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EPH CONTROLS CP4B Battery Powered Programmable Thermostat User Guide
PO 1 Operating Mode (Normal / Optimum Start / TPI)
OS (Optimum Start Mode)
Boiler Plus
(Continued)
To achieve the target temperature when the program starts, the
thermostat will read:
1. The Room Temperature (RT)
2. The Setpoint Temperature (ST)
3. The Target Temperature Difference (TTD) is the difference
between the setpoint temperature and the room temperature .
The time (in minutes) that it will take to overcome (TTD) is called
Optimum Start Time (OST) and its maximum value is 3 hours = 180
mins. This is subtracted from the start time.
As the temperature increases the thermostat will recalculate the OST if
the temperature is increasing too quickly.
26
CP4B Room Thermostat
| General | Details |
|---|---|
| Name | EPH CONTROLS CP4B Battery Powered Programmable Thermostat User Guide |
| Make | EPH CONTROLS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.38 MB |

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