User Manual

Siemens Building Technologies CA1N1224E / 11.1998
Landis & Staefa Division 1/2
1
224
Capillary thermostat TKM2D
for air ducts
Capillary thermostat for control and monitoring of air duct temperatures.
•
Switch-over contact AC 250 V / 10(2) A
•
Measuring range –10 ... 35 °C
The TKM2D capillary thermostat is typically used for monitoring the frost temperature in
air ducts. When the duct temperature rises to the preselected setpoint the thermostat
switches over.
The capillary thermostat and any accessories required must be ordered separately.
Please state quantity, names and type designations when ordering.
Example:
1 capillary thermostat TKM2D
and
1 pocket Z620
The capillary thermostat housing is made of plastic and is equipped with a removable
cover, which is fixed with 2 screws. The housing is fixed to a metal mounting plate.
The sensor in the capillary thermostat operates according to liquid expansion principles.
To adjust the two settings, remove the housing cover.
Switching differential
∆
t
adjustable 2 ... 6 K
9K801
°
C
35
30
25
20
15
10
5
0
-5
-10
–
+
Dt
Setpoint X
K
adjustable –10 ... 35 °C
2
1
3
2
1
3
y
X
K
∆t
[
x
D ]
t[°C]
9I803
Use
Ordering
Technical design
Adjustments
Operating diagram