Home Automation RC-80BZ User Manual

RC-80BZ Single Stage Heat/Cool

DESCRIPTION

The RC-80BZ is a precision digital thermostat designed for 24 VAC single stage heating and cooling systems.
It has the capability of being controlled both locally and by remote control over a Z-Wave network. It offers
programmability, stand-alone operation, and communications with automation systems, utility control systems,
or personal computers over a Z-Wave network. The RC-80ZB is equipped with a “cool blue” backlight display.

Electrical rating: 24 V; 3 A; 50/60 Hz
Maximum current: 2 A on any circuit, 3 A total
Thermostat operating current: less than 15 mA

The following requirements must be observed for installation in Europe: CE

1. This equipment must be installed in accordance with National wiring rules for the country in which it is

installed.

2. Fuses must be replaced only with IEC rated components.

3. All product labels, instructions and markings relating to safety must be translated to a language, which is

acceptable in the country in which this equipment is to be installed.

INSTALLATION

Before installing this thermostat:

1. Read all of the installation instructions carefully.

2. Read the Owner's Manual carefully.

3. Ensure that this product is suitable for your application.

4. Ensure that wiring complies with all codes and ordinances.

5. Disconnect power to the control transformer to prevent electrical shock and damage to equipment.

6. Select an appropriate location to ensure an accurate temperature reading.

Location

When replacing an existing thermostat, install the RC-80BZ in the same location. If the existing location
doesn't meet the following criteria, choose a new location to mount the RC-80BZ. When choosing a location
for the thermostat:

1. Ensure that the thermostat is mounted 5 feet above the floor and is at least 2 feet from an outdoor wall.

2. Ensure that the thermostat is located in an area where there is adequate air circulation.

3. Do not mount in the path of direct sunlight or of radiant heat generated by appliances.

4. Do not mount behind an outdoor wall, near a fireplace, or in the path of any air ducts.

Thermostat Installation Instructions

Document Number 13I00-60 / Rev A / May, 2007

Copyright © 1999-2007 Home Automation, Inc.

All Rights Reserved

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Removing an existing thermostat

1. Disconnect the power to the control transformer.

2. Remove the cover to the existing thermostat.

3. Disconnect the wires going to each terminal on the thermostat. Label each wire with the letter or number

at the terminal.

4. Remove the existing plate or base from the wall.

MOUNTING

When mounting the RC-80BZ, grasp the thermostat by the sides, avoiding the keys, and unsnap the base from
the face.

Holding the base to the wall so that the word "TOP" is upright and facing you:

1. Mark the two mounting holes on the wall using a pencil.

2. Drill a hole using a 3/16" bit at each mounting hole marking.

3. Install the two wall anchors supplied.

4. Slide the system wires through the opening in the base.

5. Mount the base to the wall using the two #6 x 1/2" self-tapping screws supplied - See Figure 1.

Figure 1

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Connect each wire to the terminal strip on the thermostat base per the wiring diagram for your system
application - See Figures 4 - 8.

Form the thermostat wiring so that the cable lies flat between the terminal strip and the center of the base.

Upon completion of wiring the thermostat, push all excess wiring into the hole in the wall. Plug the hole with
the supplied insulating foam to ensure an accurate temperature re ading by the thermostat.

Align the tabs of the thermostat face with the slots of the thermostat base. Gentl y push the thermostat face into
the thermostat base locking it into place - See Figure 2.

Figure 2 Figure 3

Note:

Be sure that the thermostat temperature sensor is standing up, and that it has not been damaged during
installation - See Figure 3.

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TYPICAL WIRING DIAGRAMS

Be sure to disconnect the power to the control transformer before removing or installing thermostat.

Do not short gas valve, fan, heat relay, or cool relay...even momentarily. This will blow a non-replaceable fuse.

Do not attempt to hook up to live circuits. An accidental connection to a component on the thermostat circuit
board could cause damage to the thermostat.

CAUTION:

Figure 4 - Thermostat power-up for test or demonstration purposes

Note: As a convenience to the installer, the compressor start up protection delay can be canceled. To cancel

the delay, press the Prog key 3 times, then press the Fan key 2 times.

Common wire is required in “heat only” applications

Figure 5 - Single stage heat only thermostat

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Common wire is required in “cool only” applications

Figure 6 - Single stage cool only thermostat

* Common wire is required to use the display backlight in th e RC-80ZB. Also use
if heat, cool, or fan relay cannot supply 15mA to power thermostat, without activating.

Figure 7 - Single stage heat/cool thermostat

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