Parameter settings
Use the local HMI to adjust control parameters and optimize control performance. All control parameter settings are retained after power failure.
Proceed as follows to adjust the control parameters:
- Press and hold down
and 
at the same time for more than 3 seconds.
- Press
or 
within 2 seconds.
- P01's serial number flashes on the screen.
- Press or to select a desired parameter for adjustment, and then press
to confirm selection.
- Once a desired parameter is selected, the parameter's value begins to flash on the screen.
- Press or to select a desired parameter value, and then press to confirm selection.
- Repeat the above two steps to adjust other parameters.
- Press to exit parameter setting adjustment.
Control parameters
Parameter | Description | Factory setting | Setting range |
|---|---|---|---|
|
P01
| Application
| 1
| 0 = 2-pipe, 2-wire valve, heating only |
1 = 2-pipe, 2-wire valve, cooling only | |||
2 = 2-pipe, 2-wire valve, heating/cooling changeover manual | |||
3 = 2-pipe, 3-wire valve, heating only | |||
4 = 2-pipe, 3-wire valve, cooling only | |||
5 = 2-pipe, 3-wire valve, heating/cooling changeover manual | |||
6 = 4-pipe, 2-wire valve, heating/cooling changeover manual | |||
7 = 4-pipe, 2-wire valve, heating/cooling changeover auto | |||
P05 | Sensor calibration | 0 K | -5...+5 K (resolution 0.5 K) |
P06 | Standard temperature display | 0 | 0 = Room temperature (via built-in or X1 sensor) |
1 = Setpoint | |||
2 = Bus temperature | |||
P09 | Minimum setpoint in Comfort | 5 °C | 5 °C...P10 (not included) |
P10 | Maximum setpoint in Comfort | 35 °C | P09 (not included) ...40 °C |
P11 | Heating setpoint in Economy (WheatEco) | 15 °C | Off, 5 °C...WcoolEco |
P12 | Cooling setpoint in Economy (WcoolEco) | 30 °C | Off, WheatEco...40 °C |
P14 | Keylock function | 0 | 0 = No lock |
1 = Full lock (only the | |||
2 = Full lock (all buttons are locked) | |||
3 = Partial lock (setpoints are allowed to change via the +/- button; the | |||
P15 | Fan control deadzone in Comfort | 0 | 0 = Fan off |
1 = Fan speed 1 | |||
P16 | Fan operations | 1 | 0 = Disable |
1 = Enable | |||
P27 | Operating mode settings upon power failure | 0 | 0 = Return to previous operating mode |
1 = Protection | |||
2 = Comfort | |||
P28 | Timer with delay Off | 0 | 0 = Users to set on-time period |
1 to 23 = Preset with a fixed on-time in hours (resolution: 1 H) | |||
P30 | Multi-functional input (X1) function | 0 | 0 = Disable |
1 = External sensor (NTC 3k) | |||
2 = Keycard contact (normally open) | |||
3 = Keycard contact (normally close) | |||
P65 | Protection heating setpoint | 8 °C | Off, 5 °C...P66 or 40°C (when P66 = Off) |
P66 | Protection cooling setpoint | OFF | Off, P65 or 5 °C (when P65 = Off)...40 °C |
P71 | Reload factory setting | OFF | Off = Disable |
On = Reload start “---” is displayed for 3 seconds while reloading | |||
P91 | Device address | 1 | 1...247 |
P92 | Baud rate | 2 | 0 = 4800 bps |
1 = 9600 bps | |||
2 = 19200 bps | |||
3 = 38400 bps | |||
P93 | Parity | 1 | 0 = Odd |
1 = Even | |||
2 = No parity | |||
D00 | Fault information |
| 1 = No fault |
2 = Communication | |||
3 = Internal sensor | |||
4 = Input X1 | |||
D01 | Hardware version |
| xxx is displayed |
D02 | Software version |
| xxx is displayed |