BDR THERMEA GTW-21 BACNet Feuille d'instructions

en Configuration manual

fr Notice de configuration

de Konfigurationsanleitung

es Manual de configuración

it Manuale di configurazione

pt Manual de Configuração

nl Configuratiehandleiding

GTW-21 BACNet

Contents

1 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.1 Symbols used in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

2 Description of the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.1 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.1.1 L-Bus connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

3.1.2 RJ45 connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.1.3 Reset button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.1.4 Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

4 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

4.1 Main appliance information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4.2 Single appliance or cascade configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2.1 Temperature and power control of the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.2.2 Reading out the water pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

4.2.3 Reading out the flow and return temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4.2.4 Reading out the status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

4.3 Zoning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3.1 Zoning addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3.2 Examples of zone addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4.3.3 Main zone info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.3.4 Main zone counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.3.5 Set temperature without outdoor temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.3.6 Fixed flow temperature setpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

4.3.7 Room temperature control in a zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.4 Main cascade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.5 Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.6 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.6.1 Fallback scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

4.6.2 Using the appliance with 0-10 V signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

1 About this manual

1.1 Symbols used in the manual

This manual contains special instructions, marked with specific symbols.

Please pay extra attention when these symbols are used.

Danger of electric shock

Risk of electric shock that may result in serious personal injury.

Caution

Risk of material damage.

Important

Please note: important information.

The symbols mentioned below are of lower importance, but they can help

you navigate or give useful information.

See

Reference to other manuals or pages in this manual.

en 1 Contents

2 7763253 - v.02 - 10032023

2 Description of the product

2.1 General description

The gateway is designed to operate as a communication interface

between a heating and/or cooling appliance and the building management

system (BMS) based on communication protocol BACNet®.

Fig.1 Overview

AD-3001660-01

90 80 90

1 3

1. Building management system

2. Gateway

3. Heating and/or cooling appliance

The gateway has the following features:

Monitor the appliances on the BMS.

Control the settings of the appliances from the BMS.

The main components are:

1L-Bus connectors

2RJ45 connector

3Status LED

4Reset button

3 Installation

3.1 Electrical connections

3.1.1 L-Bus connector

The L-Bus connector is used to connect to an appliance.

3.1.2 RJ45 connector

The RJ45 connector is used to connect an Ethernet network. The

connector has status lights. These show the current status:

Fig.2 GTW-21 BACNet

AD-3001614-01

Fig.3 L-Bus connector

AD-3001661-01

Fig.4 RJ45 connector

AD-3001662-01

2 Description of the product en

7763253 - v.02 - 10032023 3

Tab.1 Status

Light Description Status

Solid green High speed connection detec

ted

Solid yellow Low speed connection detec

ted

Blinking green Activity for high speed con

nection

Blinking yellow Activity for low speed connec

tion

Off No connection or activity

3.1.3 Reset button

The gateway has a reset button. This gives the possibility to restore the

factory defaults.

1. Press the reset button for 15 seconds.

Reset to the factory defaults starts.

3.1.4 Status LED

The gateway has a status LED. This shows the current status:

Tab.2 Status

Light Description Status

Solid green Normal operation

Solid red Internal failure

Blinking green Connection error (RJ45)

Blinking red Connection error (L-Bus)

4 Configuration

4.1 Main appliance information

You can find all the relevant object instances here for the main appliance.

Display codes in this manual are the same as friendly names referenced in

other manuals.

The relevant object instances for cascade and zoning are found in

the other chapters.

R is read and W is write access.

Tab.3 Appliance object instances

Object in

stance

Data type Description Resolution / Format Min - Max Access Display

code

272 Analog

Input

Current system power re

ceived from consumer man

ager of the zone

1% 0 to 100 R

275 Analog

Input

Bitfield heat demand per

zone; Nbr zone, power set

point, temp setpoint and type

of heat demand

0 - 2 R

277 Analog

Input

List of error for all connected

devices in the system

0 - 2 R

en 4 Configuration

4 7763253 - v.02 - 10032023

Object in

stance

Data type Description Resolution / Format Min - Max Access Display

code

279 Analog

Input

List of output status 1 infor

mation of all connected devi

ces in the system

See table ''Bitfields of

279'' below

384 Analog

Input

Instantaneous outside tem

perature

0,01 °C -70 - 70 R

385 Analog

Input

Seasonal mode active (sum

mer / winter)

Winter

Frost protection

Summer neutral band

Summer

0 - 3 R

400 Analog

Input

Flow temperature of appli

ance.

0,01°C -327,67 - 327,68 R

401 Analog

Input

Return temperature of appli

ance. The temperature of the

water entering the appliance.

