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Installation Instructions
Speci cations
Operating Voltage
Output relay
Setting temperature range
Operating temprature range
Battery lifetime
Wiring
IP rating
OpenTherm software version
Low load control
Control
Operating mode
Construction
Pollution degree rating
Rated impulse voltage
Ball pressure test
Dimensions (mm)
Software Classi cation
Battery back up time
Terminals
ErP Class
The products represented within this document are classi ed according
to, and allow completion of, the Energy Related Product (ErP) Directive
System Package che and the ErP system data label. ErP Labelling
obligation is applicable from 26th September 2015.
ERP Class Product Function and ErP Description
V
ErP
5
Product
Class
4
Modulating Room Thermostat, for use with
modulating heaters
An electronic room thermostat that varies
the ow temperature of the water leaving
the heater dependent upon measured room
temperature deviation from room thermostat
set point. Control is achieved by modulating
the output of the heater.
TPOne-OT
24 V DC power line from boiler
3 V DC (2 X AA batteries)
Data 24 V DC BUS
5-35°C
0 - 40°C
Min. 2 years
Conductor size min. 0.5mm
IP20 (installed)
v4.01
Yes
Modulating control of OpenTherm
compatible gas boilers
Heating
EN 60730-2-9, EN 60730-2-7
Degree 2
4 kV
75°C
H67 x W154 x D30
2 Hours
Max. 2.5mm
2
A
wires
2
Additional
e ciency
gain
3%
TPOne-OT
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