The thermostat is an electronic on/off thermo-stat for temperature control by means of an NTC sensor located either externally or inter-nally within the thermostat.
The thermostat is for flush mounting in a wall socket. A baseplate for external wall mounting is available.
IMPORTANT SAFETY INSTRUCTIONS
Warnings: To avoid electric shock, disconnect the heating system power supply at the main panel before carrying out any work on this thermostat and associated components.
Cautions
This instruction must be observed, oth-erwise the liability of the manufacturer shall be voided.
Any changes or modifications made to this thermostat shall void the liability of the manufacturer.
Maximum product lifetime is achieved if the product is not turned off but set at the lowest possible set point / frost protection when heat is not required.
Notice
The language used in the original docu-mentation is English.
Other language versions are a transla-tion of the original documentation.
OJ cannot be held liable for any errors in the documentation. OJ reserves the right to make alterations without prior notice.
Content may vary due to alternative software and/or configurations.
Thermostat
Mounting of sensor
Sensor cable recommendations
Opening the thermostat
Ensure that the main and load cables are con-nected as shown in the figure.
Mounting of thermostat
DO NOT open the thermostat by releasing the four fixing clips on the back.
First time settings
The first time the thermostat is connected, push the power slide button to On “I”. Language, time and date must be set using the buttons:
Programming
See user manual.
Fault location
If the sensor is disconnected or short-circuited, the heating system is switched off. The sensor can be checked against the resistance table
(fig. 5).
Error codes
The thermostat is maintenance free.
Keep the thermostat’s air vents clean and unob-structed at all times.
The thermostat may only be cleaned with a dry cloth.
Regulations
OJ Electronics A/S hereby declares that the product is in conformity with the following direc-tives of the European Parliament:
Applied standards
According to the following standard:
Classification
Protection from electric shock must be assured by appropriate installation. Must be installed according to the requirements of Class II (rein-forced insulation).
DISPOSAL AND RECYCLING Environment and recycling
Protect the environment by disposing of the package in compliance with local regulations for waste processing.
Recycling of obsolete appliances Equipment containing electrical components must not be disposed of along with domestic waste.
It must be separately collected to-gether with electrical and electronic waste in accordance with current local regulations.
Supply
Output
Mounting
CONTACT INFORMATION OJ ELECTRONICS A/S
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OJ ELECTRONICS MCC4 Clock Thermostat Instruction Manual
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OJ ELECTRONICS MCC4 Clock thermostat User Manual
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