background image

Function:

As soon as ambient temperature is higher than set
value on display, heating cycle  will be interrupted at
heating operation and cooling cycle  will be closed at
cooling operation.
Wiring diagram is printed inside cover.

Setpoint adjustment:

When the + or – button is pressed, the controller
assumes the temperature setpoint setting mode and
the present setpoint is displayed. The displayed set-
point can now be adjusted in 0.5 K steps to the
required value with the + and –buttons. The actual
temperature can be displayed by pressing the + and
–buttons simultaneously. If the room temperature
exceeds or falls below the measuring range limits
(0…40 °C), the letter “U” or “O” appears on the dis-
play.

Compressor operating delay:

The compressor operating delay works on terminal 3.
It is ensured due to a minimum off time of 1/8 cycle
time = 0,5/2,5 minutes. This means that the compres-
sor is started always after 1/8 cycle time = 0,5/2,5
minutes after a power failure and when stopped via
switch or automatic function.

Voltage failure:

In case of power failure the set-temperature will be
saved.

Sensor fault:

In case of remote sensor fault, the internal sensor will
be used.

3. Installation:

Mounting height: about 1.5 m above the floor.

External walls and draughts from windows and doors
should be avoided. Ensure that the normal convective
air of the room reaches the controller unhindered. The
controller should therefore not be mounted within
shelf units or behind curtains and similar coverings.
Because heat from external sources has a detrimental
effect on the control precision, installation in direct
sunlight, in the vicinity of televisions, radios and heat-
ing appliances, lamps, chimney stacks and heating
pipes should be avoided.

4. Electrical connection:

Connnect all cables precisely as shown in the associ-
ated circuit diagram. Conductor cross-section: 1 to
2.5 mm

2

solid conductor. No protective conductor is

necessary as the device is totally insulated. 

When connecting a remote sensor  (Illustration 3), it
will be used automatically. When removing the remote
sensor, the internal one will be used automatically. 

The remote sensor must be connected to terminals

11 and N. The sensor can be lengthened to about 50
m with a two-core cable with a cross-section of 1.5
mm

2

. For installation in cable ducts or in the vicinity of

power cables, a shielded cable must be used.

5. Technical data:

Operating voltage 

AC 230 V / 50 / 60 Hz

Switching current

f

6 A cos

ϕ

=  1 / 3 A

cos

ϕ

= 0,6

U

/

P

3 A  cos

ϕ

=  1 / 2 A  cos

ϕ

= 0,6

Setpoint range

5 ... 30°C

Temperature sensor

NTC internal; remote sensor 
optional

Setpoint generator

5…30 °C with 0,5 K resolution

Actual-value display

0…40 °C with 0,1 K resolution

Operating temperature
range

0 to 40°C

Storage temperature
range

–25 to 60°C

Protection class of housing  II, see Attention

Housing protection

IP 30 / isolated

Degree of polution 

2

Software class 

A

Calculation impulse voltage 2,5 kV

Temperature for the Ball
compression test 

75°C

Voltage and Current for
the for purposes of
interfernce measurements  230 V, 0,1 A

Remote sensor

(not included)

Item number

362238

Degree of protection
EN 60529

IP 67

Cable

PVC 2 x 0,5 mm

2

,

length 4 m

Operating temperature

 –25 to +70 °C

Characteristics of NTC resistor

These characteristics relate to the below shown remote
sensor see Illustrations 3, 4

Temperature range 10…60 °C

[k

Ω

]

10°C

66,8

20°C

41,3

30°C

26,3

40°C

17,1

50°C

11,3

60°C

7,5

Ohmic values only can be tested on disconnected
sensor cable

6. Dimensions drawing:

Illustration 3

362238 Remote sensor

Illustration 4

362237  Room sensor

Illustration 5

Control

75 x 75 x 25,5 mm

20

Ø7,8

1. Applications:

These air conditioning controllers are used in air
 conditioning systems for the control of two-tube or
four-tube fan coils, heat pumps with reversing valve,
heat recovery systems, chilled-water systems, venti-
lation systems, etc.

2. Functional description:

Design:

Electronic controller with built-in or external tempera-
ture sensor

• 

three-speed fan switch (slow, medium, fast)

• 

four-setting mode selector switch (heat, off, cool,
ventilate)

Jumper 1 

(Illustration 1) closed (long period 18 min.):

for use with compressor

Jumper 1 

(Illustration 1) open (short period 4 min.):

for use with fan coil

Jumper 2 

(Illustration 1) closed: 

the actual temperature is continuously displayed

Jumper 2 

(Illustration 1) open: 

the setpoint temperature is continuously displayed.

Illustration 1

ATTENTION 

z

The controller may only be opened by an
expert and to be installed according to wiring
diagram inside cover. The current regulations
for safety at work have to be observed. 

Ö

Will be achieved by relevant installation
procedures (acc. to VDE 0100) and by cor-
rect mounting on smooth surface non-
conductive and non-flammable.

This controller which can be installed indepen-
dently is designed exclusively for regulating
the temperature indoors in dry and enclosed
rooms under normal environmental conditions.
This device is created according DIN EN 60730,
it is working according operation principle 1C.

In order to achieve protection class 2,
specific mounting procedures have to be
followed accordingly.

468 931 003 436-3

Operating instructions

Air conditioning controller
TYPE TSHK 68. F …

z

Fr. Sauter AG
CH-4016 Basel (Schweiz)
Tel. +41 61-695 55 55
Fax +41 61-695 55 10
www.sauter-controls.com
e-mail: [email protected]

Errors possible – subject to alterations

MV505726 036 B

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