Braeburn 1025NC User manual

This thermostat requires 24 Volt AC Power or two (2) properly installed

“AA” Alkaline batteries for proper operation. When connecting 24 Volt

AC Power the batteries may be installed as a backup.

For use only as described in this manual. Any other use

will void warranty.

1025NC

Single Stage Heat Only

Speciﬁcations

About Your Thermostat

Installation

System Testing

Setting User Options

Operating Your Thermostat

Thermostat Maintenance

Warning

Turn off power to the heating equipment

before installation.

Attention

For installation by experienced service

technicians only.

Read all instructions before proceeding.

This thermostat is compatible with:

• Single stage heat only systems

• 250 – 750 millivolt heat only systems

• 2 or 3 wire hydronic zone systems

Electrical and control speciﬁcations:

• Electrical Rating: 24 Volt AC

• 1 amp maximum load per terminal

• AC Power: 18 – 30 Volts AC

• DC Power: 3.0 Volt DC (2 “AA” Alkaline Batteries Included)

• Control Range: 45° – 90° F (7° – 32° C)

• Temperature Accuracy: +/- 1° F (+/- .5° C)

Terminations

• 1025NC – R, G, W1, V3, C

Speciﬁcations

1025NCW-100-04

Non-Programmable

Thermostat

Model number is located on back

of thermostat

Detailed

User Guide

Single Stage Heat Only

Setting User Options

Operating Your Thermostat

Thermostat Maintenance

For installation by experienced service

technicians only.

About Your Thermostat

Room Temperature...........Displays the current room temperature

Reset Button.....................

Resets thermostat back to factory defaults

Low Battery Indicator ......Indicates when the batteries need to

be replaced

System Switch..................Selects heat on or off

Quick Reference

Instructions ......................Stored in slot at top of thermostat

Fan Indicator ....................Indicates when the system fan is running

System Status Indicator...Displays information about the status of

the system

Arrow Buttons ..................Used to increase or decrease settings

Set Temperature ...............Displays the current set point temperature

Fan Switch........................Selects the system fan mode

Battery Compartment.......Located in the back of the thermostat

Installation

Warning

Disconnect power before beginning installation.

Thermostat Location

Install the thermostat approximately 5 feet (1.5m) above the ﬂoor in an

area that has a good amount of air circulation and maintains an average

room temperature.

Avoid installation in locations where the thermostat can be affected by

drafts, dead air spots, hot or cold air ducts, sunlight, appliances, concealed

pipes, chimneys and outside walls.

Model number is located on back

of thermostat

Install your new Braeburn thermostat in 5 basic steps:

1Install the Sub-Base

2Provide Power

3Connect Your Wires

4 Set Installer Switches

5Attach Thermostat to Sub-Base

Install the Sub-Base:

• Remove the sub-base from the body of the thermostat.

• Mount the sub-base as shown below:

Drill 3/16” pilot holes in

your desired location.

Use supplied anchors for

drywall or plaster.

NOTE: After sub-base installation, you may insert the quick reference card

into the slot on the top of the base.

Provide Power

• For 24 Volt AC power, you must connect the common side of the trans-

former to the C terminal on the thermostat sub-base.

• For primary or back-up power, insert the 2 supplied “AA” type alkaline

batteries into the battery compartment located in the rear housing of the

thermostat. Make sure to position the Positive (+) and Negative (-) sides

of the batteries correctly with the +/- symbols in the battery compartment.

24VAC Power

Terminal (C)

UP UP

Terminal Function Description

R Input Power Connection (24 Volt AC Heating

Transformer or Millivolt Power Source)

G Output Fan Control

W1 Output Conventional Heat Control

V3 Output Zone Valve Power Close

C Input 24 Volt AC Transformer Common

Connect Your Wires

Wiring Terminations

Heat Only or Millivolt

R Power Connection

W1 Heat Relay

G Fan Control [note 3]

C 24 Volt AC Transformer Common [note 2]

Typical Wiring Conﬁgurations

Conventional Systems

NOTES - Conventional Systems

[1] For a 2-wire zone valve you will not connect V3

[2] If batteries are installed, the 24 Volt AC common connection is optional

[3] If needed for system

Provide disconnect and overload protection as required.

3 Wire Hydronic Zone Valve

Power Connection

Zone Valve Power Open

V3 Zone Valve Power Close [note 1]

G Fan Control [note 3]

C 24 Volt AC Transformer Common [note 2]

Typical Wiring Conﬁgurations

Conventional Systems (cont.)

