Wolf WRS-K Manuale utente

WOLF GMBH / POSTFACH 1380 / D-84048 MAINBURG / TEL. +49(0) 87 51 74- 0 / FAX +49(0)87 51 74- 16 00 / www.WOLF.eu

Part no.: 3062941_201707 Subjecttotechnicalmodications

Installationandoperatinginstructions

LON interface for WRS-K

(Translation of the original)

23062941_201707

1.Contents

Contents

1. Contents ..............................................................................2

2. Documentation information..................................................3

3. Standards and directives.....................................................4

4. Installation ........................................................................5-6

5. Connection to a LON-Works network..................................7

6. LED displays........................................................................7

7. Network variables...........................................................8-14

8. Specication ......................................................................15

3062941_201707 3

Danger through 'live' electrical components!

Please note: Switch OFF the ON/OFF switch before removing the casing.

Never touch electrical components or contacts when the ON/OFF switch is in the ON

position! This results in a risk of electrocution that may lead to injury or death.

"Safety instructions" are instructions with which you must comply exactly, to prevent

risks and injuries to individuals and material losses.

The following symbols are used in conjunction with these important instructions

concerning personal safety, as well as operational reliability.

2.3 Symbolsandwarnings

used

"Please note" indicates technical instructions that you must observe to prevent

material losses and equipment malfunctions.

Please note

2. Documentation information

2.1 Otherapplicable

documents

WRS-K installation and operating instructions.

The instructions for all accessory modules and further accessories may also apply.

2.2 Safekeepingof

thesedocuments

The system operator or user should ensure the safekeeping of all instruction

manuals.

→ Pass on these operating instructions as well as all other applicable manuals.

Warningstructure You will recognise warnings in this manual by a pictogram with a line above and

below respectively. These warnings are structured according to the following

principle:

Signalword

Typeandsourceoftherisk.

Explanation of the risk.

→ Action to prevent the risk.

These operating instructions are valid for the LON interface for WRS-K.

2.4Applicabilityof

theseinstructions

43062941_201707

3. Standardsanddirectives

The components of the Wolf WRS-K control system comply with the following

regulations:

EC Directives

- 2006/95/EC Low Voltage Directive

- 2004/108/EC EMC Directive

EN Standards

- EN 55014-1 Emission

- EN 55014-2 Immunity

- EN 55022 Radio disturbance characteristics

- EN 55024 Immunity characteristics

- EN 60730-1 Automatic electrical controls for household and similar use

- EN 60730-2-9 Particular requirements for temperature sensing controls

- EN 61000-6-1 Immunity for residential, commercial and light-industrial

environments

- EN 61000-6-2 EMC Immunity for industrial environments

- EN 61000-6-3 EMC Emission standard for residential, commercial and light-

industrial environments

- EN 61000-6-4 Emission standard for industrial environments

- EN 61010-1 Safety requirements for electrical equipment for measurement,

control and laboratory use

Only operate the system in perfect technical condition. Immediately remove / remedy

any faults and damage that may impact on safety.

3.2 Warnings

3.1 Installation/

commissioning

- In accordance with EN 50110-1, installation and commissioning may only be

performed by qualied electricians

- Observe all regulations stipulated by your local power supply utility and all VDE or

local regulations

- DIN VDE 0100 Regulations regarding the installation of high voltage systems up to

1000 V

- DIN VDE 0105-100 Operation of electrical installations

3.3 Service/repair - Regularly check the perfect function of all electrical equipment.

- Only qualied personnel may remove faults or repair damage.

- Only replace faulty components or equipment with original Wolf spare parts.

We accept no liability for any damage or loss resulting from technical modications

to Wolf control units.

Please note

3.4 Disposal Observe the following information regarding the disposal of faulty system

components or the system at the end of its service life: Dispose of all components

in accordance with applicable regulations, i.e. separate material groups correctly.

The aim should be the maximum possible recycling of basic materials with the least

environmental impact. Never throw electrical or electronic scrap into the household

waste, but recycle it appropriately.

Generally, dispose of materials in the most environmentally responsible manner

according to environmental, recycling and disposal standards.

3062941_201707 5

The LON interface is usually supplied fully assembled with the control unit. If it is

retrotted, please observe the following points:

The LON interface is inserted into the (serial card / BMS card) slot on the KLM-M

control unit (part no. 2744747) or KLM-L control unit (part no. 2744746). To do this,

proceed as follows:

1. Isolate the KLM-M or KLM-L air handling and ventilation module from the power

supply.

