Stelpro STE302R2+ User manual

INSSTE302R2+0711

“STE302R2+”

Electronic thermostat

User’s Guide

www.stelpro.com

For further information or to consult this guide online,

please visit our Web site.

INSSTE302R2+0711

WARNING WARNING

Before installing and operating this product, the

owner and/or installer must read, understand

and follow these instructions and keep them

handy for future reference. If these instructions

are not followed, the warranty will be considered

null and void and the manufacturer deems no

further responsibility for this product. Moreover,

the following instructions must be adhered to

in order to avoid personal injuries or property

damages, serious injuries and potentially fatal

electric shocks. All electric connections must

be made by a qualied electrician, according to

the electric and building codes effective in your

region. Do NOT connect this product to a supply

source other than 120VAC, 208VAC or 240VAC,

and do not exceed the load limits specied.

Protect the heating system with the appropriate

circuit breaker or fuse. You must regularly

clean dirt accumulations on the thermostat. Do

NOT use uid to clean thermostat air vent. Do

not install thermostat in a wet place. However,

installing it in isolated walls is allowed.

Note

When a part of the product specication must be changed to improve operability or

other functions, priority is given to the product specication itself. In such instances, the

instruction manual may not entirely match all the functions of the actual product.

Therefore, the actual product and packaging, as well as the name and illustration, may

differ from the manual.

The screen/LCD display shown as an example in this manual may be different from the

actual screen/LCD display

INSSTE302R2+0711

1.Description

The STE302R2+ non programmable electronic thermostat

can be used to control electric heating units such as electric

baseboards, convectors, or aeroconvectors. It keeps the

temperature of a room at the requested set point with a high

degree of accuracy. This product is designed for installations

with electrical current - with a resistive load - ranging from

0 A to 12,5 A (120/208/240 VAC). It possesses a user-friendly

interface. Furthermore, it gives you the possibility to control

the temperature of a room with great precision.

This thermostat is not compatible with the following

installations:

•electrical current higher than 12,5A with a resistive load

(3000 W @ 240 VAC, 2600 W @ 208 VAC and 1500 W @

120 VAC);

•centralheatingsystem;

•inductiveload(presenceofacontactororarelay).

Parts supplied:

•one(1)thermostat;

•two(2)mountingscrews;

•four(4)solderlessconnectorssuitableforcopperwires.

INSSTE302R2+0711

2. Installation

Selection of thermostat location

The thermostat must be mounted on a connection box on a

wall facing the heating unit, at around 1.5m (5feet) above

the oor level, on a section of the wall exempt from pipes

or air ducts.

Do not install the thermostat in a location where temperature

measurements could be altered. For example:

•closetoawindow,onanexternalwall,orclosetoadoor

leading outside;

•exposeddirectlytothelightorheatoftheSun,alamp,a

replace or any other heat source;

•closeorinfrontofanairoutlet;

•closetoconcealedductsorachimney;and

•inalocationwithpoorairow(e.g.behindadoor),orwith

frequent air drafts conditions (e.g. head of stairs).

INSSTE302R2+0711

Thermostat mounting and connection

1. Cut off power supply on lead wires at the electrical

panel in order to avoid any risk of electric shock.

2. Ensure that the air vents of the thermostat are clean and

clear of any obstruction.

3.Using a screwdriver, loosen the screw retaining the

mounting base and front part of the thermostat. Remove

the front part of the thermostat from the mounting base by

tilting it upward.

4. Align and secure the mounting base to the connection box

using the two screws supplied.

INSSTE302R2+0711

5. Take the wires from the wall through the hole at the base

of the thermostat and connect them using the supplied

solderless connectors. When making the connection with

aluminum wire, make sure that you are using connectors

identied CO/ALR. Please note that the thermostat wires

do not have polarity. Therefore, the way they are connected

is not important.

Four-wire installation

6. Reinstall the front part of the thermostat on the mounting

base and tighten the screw at the bottom of the unit.

7. Turn on the power.

8. Set the thermostat to the desired setting (see the

following section).

