U S E R M A N U A L
Type OTN2 / OTD2 with room or floor sensor
Contents
Introduction ................................................................................ 1
Microline product programme ................................................. 1
CE marking................................................................................. 1
Technical data ............................................................................ 1
Introduction
Microline
electronic thermostat for installation in standard wall
®
box. The thermostat allows the required temperature to be set
within the range 0-40°C. An LED indicates whether heating is
active. The thermostat is suitable for ELKO and NORWESCO
systems S-16, RS-16 and UNI-10. An extra frame is supplied with
the unit.
Microline product programme
OTN2-1991 with floor sensor
OTN2-1999 with built-in room sensor
OTD2-1999 with built-in room sensor and external limitation sensor
CE marking
Applied standards
EN 61000-6-3, EN 61000-6-2, EN 60 730-1 and EN 60730-2-9.
The product may only be used if the complete installation complies
with current directives.
The thermostat must only be installed by an authorised electrician.
If the product has been damaged in any way, e.g. during transport,
it must be inspected and checked by authorised personnel before
being connected to the power supply.
The product carries a manufacturer's warranty if installed in ac-
cordance with these instructions and applicable regulations.
Type OTN2 / OTD2
with room or floor sensor
English .......................1
Deutsch .....................4
Русский ...................7
Polski .......................10
Українська ..............13
Sensor installation ..................................................................... 2
Installation of thermostat ........................................................ 2
Environment protection/recycling ........................................... 3
Product disposal ........................................................................ 3
Technical data
Purpose of control .............Electronic room thermostat for regulating
Voltage .......................................................... 230 V AC ±15% 50 Hz
Max. pre-fuse ............................................................................ 16 A
Built-in circuit breaker ...................................................2-pole, 16 A
Output relay ........................................... Make contact - SPST - NO
Output ................................................................Max. 16 A / 3600 W
Control principle .................................................................. ON/OFF
Temperature range ............................................................. +0/+40°C
Difference/hysteresis ................................................................ 0.4°C
Economy temperature ...........................................5°C (2-8°C OTD2)
- control voltage signal ....................................................... 230 V AC
Frost protection temperature ........................................5°C absolute
- control voltage signal via rectifier diode ......................... 230 V AC
Range limits .......................................................................min./max.
Sensor fault protection ............................................................. -20°C
Ambient operating temperature ............................................ 0/+30°C
Method of mounting ....................should be mounted independently
Type of action..... ......................................................................... 1.B.
Control pollution degree.... .............................................................. 2
Software class..... ............................................................................ A
Overvoltage category ......................................................................III
Rated impulse voltage..... ............................................................ 4kV
Ball pressure temperature..... .................................................. 125°C
Dimensions ..................................................... H/84, W/84, D/40 mm
Enclosure rating ........................................................................ IP 21
The thermostat is maintenance free.
© 2015 OJ Electronics A/S
English
electric underfloor heating
in a wall box in the fixed installation
1