Honeywell HE420A manual

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Table of contents for the manual

  • Page 1

    INST ALLA TION INSTRUCTIONS 69-1108-2 READ AND SA VE THESE INSTRUCTIONS HE420A Steam Power Humidifier APPLICA TION The HE420A Steam Power Humidifier uses a thermal fan interlock contro l to provide humi dification for th e whole house. Th e steam pow er humidifi er is desi gned to wor k with high effi ciency fur naces and heat pump s. INST ALLA TIO[...]

  • Page 2

    HE420A STEAM POWER HUMIDIFIER 69-1 108—2 2 Fig. 3. Mount h umidifier horizont ally under duct extension us ing mounting br acket. CAUTION Steam Co ndensation, Fire and Freez ing W ater Hazard. Can cause f ailure of fan or lim it contro l or result in water damage to home. • Do not install the humi difier where th e sidewalls of the r eturn air [...]

  • Page 3

    HE420A S TEAM POWER HUMIDIFIER 36 9 - 1 1 0 8 — 2 Mount Horizontally On Reinforced Duct This horizontal mounting method usually re quires duct reinforcement to support the wei ght of the humidifier and keep it level. The mounting bracket is not us ed. See Fig. 2. 1. Position the br acket to the bot tom of the d uct in the desired location . Be su[...]

  • Page 4

    HE420A STEAM POWER HUMIDIFIER 69-1 108—2 4 FINISH MOUNTING AND PLUMBING THE HUMIDIFIER 1. Mount the hu midifier as instru cted in the Se lect Location and M ount section . 2. Route the tubing to the humidif ier float valve. IMPORT ANT Keep the tub ing away fr om sharp edg es. 3. Connect the remain ing end of the tubing to the humidifier float val[...]

  • Page 5

    HE420A S TEAM POWER HUMIDIFIER 56 9 - 1 1 0 8 — 2 Installing the Humidistat to Opera te Manually 1. Locate th e three-pin arrang ement mar ked AUT O/ MAN protrud ing from the co ntrol board ( right of wir- ing connections). 2. Pull upward to remove th e black, two-pin connec tor from the auto p osition. Reinstall it in the ma nual position (on th[...]

  • Page 6

    HE420A STEAM POWER HUMIDIFIER 69-1 108—2 6 a. If set up corr ectly , the h umidifier will begin oper- ating. In “T est” mode , the humidistat will operate for approxim ately one minut e. b. If the humidifier does no t activate properly in “T est” mode, refe r to Append ix A. 4. Set the humidistat . Refer to Humidistat Operating Instructio[...]

  • Page 7

    HE420A S TEAM POWER HUMIDIFIER 76 9 - 1 1 0 8 — 2 APPENDIX A T able 3. Compensat ing Humidist at T roubleshoot ing Guide. PROBLEM SOLUTION NOTES Humidifier does not operate in “T est” mode. • Confirm the ou tdoor temperatur e sensor is connect ed to the co rrect ter minals on the humidistat. (For ma nual operation , ensure th e jumper pi ns[...]

  • Page 8

    HE420A STEAM POWER HUMIDIFIER Automation and Cont rol Solution s Honeywell Internatio nal Inc. Honeywell Limited-H oneywell Limitée 1985 Douglas Dr ive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough , Ontario M 1V 4Z9 customer.hone ywell.com ® U.S. Regi stered T rademark © 2006 Hone ywell Interna tional Inc. 69-1 108—2 M.S. Rev . 0[...]