INSSTE302R2+0711

3. Operation

Ambient temperature/

Timer

Heating power used

indicator

Smart mode

Security mode

Fan mode

Button (+)

Pictograms

Frost-free warning

Day mode

Night mode

Button (-)

Day/Night button

Backlit button

Powering on for the rst time

When powering on for the rst time, the thermostat is initially

set to Day mode. The temperature is displayed in Celsius and

is set at 21 degrees by default.

Language (French/English)

To switch the display from French to English and conversely,

press down the backlit button for 20seconds. The display is

set in French by default.

INSSTE302R2+0711

Backlit screen

The backlight screen lights up when you press down

a button. If you do not press down any button during

15seconds, the blacklight screen will turn off. It is possible

to turn on the backlit screen without modifying anything

by pressing down the (+) or (-) button once or by pressing

down the Sun or Moon button when the backlit screen is off.

You can also turn on the backlit screen by pressing down

the backlit screen button.

Temperature set points

The gures displayed above the pictogram indicate the

temperature set point. It can be displayed in degrees Celsius

or Fahrenheit (see “Display in degrees Celsius/Fahrenheit”).

To adjust the set point, just press down the (+) button to

increase the value, or the (-) button to decrease it. Set points

can be adjusted by increments of 0.5°C or 1°F. To quickly

scroll through the set point values, press and hold down

the button. The minimum set point is 3°C (37°F), and the

maximum set point is 30°C (86°F).

INSSTE302R2+0711

Day mode and Night mode

The thermostat includes a Day mode (Sun) and a Night

mode (Moon), both of them having their own independently

adjustable and recorded set point. The ambient temperature

is displayed above the set point, in degrees Celcius or

Fahrenheit. When switching from one mode to the other,

the system will automatically use the temperature set point

corresponding to the Day/Night mode selected. The standard

factory set point adjustment is 21°C (70°F) for the Day mode,

and 18°C (64°F) for the Night mode.

In order to manually switch from one mode to the other, press

down the Day or Night button and release it immediately.

In Day mode, you can turn off the thermostat by lowering the

set point below 3°C. The set point value displayed will be --.-,

and heating system start up will be impossible.

Night mode timer

The Night mode features a timer that automatically returns

to the Day mode after a selectable time period. This timer

allows the temporary use of a temperature set point. The

standard factory adjustment of the timer is 8 hours. With

this adjustment, the thermostat automatically returns to Day

mode 8hours after being switched to the Night mode.

For example, if you want a night temperature lower than the

day temperature, both Day/Night modes set points will rst

have to be set at the desired temperatures. Before bedtime,

the Night mode temperature set point will be activated by

switching manually to the Night mode. The timer is set for the

duration of the night. The thermostat will automatically return

to the Day mode at the end of the night, and the Day mode

temperature set point, which is higher, will become effective

at this time.

INSSTE302R2+0711

Night mode timer adjustment procedure

1. First, switch to the Night mode by pressing down the Day/

Night button and releasing it immediately (press it down

twice if the backlit screen is off and once if the backlit

screen is on).

2. From the Night mode, simultaneously press down the (+)

and (-) buttons for more than 3seconds. Then, the number

of programmed hours will be displayed by the three gures

at the top of the screen and ‘‘HRS’’ will be displayed

instead of the three gures at the bottom of the screen.

Then, you can release the buttons.

3. If needed, adjust the timer by pressing down the (+) button

to increase the value, or the (-) button to decrease it. The

adjustment range is from 1hour to 999hours. To quickly

scroll through timer values, press and hold down the

button.

4. When the adjustment is completed, release the buttons

and wait for 5 seconds to exit the adjustment function.

Then, the thermostat will automatically switch to the Night

mode.

NOTE: The Night mode timer will be automatically reinitialized

to the latest recorded value when switching from the

Day mode to the Night mode. It is not necessary to

readjust the timer every time you switch to the Night

mode. The timer is also reinitialized when this value

is adjusted.

Once the timer has completed its cycle and when the

thermostat is in the Day mode, you must manually return to

the Night mode. If you want to automatically return to the

Night mode, the Smart mode must be selected.

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