0,01°C -327,67 - 327,68 R AM018

402 Analog

Input

Temperature of the exhaust

gas leaving the appliance

0,1°C 0 - 250 R AM036

403 Analog

Input

Heat pump flow temperature 0,01°C -20 - 120 R HM001

404 Analog

Input

Heat pump return tempera

ture

0,01°C -20 - 120 R HM002

408 Analog

Input

Flow temperature setpoint

Domestic Hot Water

0,01°C 0 - 655,35 R DM004

409 Analog

Input

Water pressure of the primary

circuit.

0,1 bar 0 - 3 R AM019

411 Analog

Input

Current main status of the ap

pliance.

See table ''AM012 Status'' R AM012

412 Analog

Input

Current sub status of the ap

pliance.

See table ''AM014 Sub-

status''

R AM014

413 Analog

Input

Actual relative power of the

appliance

% 0 - 100 R AM024

415 Analog

Input

Actual flame current meas

ured

0,1 µA 0 - 25 R GM008

419 Analog

Input

Total number of heat genera

tor starts for heating and do

mestic hot water

1 Units 0 - 65534 R PC002

421 Analog

Input

Total Number of hours that

the appliance has been pro

ducing energy for central

heating and DHW

1 Hours 0 - 65534 R PC003

423 Analog

Input

Number of starts of the first

electrical backup stage

1 Units 0 - 4294967295 R AC030

425 Analog

Input

Number of operating hours of

the first electrical backup

stage

1 Hours 0 - 4294967295 R AC028

427 Analog

Input

Number of starts of the sec

ond electrical backup stage

1 Units 0 - 4294967295 R AC031

429 Analog

Input

Number of operating hours of

the second electrical backup

stage

1 Hours 0 - 4294967295 R AC029

431 Analog

Input

Number of hours that the ap

pliance has been on mains

power

1 Hours 0 - 4294967295 R AC001

433 Analog

Input

Energy consumed for central

heating

1 kWh 0 - 4294967295 R AC005

435 Analog

Input

Energy consumed for domes

tic hot water

1 kWh 0 - 4294967295 R AC006

437 Analog

Input

Energy consumed for cooling 1 kWh 0 - 4294967295 R AC007

4 Configuration en

7763253 - v.02 - 10032023 5

Object in

stance

Data type Description Resolution / Format Min - Max Access Display

code

439 Analog

value

Total energy consumed 1 kWh 0 - 4294967295 R/W

441 Analog

value

Energy consumed by backup 1 kWh 0 - 4294967295 R/W AC018

443 Analog

value

Total thermal energy deliv

ered

1 kWh 0 - 4294967295 R/W

445 Analog

value

Thermal energy delivered for

central heating

1 kWh 0 - 4294967295 R/W AC008

447 Analog

value

Thermal energy delivered for

domestic hot water

1 kWh 0 - 4294967295 R/W AC009

449 Analog

value

Thermal energy delivered for

cooling

1 kWh 0 - 4294967295 R/W AC010

451 Analog

value

Energy delivered by electrical

or hydraulic backup

1 kWh 0 - 4294967295 R/W AC019

459 Analog

value

The current pump speed % 0 - 100 R/W AM010

460 Analog

input

Actual power of the appliance 1 kW 0 - 4294967295 R AM047

462 Analog

input

Calculated instantaneous

COP

0,001 0 - 1 R HM031

463 Analog

input

COP threshold which triggers

the switch between heat

pump and boiler operation

0,001 0 - 1 R HM032

Tab.4 Bitfields of 279

279 Bitfield

List of output status 1 information of

all connected devices in the system

0: Flame On

1: Heat pump On

2: Electrical Backup 1 On

3: Electrical Backup 2 On

4: DHW electrical backup On

5: Service required

6: Power down / Reset needed

7: Water pressure Low

Tab.5 AM012 - Status

Code Display text Explanation

0 Standby The appliance is in standby mode.

1 Heat Demand A heat demand is active.

2 Generator start The appliance starts.

3 Generator CH The appliance is active for central heating.

4 Generator DHW The appliance is active for domestic hot water.

5 Generator stop The appliance has stopped.

6 Pump Post Run The pump is active after the appliance stopped.

7 Cooling Active The appliance is active for cooling.

8 Controlled Stop The appliance does not start because the starting conditions are not met.

9 Blocking Mode A blocking mode is active.

10 Locking Mode A locking mode is active.

11 Load test min Low load test mode for central heating is active.

12 Load test CH max Full load test mode for central heating is active.

13 Load test DHW max Full load test mode for domestic hot water is active.

15 Manual Heat Demand Manual heat demand for central heating is active.

16 Frost Protection Frost protection mode is active.

17 Deaeration The deaeration program operates.

en 4 Configuration

6 7763253 - v.02 - 10032023

Code Display text Explanation

18 Control unit Cooling The fan runs to cool the inside of the appliance.

19 Reset In Progress The appliance resets.

20 Auto Filling The appliance fills the installation.

