x 9 in. D

Humidifier Operating Temperature Range: 34ºF–104ºF (1.1ºC–40ºC)

Remote Hose/Nozzle Operating Temperature Range: -50ºF–250ºF (-46ºC–121ºC). Meet this spec-

ification if purchasing hose off-the-shelf.

Operating Humidity Range: 0–95% RH, non-condensing

Drain Hose Operating Temperature Range: 34ºF–212ºF (1.1ºC–100ºC)

Electrical Ratings and Tolerances

Specifications

Input Ratings

• Power Supply: 120VAC +10/ -15%, 60Hz

- HM512: 1440W at 120VAC at full load

- HM509: 1200W at 120VAC at full load

- HM506: 840W at 120VAC at full load

• HM512: 12A, 120VAC

• HM509: 10A, 120VAC

• HM506: 7A, 120VAC

• 15A, 120VAC interlock switch

• Thermostat/HVAC power monitor (R to

C): 10mA resistive at 24VAC

• Field wiring terminals: 18–22 ga. solid

• HVAC power/airflow monitor: 10 mA

resistive at 24 VAC

Output Ratings

• Relay output contacts:

- Fan: 1.5A full load, 7.5A locked rotor

at 24VAC

- Heat and Backup: 15A resistive at

120VAC

• Fill Solenoid: 0.1A at 120VAC, 0.5 PF

• Drain Solenoid: 0.1A at 120VAC, 0.5PF

• Humidistat output contacts: 10mA

resistive at 24VAC

• Humidistat power supply: 100mA at

24VAC

Standards & Approval Body Requirements

Underwriters Laboratories: UL998, File no. E185662.

Federal Communications Commission: Class B compliance, File no. YU555.

Tested to ARI standard 610 and ASHRAE 62.2 for performance rating of central system humidi-

fier for residential applications. Intended to be used in accordance with the National Electrical

Code (NEC), ANSI/NFPA 70, and the rules of the Canadian Electrical Code (CEC), Part 1, C22.1.

Operating Manual

69-2035EFS—01 6

LED light indicators

The LED light panel on the TrueSTEAM lets you know that the humidifier is operating correctly,

when maintenance is needed, and when it is safe to remove the tank for cleaning. The push but-

tons allow the tank to be drained for cleaning, and quickly return to operation when the tank is

reattached to the humidifier.

Power indicates the TrueSTEAM is plugged in and that the humidifier is

ready for operation.

Humidifying indicates that steam is being delivered to the home.

Clean Tank: This LED blinks to indicate the TrueSTEAM is draining when

you press the EMPTY button. When the light is on solid (not blinking), the

tank is empty and safe to remove for cleaning.

Call Service is a fault indicator. Call your HVAC technician to service the

humidifier. HVAC technicians: Refer to page 12 for fault identification and

troubleshooting.

Press Reset will blink when power is applied or reapplied (upon initial

installation or after cleaning). This is a stand-by mode to ensure water

lines are hooked up properly before unit resumes operation. This will blink

for 5 minutes before going to system ready. The 5-minute default can be

overriden by the installer by pressing the RESET button.

Press Empty will blink to indicate that the water tank needs cleaning. Push

the EMPTY button to drain the tank for safe removal and cleaning.

Reset Button If the Press Reset light is blinking, press the RESET button to

override the 5-minute delay at startup. If the Call Service LED is on (fault is

present), press/release the RESET button to blink a diagnostic code on the

Call Service LED. Press/Hold the button for 5 seconds to clear all faults and

reset “Clean Tank” timers. If the Press Empty LED is blinking, press/hold the

RESET button for 5 seconds to turn off the Press Empty LED and restart the

Clean tank timer.

Empty Button will drain the tank of water when pushed. Do this before

servicing the tank and internal parts.

POWER

HUMIDIFYING

CLEAN TANK

CALL SERVICE

PRESS RESET

PRESS EMPTY

RESET

EMPTY

SEE LABEL BELOW !

M24763

TrueSTEAM Direct-Injection Humidifier

7 69-2035EFS—01

About your new thermostatCleaning and maintenance

Warning: Scalding hazard.

Do not attempt to remove the humidifier from the mounting bracket during operation, or

the humidifier’s water tank when full of water. The heating element could be hot when

tank is removed. Failure to comply could result in severe scalding or death.

To clean TrueSTEAM:

1. Press the EMPTY button. Wait for the CLEAN TANK light to be on solid (not blinking).

2. Turn the manual shut-

off valve at the bottom

of the tank to the

“Unlock” position.

Maintenance is made simple with the TrueSTEAM—just remove the water tank for cleaning.

EMPTY

M24774

CLEAN TANK

(BLINKING LIGHT)

M24775

M24777

M24778

M24779

4. Firmly grip the tank

bottom. Push down the

cover's safety button and

pull the latch forward to

release the tank.

Note: Latch does not come

off humidifier with tank.

3. Grip the white water

valve arm and slide it

back within the bracket

to disengage from the

tank.

M24776

CLEAN TANK

(ON SOLID)

Wait Go to Step 2

Operating Manual

69-2035EFS—01 8

About your new thermostat

Seasonal or vacation maintenance

TrueSTEAM has the built-in intelligence to shut down when humidity is not needed for an

extended period. After 48 hours of inactivity, TrueSTEAM will drain its tank and remain empty

until it is needed again. This prevents water from stagnating within the tank. There are a few

house-cleaning steps to follow to keep your TrueSTEAM at peak efficiency:

1. Follow steps 1–6 in the Cleaning section on pages 7–8 at least once per year, or when the

Press Empty light is blinking.

2. Clear ventilation holes in the humidifier’s cover.

3. Clear the water drain tube.

4. Make sure the water tank gasket seal is not cracked or split before reattaching the

humidifier water tank.

5. Check that the humidifier is still level.

Extended Vacation

When you leave on extended vacations, it is recommended you turn off the humidifier’s water

supply and turn off the humidity control. When you return, turn on the humidifier water supply and

reset your humidity control to a comfortable position.

5. Use tap water to flush loose minerals

from the tank. Sediment screen at

tank's bottom is removable. For a more

thorough cleaning, soak tank in warm,

soapy water, then rinse clean. Tank is

also dishwasher-safe.

Cleaning and maintenance

M24856

M24857

6. Carefully rub minerals off of the heating

element and reservoir walls. Scouring

pads suitable for non-stick pots or pans

are suitable for cleaning the TrueSTEAM

reservoir walls and components within the

tank.

Sediment screen

Once clean, reattach tank by securing the latch. Engage the water valve to the cam shaft, and

“Lock” the shut-off valve. The “Press Reset” light will blink at start-up. Push the RESET button

to ready the humidifier.

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