Home > EPH CONTROLS > EPH CONTROLS CDC2 Cylinder Room Thermostat User Guide
EPH CONTROLS CDC2 Cylinder Room Thermostat User Guide
| General | Details |
|---|---|
| Name | EPH CONTROLS CDC2 Cylinder Room Thermostat User Guide |
| Make | EPH CONTROLS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.66 MB |

EPH CONTROLS eTRV-HW Smart Cylinder Thermostat User Guide

EPH CONTROLS eTRV-HW Smart Hot Water Thermostat Instruction Manual

EPH CONTROLS eTRV Smart Radiator Thermostat Instruction Manual

EPH CONTROLS 20221026 RFRA – RF Room Thermostat Instruction Manual

EPH CONTROLS CDTP2 Hardwired Room Thermostat Instruction Manual

EPH Controls CDT2-24 24V Room Thermostat Installation Guide

EPH CONTROLS RFCA RF Cylinder Thermostat Instruction Manual

EPH CONTROLS PR092K7 RF Cylinder Thermostat Instruction Manual

EPH CONTROLS COMBIPACK2 Smart Thermostat with Automation and Optimum Start Instructions

EPH CONTROLS CRT2 Room Thermostat Instruction Manual

EPH Controls CDC2 Manual: Questions and Answers
EPH Controls CDC2 specifications
| Maximum load | 10(3)A 230VAC |
| Setpoint range | Hot Water 5 … 90˚C |
| Operating temperature | 0 … 45˚C |
| IP rating | IP20 |
| Dimensions | 91 x 91 x 26mm |
| Power consumption | 1.5W |
| Frost protection | On (5˚C) |
Where is the temperature sensor on the EPH Controls CDC2?
The temperature sensor location depends on your setup: on a cylinder's bottom third, in a cylinder pocket, on a pipe surface, or in an NTC sensor housing mounted 1.5 metres above floor level. User Guide, p. 10
What's the difference between Normal and Delay Start on EPH Controls?
| Mode | Behavior |
|---|---|
| Normal | Heat activates when temperature falls below target, cancels when it rises above |
| Delay Start | Heating delayed by variable time based on temperature gap; icon flashes until activation |
What does 'dS' mean on the EPH Controls CDC2 display?
Delay Start mode is active. The thermostat is holding back heating activation based on the temperature difference from your target. User Guide, p. 21
What happens if the temperature is 6°C or more below the target?
The thermostat switches on immediately instead of delaying. User Guide, p. 20
What do the display symbols mean on EPH Controls?
OFF indicates the thermostat is turned off. A lock icon appears when the keypad is locked.
| Symbol | Meaning |
|---|---|
| OFF | Thermostat is in off mode |
| Lock icon | Keypad is locked and buttons disabled |
EPH Controls CDC2 compared with other EPH Controls thermostats
| Specification | EPH Controls CDC2 | EPH Controls CDT2-24 | EPH Controls RDTP Recessed | EPH Controls RDTP-24 Recessed |
|---|---|---|---|---|
| Maximum load | 10(3)A 230VAC | 5(1)A 24VAC | 10(3)A 230VAC | 5(1)A 24Vac |
| Setpoint range | Hot Water 5 … 90˚C | 5 … 35˚C | 5 … 35˚C | 5 … 35˚C |
| Operating temperature | 0 … 45˚C | 0 … 45˚C | 0 … 45˚C | 0 … 45˚C |
| IP rating | IP20 | IP20 | IP20 | IP20 |
| Dimensions | 91 x 91 x 26mm | 91 x 91 x 26mm | 95 x 95 x 40mm | 95 x 95 x 40mm |
| Power consumption | 1.5W | 1.1W | Operating <1W | Operating <1W |
| Frost protection | On (5˚C) | On (5˚C) | On (5˚C) | On (5˚C) |












