21 Halted The appliance has stopped. It must be reset manually.

22 Forced calibration The forced calibration function is active.

23 Factory test The factory test mode is active.

24 Hydronic balancing The hydronic balancing mode is active.

200 Device Mode The service tool interface controls the functions of the appliance.

254 Unknown The actual state of the appliance is undefined.

Tab.6 AM014 - Sub status

Code Display text Explanation

0 Standby The appliance waits for a process or an action.

1 AntiCycling The appliance waits to restart, because there were too many consecutive

heat demands (anti-short cycle).

2 CloseHydraulicValve An external hydraulic valve is opened, when this option is connected to the

appliance. An external option board must be connected to drive the valve.

3 ClosePump The appliance starts the pump.

4 WaitingForStartCond. The appliance waits for the temperature to meet the start conditions.

10 CloseExtGasValve An external gas valve is opened, when this option is connected to the ap

pliance. An external option board must be connected to drive the valve.

11 StartToGlueGasValve The fan runs faster, before the flue gas valve is opened.

12 CloseFlueGasValve The flue gas valve opens.

13 FanToPrePurge The fan runs faster to pre-purge.

14 WaitForReleaseSignal The appliance waits for the release input to close.

15 BurnerOnCommandToSu A burner start command is sent to the safety core.

16 VpsTest Valve proving test is active.

17 PreIgnition Ignition starts before the gas valve opens.

18 Ignition Ignition is active.

19 FlameCheck The flame detection is active after the ignition.

20 Interpurge The fan runs to purge the heat exchanger after a failed ignition.

30 Normal Int.Setpoint The appliance operates to reach the desired value.

31 Limited Int.Setpoint The appliance operates to reach the reduced internal desired value.

32 NormalPowerControl The appliance operates on the desired power level.

33 GradLevel1PowerCtrl The modulation is stopped due to a faster heat exchanger temperature

change than gradient level 1.

34 GradLevel2PowerCtrl The modulation is set to low load due to a faster heat exchanger tempera

ture change than gradient level 2.

35 GradLevel3PowerCtrl The appliance is in blocking mode due to a faster heat exchanger tempera

ture change than gradient level 3.

36 ProtectFlamePwrCtrl The burner power is increased due to a low ionisation signal.

37 StabilizationTime The appliance is in stabilisation time. Temperatures should stabilise and

temperature protections are switched off.

38 ColdStart The appliance runs at start load to prevent cold start noise.

39 ChResume The appliance resumes central heating after a domestic hot water interrup

tion.

40 SuRemoveBurner Burner demand is removed from safety core.

41 FanToPostPurge The fan runs to purge the heat exchanger after the appliance stopped.

42 OpenExtFlueGasValve External gas valve closes.

43 StopFanToFlueGVRpm The fan runs slower, before the flue gas valve is closed.

44 StopFan The fan has stopped.

45 LimitedPwrOnTflueGas The power of the appliance is decreased to lower the flue gas temperature.

46 AutoFillingInstall. The auto refill device fills the installation. The installation was empty.

4 Configuration en

7763253 - v.02 - 10032023 7

Code Display text Explanation

47 AutoFillingTopUp The auto refill device tops up the installation. The water pressure in the in

stallation was low.

48 Reduced Set Point The desired flow temperature is reduced to protect the heat exchanger.

49 Offset adaption Gas valve modulator offset correction is in progress.

60 PumpPostRunning The pump is active after the appliance stopped in order to bring the re

maining heat into the system.

61 OpenPump The pump has stopped.

62 OpenHydraulicValve The external hydraulic valve closes.

63 SetAntiCycleTimer

65 Generator relieved

66 HPFlowOverTMaxBckpON

67 ExtCondStopHeatPump

68 HybridStopHeatPump

69 DefrostWithHP

70 DefrostWithBckp

71 DefrostWithHPAndBckp

72 PumpSourceBackupRun

73 HPFlowOverTMax

74 SourcePumpPostRun

75 HumiditySensorStopHP

76 WaterFlowStopHP

78 HumidityInt.Setpoint

79 Generators relieved

80 HPRelievedForCooling

81 OutsideTempStopHP

82 HeatPumpOffOverLimit

83 DeAirPumpOnValveCH

84 DeAirPumpOnValveDhw

85 DeAirPumpOffValveCH

86 DeAirPumpOffValvDhw

88 BLInputBackupLimited

89 HPLimited

90 BackupAndHPLimited

91 BLInputLowTariff

92 PV-WithHP

93 PV-WithHPAndBckp

94 BLInputSmartGrid

95 WaitingForWaterpress The boiler is in wait state until the water pressure is sufficient. The deaera

tion program will not start.

