REMKO ATR-4 Bedienungsanleitung

REMKO ATR-4

Electronic

Clock Thermostat

Edition GB - H12

Operation

Technology

Original

REMKO

REMKO - powerful like a bear

Operating Instructions

This electronic clock thermostat is used for room temperature-dependent,

two-point control of heating and cooling units in dry and closed rooms.

Read these instructions carefully before setting up/operating the unit!

Our guarantee becomes null and void if the unit is used improperly or if

modifications are made to the supplied unit.

Electronic Clock Thermostat

REMKO ATR-4

Important!

Always keep these operating instructions near or on the unit.

Contents Page

Functionality 4

Operating Controls 4

Comfort Temperature 4

Cooling Temperature 5

Frost Protection Temp. 5

Hand Button 5

Off 5

Reset 5

Setting the Clock 6

Contents Page

Selecting the Operating Mode 6

Setting the Timer 7

Setting the Control Parameters 8

Setting the Functions 8+9

Installation Instructions 10

Mounting 11

Wiring Diagram 12

Customer Data 13

Technical Data 14

Functionality

•The ATR-4 electronic clock thermostat records the room temperature ei-

ther using an internal NTC temperature sensor or an external KTY tem-

perature sensor.

•The output is activated via an isolated change-over contact.

•The digital weekly clock timer controls temperature in automatic mode

(comfort temperature or cooling temperature). It has 16 programs that can

be used to program up to 112 activation times. The timer has a power re-

serve of 15 minutes.

•The mode can be selected using the program buttons (4): Automatic,

Heating, Cooling, Frost Protection and Off modes are available.

•An indicator (5) on the left-hand side of the display shows the operating

mode.

Comfort Temperature

The desired comfort temperature (5 to 40 °C) is set on the upper rotating

knob (2). It is displayed on the right-hand side of the display instead of the

current temperature. Three seconds after the knob has been turned, the unit

automatically displays the current temperature again.

Operating Controls

1. Reset button

2. Adjustment wheel (Comfort temp.)

3. Adjustment wheel (Cooling temp.)

4. Program buttons

5. Operating status indicators

6. Operating mode indicators

Note: A change to the comfort temperature makes it necessary to

change the cooling temperature by the same amount because

the cooling temperature is relative to the comfort temperature.

Conversely, a change in the cooling temperature does not re-

quire a change in the cover temperature.

GNote: To protect against frost, the cooling temperature may not be set

below + 5 °C.

Cooling Temperature

The cooling temperature can be set on the lower adjustment knob (3). It is

displayed absolutely on the right half of the display. Three seconds after the

knob is turned, the unit automatically displays the current temperature again.

Frost Protection Temperature

The frost protection temperature is fixed at 5 °C. By pressing the two pro-

gram buttons + and –, the frost protection temperature can be selected.

The frost protection level is not accessible via the timer program or in cool-

ing mode.

The current target value can be queried by pressing the SET program but-

ton. After three seconds, the current temperature is displayed again.

Off

By pressing the two program buttons ¹and +at the same time, the operat-

ing mode is no longer displayed on the right-hand side of the display. The

unit continues to record the current temperature but all control functions are

completely switched off.

Hand Button

The >button makes it possible to change the current temperature mode

(comfort temperature / cooling temperature) in automatic mode. The se-

lected temperature mode is displayed by indicators on the right-hand side of

the display. This function is deleted for the next program point.

Reset

There are two different reset options:

1. Start up reset:

The RESET button (3) makes possible to restart the unit after operation has

been to interrupted due to a malfunction. The clock must be reset but the

program and parameter settings are retained.

2. Global reset

To force the unit to restart with the factory settings, the buttons RESET, +

and – must be pressed at the same time. After the RESET button is re-

leased, the buttons +and – must be held down until the version number

(r 10...) appears on the display.

GNote: Any previously entered individual timer program and any pa-

rameter settings are lost.

Setting the Clock

The clock can be set once the ¹program button

has been held down for 3 seconds or after the

unit restarts following a reset. If the clock has not

yet been reset, it blinks on the display.

