Aprilaire 1750A, 1770A installation instructions Safety Instructions, Table of Contents

Model 1750A/1770A Dehumidifier

Installation Instructions

Safety Instructions

WARNING

1.Improper installation may cause property damage or injury. Installation, service, and maintenance must be performed by a qualified service technician.

2.120 Volts may cause serious injury from electric shock. Disconnect electrical power before starting installation or servicing. Leave power disconnected until installation/service is completed.

3.Sharp edges may cause serious injury from cuts. Use care when cutting plenum openings and handling ductwork.

4.Dropping may cause personal injury or equipment damage. Use tools or two people to transport dehumidifier.

CAUTION

1.Read all instructions before beginning installation.

2.Do not use in pool applications. Pool chemicals can damage the dehumidifier.

3.Do not use solvents or cleaners on or near the circuit board. Chemicals can damage circuit board components.

4.Wait 24 hours before running if the unit has not been shipped or stored in the upright position.

Table of Contents

Safety Instructions		. 1. . . . Installation. . . . . . . Configurations. .
Overview	. . . . . . . . . . . . . . . . . . . .		Whole-Home Installation		. . .	.	. .	6
			.2		. . .	.	.	. 8
Specifications			Spot Installation
			. 3	. . . . . . 10
			Convertible Installation
Unpacking and Contents . .	. . . . . . . . . . . . . . . . . . . .		3	. . . . . .12
			Ventilation or Air Cycling
Location Considerations			. 4	. . . . . 16
			Model 70 Living Space Control
Mechanical Installation			Third-Party Control		. . .	.	.	17
Duct Collars & Backflow Damper		.	5					18
Ductwork Recommendations	. . . . . . . . . . . . . . . . . . .	.	System Checkout		.. .. .. .. .. ..		..
			5
Drain	. . . . . . . . . . . . . . . . . . . .		.6. . . Troubleshooting		. . .	.	.	19
Float Switch	. . . . . . . . . . . . . . . . . . . .		.6

READ AND SAVE THESE INSTRUCTIONS