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7.2 Systematic troubleshooting

Start Störungsermittlung

VVS-Regelgerät mit Easy-Regler

Versorgungsspannung innerhalb

der Toleranzangaben ?

Funktionsprüfung auslösen (Test-Taste drücken)

Positionen Geschlossen, Offen, Regelposition

werden automatisch nacheinander angefahren

(dauert mehrere Minuten; Vorgang beobachten)

Regelklappe erreicht

zunächst

„Geschlossen“

Position ?

Regelklappe erreicht

anschließend

„Offen“

Position ?

Drehrichtung korrekt ?

(Schließen im UZS)

Mechanischer Block?

Nein

Automatischer Ablauf Testfunktion

Nein

Regler defekt

Mechanischen Block entfernen

Drehrichtung umprogrammieren

Nein

Regelklappe erreicht

Regelposition nach

ca. 180 s ?

Istwert-Signal U

folgerichtig ?

(LED leuchtet dauerhaft)

Klappenstellung?

Sensor/Messschläuche

am VVS-Regelgerät prüfen

(Schläuche knickfrei verlegt/Schläuche/Anschluss undicht)

Anlagendruck prüfen

Mindestdruckdifferenz eingehalten?

Kanalabschnitt abgesperrt/Brandschutzklappe geschlossen?

Offen

Nein

(LED blinkt dauerhaft)

Einstellung Vmin/Vmax prüfen/korrigieren

Einstellung 0...100% oder

nutzbaren Regelbereich der VVS-Regelgeräte Serie beachten

Geschlossen oder

keine Veränderung

Einstellung

Vmin/Vmax Potentiometer

zugelassen?

(nur bei Nutzung)

„Zwangsschaltung Vmax“

kann aktiviert werden?

(nur bei Nutzung)

„Zwangsschaltung Zu“

Zwangsschaltung „offen“

funktioniert?

Sollwertsignal w ok?

Regler i.O.

Verdrahtung und

übergeordnete Regelinstanz prüfen

(Raumtemperatruregler Luftqualitätsregler, DDC, GLT

z.B. Kennlinieneinstellung 0-10V)

- Spannungsversorgung Typ AC?

- Verdrahtung inkl. Diode prüfen

- Schaltkontakt prüfen

Verdrahtung und

Schaltkontakt prüfen

Sollwert Vmax

wird erreicht ?

Nein

Klappenstellung Offen?

Nein

Sensor/Messschläuche

am VVS-Regelgerät prüfen

(Schläuche knickfrei verlegt/Schläuche/Anschluss undicht)

Anlagendruck prüfen

Mindestdruckdifferenz eingehalten?

Kanalabschnitt abgesperrt/Brandschutzklappe geschlossen?

(nur bei Nutzung)

„Zwangsschaltung Vmax“

kann aktiviert werden?

Sollwert Vmin

wird erreicht ?

Nein

Verdrahtung und

Schaltkontakt prüfen

- Verdrahtung prüfen

- Toleranzbetrachtung Regler vs. Messtoleranz

- Überprüfung Einbausituation (Turbulenzen)

- Überprüfung auf Verschmutzung;

ggf. Easy- Regler tauschen

Nein

Verdrahtung, Transformator prüfen

Nein

Sollwertsignal prüfen

Ansteuerung im nutzbaren Regelbereich?

Störungsbehebung an VVS-Regelgeräten mit Easy-Regler

Stand 24.4.2018

Toleranzbetrachtung Regler vs. Messtoleranz

Überprüfung Einbausituation (Turbulenzen)

Automatischer Ablauf Testfunktion

Klappenausrichtung

auf Achse ok?

Klappenmontage auf Achse korrigieren

Nein

Fig. 22: Troubleshooting Easy Controller V24.4.18 - Part 1

Troubleshooting

Systematic troubleshooting

Easy control component for VAV terminal units

Содержание TVZ

Страница 1: ...Easy control component for VAV terminal units Installation and commissioning instructions Read the instructions prior to performing any task LVC TVE TVR TVJ TVT TZ TA Silenzio TVZ TVA GB en...

