KSTb

KSTb
KSTb ------------------------------------------------------------------------------------------------------------------------------KSTb
Room unit for temperature
KSTb
FUNCTION
KST is used in the e.r.i.c. system for individual control of the room temperature. All room units feature a temperature sensor this is
affected by the temperature in the surrounding air and by radiant heat from the room. KST 2 and 4 variants have modular jacks for
the connection of operator panel KOP which provides direct access to the regulator’s LonWorks-parameters. KST 1 is intended for
the LonWorks-system with remote setting of the required room temperature.
QUICK FACTS
• Temperature sensor of the thermistor type
• Connecting the operator panel KOP
• Adjustable set point value for the room temperature
• Lockable setting range for the temperature
• Available with a button for overtime work
• Green running mode
Figure 1. Placement of the room unit KST.
Registered design. The company reserves the right to make design changes without prior notice.
1
Swegon e.r.i.c. 2004 - rev. 2005, 20 October
www.swegon.se
KSTb
-----------------------------------------------------------------
DESIGN
KST is a temperature sensor this is affected by the temperature in the surrounding air and by radiant heat from the room.
KST 2 and 4 variants have modular jacks for the connection of
operator panel KOP and a LED with the following functions:
Comfort mode = on, Standby = flashing, Shutoff = off. The
functions are controlled by the regulator KCD, KCW or
KRF, that KST is conntected to. There are further functions
available depending on the type of room unit, e.g. bypass
switch and set point value adjustment. The bypass button is
only selected if a master control system sets the regulators in
the different operating modes. KST 1 is selected for systems
where only the room temperature is to be read on the regulator and where other functions are managed by a master system.
Figure 2. Design.
DIMENSIONS
MATERIALS AND SURFACE TREATMENT
Manufactured in white and grey ABS-plastic.
INSTALLATION (See figure 1)
KST is ideally installed between 1.5 to 2 m above the floor on
an optional wall in the room. Must not be exposed to direct
sunlight.
MAINTENANCE
Dirty products may only be cleaned dusting or wiping with a
damp cloth.
DECLARATIONS
The product is CE marked.
CE declaration and Environmental Product Declaration are
available from our website.
CONNECTION
Connections are made according to the wiring diagram for
the product that KST is to be connected to, see KCD, KCW or
KRF.
Electrical data
Ambient temperature:
Operation
Storage
Relative humidity
0°C -+50°C
-40°C -+70°C
max 90% RH
(non condensing)
Enclosure:
Material
Enclosure class
Sensor, thermistor
Accuracy, sensor, 0 to +35°C
Time constant
ABS-plastic
lP 20
1800 Ω at 25°C
±0,3°C
approx. 7 min
KST variants
Variants
1
2
4
Figure 3. Dimensions.
Wire cross-section requirements
Cable from room units max 30 m with 0.7 mm2. Connection
to LONTALK® TP/FT-10 Free Topology Channel should be
made using twisted pair cable. More information is avaible in
our electrical guide that can be found on our website.
ORDER KEY
Product designation
Room unit
Variants:
1, 2 or 4
See table
Operating
indicator
Bypassbutton
x
x
x
x
x
x
x
-a
SPECIFICATION EXAMPLE
Example of the specification text according to VVS AMA.
GT XX
Swegon room unit for temperature control type KSTb which
is included in the e.r.i.c. system, with the following functions:
•
•
•
•
•
Temperature sensor of the thermistor type
Connecting the operator panel KOP
Adjustable set point value for the room temperature
Lockable setting range
LED to indicate the operating mode
Type:
Temp.sensor
KSTb
Set point
value setting
x
x
2
Swegon e.r.i.c. 2004 - rev. 2005, 20 October
www.swegon.se
KSTb 2
xx st
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