INSTRUCTION
EN
MTIBL90H
i
Read this instruction before installation
and wiring of the product
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
Boiler thermostat
MTIBL90H is a high quality electro-mechanical thermostat for use in
boiler systems.
Technical data
Sensor element
Liquid-filled copper bulb
Contacts
Dust-tight microswitches with SPDT
contacts (heat/cool)
Breaking capacity
16 (6) A, 24...250 V AC
Temperature range
0...90°C
Hysteresis
4±1 K
Max. bulb temperature
120 °C
Ambient temperature
-35...+65°C
Ambient humidity
10...90 % RH (non-condensing)
Housing
Bayblend
base, ABS cover
®
Protection class
IP54, class 1
Weight
560 g
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. Unscrew both screws on the
cover. Use the supplied screws when mounting on wall or other surface.
Set desired temperature range by turning the screw under the cover.
60
Wiring
Heating: Connect to terminal 2 and 3. The contact will open when the
temperature rises.
Cooling: Connect to terminal 1 and 2. The contact will open when the
temperature drops.
<T
1
2
3
MTIBL90H
Logic-activation
NS
ON
Heating
Contacts 2 - 3
OFF
NS
ON
Cooling
Contacts 1 - 2
OFF
ΔNS: Hysteresis
ON: Closed contact
TSET: Setting setpoint
OFF: Open contact
Reset
The set range may be reset by carefully turning the screw under the
cover.
Low Voltage Directive (LVD) standards
This product conforms to the requirements of the European Low
Voltage Directive (LVD) 2014/35/EU through product standards
EN 60335-1.
RoHS
This product conforms to the Directive 2011/65/EU of the European
Parliament and of the Council.
Contact
AB Regin, Box 116, 428 22 Kållered, Sweden
Tel: +46 31 720 02 00, Fax: +46 31 720 02 50
www.regincontrols.com, info@regincontrols.com
1
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