When you press the SET program button, you are taken to the desired set-

ting option (Hours -> Minutes -> Day of the week). The selected option

blinks on the display.

By pressing one of the program buttons +or –, the value of the selected op-

tion can be changed and the selection confirmed by pressing the SET but-

ton.

After confirming the day of the week, the clock starts accurate to the sec-

ond. The unit returns to the operating mode from which the “Set Clock“

menu was accessed. If no button is pressed within 1 minute, the current

time automatically appears again.

Selecting the Operating Mode

The main operating modes are selected by

pressing one of the three program buttons on the

left. You can select from the following modes:

Automatic ¹, Comfort á(continuous) and Cool-

ing (continuous).

The Off and Frost protection Tmodes can be set by pressing the top and

middle or bottom and middle program buttons on the left at the same time.

The selected operating mode is displayed by indicators on the right-hand

side of the display. In the Automatic operating mode, one of the two indica-

tors also shows the currently valid temperature control (Comfort or Cooling).

No indicator is displayed in the Off operating mode.

Display Button Explanation

1. ¹Change time setting

2. 20:30 +/- Hours blinking; change setting with [-]

3. 10:00 SET Confirm entry

4. 10:00 +/- Minutes blinking; change setting with [+]

5. 10:16 SET Confirm entry

6. * +/- Day blinking; change setting with [+/-]

7. * SET Confirm entry and end programming

Programming Example: Monday, set 10:16

Entering a Timer Program

Programming example:

Change P02 to: MO - SA, starting at 18:30; night operation; (P02)

Display Button Explanation

1. PROG Set timer program (change)

2. 22:00 P01 +/- Program selection P01 blinking; change setting with [+]

3. 22:00 P02 SET Confirm entry

4. 22:00 +/- Time setting blinking; change setting with [-]

5. 18:30 SET Confirm entry

6. ' ' ' ' ' +/- Days of the week blinking; change setting with [+]

7. ' ' ' ' ' SET Confirm entry

8. SET Arrow blinking next to night operation; keep setting

9. P02 PROG P02 blinking; end programming with [PROG]

The timer program can be entered after the PROG

program button was pressed briefly. The program

point number appears on the display (PO1 to P16),

the corresponding time and day of the week on

which the respective temperature mode (Comfort

temperature or Cooling temperature; sea indicator on the right) will go into

effect.

When you press the SET program button, you are taken to the desired set-

ting option (Program point number -> Time -> Day -> Temperature mode).

Each selected setting option blinks on the display.

By pressing the +or – program buttons, the value of the selected option can

be changed and your selection confirmed by pressing the SET button.

If you press the PROG program button while the program point number is

blinking, the unit returns to the operating mode from which the “Enter Time

Program” menu was accessed.

Inactive program points are identified by a - -:- - instead of the time.

The following are standard presets made at the factory:

Mo – So: starting at 06:00 o’clock Comfort temperature

Mo – Fr: starting at 22:00 o’clock Cooling temperature

Sa – So: starting at 23:00 o’clock Cooling temperature

There are several options for setting the days of the week:

Individual days Different activation times

Monday - Friday Same activation times

Monday - Saturday Same activation times

Monday - Sunday Same activation times

Saturday - Sunday Same activation times

Setting the Functions

When you press the PROG program button for 6

seconds, you are taken to a menu where various

basic functions can be set. The functions are

shown on the left-hand side of the display and

the corresponding value or status on the right.

When you press the SET program button, you are taken to the desired set-

ting option. The setting option blinks on the display.

By pressing the +or – program buttons, the value of the selected setting op-

tions can be changed and your selection confirmed by pressing the SET

button.

After confirming the last function, the unit returns to the operating mode from

which the “Setting the Functions” menu was accessed.

The individual parameters mean the following:

Setting the Control Parameters

When you press the PROG program button for 6

seconds, you are taken to a menu where various

basic functions can be set. The functions are

shown on the left-hand side of the display and

the corresponding value or status on the right.

