Aprilaire 700 Application Manual

Aprilaire humidifiers can be installed on many different types of HVAC equipment and controlled to provide optimum humidity levels for each
®
application. This Application Guide is to assist installers in selecting which Aprilaire humidifier is appropriate for a particular application and
how to configure the controls to deliver optimum humidity.
To use this guide, select the application (type of HVAC equipment) and humidifier model then turn to the appropriate reference page. The
reference pages will give you guidelines for installation, when and how to use blower activation, and how to connect third party controls.
Page Application
Gas or Electric
3
Heat
Air Handling Unit
6 Boiler
with accessible
supply and return
9 Heat Pump
12 Air Conditioning
No forced air
15
system
Air Handling Unit
16
with no return duct
19 configurations and
wiring diagrams
ITeMS noT FuRnISHed
Mounting screws (sheet metal screws)
Water supply line (1/4" OD copper)
18AWG low voltage wire
Bypass duct (bypass units only)
Model 50 or 4851 relays (to be used with manual humidistats only)
*See Installation Instructions for more information
note:
• Do not install where freezing temperatures can occur.
• Installation must be done by qualified contractor.
• Installations must conform to local codes.
Plenum
Temperature (°F)
120-140
120-140
90-100
plenums
Below 90
Alternate
Humidifier Application Guide
Recommended
Model Series
Automatic
400, 500, 600,700, 800 60, 62, 8910, 8620
400, 500, 600,700, 800 60, 62, 8910, 8620
400, 500, 600,700, 800 60, 62, 8910, 8620
800 and 800 with 850
62, 8910, 8620
Fan Pack
800 with 850 Fan Pack 8910, 8620
700, 800 60, 62, 8910, 8620
400, 500, 600, 700, 800
ToolS needed
1/2" and 7/16" combination wrench
1/8" by 2" flathead screw driver
Tin snips
Wire stripper
Control
Manual
65, 4655 with model
50 or 4851
65, 4655 with model
50 or 4851
65, 4655 with model
50 or 4851
65, 4655 with 4851
and 8024
65, 4655
65, 4655 with model
50 or 4851
60, 62