Honeywell TH401 User manual

Non-programmable Thermostat

Thermostat non programmable

Termostato no programable

OWNER’S GUIDE

GUIDE DU PROPRIÉTAIRE

GUÍA DEL USUARIO

TH401

69-2551EFS-03

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 1 Thursday, August 27, 2020 11:40 AM

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69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 2 Thursday, August 27, 2020 11:40 AM

TH401

Table of Contents

About your new thermostat ......................................................1

Temperature display and setting............................................2

Removing the faceplate .............................................................3

Wiring ................................................................................................4

Installing the faceplate...............................................................5

Setup procedure............................................................................6

Setup menu.....................................................................................7

In case of difficulty.......................................................................8

Specifications.................................................................................9

Warranty...........................................................................................10

Customer assistance...................................................................11

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 0 Thursday, August 27, 2020 11:40 AM

OWNER’S GUIDE

About Your New Thermostat

This thermostat can be used to control an electric heating system such as a

baseboard heater, a radiant floor, a radiant ceiling, a convector or a fan-

forced heater.

The thermostat CANNOT be used with:

• a resistive load under 0.83 A

• a resistive load over 10.4 A

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

• a central heating system

SUPPLIED PARTS

•One(1)thermostat

• Two (2) 6-32 mounting screws

• Two (2) solderless connectors

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 1 Thursday, August 27, 2020 11:40 AM

TH401

Temperature Display and Setting

The thermostat normally displays the actual (ambient) temperature.

• To view the setpoint temperature, briefly press the Up or Down button. The setpoint

will be displayed for 5 seconds and the screen illuminated for 12 seconds.

• To change the setpoint temperature, press the Up or Down button until the desired

value is displayed.

Temperature display

Heating intensity indicator.

(No image appears when

heating is off.)

Up button

Down

button

Appears when the setpoint is displayed

Appears when the thermostat

is configured for 5-minute

cycles. The thermostat must

be set to this configuration if

it is controlling a fan-forced

heater.

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 2 Thursday, August 27, 2020 11:40 AM

OWNER’S GUIDE

Removing the Faceplate

TURN OFF POWER OF THE HEATING SYSTEM AT THE MAIN POWER

PANEL TO AVOID ELECTRIC SHOCK.

Loosen the screw holding the faceplate

to the base. The screw cannot be

completely removed and remains captive

on the base. Remove the faceplate from

the base by pulling the bottom half.

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 3 Thursday, August 27, 2020 11:40 AM

TH401

Wiring

Connect any one of

thermostat wires to the

heater (load) wire and the

other one to the power

supply wire using

solderless connectors for

copper wires. (The

thermostat wires are non-

polarized; either wire can

be connected to the load or

to the power supply.)

NOTE: All cables and connections must conform to the local electrical code.

Special CO/ALR solderless connectors must be used when connect-

ing with aluminum conductors.

2-wire installation 4-wire installation

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 4 Thursday, August 27, 2020 11:40 AM

OWNER’S GUIDE

Installing the Faceplate

Install the base onto an electrical

box.

Reinstall the faceplate on the

base and secure it in place with

the screw.

NOTE: Keep the air vents of

thermostat clean and

unobstructed at all times.

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 5 Thursday, August 27, 2020 11:40 AM

TH401

Setup Procedure

The setup menu is shown on the following page.

1. Press the Up and Down buttons simultaneously for three seconds to

enter the setup menu.

2. Press the Up or Down button to change the option.

3. Press the Up and Down buttons simultaneously for one second to

advance to the next parameter.

4. When the last parameter is displayed, press the Up and Down buttons

for three seconds to save any changes and exit the menu.

NOTE:

If you do not press any button for one minute,

the thermostat will

automatically save any changes you have made and will then

return

to its normal display

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 6 Thursday, August 27, 2020 11:40 AM

OWNER’S GUIDE

Table 1. Setup Menu

Parameter Options

Display and

default setting

Temperature display

format °C

°F

Cycle length Fan: 5 minutes / Fan-forced heater

Std: 15 seconds / Baseboard heater

Minimum setpoint 5°C - 20°C (41°F - 68°F)

Maximum setpoint 15°C - 30°C (59°F - 86°F)

69-2551EFS-03 (TH401 Cadet) 5 x 3.5.book Page 7 Thursday, August 27, 2020 11:40 AM

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