96 NoProducerAvailable Heating power is not available in the system.

97 Increased min power

98 Decreased max power

102 FreeCoolingPumpOff

103 FreeCoolingPumpON

104 SourcePumpPreRunning

105 Calibration The electronic combustion process calibrates the combustion.

106 Blocking active

107 Warm up After the heat demand, the compressor will start up (ON, but not allowed to

go OFF) for a certain time.

108 Defrost curative Evaporator curative defrosting is active. The heating gas valve (HGV) is

opened to diverte all energy from the compressor to the evaprorator to re

move the ice.

en 4 Configuration

8 7763253 - v.02 - 10032023

Code Display text Explanation

109 Defrost preventive Evaporator preventive defrosting is active. The heating gas valve (HGV)

will open and close to distribute the compressor energy in a given cycle be

tween the DHW tank and the evaporator to prevent icing.

200 Initialising Done Initialisation is finished.

201 Initialising Csu The CSU is initialising.

202 Init identifiers The identifiers are initialising.

203 Init.BL.Parameter The blocking parameters are initialising.

204 Init safety unit The safety unit is initialising.

205 Init blocking The blocking is initialising.

254 StateUnknown The sub state is undefined.

255 SuOutOfResetsWait1Hr The safety unit is blocking due to too many resets. Wait for 60 minutes or

turn the power off and on again.

4.2 Single appliance or cascade configuration

4.2.1 Temperature and power control of the system

If you control the system with the gateway, the heat demand from

the zones will be ignored.

Tab.7 Temperature and power

Object in

stance

Data type Description Resolution / Format Access

256 Analog value Power % R/W

257 Analog value Temperature 0.01 °C R/W

258 Analog value Algorithm See

Tab.8, page 9

R/W

259 Analog value Heat demand See

Tab.9, page 9

R/W

272 Analog input Actual power input 1 R

Tab.8 Algorithm type

Value Description

0 Remote management for both temperature and power

1 Remote management for Power

2 Remote management for Temperature

3 Remote monitoring only, none.

Tab.9 Heat demand type

Value

0 Standby

7 Heating

8 Cooling

The requested power on object instance 256 is related to the

minimum and maximum power of the system. You can use object

instance 272 to check the actual power input after a request.

Important

Object instance 258 must be written first. If 258 is still set to 3, the

other object instances can not be used.

4 Configuration en

7763253 - v.02 - 10032023 9

Tab.10 Temperature and power control examples

Object instance 258 256 257 259 Comment

I only want to monitor my sys

tem

3 x x x

I want to switch Off my system 0 x x 0

I want to heat my system with

minimum power

1 0 = 0% x 7 0% is the minimal power output in kW

of the system

I want to heat my system with

maximum power

1 100 =

100%

x 7 100% is the maximal power output in

kW of the system

I want to heat my system by

setting power and tempera

ture.

0 60 = 60% 5000 = 50 °C 7 The system will reach the requested

temperature and will not exceed the

power request.

I want to heat my system with

a fixed temperature.

2 x 7500 = 75 °C 7

I want to cool my system with

a fixed temperature.

2 x 1500 =15 °C 8

Values of x are not used for that particular example.

4.2.2 Reading out the water pressure

Tab.11 Water pressure

Object in

stance

Data type Description Resolution /

Format

Min- Max Display

code

409 Analog input Water pressure of the primary circuit. 0,1 Bar 0,0 - 3,0 AM019

4.2.3 Reading out the flow and return temperature

Tab.12 Flow and return temperature for single appliance and cascade

Object in

stance

Data type Description Resolution /

Format

Min- Max Display

code

273 Analog input Current system flow temperature from consumer man

ager of the zone

0,01 °C -10,0 -

120,0

274 Analog input Current system return temperature from consumer

manager of the zone

0,01 °C -10,0 -

120,0

7162 Analog input Cascade flow temperature 0,01 °C -327,68 -

327,68

NM164

7163 Analog input Cascade return temperature 0,01 °C -327,68 -

327,68

NM165

4.2.4 Reading out the status

Tab.13 Status of the system

Object in

stance

Data type Description Resolution /

Format

Min- Max Display

code

411 Analog input Current main status of the appliance. 1 Units 0 - 255 AM012

412 Analog input Current sub status of the appliance. 1 Units 0 - 255 AM014

en 4 Configuration

10 7763253 - v.02 - 10032023

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