READ COMPLETE SAFETY INSTRUCTIONS AND INSTALLATION TEMPLATE BEFORE STARTING
ATTENTION INSTALLER:
This product must be installed by a qualified heating and air conditioning contractor. Failure to do so could result in serious injury from electrical shock. This product must be installed in compliance with all local, state and federal codes.
FAN POWERED HUMIDIFIER
WARNING
1. ELECTRICAL SHOCK HAZARD.
Disconnect electrical power to the furnace and install lock-out tag before starting installation. Failure to do so could result in serious injury from electrical shock.
2. SHARP EDGES HAZARD. Sharp
edges may cause serious injury from cuts. Use care when making plenum openings and handling ductwork.
3. RISK OF SCALDING. Water
temperature over 125°F can cause severe burns and scald instantly. Shut off the hot water supply before disconnecting or tapping into any hot water supply line.
CAUTION |
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SPECIFICATIONS |
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RISK OF PROPERTY AND EQUIPMENT DAMAGE. |
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HUMIDIFIER DIMENSIONS |
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1. Do not install humidifier where freezing temperatures |
5. Do not connect the humidifierpower cord to multi-speed |
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Width 15 29⁄32” |
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could occur. The water line could freeze and crack |
furnace blower motors or blower motors other than 120 VAC. |
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Height (including solenoid valve |
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causing water damage to the home. |
Premature component failure may result. |
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and drain spud) 18” |
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2. Do not install humidifier on the furnace cabinet. |
6. When installing Manual Humidifier Control on a downflow |
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Depth 1011⁄32” |
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3. Do not install humidifier on a plenum face where the |
furnace, ensure blower continues to run after a heat call is |
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satisfied to eliminate high temperatures from damaging the |
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PLENUM OPENING |
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blanked off ends of the cooling coil will restrict air |
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movement through the humidifier. |
Control. |
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143⁄4”W x 145⁄16”H |
7. Do not install humidifier where water pressure exceeds |
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4. Do not set humidity level above recommended or to |
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WATER FEED RATE |
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125 psi, since damage to the humidifier may result. Follow |
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recommended level if condensation exists on inside |
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codes in effect concerning pressure reduction. |
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6 gph |
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windows of any unheated space, as condensation |
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damage may result. Excess humidity can cause |
8. Do not install humidifier on the supply plenum where static |
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ELECTRICAL DATA |
moisture accumulation which can allow the possibility |
pressure exceeds 0.4 in. wg. |
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for mold growth in the home. |
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120 VAC-60 Hz, 0.8 AMP |
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WIRING DIAGRAMS
HumidiTrac™
Automatic Humidifier Control
For detailed Automatic Humidifier Control installation and wiring instructions, see Form IM-AHC-02 included with Control.
DIAGRAM C
THERMIDISTAT™ HOOK-UP WITH
ALL INDOOR EQUIPMENT
DIAGRAM A
STANDARD FURNACE VARIABLE SPEED FURNACE VARIABLE SPEED FAN COIL
HUMIDIFIER CORD PLUGGED INTO
120 VAC POWER SOURCE
C
HUM
24V COIL NORMALLY OPEN RELAY (FIELD SUPPLIED PART# HN61KQ120)
HUMIDIFIER
24 VAC LEADS
MANUAL
HUMIDISTAT
90-847
DIAGRAM B
STANDARD FAN COIL
HUMIDIFIER C ORD 
PLUGGED INTO 
120 VAC POW ER SOURCE
FURNACE / AC
BLOWER MOTOR
COMMO N LEAD
C 
HI 
LO 
HUMIDIFIER
24 VAC LEADS
MANUAL
HUMID ISTAT
CURRENT SE NSING RELAY
PART NO . P-110-005
90-848
DIAGRAM D |
DIAGRAM E |
ZONING HOOK-UP |
NEW COMMUNICATING CONTROL HOOK-UP |
WITH EQUIPMENT CONTROLLER |
WITH ALL INDOOR EQUIPMENT |
HUMIDIFIER
HUMIDIFIER CORD
PLUGGED INTO
120 VAC POWER SOURCE
THERMIDISTAT™
CONTROL
C
HUM
24V COIL NORMALLY OPEN REL AY
90-849
(FIELD SUPPLIED PART# HN61KQ120)
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HUMID IFIER |
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INDOOR |
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EQUIPMENT |
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UNIT |
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CONTROLLER |
HUMIDIFIER CORD |
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A |
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24 VAC |
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PLUGGED INTO |
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120 VAC POWER SOURCE |
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24 VAC |
B |
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LEADS |
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LEADS |
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C |
WARNING: |
HUM |
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D |
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DO NOT CONNECT |
INDOOR |
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FURNACE HUM |
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UNIT |
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90-850 |
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C |
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TERMINAL |
DIRECTLY |
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C |
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HUM |
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TO THERMIDISTAT |
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HUM |
TERMINAL |
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24V COIL NORMALLY OPEN REL AY |
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(FIELD SUPPLIED PART# HN61KQ120) |
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7310 West Morris St., Indianapolis, IN 46231 |
TEMPLATE MUST BE LEVEL |
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©2010 CAC/BDP |
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HUMID IFIER |
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HUMIDIFIER CORD |
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PLUGGED INTO |
24 VAC |
120 VAC POWER SOURCE |
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LEADS |
90-851
24V COIL NORMALLY OPEN RELAY (FIELD SUPPLIED PART# HN61K Q120)
INSTALLATION OPTIONS
Typical |
Alternate |
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Installation |
Installation |
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RETURN |
HOT WATER |
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RETURN |
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SUPPLY |
SUPPLY |
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90-921
Orientation of Humidifier
to Cooling Coils
BLANKED OFF
END OF COIL
90-922
COOLING COILS IN
WARM AIR PLENUM
Humidifier to be installed as shown in relation to cooling coils.
NOTES
1.The humidifier is not suitable for installation on ducts with horizontal airflow. Performance will be reduced.
2.When installing humidifier on a heat pump system, use hot water. The heated water supplements the reduced supply air temperature as added heat for evaporation.
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