Braeburn 229150 User Manual

Precautions, Automatic digital humidistat, Specifications

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BASE WITH VENTS

(FOR WALL MOUNT)

MOUNTING

HOLES (2)

PUSH BASE

INTO 1”

HOLE IN

WALL
OPENING

FOR WIRES

VENTS

WALL

DUCT

MOUNTING

HOLES (2)

PLACE BASE

OVER 1”

HOLE IN

DUCT
OPENING

FOR WIRES

BASE WITHOUT VENTS

(FOR DUCT MOUNT)

NO

VENTS

229150

PRECAUTIONS

This Humidistat must be installed by a Qualified Technician. Always turn off power to the HVAC
system prior to installing or servicing the humidifier or humidistat. Improper operation can
result in over or under humidification. Over humidification can result in condensation, structural
damage or mold. Condensation within a building’s structure can cause a loss of structural
strength. Condensation can also enable mold and mildew growth resulting in personal injury
and damage to building structure and contents. Older and poorly insulated structures cannot
withstand the same humidity levels as newer well insulated buildings. Read these instructions
carefully. This humidistat requires a 24 volt, AC power supply. Improper voltage can cause
malfunction or damage to the control. The technical specifications for this product and the
contents of the user manual are subject to change without notice.

Before Installing or Operating,

PLEASE READ ALL INSTRUCTIONS

Specifications

Electrical Rating 18-30 VAC, 60Hz
Switching Load 1 amp max.
Outdoor Sensor 200 ft. max.
Auto Mode
Control Range 10%-60% RH
Manual Mode
Control Range 10%-75% RH

Automatic

Digital Humidistat

In Automatic Mode, the Braeburn 229150 Digital Humidistat
will adjust humidity based on the outdoor temperature,
lowering the humidity in cold weather to reduce
condensation. The humidistat can operate in Manual Mode
to control humidity to a specific relative Humidity. In most
dwellings, Automatic operation is preferred to reduce
condensation on windows and within the structure.
Manual mode is necessary where the outdoor temperature
sensor cannot be installed. Manual mode may be desirable where valuable artwork, instruments
or woodwork demand constant humidity. The LCD Display is backlit and easy to read. The
humidistat can be mounted on an interior wall or on the return duct of the HVAC System.

Outdoor Temp.

-10˚F, (-23˚C) min

Accuracy RH

10%-90% +3% RH

Accuracy Indoor Temp. +1˚F, +1˚C
Accuracy Outdoor Temp. +1˚F, +1˚C
Resolution

1˚ or 1%

Duct Mount Installation

IMPORTANT: Use base without vents for

duct mount installation.
1. Choose an accessible location on the
main RETURN air duct at least 15 inches
from any duct bends.
2. Drill a 1 inch diameter hole in the center
of your desired mounting location.
3. Using the base as a template, mark
two mounting holes and rectangular
opening (for wires).
4. Using a 1/8 inch drill bit, drill two
mounting holes. Cut or drill out
rectangular opening for wires.
5. Secure base to the duct with supplied
sheet metal screws. Pull wires
through opening.
6. Connect wires (see “wiring”) and then
attach humidistat body to base.

Wall Mount Installation

IMPORTANT: Use base with vents for

wall mount installation.
1. Choose a location in the living area
that is clear of drafts or excessive
amounts of humidity. Avoid mounting
near air ducts, doors or windows.
Do not install in bathrooms or kitchens.
2. Drill a 1 inch diameter hole in the center
of your desired mounting location.
3. Using base as a template, mark the
two mounting holes and rectangular
opening (for wires).
4. Using a 3/8 inch drill bit, drill two
mounting holes and gently tap in
supplied anchors. Cut or drill out
rectangular opening for wires.
5. Secure base to the wall with supplied
plastic anchors and screws. Pull wires
through opening.
6. Connect wires (see “wiring”) and then
attach humidistat body to base.

Wiring

WIRING TO FAN POWER HUMIDIFIER

Remote Sensor Installation

IMPORTANT: Keep remote sensor wires at

least 6 inches from line voltage wires.
1. If installing the optional outdoor remote

sensor, choose a location on the north or
east wall of the structure. Install above
the snow line away from air intakes or
exhaust sources.
2. Run two wire (22 gauge minimum) cable
from the humidistat SNSR1 and SNSR2
terminals to the outdoor location. Attach
wire to sensor regardless of polarity. Wire run should not exceed 200 ft.
3. Install the metal hanging bracket with the screws provided. Insert sensor into large
opening of bracket and sensor wire into small opening of bracket.
4. Use non-hardening caulk to plug any wiring holes after verifying operation of sensor.

DROP Button: Scrolls through Manual, Automatic and Off modes

THERMOMETER Button: Scrolls through indoor humidity (default), indoor temperature

and outdoor temperature (if outdoor sensor is connected).

F˚ / C˚ F˚ / C Button: Used to select Fahrenheit or Celsius display mode.

DOWN and UP Buttons: Use to adjust settings up or down.

Buttons: Press the DOWN and UP buttons at the same time to enter OFFSET mode
(see”OFFSET”).

+

+

Buttons: Press the DROP and THERMOMETER buttons at the same time for 5 seconds.
The humidistat will enter the TEST mode. (see “Testing the System”)

Quick Reference

“House” Symbol: Indoor temperature indicator.

“Tree” Symbol: Outdoor temperature indicator.

“Bar” Symbol: Humidity index indicator (Automatic Mode Only).

SNSR

1

SNSR

2

HUM

1

HUM

2

AC

N

AC

L

Constant

24 Volts

Yellow

Yellow

120 Volts

Switched

w/Furnace

Operation

SNSR

1

SNSR

2

HUM

1

HUM

2

AC

N

AC

L

Constant

24 Volts

Outdoor Sensor

24 Volts

Switched

w/Furnace

Operation

WIRING TO 24 VAC HUMIDIFIER

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