Carrier HUMCCLFP1025-A manual

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Table of contents for the manual

  • Page 1

    Humidifiers and Humidistat Installation, Start-Up, and Operating Instructions NOTE: Read the entire instruction in manual applicable to specific unit before starting the installation. This symbol → indicates a change since the last issue. SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service, maintenance, or use can cause e[...]

  • Page 2

    Step 1—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: 1. Humidifier and media assembly 2. Humidistat 3. Template 4. Owner’s Manual 5. Warranty Certificate 6. Solenoid valve with bridge rectifie[...]

  • Page 3

    Step 7—Make Water Connection If garden hose is not used for water supply: 1. Mount saddle valve on water line according to instructions supplied with valve. 2. Run 1/4-in. diameter (water line grade) tubing from saddle valve to adapter on solenoid valve and tighten compression fittings. IMPORTANT: If water pressure is higher than normal (60 psi),[...]

  • Page 4

    Remember to provide clearance for maintenance and evaporator pad removal. To access pad remove top or bottom cover to expose assembly (turn knob counter-clockwise). Step 3—Prepare Plenum Opening (See Fig. 2.) 1. Use template for marking humidifier opening. 2. Tape in place on plenum making sure template is level. IMPORTANT: For humidifier to oper[...]

  • Page 5

    7. Saddle valve assembly with adapter 8. Four sheet metal screws 9. Foam tape 10. Noise suppressor (use for water pressure over 60 psi) 11. Worm clamp for field-supplied drain tube 12. Humidifier maintenance instruction sticker 13. Carrier logo label Step 2— Select Location (See Fig. 7.) Humidifier must be installed on supply plenum only. If furn[...]

  • Page 6

    Step 6—Mount Solenoid Valve The water solenoid valve should be mounted on top of humidifier enclosure. 1. To mount solenoid on top, see Fig. 10. a. Firmly press valve into the top inlet hole on enclosure. Seat valve flush against inlet hole. 2. If alternate mounting of solenoid is required, see Fig. 11. a. To mount solenoid on side, use 3/8-in. I[...]

  • Page 7

    Step 1—Inspect Package and Check Equipment Inspect the contents of packaged humidifier. File claim with shipping company prior to installation if shipment is damaged or incomplete. The package should contain: 1. Humidifier and media assembly 2. Humidistat 3. Template 4. 6-in. damper 5. Owner’s Manual 6. Warranty Certificate 7. Solenoid valve wi[...]

  • Page 8

    Step 5—Install Bypass Duct Attach field-supplied 6-in. diameter duct, elbow, or starting collar with field-supplied 1/4-in. zip screws. Install supplied 6-in. damper in 6-in. duct connector. IMPORTANT: On systems with central cooling, the damper should be closed during cooling season to prevent bypass air. Do not support weight of bypass duct fro[...]

  • Page 9

    Step 3—Prepare Plenum Opening (See Fig. 2.) 1. Use template for marking humidifier opening. 2. Tape in place on plenum making sure template is level. IMPORTANT: For humidifier to operate properly it must be level and mounted on a vertical surface. 3. Drill four 1/8-in. holes in plenum. 4. Cut opening in plenum using heavy solid lines on template [...]

  • Page 10

    compression fittings. Plastic compression nut supplied with float valve should not be torqued greater than 25 in.-lb. For copper tubing installations: copper tubing may be connected to float valve by using a field-supplied 1/4 to 1/4 in. straight- through compression union. Run copper tubing to 1 side of compression union and use a standard compres[...]

  • Page 11

    5. Mount case horizontally over wires directly to wall using 2 long screws provided. 6. Replace faceplate and knob. Step 2—Duct Mounting (Low Voltage) 1. Locate humidistat at least 8 in. upstream of humidifier in return-air duct. If mounting near elbow area, keep device 6 in. upstream of elbow so element will be affected by normal airflow. (See F[...]

  • Page 12

    Step 5—Operation When relative humidity falls to humidistat set point, the humidistat switch makes contact and starts humidifier. In some central unit humidifier systems, furnace fan must be operating before humidi- fier will start. An increase in relative humidity above set point will stop humidifier. Step 6—Checkout Place system in operation [...]