homematic IP C-2 Radiator Thermostat Instruction Manual
| General | Details |
|---|---|
| Name | homematic IP C-2 Radiator Thermostat Instruction Manual |
| Make | Homematic IP |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.54 MB |
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Homematic IP C-2 Manual: Questions and Answers
Homematic IP C-2 specifications
| Power supply | 2x 1.5 V LR6/mignon/AA |
| Battery life | 5 years (typ.) |
| Operating temperature | 0 to 50 °C |
| IP rating | IP20 |
| Dimensions | 51 x 98 x 48 mm |
| Weight | 172 g (including batteries) |
What is the metal nut on the Homematic IP C-2 for?
The metal nut attaches universally to radiator valves with M30 x 1.5 threads from manufacturers like Heimeier, MNG, Junkers, Landis&Gyr, Honeywell-Braukmann, Oventrop, Schlösser, Comap, and others. Instruction Manual, p. 44
How do I pair my Homematic IP C-2 to the Access Point?
Open the Homematic IP app, select Pairing device, remove the battery compartment cover, and remove the insulation strip to activate pairing mode for 3 minutes.
- Open the Homematic IP app on your smartphone.
- Select the menu item Pairing device.
- Open the lock of the battery compartment using the supplied Allen head wrench.
- Remove the battery compartment cover by sliding it back and downwards.
- Remove the insulation strip from the battery compartment.
- Enter the last four digits of the device number (SGTIN) in the app or scan the QR code when the device appears. Instruction Manual, p. 43
How long does pairing mode stay active on the Homematic IP?
Pairing mode remains activated for 3 minutes after removing the insulation strip. Instruction Manual, p. 43
What's the difference between the two-pipe and single-pipe heating modes?
Two-pipe systems have one feed and return line per radiator and control room temperature as designed. Single-pipe systems can cause strong temperature deviations due to flow fluctuations. Instruction Manual, p. 39
When are new batteries needed in Homematic IP C-2?
Replace batteries when the device LED flashes the empty battery code or the app shows the empty battery symbol. Instruction Manual, p. 52
What do the error codes mean on my Homematic IP?
| Flashing code | Meaning |
|---|---|
| Short red flashing in 10 s intervals | Valve drive sluggish or adjustment range too small |
| Short red flashing in 10 s intervals | Actuating range too wide |
| Short orange flashing | Radio transmission/attempting to transmit/configuration data is transmitted |
| 1x long green lighting | Transmission confirmed |
| 1x long red lighting | Transmission failed or duty cycle limit is reached |
| Short orange flashing every 10 s | Pairing mode active |
What does the red LED flashing on my Homematic IP C-2 mean?
One long red flash indicates transmission failed or the duty cycle limit has been reached. Short red flashing in 10 second intervals signals a valve drive issue or adjustment range problem. Instruction Manual, p. 56
Why isn't my Homematic IP C-2 heating responding to commands?
Check these possible causes for a failed transmission.
- Receiver cannot be reached
- Receiver is unable to execute the command, such as from load failure or mechanical blockade
- Receiver is defective
- Radio interference is present Instruction Manual, p. 54
Homematic IP C-2 compared with other Homematic IP thermostats
| Specification | Homematic IP C-2 | Homematic IP HmIP-WTH-B-2 | Homematic IP HmIP-eTRV-2 | Homematic IP HmIP-eTRV-CL |
|---|---|---|---|---|
| Power supply | 2x 1.5 V LR6/mignon/AA | 2x 1.5 V LR6/mignon/AA | 2x 1.5 V LR6/Mignon/AA | 4x 1.5 V LR6/Mignon/AA |
| Battery life | 5 years (typ.) | 5 years (typ.) | 2 years (typical) | 7 years (typical) |
| Operating temperature | 0 to 50 °C | 0 to 50 °C | 0 to 50°C | 0 to 50 °C |
| IP rating | IP20 | IP20 | IP20 | IP20 |
| Dimensions | 51 x 98 x 48 mm | 85 x 85 x 22 mm | 58 x 71 x 97 mm | 54 x 108 x 65 mm |
| Weight | 172 g (including batteries) | 140 g (including batteries) | 205 g (including batteries) | 260 g (including batteries) |
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