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EPH CONTROLS CDT2-24 Room Thermostat Instruction Manual
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Operating Instructions
CDT2-24 Room Thermostat with Delay Start
16. Time Proportional Integral Mode (TPI)
When the thermostat is in TPI mode and the temperature is rising in the
zone and falls into the Proportional Bandwidth section, TPI will start to
affect the thermostats operation. The thermostat will turn on and off as it
gains heat so that it doesn’t overshoot the setpoint by too much. It will also
turn on if the temperature is falling so it doesn’t undershoot the setpoint
which will leave the user with a more comfortable level of heat.
There are 2 settings that will affect the thermostats operation:
1. The Number of Heating Cycles Per Hour
2. The Proportional Bandwidth
6 Cycles
CyC - Number of Heating Cycles per Hour:
This value will decide how often the thermostat will cycle the heating on
and off when trying to achieve the setpoint temperature. You can select
2/3/6 or 12.
2˚C
Pb - Proportional Bandwidth:
This value refers to the temperature below the setpoint at which the
thermostat will start to operate in TPI Control. You can set this temperature
from 1.5˚C to 3.0˚C in 0.1˚C increments.
TPI Control
Temp
22˚C
Setpoint Temperature
21˚C
20˚C
Proportional Bandwidth
19˚C
18˚C
17˚C
Time Minutes
0
20
40
60
80
100
Heating On
Heating Off
Example – Program 1 on the thermostat is 21°C for 06:30am and the room temperature is
18°C. The thermostat will start the heating at 06:30am and the heat will start to increase
then but will switch itself off before it reaches temperature and allow the room temperature
to increase naturally – this cycle may begin again if the thermostat isn’t reaching
temperature.
EPH Controls Ireland
EPH Controls UK
20221006_CDT2-24-DS_Opins_PK
| General | Details |
|---|---|
| Name | EPH CONTROLS CDT2-24 Room Thermostat Instruction Manual |
| Make | EPH CONTROLS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.19 MB |
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