Zone

Holding Registers

0x900 - SetZoneID

Set Zone ID that indicates what zone is being changed.

Parameter name

Description

Min

Max

RANGE_1_31

Range 1-31

1

31

0x901 - EnableDisableZone

Enables or disables all zone devices.

Parameter name

Description

Value

OFF_0

Disabled.

0

ON_1

Enabled.

1

0x902 - ZoneTRef

Target temperature.

Parameter name

Description

Min

Max

Step

Multiplier

TEMP_REF

Target temperature.

50

450

5

0.1

0x903 - ZoneAntifreeze

Enable zone antifreeze.

Parameter name

Description

Value

ON_1

Enabled.

1

OFF_2

Disabled.

2

0x904 - ZoneAntifreezeTempRef

Target temperature to enable zone antifreeze.

Parameter name

Description

Min

Max

Step

Multiplier

AF_WH_TEMP_REF

Target temperature.

50

150

5

0.1

0x905 - ZoneTLeadSensorSelect

Lead sensor selection.

Parameter name

Description

Value

TLST_LEAD

Temperature value transmitted via Modbus

1

TLST_T4

Temperature measured by T4 sensor (room temperature)

3

TLST_CONTROLLER

Temperature measured by internal controller sensor

4

0x906 - ZoneSensorOffset

Zone sensor offset.

Parameter name

Description

Min

Max

Step

Multiplier

LEAD_SENSOR_TEMP_OFFSET

Temperature sensor offset.

-100

100

5

0.1

0x907 - T4SensorOffset

T4 average sensor offset.

Parameter name

Description

Min

Max

Step

Multiplier

LEAD_SENSOR_TEMP_OFFSET

Temperature sensor offset.

-100

100

5

0.1

0x908 - ZoneExternalSignalEnable

External signal handling.

Parameter name

Description

Value

OFF_0

Disabled.

0

ON_1

Enabled.

1

0x909 - ZoneExternalSignalDrvUid

External signal drv UID

Parameter name

Description

Min

Max

RANGE_1_31

Range 1-31

1

31

0x90A - TLeadVal

Lead temperature sensor value.

Parameter name

Description

Min

Max

Step

Multiplier

LEAD_SENSOR_TEMP

Lead temperature sensor value.

-600

600

5

0.1

Input Registers

0x900 - ZoneID

Zone ID

Parameter name

Description

Min

Max

RANGE_1_31

Range 1-31

1

31

0x901 - AverageZoneTemp

Average temperature measured by local temperature sensors in the zone.

Parameter name

Description

Min

Max

Value

Step

Multiplier

TEMPERATURE

Temperature.

-1500

2000

5

0.1

SHORT_CIRCUIT

Short circuit.

28672

PT1000_NC

Sensor not connected.

32767

0x902 - ZoneDeviceCount

Zone devices count.

Parameter name

Description

Min

Max

RANGE_0_31

Count in range 0-31.

0

31