Honeywell TH108-A-347S3 User Guide

TH108-A-347S3

User Guide

Electronic Thermostat

Percentage of
heating time *

* The thermostat displays the percentage of heating time required to
maintain the desired temperature. For example, is displayed when
heating is activated 40 percent of the time.

n

This thermostat can be used to control an electric heating system
such as a baseboard heater, a radiant ceiling, a radiant floor, a con­vector, etc.

The thermostat cannot be used with the following:

• a resistive load under 2 A

• a resistive load over 12.5 A

• a system driven by a contactor or a relay (inductive load)

• a fan-forced heating system (e.g.: fan-forced convector)

• a central heating system

Description

Temperature
display

Temperature
adjustment
buttons

NOTE: All cables and connections must conform to the local electri-

cal code. Special CO/ALR solderless connectors must be used when
connecting with aluminium conductors.

2-wire installation

1.

4-wire installation

SUPPLIED PARTS

• One (1) thermostat

• Two (2) 6-32 mounting screws

• Two (2) solderless connectors

o

TURN OFF POWER OF THE HEATING SYSTEM AT THE MAIN
POWER PANEL TO AVOID ELECTRIC SHOCK.

Loosen the screw holding the control module to the base. The screw
cannot be completely removed. Lift the control module to remove it
from the base.

Make the appropriate connections. Please note that the thermostat
wires are non-polarized; either wire can be connected to either termi­nal.

Installation

Align and affix the base to the
electrical box.

NOTE: Before installing the
thermostat base, install pro­vided adapter plate (U-shaped)

2.

on 347V electrical box which is
bigger than regular electrical
boxes.

Set the switch at the back of the remov­able part of the thermostat to °C or °F.

Replace the front part of the thermostat
on the base and secure it in place with
the screw.

NOTE: Keep the air vents of thermostat
clean and unobstructed at all times.

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p

The thermostat normally displays the actual (ambi­ent) temperature.

• To view the setpoint temperature, press once on

• To change the setpoint temperature, press the appropriate but-

q

During a power outage, the setpoint is saved in memory. You do not
need to adjust the temperature when power returns.

r

- Supply: 347 VAC, 50/60 Hz

- Minimum load: 700 W / 2 A (resistive only)

- Maximum load: 4335 W / 12.5 A (resistive only)

- Display range: 0 °C to 50 °C (32 °F to 122 °F)

- Setpoint range: 5 °C to 30 °C (40 °F to 85 °F)

- Storage: -20 °C to 50 °C (-4 °F to 120 °F)

s

Temperature Display and Setting

either temperature adjustment button. The icon

appears during the setpoint display.

ton until the desired value is displayed.

Power Outage

Specifications

Troubleshooting

PROBLEM SOLUTIONS

This is normal. Under normal operation, the

Thermostat is hot.

Displayed tempera­ture is wrong.

Display disappears
and reappears after
a few minutes.

Display looks faded
when heating is
activated.

thermostat housing can reach a temperature
between 35 °C (95 °F) and 40 °C (104 °F).

Correct if any the following conditions
applies:

• The thermostat is exposed to air draft.

• The sticker on the thermostat’s screen
has not been removed.

• The thermostat is located near or above
a heat source such as a light dimmer.

The thermal protection device on the heater
has temporarily opened. This can happen if
the heater is obstructed by furniture or curtain
and has overheated, or if the heater’s thermal
protection device is too sensitive.

The heating system is less than the required
minimum load. This thermostat cannot be
used below that rating.

3.

;

Aube warrants this product, excluding battery, to be free from defects
in the workmanship or materials, under normal use and service, for a
period of three (3) year from the date of purchase by the consumer. If
at any time during the warranty period the product is determined to
be defective or malfunctions, Aube shall repair or replace it (at Aube's
option).
If the product is defective,
(i) return it, with a bill of sale or other dated proof of purchase, to

4.

5.

6.

(ii) contact Aube. Aube will make the determination whether the

This warranty does not cover removal or reinstallation costs. This
warranty shall not apply if it is shown by Aube that the defect or mal­function was caused by damage which occurred while the product
was in the possession of a consumer.
Aube's sole responsibility shall be to repair or replace the product
within the terms stated above. AUBE SHALL NOT BE LIABLE FOR
ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCI­DENTAL OR CONSEQUENTIAL DAMAGES RESULTING,
DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WAR­RANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF
THIS PRODUCT. Some provinces, states or regions do not allow the
exclusion or limitation of incidental or consequential damages, so this
limitation may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY AUBE
MAKES ON THIS PRODUCT. THE DURATION OF ANY IMPLIED
WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANT­ABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS
HEREBY LIMITED TO THE THREE-YEAR DURATION OF THIS
WARRANTY. Some provinces, states or regions do not allow limita­tions on how long an implied warranty lasts, so the above limitation
may not apply to you.
This warranty gives you specific legal rights, and you may have other
rights which vary from one province, state or region to another.



If you have any questions about the product installation or operation,
or concerning the warranty, contact us at:

705 Montrichard
Saint-Jean-sur-Richelieu, Quebec
J2X 5K8
Canada

Tel.: [phone]
Toll-free: 1-800-831-AUBE
Fax: [phone]

Email: [e-mail]

Warranty

the place from which you purchased it, or

product should be returned, or whether a replacement product
can be sent to you.

Customer assistance

7.

8.

For more information on our products, go to

www.aubetech.com

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