Honeywell W8635A Installation Instructions Manual

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Brand: Honeywell

Category: Thermostat , Water Heater

Type: Installation instructions manual for Honeywell W8635A

Pages: 6 (0.14 Mb)

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® U.S. Registered Trademark
Copyright © 2000 Honeywell Inc. • • All Rights Reserved
INSTALLATION INSTRUCTIONS
69- 1339- 2
W8635A
Equipment Interface Module
APPLICATION
The W8635A Equipment Interface Module (EIM) pro-
vides 24 Vac control of single or multistage conventional
HVAC equipment when used with a T8635L Microelec-
tronic Communicating Programmable Thermostat. The
W8635A can be used with up to 2 heat/2 cool conven-
tional applications. See Table 1.
Table 1. Description.
INSTALLATION
When Installing this Product…
1.
Read these instructions carefully. Failure to follow
these instructions can damage the product or
cause a hazardous condition.
2.
Check the ratings given in the instructions and on
the product to make sure the product is suitable for
your application.
3.
Installer must be a trained, experienced service
technician.
4.
After completing installation, use these instructions
to check out the product operation.
CAUTION
Voltage Hazard.
Can cause electrical shock or equipment
damage.
Disconnect power before supply before beginning
installation.
Location
CAUTION
Mounting Location Hazard.
Mounting W8635A inside HVAC equipment
can damage the EIM.
Mount the W8635A only on the outside of HVAC
equipment.
1.
Locate the W8635A in the equipment room near
the HVAC equipment. See Fig. 1.
Fig. 1. Selecting W8635A Equipment
Interface Module location.
2.
Remove the cover from the W8635A by pulling on
the edge of the module.
3.
Locate the two mounting holes. See Fig. 2.
Model Application Stages Terminals Comments
W8635A Conventional gas, oil
or electric heat
Up to 2 heat/
2 cool
1, 2, 3, C, R, Rh, Rc,
G, W1, W2, Y1, Y2
Use with T8635L Communicating
Thermostat
M16637A
WATER HEATER
W8635
POSSIBLE
MOUNTING
LOCATION
FURNACE OR BOILER
W8635
POSSIBLE
MOUNTING
LOCATION