2. Remove the cover of the (serial card / BMS card) slot using a screwdriver.

4.2 Installation

4. Installation

4.1 View

Connection block to the KLM-M or KLM-L control unit

Terminal block for the LON-Works network

Service pin

Green service LED

Red fault LED

ABGND

3. Remove the inner part of the cover with wire cutters.

4. Insert the LON interface into the free slot such that a plug-in connection is

made between the connection block of the LON interface and the pins of the air

handling and ventilation module (connection block clicks into place).

63062941_201707

5. Ret the slot cover.

6. Reconnect the power supply.

4. Installation

4.3. Interface

conguration

S-04

Other...

BMS-Protocol

>LON-Works

Transfer rate

>4800 (RS485/RS422)

BMS-Address: 001

VALUE SAVE Esc CANCEL

If the LON interface was supplied fully assembled with the control unit, it

is also already congured. No further settings are required.

If the interface is retrotted, it can be congured as follows:

1. Navigate to the main menu with the Esc key on the BMK programming module.

2. Select menu item Heatingcontractor with Enter.

3. Enter password "1234" and conrm with Enter.

4. Select menu item Other... with Enter.

5. Navigate to menu item BMS-Protocol with the up/down arrows.

6. Use Enter to highlight the BMS-Protocol and the up/down arrows to select protocol

type LON-Works.

The transfer rate is then automatically set to 4800 and the BMS address to 001.

7. Conrm these entries with Enter.

8. Use Esc to complete the entry and exit the menu item.

The precise procedure for operating the BMK programming module can

be found in the WRS-K installation and operating instructions.

Note

3062941_201707 7

5.3 Files

5.2 Servicepin Via the service pin, the LON interface can be connected to a LON-Works network.

For this, briey short-circuit the two contacts of the service pin using a screwdriver

or similar tool while installing the node. All data required to identify the interface is

transmitted to the LON-Works network as a broadcast.

The precise connection procedure depends on the LON-Works management tool

used. Please consult the relevant instruction manual.

Connection to the LON-Works network is made via the pluggable terminal block:

A: Signal A

B: Signal B

GND: Signal earth

5.1 Connection

5. ConnectiontoaLON-Worksnetwork

6. LEDdisplays

6.2 Fault LED (red): If the red fault LED illuminates, there is a communication error between the LON

interface and the KLM air handling and ventilation module.

Ensure that the installation has been carried out according to the instructions. Check

whether the transfer rate is set to 4800.

6.1 ServiceLED(green): OFF during operation Correct operation

Flashing after the power is switched on Start phase

Flashing after bridging the service PIN Conrmation/recognition of service PIN

Flashing during operation Data loss from the card / reprogramming

required

The LON interface is supplied with the application les (.xif, .nxe) already installed.

In addition, the les in their latest version are available to download from the Wolf

homepage (www.wolf-heiztechnik.de).

83062941_201707

Via the LON interface module, it is possible to gain read and write access to the air handling control unit. Standard network

variable types (SNVT) are used.

The following variables are available for read access:

7.1 Readaccess

7. Networkvariables

Description Network variable

Designation

Network variable

Type

Supply air temperature nvoTempSup SNVT_temp_p

Outside temperature nvoTempOut SNVT_temp_p

Room temperature nvoTempRoom SNVT_temp_p

Extract air temperature nvoTempExh SNVT_temp_p

Extract air temperature downstream

of humidier for adiabatic cooling

nvoTempAC SNVT_temp_p

Air quality (VOC) nvoAirQuality SNVT_volt

Air quality (CO2) nvoCO2 SNVT_ppm

Indoor air humidity nvoHumiRoom SNVT_lev_percent

Relative humidity, extract air nvoHumiExh SNVT_lev_percent

Relative humidity, supply air nvoHumiSup SNVT_lev_percent

Supply air pressure nvoPressSup SNVT_press_p

Extract air pressure nvoPressExh SNVT_press_p

Supply air ow rate nvoFlowSup SNVT_count

Extract air ow rate nvoFlowExh SNVT_count

Set room transducer nvoRoomSet SNVT_temp_p

Current set value, supply air temperature nvoTempSupSet SNVT_temp_p

Current set temperature nvoTempSet SNVT_temp_p

Current set value, fresh air proportion nvoFrAirSet SNVT_lev_percent

Current set speed, supply air fan nvoSpSupSet SNVT_lev_percent

Current set speed, extract air fan nvoSpExhSet SNVT_lev_percent

Current set value, fan stage nvoStepSet SNVT_count

Current set pressure, supply air nvoPresSupSet SNVT_press_p

Current set pressure, extract air nvoPresExhSet SNVT_press_p

Current set ow rate, supply air 1) nvoFlowSupSet SNVT_count

Current set ow rate, extract air 1) nvoFlowExhSet SNVT_count

Operating mode nvoMode SNVT_count

External system enable nvoExtEnable SNVT_switch

Hygrostat nvoHygrostat SNVT_switch

Humidier enable nvoStatusHumi SNVT_switch

System status nvoStatusAHU SNVT_switch

Operating status 2) nvoOperation SNVT_switch

Special operating mode nvoSpecial SNVT_state

Central fault nvoAlarm SNVT_switch

Current alarm code nvoAlarmCode1 SNVT_state

nvoAlarmCode2 SNVT_state

nvoAlarmCode3 SNVT_state

nvoAlarmCode4 2) SNVT_state

1) Required value = 10 times the specied value

2) Available WRS-K software version 3.0.000 or higher

3062941_201707 9

Specialoperatingmode (nvoSpecial):

When the special operating mode is enabled, the associated bit is set.

Alarm code (nvoAlarmcode1/2/3)

An enabled alarm code is transferred via 3 SNVT_state variables (nvoAlarmCode1/2/3).

When the alarm is enabled, the associated bit is set. More detailed descriptions of fault messages and possible solutions can be

found in the WRS-K installation and operating instructions.

Variable Bit Explanation

nvoAlarmCode1 0 Fault, inverter, supply air fan

1 Motor temperature too high, supply air fan

2 Isolator switch, supply air fan

3Air ow monitor, supply air

4 Fault, inverter, extract air fan

5 Motor temperature too high, extract air fan

6 Isolator switch, extract air fan

7Air ow monitor, extract air

8Outdoor air lter contaminated

9Supply air lter contaminated

10 Extract air lter contaminated

11 Pump fault, DHW bank

12 Frost stat has responded

13 Frost protection temperature, supply air not reached

7. Networkvariables

0 Holiday program

1 Filter check

2 Preheat program

3 Night ventilation

4 Backup mode

5 Extension of utilisation time

6 Peak ventilation

7 Natural cooling

8 Hygrostat function

Bit Explanation

9Air quality control

10 External demand

11 Run-on

12 HR Ice guard

13 Speed reduction

14 Setback mode 1)

15 Winter start HR 1)

1) Available WRS-K software version 3.0.000 or higher

Description Value Explanation

Current set value, fan stage 0 Fans OFF

1 Fans ON (single stage and variable fans) Fans stage 1 ON (multi stage fans)

2 Fans stage 2 ON

3 Fans stage 3 ON

Operating mode 0 Manual mode

1 7-day program

2 BMS mode

System status 0 Standby

1 Ready for operation

Operating status 0 System not in use

1 System in use

Codes

10 3062941_201707

14 Temperature limiter, electric heater bank

15 High limit safety cut-out, electric heater bank

nvoAlarmCode2 0 Fault, pump, cold water bank

1 Central fault, external refrigeration unit

2 Fire alarm system responded

3 Supply air temperature sensor faulty or not connected

4 Supply air humidity sensor faulty or not connected

5 Room temperature sensor faulty or not connected

6 Indoor air humidity sensor faulty or not connected

7 Extract air temperature sensor faulty or not connected

8 Extract air humidity sensor faulty or not connected

9 Outside temperature sensor faulty or not connected

10 Extract air temperature sensor downstream of humidier for adiabatic cooling faulty

or not connected

11 Icing-up sensor HR faulty or not connected

12 Fire damper responded

13 Fault, EC motor, supply air fan

14 Fault, EC motor, extract air fan

15 Databus fault, extension modules

nvoAlarmCode3 0 Remote control not connected or databus fault

1 Set value transducer not or incorrectly connected

2 Service required

3 Icing-up temperature HR below set value 2)

4 Fault, heat recovery

5Service message, humidier

6Fault, humidier

7 External fault

8 Smoke detector responded

9 Fault, burner KGWO

10 Fault, humidier for adiabatic cooling

11 No adiabatic cooling

12 Scaling, freshwater contact humidier, adiabatic cooling

13 Humidier for adiabatic cooling at risk of icing up

14 Service message, humidier for adiabatic cooling

15 Pump fault, heat pump 1)

nvoAlarmCode4 1) 0 Pump fault, reheater bank 1)

1 Frost thermostat responded, reheater bank 1)

2 Refrigeration system controller, databus fault 3)

3 KVS control unit, databus fault 3)

4 KVS control unit switched off (standby) 3)

5 BMS outside temperature implausible 3)

7. Networkvariables

1) Available WRS-K software version 3.0.000 or higher

2) Available up to WRS-K software version 2.1.031

3) Included in WRS-K software version 5.3.000 or higher

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