Honeywell TH401 Owners Manual

Owner’s Guide

Guide du propriétaire

Guía del usuario

TH401

Non-programmable Thermostat
Thermostat non programmable
Termostato no programable	400-401-000-B

Need Help?

We are here to help. Call 1-800-831-2823.

Besoin d’aide?

Nous sommes là. Composez le 1 800 831-2823.

¿Asistencia?

Estamos aquí para ayudarlo. Llame al 1 800 831-2823.

Owner’s Guide
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

<![if ! IE]>

<![endif]>ENGLISH

Owner’s Guide

<![if ! IE]>

<![endif]>ENGLISH

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

1

Temperature display and setting

Appears when the setpoint is displayed

Temperature display

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.

Heating intensity indicator. (No image appears when heating is off.)

RTH401

<![if ! IE]>

<![endif]>ENGLISH

Up button

Down button

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.

2

Owner’s Guide

<![if ! IE]>

<![endif]>ENGLISH

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.

3

RTH401

Wiring

Connect	any	one	of	2-wire installation	4-wire installation
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.)

<![if ! IE]>

<![endif]>ENGLISH

NOTE: All cables and connections must conform to the local electrical code. Special CO/ALR solderless connectors must be used when connecting with aluminium conductors.

4

Owner’s Guide

<![if ! IE]>

<![endif]>ENGLISH

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.

5

RTH401

Setup procedure

The setup menu is shown on the following page.

nPress the Up and Down buttons simultaneously for three seconds to enter the setup menu.

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

pPress the Up and Down buttons simultaneously for one second to advance to the next parameter.

qWhen 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.

<![if ! IE]>

<![endif]>ENGLISH

6

Owner’s Guide

<![if ! IE]>

<![endif]>ENGLISH

Setup menu

Parameter		Options	Display and
			default setting
Temperature display format	•	°C
	•	°F
Heating cycle	•	Std (conventional heating): 15 seconds
	•	Fan (fan-forced heating): 5 minutes
Minimum setpoint	5°C - 20°C (41°F - 68°F)
Maximum setpoint	15°C - 30°C (59°F - 86°F)

7

RTH401

In case of difficulty			<![if ! IE]> <![endif]>ENGLISH
PROBLEM	SOLUTIONS
Thermostat is hot.	This is normal.
	Remediate if any the following conditions exists:
Displayed tempera-	• The thermostat is exposed to air draft.
	• The sticker on the thermostat’s screen has not been removed.
ture is wrong.
	• The thermostat is located near or above a heat source such as
	a light dimmer.
Display disappears	The thermal protection device on the heater has temporarily
	opened. This can happen if the heater is obstructed by furniture or
and reappears after
	curtain and has overheated, or if the heater’s thermal protection
a few minutes.
	device is too sensitive.

8

Owner’s Guide

<![if ! IE]>

<![endif]>ENGLISH

Specifications

-Supply: 120/240 VAC, 50/60 Hz

-Minimum load: 0.83 A (resistive only)

200 W @ 240 VAC

100 W @ 120 VAC

- Maximum load: 10.4 A (resistive only) 2500 W @ 240 VAC 1250 W @ 120 VAC

-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)

-Heating cycle length: 15 seconds / 5 minutes (user-selectable)

-Permanent memory: You do not need to adjust the temperature following a power outage.

9