KTC SR 310/3 User Instructions Download Page 2

 

7.0 Select basic program 

If necessary, press 

Prog 

key repeatedly, until the desired basic program 

P1 .. P6 

is displayed. 

Note: 

If programs 

P1 

and 

P2 

are mixed with programs 

P5 

and 

P6, 

time overlapping 

can occur. 
If the switching times of 

P1/P2 

and 

P5/P6 

are not changed, the daily times of 

P1/P2 

are effective, even on Saturday and Sunday, see table. 

Activating program: 

Press 

SET 

key. Display e.g. 

P1 

is static. 

Not activating program: 

Press 

SET 

key. Display e.g. 

P1 

flashes. 

Store by pressing the 

Prog 

key. 

Press 

Prog 

key until 

SET 

appears in the clock display. 

Now press 

SET 

key in order to store the program.

 

 

 8.0 Change basic program 

 

If necessary, press 

Prog 

key repeatedly, until the desired basic program 

P1 .. P6 

ist displayed. 

Change days: 

For the setting period hold the key 

firmly. 

Change the weekdays with the keys 

 (see table). 

Change heating-/set-back time: 

For the setting period hold the key 

or 

firmly. 

Select the desired heating time with the keys 

 . 

Change temperature: 

Change the temperature with the keys 

 . 

Store with 

Prog 

key. 

Press 

Prog 

key until 

SET 

appears in the clock display. 

 Now press the 

SET 

key in order to store the program. 

Info: 

You can activate a maximum of all 

basic programms.

 

 

9.0 

Manual temperature change in automatic operation 

Operation: 

In automatic mode, an individual temperature change can be set between 5 °C .. 
39 °C. This setting is active until the next heating time 

P1 .. P6. 

After that the 

product is controlled according to the time and temperature specification. 

Change the temperature setting: 

Set the desired temperature with the keys 

Afterwards release the key. 

 

10.0 ECO program 

Operation: 

For a period between 1 hour (ECO 1) and 8 hours (ECO 8), a fixed set temperature 
of 16° C can be selected. The residual ECO time is displayed. If the ECO program 
has expired, the product controls again in accordance with the programmed time 
and temperature specification. 

Setting in the automatic mode: 

Press repeatedly the 

ECO 

key to set the desired program (ECO 1 ... ECO 8). 

E.g. ECO 6 

= 6 hours set-back to 16 °C. 

Terminate ECO program: 

Hold the 

ECO 

key firmly for approx. 2 secs. 

 

11.0 Program selection switch 

Auto = 

product controls according to the stored heating program. 
Manual temperature change possible 

Perm 21 °C =  

the product controls permanently at 21 °C. 

Manual temperature change is not possible. 

Perm Off = 

The product is switched off. 

Manual temperature change is not possible. 

 

=  

Permanent frost prot5 °C. 
Manual temperature change is not possible. 

 

12.0 Holiday program

 

For the duration of a holiday program the clock thermostat controls at a selectable 
set-back temperature. Beginning and end of the program is at midnight. 

Press the 

 key briefly. 

In how many days is the holiday program to start? 

For the setting period hold the key 

firmly. 

Set the period of the holiday program with the keys 

 . 

How long shall the holiday program last? 

For the setting period hold the key 

firmly. 

Set the duration of the holiday program with the keys 

 . 

Which temperature is to be controlled during the holiday program? 

Set the desired temperature with the keys 

Store with 

SET 

key. 

Display holiday active: Symbol  

 

appears 

In the clock display appears e.g. 00:14, i. e. the duration of the holiday 
program is 14 days and ends at midnight. 

Cancel holiday program prematurely: 

Hold the 

 key firmly for 2 secs. 

 

13.0 RESET/ total deletion

 

The changed and stored data revert to the basic setting. Even after a RESET,  the 
clock thermostat retains the captive basic program. See table: section 6.0. 
If no time is set, the product controls at constant 21 °C. 
The clock stops and waits for input. 
 

Recommendation: Adjustment with the help of an expert

 

14.0 Adjustment of the wall alignment 

The clock thermostat is adjusted in the factory. If, as a result of its installation 
location e. g. cold cement wall, an adjustment is necessary, the temperature 
deviation can be corrected. 

Correcting temperature deviation: 

You can correct the temperature deviation in the range from – 3 °C and +3 °C. 

Example: 

Temperature difference between measured and controlled 

temperature is +2 °C. 

Correction: 

–2 °C.

 

Adjustment from automatic mode: 

Æ

  

Hold the 

SET 

and key  firmly for approx. 2 secs. 

Æ

  

For the setting period hold the key 

SET

Æ

  

Set the value to be corrected with the keys 

 . 

Æ

  

Store the changed valve with the 

SET 

key.

 

 

15.0 Setting of the control accuracy 

Operation: 

The control accuracy can be adjusted to ±0.5 or ±1 K. The basic set- 
ting is ±1 K. 

Adjustment from the automatic mode: 

Æ

 

 

Hold the 

SET 

key and 

for approx. 2 secs. firmly. 

Æ

  

Release only the key 

h

Æ

 

 Change the set valve with the key 

h

Æ

 

 Release the key and store with 

SET

 key. 

 

16.0 Technical data 

Control type  

RS Typ 1 in accordance with EN 60730-2-9 

Control  

hysteresis 

Control accuracy  

±0.5 K or ±1K 

Permitted ambient temperature   0 °C ... + 55 °C 
Battery operation  

2 x alkaline LR 6 

Contact rating  

2 (1) A 250 V~ min. 1 mA, 5 V DC 

Protection class  

II according to EN 60730-1 in flush-fitting 

Enclosure type  

IP 20 according to EN 60529

 

Subject to modification

 

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