INSTRUCTION
i
Read this instruction before installation
and wiring of the product
DBTV
Consult documentation in all cases where this symbol
is used, in order to find out the nature of the potential
hazards and any actions to be taken
1
DBTV
Mechanical immersion thermostat
DBTV is a serie of electro-mechanical thermostats for use in cooling,
heating and ventilation systems.
Technical data
Sensor element
Liquid-filled copper bulb
Contacts
Dust-tight microswitches with SPDT
contacts (heat/cool)
Breaking capacity
15 (8) A, 24...250 V AC
Ambient temperature
-35…+65°C
Ambient humidity
10…90 % RH (non-condensing)
Housing
Bayblend
®
base, ABS cover
Protection class
IP65
Isolation class
1
Weight
440 g
Storage temperature
-40…+70°C
Storage humidity
up to 95% RH
Article
Temperature
range
Hysteresis
Max. temp.
bulbo
Hidden
setpoint
DBTV-1
-30…+30 °C
2…20 K
60 °C
-
DBTV-2U
-30…+30 °C
1 K
60 °C
X
DBTV-7
0…60 °C
2…20 K
75 °C
-
DBTV-7U
0…60 °C
2…20 K
75 °C
X
DBTV-8
0…60 °C
1 K
75 °C
-
DBTV-8U
0…60 °C
1 K
75 °C
X
DBTV-11
50…120 °C
1 K
140 °C
-
DBTV-16
20…90 °C
2…20 K
100 °C
-
DBTV-17
20…90 °C
1 K
100 °C
-
DBTV-17U
20…90 °C
1 K
100 °C
X
DBTV-18
20…90 °C
Maximum manual
reset
100 °C
-
DBTV-18U
20…90 °C
Maximum manual
reset
100 °C
X
Before installation or maintenance, the power supply must first be discon
-
nected in order to prevent potentially lethal electric shocks! Installation or
maintenance of this unit should only be carried out by skilled professio
-
nals.
Installation
The unit can be mounted in any position.
Remove the external knob and unscrew both screws on the cover. Use
the supplied screws when mounting on wall or other surface.
Wiring
Heating:
Connect to the red and blue terminal. The contact will open when the
temperature rises.
Cooling:
Connect to the red and white terminal. The contact will open when the
temperature drops.
Logic activation
Hysteresis adjustment in the stage
Reset
The set range may be calibrated by carefully turning screw under the
cover.
+
-
REV
.A
JUN 17
EN
Red
Blue
White
ON
ON
OFF
OFF
Δ
NS
Δ
NS
Heating
Contacts red-blue
Cooling
Contacts red-white
ΔNS: hysteresis
TSET: setting setpoint
ON: closed contact
OFF: open contact
regulation from 2...20 K
