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installation and
HUM
start-up instructions
HUMIDIFIERS AND
HUMIDISTAT
Cancels: II 912D-56-3 II HUM-56-1
7-98
MODEL HUMBBLFP1025-A--
FAN-POWERED
HUMIDIFIER
MODEL HUMBBSFP1016-A--
FAN-POWERED
MODEL HUMBBLBP2018-A--
HUMIDIFIER
BYPASS HUMIDIFIER
MODEL HUMBBWTR2019-A--
MODEL HUMBBSBP2017-A--
WATER-SAVER
BYPASS HUMIDIFIER
A98361
→ Humidifiers
NOTE: Read the entire instruction in manual applicable to
WARNING: Before installing or servicing system, al-
specific unit before starting the installati
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→I. INSPECT PACKAGE AND CHECK EQUIPMENT
Inspect contents of packaged humidifier. File claim with shipping company prior to installation if shipment is damaged or incom- plete. The package should contain: TEMPLATE 1. Humidifier and media assembly PLENUM 2. Humidistat LEVEL 3. Template 4. Owner’s Manual 5. Warranty Certificate 6. Solenoid valve with bridge rectifier 7. Saddle valve assembly with adapter A97096 8. Four sheet metal screws Fig. 2—Preparing Plenum Opening 9. Foam tape IMPORTANT: For
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IX. START-UP HUMIDIFIER HUMIDISTAT BROWN 24VAC
1. Open saddle valve to permit water flow to the solenoid. BROWN FURNACE 2. Check all connections for water leaks. 3. Set thermostat to call for heat. Set humidistat for highest humidity setting making sure contacts are closed. After a few minutes of operation, check the drain connection for leaks and to see if water is flowing through humidifier. TRANSFORMER
(FIELD SUPPLIED) HUMIDIFIER HUMIDISTAT 4. Reversethermostatandhumidistatsettingstoinsurep
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HUMIDIFIER HUMIDISTAT RED RED 24VAC
BLU FURNACE "N" COIL BLUE 115V FIELD WIRING
FAN TYPE UNITS ONLY TRANSFORMER
(FIELD SUPPLIED) HUMIDIFIER HUMIDISTAT RED 115V
24V FIELD
BLU WIRING 115V FIELD WIRING
VERTICAL HORIZONTAL FAN TYPE UNITS ONLY A98366 A96010 → Fig. 5—Installation of HUMBBLFP1025-A-- Fig. 6—Installation of Humidistat Fan-Type Humidifier on Fan-Type Humidifier 2. Run 1/4-in. diameter (water line grade) tubing from saddle II. SELECT LOCATION (SEE FIG. 5.) valvetoadapteronsolenoidva
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INSTALLATION OF HUMBBSFP1016-A-- 3. Rotate lower mounting base 180 degrees, so side access FAN POWERED HUMIDIFIER door is now on left. Bryant’s HUMBBSFP1016-A-- fan powered humidifier can only 4. Snap together top assembly to mounting base and reinstall beinstalledonthesupplyplenumofaforced-airsystem.Thisunit screws. requires an external 115-vac (fused) plug-in receptacle near the 5. Replacemediapadassembly(withdistributorreservoirup) equipment for proper operation. and side access door. It is r
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SOLENOID
TUBING VALVE ENCLOSURE
INLET HOLE INLET HOLE SEAT
HOUSING
SOLENOID
ENCLOSURE VALVE
FLUSH
AGAINST
INLET POSITION TUBING
INSIDE INLET HOLE
(CUT LENGTH
A97107 IF REQUIRED) Fig. 10—Top Mounting of Water Solenoid Valve IV. MOUNT THE HUMIDIFIER 1. Attach foam tape to back of mounting flange (exclude the off-set edge). 2. Hook off-set edge over opening cut in plenum. 3. Place humidifier in plenum aligning screw holes with A97099 flange. Fig. 11—Alternate Mounting of Solenoid
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INSTALLATION OF HUMBBSBP2017-A-- BYPASS UNITS BYPASS HUMIDIFIER Bryant’sHUMBBSBP2017-A--bypasshumidifiercanbeinstalled on either the supply or return plenum of a forced air system. This unit requires an external bypass duct between the supply- and "N" COIL return-air ductwork. It is recommended to install the humidifier where it can be easily serviced. If this humidifier is installed with a central cooling ACCESS
systemthebypassductmusthaveashutoffdampertocloseduring DOOR the cooling season. Al
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5. Attach transfer tube to solenoid valve and insert free end NOTE: Wiring must comply with National Electrical Code and into inlet fitting on top of unit housing. any local codes or ordinances that may apply. 6. Attach bridge rectifier to solenoid valve. IX. START-UP 7. Insert sheet metal screws into lower holes in plenum, 1. Open saddle valve to permit water flow to the solenoid. pre-drilled using template. 2. Check all connections for water leaks. 8. Tightenscrewsuntilheadsprotrudeapproximate
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II. SELECT LOCATION (SEE FIG. 14.) 8. Re-install media assembly. Ensure that square shaft of media assembly is located inside mating opening of motor BYPASS UNITS coupling. Ensure that bearing washer is located on interior side of bearing retainer. (See Fig. 15.) →V. INSTALL BYPASS DUCT Attach field-supplied 6-in. diameter duct, elbow, or starting collar withfield-supplied1/4-in.zipscrews.Installsupplied6-in.damper in 6-in. duct connector. "N" COIL IMPORTANT: On systems with central cooling, the
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GASKET FLOAT
PIN ARM RETAINER BEARING 1 VALVE BODY ⁄2 IN. LONG
SCREW VALVE SEAT WASHER 1 ⁄4 IN. BLUNT
SUPPORT
POINT SCREW BRACKET (LEFT HAND INSTALLATION SHOWN) FLOAT VALVE ASSEMBLY REINSTALLING MEDIA ASSEMBLY A98370 → Fig. 15—Valve and Media Assembly for HUMBBWTR2019-A-- VIII. INSTALL HUMIDISTAT AND COMPLETE WIRING b. If installed during heating season, set unit for normal operation. 1. Mount humidistat on inside wall or return-air duct in accordance with section INSTALLATION OF HUMIDIS- TA
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2. Remove protective backing from template furnished with MOUNTING HOLES eachcontrolandapplyself-adhesivesideonreturnairduct atselectedlocation.Followinginstructionsontemplateand in Fig. 21, drill 2 mounting holes and six 1/4-in. diameter sensing holes in duct. Sensing holes allow return air to reach nylon sensing element and operate humidistat. NOTE: Ifdesired,cutsquareholeinductasindicatedontemplate as an alternative to holes. 3. Removeprotectivebackingfromfoamgasketprovidedwith control and ap
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MAKE OPENING IN DUCT MOUNT HUMIDISTAT CASE MOUNTING TEMPLATE FOAM GASKET CASE DRILL SIX 1/4 IN.
DIAMETER HOLES ALTERNATE PROCEDURE: MOUNTING SCREWS (2) A97105 Fig. 21—Humidistat Installation Schematic RECOMMENDED HUMIDISTAT SETTING V. OPERATION OUTSIDE RECOMMENDED Whenrelativehumidityfallstohumidistatsetpoint,thehumidistat TEMPERATURES HUMIDISTAT SETTING switch makes contact and starts humidifier. In some central unit -20°F 15% humidifier systems, furnace fan must be operating before humidi-
