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OJ ELECTRONICS MCD3 Digital Thermostat Instructions
MCD3-1999-UAE6
INSTRUCTIONS
• English
| General | Details |
|---|---|
| Name | OJ ELECTRONICS MCD3 Digital Thermostat Instructions |
| Make | OJ Electronics |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.22 MB |
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OJ Electronics MCD3 specifications
| Power supply | 230-240VAC, 50/60 Hz |
| IP rating | IP 21 |
| Power consumption | 0.75 W |
How do I open the OJ Electronics MCD3 thermostat to access the terminals?
Use a small screwdriver to release clips at the bottom corners, then gently pull the front cover away from the rear part.
- Switch off the thermostat.
- Insert a small screwdriver in the bottom right slot and turn the handle outwards while pulling the right side towards you a few millimetres.
- Insert the screwdriver into the bottom left slot and turn outwards while pulling the left side towards you a few millimetres.
- Pull the front gently away from the rear part. Instructions, p. 7
Where is the ON/OFF switch on OJ Electronics thermostats?
On the left side of the thermostat, behind the front cover. Push it up to turn the device on. Instructions, p. 8
What is the recommended mounting height above the floor?
Approximately 1.5 m. Instructions, p. 7
What do error codes E0, E1, E2, E5 mean on OJ Electronics MCD3?
| Code | Meaning |
|---|---|
| E0 (C-5E) | Internal Compensation Sensor Error. Thermostat must be replaced. |
| E1 (I-5E) | Internal Sensor Error. Replace thermostat or use floor sensor only. |
| E2 (E-5E) | External Sensor Error. Reconnect if disconnected, or replace sensor. |
| E5 (I-OH) | Internal OverHeat. Inspect the installation. |
Why does OJ Electronics MCD3 display E1 Internal Sensor Error?
Built-in sensor is defective or short-circuited. Replace the thermostat or switch to floor sensor only. Instructions, p. 12
OJ Electronics MCD3 compared with other OJ Electronics thermostats
| Specification | OJ Electronics MCD3 | OJ Electronics MCD5 |
|---|---|---|
| Power supply | 230-240VAC, 50/60 Hz | 100-240 VAC 10% 50/60 Hz |
| IP rating | IP 21 | IP 21 |
| Power consumption | 0.75 W | 0.5 W |
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