INSTRUCTION
i
Read this instruction before installation
and wiring of the product
MTIBL90H
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
MTIBL90H
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
90
30
I
I
I
I I I
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.
1 2 3
<T
Logic-activation
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, [email protected]
12890C
DEC 17
EN
ON
ON
OFF
OFF
Δ
NS
Δ
NS
Heating
Contacts 2 - 3
Cooling
Contacts 1 - 2
ΔNS: Hysteresis
TSET: Setting setpoint
ON: Closed contact
OFF: Open contact