Factory Setting

Switch Default Options Comments

F / C F

HE / HG HG

Set Installer Switches

F Select for fahrenheit temperature scale

C Select for celsius temperature scale

HG Select for gas heat or hydronic systems

without fan

HE Select for electric heat or hydronic

systems with fan

Attach Thermostat to Sub-Base

1. Line up the thermostat body with the sub-base.

2. Carefully push the thermostat body against the sub-base until it snaps

into place.

3. Insert quick reference card into slot on top of thermostat.

NOTE: The reset button should be pressed after making any changes to the

installer switches.

UP UP

System Testing

Warning

Read Before Testing

• Do not short (or jumper) across terminals on the gas valve or at the

system control board to test the thermostat installation. This could

damage the thermostat and void the warranty.

1Move the SYSTEM switch to ON mode.

2Press to raise the set temperature a minimum of 3 degrees above

the current room temperature. The system should start within a few

seconds. With a gas heating system, the fan may not start right away.

3Move the SYSTEM switch to the OFF mode. Allow the heating system to

fully shut down.

4Move the FAN switch to the ON mode. The system fan should start (on

systems where a fan is installed) within a few seconds.

5Move the FAN switch to the AUTO mode. Allow the system fan to

turn off.

Setting User Options

Advanced User Options

User options allow you to customize some of your thermostats features.

The default user options are compatible with most applications, therefore it

is not required that you adjust them.

To access the User Options menu, hold down both the and buttons

for approximately 3 seconds until the screen changes and displays

the User Option.

Press the or button to change the setting for the displayed User Option.

After you have made your desired setting, press and together to

return to the normal mode.

The thermostat will also return to normal mode after your last user option

is made or after no keys have been pressed for 15 seconds.

User Factory Setting

No. Options Default Options Comments

1 1st stage

0.5

0.5, 1.0

Select a 1st stage temperature

differential

or 2.0 differential of .5˚, 1˚ or 2˚F (.25˚, 5˚

or 2˚C)

Table of User Options

Detailed Explanation of User Options:

Temperature Differential

The differential setting is the temperature control range that your thermostat

will provide. The smaller the setting, the tighter your range of temperature

control and comfort will be.

Operating Your Thermostat

Setting the System Control Mode

The System Control has two modes of operation–OFF and HEAT. The mode can

be selected by moving the SYSTEM switch to the appropriate position.

OFF Heating system is off.

HEAT Your heating system will operate.

Setting the Fan Control Mode

The Fan Control has 2 modes of operation – AUTO

and ON. The mode can be selected by moving the

FAN switch to the appropriate position.

AUTO The fan will run when required by

the system.

ON The fan will run continually.

NOTE: Some system types do not have a fan control mode.

Detailed Explanation of User Options:

Temperature Differential

The differential setting is the temperature control range that your thermostat

will provide. The smaller the setting, the tighter your range of temperature

control and comfort will be.

Temperature Adjustment

Press the or button to adjust the current set point temperature.

Status Indicators

Status indicators appear in the display to let

you know if your system is on or off.

HEAT ON

Indicates your heating system is running.

Resetting the Thermostat

This thermostat provides you with a reset button that will erase all of your

user settings.

To reset the thermostat, use a small object such as a tooth pick or paper-

clip and gently press the button located inside the small hole on the front of

the thermostat housing labeled “reset”.

Thermostat Maintenance

Changing the Batteries

Depending on your particular installation, this

thermostat may be equipped with two (2) “AA”

type alkaline batteries.

If batteries are installed and they become low,

a low battery indicator will appear in the display.

You

should change your batteries immediately

when you see the low battery signal by following

these instructions.

NOTE: We recommend replacing the thermostat batteries annually or if the

thermostat will be unattended for an extended period of time.

1. Remove thermostat body by gently pulling it from base.

2. Remove old batteries and replace with new batteries.

3. Make sure to correctly position the (+) and (-) symbols.

4. Gently push thermostat body back onto base.

Thermostat Cleaning

Never spray any liquid directly on the thermostat. Using a soft damp cloth

wipe the outer body of the thermostat. Never use any abrasive cleansers to

clean your thermostat.

For troubleshooting tips, visit braeburnonline.com.

Braeburn Systems LLC

2215 Cornell Avenue • Montgomery, IL 60538

Technical Assistance: www.braeburnonline.com

Call us toll-free: 866-268-5599 (U.S.)

630-844-1968 (Outside the U.S.)

Store this manual for future reference.

1025NCW-100-04

Limited Warranty

When installed by a professional contractor, this product is backed by a 5 year

limited warranty. Limitations apply. For limitations, terms and conditions, you

may obtain a full copy of this warranty:

• Visit us online: www.braeburnonline.com/warranty

• Phone us: 866.268.5599

• Write us: Braeburn Systems LLC

2215 Cornell Avenue

Montgomery, IL 60538

YEAR

WARRANTY

LIMITED

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