COPELAND 026-1739 Programmable Touchscreen Thermostat User Manual
3.8.2 Thermostat Stage(s) Behavior
Figure 3-32 below briefly describes the behavior of the thermostat according to the room temperature, setpoints, and stage(s)
that is or are activated.
Figure 3-32 - Thermostat Behavior
The DEAD BAND MINIMUM, HYSTERESIS and STAGE DIFF parameters have write access. A special
precaution must be taken in this case because these parameters are often linked together and
some interference could occur if those parameters are not set properly.
CAUTION
3.8.3 Input Settings
Although the input can accept up to 10V voltage, the IN4 has
been adapted for a 0-5V sensor. So, = 0%RH and
5V = 100%RH.
There are 5 inputs terminal (IN1 to IN5) that can be configured.
Each input terminal has MODE, STATE and OFFSET Modbus
parameters. Also, IN1 has a supplementary WEIGHT Modbus
parameter. These configuration registers will affect the INPUT
VALUE and CONTROL TEMPERATURE Modbus registers.
Table 3-11 - Input In State
INPUT INx STATE
Table 3-10 - Input In Modes
INPUT INx MODES
OFF
The input is not used.
The thermostat updates the INPUT VALUE
(INx) with the value provided by the
corresponding local INx terminal.
Local terminal connected to a digital
switch.
Digital
LOCAL
Thermistor
0-10V
Local terminal connected to a thermistor.
The network updates the INPUT VALUE
(INx) with the value provided by Modbus.
REMOTE
Local terminal connected to 0-10V
voltage.
Input modes are configured to the following settings and are
read only.
IN1 = Thermistor (used for the Indoor temperature)
IN2 = Thermistor (used for the Outdoor temperature)
IN3 = Thermistor (used for the Supply Air temperature)
IN4 = 0-10V (Used for a Remote Humidity sensor)
IN5 = Digital (used for a Fan proof input)
17
©2024 Copeland LP.
026-1739 R4 Programmable Touchscreen Thermostat
| General | Details |
|---|---|
| Name | COPELAND 026-1739 Programmable Touchscreen Thermostat User Manual |
| Make | Copeland |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.72 MB |
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