When you press the SET program button, you are taken to the desired set-

ting option. The setting option blinks on the display.

By pressing the +or – program buttons, the value of the selected setting op-

tions can be changed and your selection confirmed by pressing the SET

button.

After confirming the last function, the unit returns to the operating mode from

which the “Setting the Control Parameters” menu was accessed.

The individual parameters mean the following:

When used as a two-point control mechanism:

Parameter Default setting Minimum value Maximum value

Activation difference ± 1.0 K ± 0.1 K ± 3.0 K

Per proportional control ± 3.0K ± 1.0 K ± 10.0 K

Pulse width

5 min

1 min 15 min

When used as a pulsating control mechanism:

I E (internal / external sensor)

If the external sensor is selected but there is not

KTY temperature sensor connected, 65.0 °C ap-

pears on the display. The clock thermostat is not

controlling the output.

Preset: Alternative:

(internal)

(external)

Loc (button lock)

The button lock is displayed by the key symbol.

The button lock prevents the temperatures from

being changed using the rotating knobs. After the

button lock has been released, any temperature

changes are transferred. The button lock is acti-

vated by pressing the PROG program button for 6

seconds.

Preset: Alternative:

oFF

(inactive)

(active)

H C (Heating / Cooling display)

In Heating mode, the controlled relay on the left-

hand side of the display shows an arrow pointing

up (r). In Cooling mode, it displays an arrow

pointing down (s) .

Preset: Alternative:

(heating)

(cooling)

2PPu (2-point / Pulsating function display)

When the control function is switched from 2-

point to pulse and vice versa, this results in the

corresponding parameters being calculated on

the basis of the default settings. These settings

are explained under “Setting the Control Pa-

rameters”. If necessary, the values must be

changed as described in this section.

Preset: Alternative:

2-P

(2-point)

PuL

(pulsating)

SEnS (Sensor comparison display)

Constant temperature values should be available

for the sensor comparison. In addition, the sensor

comparison should be performed at normal room

temperatures (approx. 20 °C). For a comparison,

the current temperature displayed by the unit and

the temperature on the sensor must be known.

The difference between these two values can be

set within a ± 3.0K limit under the SEnS menu

item.

Example: The unit displays 20.7 °C. The tem-

perature measuring unit displays a temperature of

19.9 °C on the sensor. – 0.8 must be set under

the SEnS menu item.

Preset: Limits:

0.0 K ± 3.0K

For the authorised electrical installation personnel!

•Connection and service may only be performed by authorised electri-

cal personnel!

•Prior to performing any work on the unit, all power lines must be free

of electrical current and secured against switching on again!

•Connection is to be performed in accordance with the wiring diagram

on page 12.

•The unit may only be connected to lines that are permanently attached

in closed, dry rooms.

•When installing the unit, make sure that the electrical lines, for exam-

ple, power supply and relay connection lines, cannot come into con-

tact with low-current supply lines, such as sensor lines (minimum dis-

tance 4 mm for basic isolated line conductors).

•Make sure that there is adequate protection to prevent connection

conductors from becoming loose that meets the requirements of EN

60730 Part 1. This can be achieved, for example, by securing the lines

with cable bindings.

•Compliance with VDE 0100, EN 60730, Part 1, as well as all regula-

tions of the local EVU must be assured.

•If the unit does not function as expected, first check the power supply

and that the unit has been properly connected.

•To prevent problems, the external sensor lines may not be laid to-

gether with the other power conducting lines. A minimum distance of 4

mm must be maintained for basic isolated conductors.

•Use the sensor lines in accordance with the requirements. Observe

the maximum line length and required minimum cross-sections!

GWarning: The unit can be damaged if it is connected improperly! We

are not liable for damages that are the result of incorrect

connection and/or improper use!

Installation Instructions

Max. line length Line cross-section (Cu)

30 m 0.50 mm²

45 m 0.75 mm²

60 m 1.00 mm²

90 m 1.50 mm²

Inhaltsverzeichnis

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