Honeywell HE 300 User Manual

69-2413EF-01
Humidifier
PROFESSIONAL INSTALLATION GUIDE
INCLUDED IN THIS HUMIDIFIER BOX
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Wire cutter/stripper
Tin snips or sheet metal cutter
#8 hex nut driver
Standard screwdriver
18-gauge wire (up to 5 conductor)
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If floor drain is not available, refer to Appendix B for
additional plumbing parts consideration.
If installed in or above a finished space, Honeywell
recommends installing a drip pan with water
sensor shut-off.
A
1
Humidifier Bypass
A
2
Humidifier Fan
Saddle valve
Water supply line
Drain hose (10 feet)
E
Owner’s manual
F
Mounting template
G
H8908 manual humidity control
Hardware (not pictured)
Additional accessories included in select
models
E
A
1
A
2
F G
GETTING
STARTED
MOUNTING PLUMBING WIRING APPENDICES
OPERATION
AND SERVICE
Replacement Table
Humidifi er Honeywell® Aprilaire® GeneralAire®
HE100 and HE150 HE225 50 570
HE200 and HE250 HE265 600 900
HE300 HE365 700 1000

Honeywell HE 300 Specifications

General

Brand	Honeywell
Model	HE 300
Category	Humidifier
Language	English

Summary

GETTING STARTED

Safety Definitions and Precautions

Key safety terms and hazard warnings for humidifier installation and operation.

Critical Installation Requirements

Essential requirements to ensure proper installation and avoid warranty issues.

PLUMBING CONNECTIONS

Water Supply and Drain Setup

Connecting the water supply line and preparing for drain connection.

Drain Hose Connection to Floor Drain

Steps for connecting the drain hose to the floor drain according to codes.

WIRING PROCEDURES

Pre-Wiring Safety and Preparation

Essential safety precautions and pre-wiring checks for the humidifier.

Understanding Humidifier Wiring Terminals

Explanation of terminal functions on different humidifier models.

DIP Switch Configuration Settings

Advanced Model Wiring Configurations

Basic Model Wiring Configurations

OPERATION AND MAINTENANCE

Startup and Post-Installation Checkout

Humidifier Troubleshooting Guide

Common humidifier issues, their causes, and recommended solutions.