Страница 2: ...GmbH 2018 TROX GmbH Heinrich Trox Platz 47504 Neukirchen Vluyn Germany Germany Telephone 49 0 2845 202 0 Fax 49 0 2845 202 265 E mail trox trox de Internet www trox de 02 2022 Easy control component...

Страница 3: ...ts Project specific wiring documents if any TROX Technical Service To ensure that your request is processed as quickly as possible please keep the following information ready Product name TROX order n...

Страница 4: ...isted signal words will be used Example 1 Loosen the screw 2 CAUTION Danger of finger entrapment when closing the lid Be careful when closing the lid 3 Tighten the screw Specific safety notes The foll...

Страница 5: ...Commissioning and operation 21 6 1 Setting of the control component 21 6 1 1 Control ranges of VAV terminal units 22 6 1 2 Volume flow rate scale 22 6 1 3 Setting examples 23 6 1 4 Default settings q...

Страница 6: ...ol component can lead to dan gerous situations Never use the control component device in explosion proof areas in aircrafts outdoors without sufficient protection against the effects of weather in hum...

Страница 7: ...t the installation location The system owner has to create operating instructions for the unit that reflect the results of this risk assess ment The system owner has to ensure throughout the entire op...

Страница 8: ...ety shoes Safety shoes protect the feet from crushing falling parts and prevent slipping on a slippery floor 1 7 General safety measures NOTICE Risk of damage to property due to large tempera ture dif...

Страница 9: ...minal covers for TVE type Mounted on the VAV terminal unit and fixed with anti rotation lock Measuring hoses without kinks connected to the VAV terminal unit not on TVE type VAV terminal unit Scale st...

Страница 10: ...p 15 Tube connection transducer Adjustments sticker on VAV terminal unit not pic tured 16 Service socket not functional on Easy Detection of operating states LED LED Operating status ON Target volume...

Страница 11: ...unit not pic tured Detection of operating states LED TVE type LED flashing frequency Meaning Keine Spannungsversor gung Controller not pre set Actuator overload detected block Positive pressure detec...

Страница 12: ...has a differential pressure sensor The effective pressure is forwarded through the measuring hoses or in the case of TVE through the damper blade shaft to the differen tial pressure transducer integr...

Страница 13: ...pressure upstream conditions are not met greater deviations are to be expected Diagnostic options A functional test is possible using the test push button Fig 1 8 and LED indicator light Fig 1 9 The L...

Страница 14: ...alue volume flow rate as 0 10 V DC signal e g to the central BMS For the use of variable volume flow rate setpoint values the specification of an electrical control signal must be made by a higher lev...

Страница 15: ...actual value signal of the Easy controller for the supply air is then applied as a setpoint signal for the Easy controller on the extract air slave controller As a consequence the extract air always...

Страница 16: ...associated voltage signal can be calculated using the formula below The setting of the potentiome ters qvmin and qvmax must be taken into account The default settings of the working range qvmin 40 and...

Страница 17: ...electrical wiring Chapter 5 Wiring on page 18 and setting of the Easy controller 6 1 Setting of the control component on page 21 When installing the VAV terminal unit take particular note of the follo...

Страница 18: ...sy controllers may be through wired If multiple volume flow rate controllers are con nected to a 24 V network it must be ensured that a common neutral or ground line is defined and not interchanged Th...

Страница 19: ...With a common 24 V supply voltage it should be noted that terminal 1 on the Easy controller is also the ground for the control signal Switching between volume flow rates qvmin and qvmax Fig 16 Switch...

Страница 20: ...several override controls the switches must be interlocked to prevent short circuits With activation of the override control damper blade CLOSED the VAV terminal unit is put into the closed position D...

Страница 21: ...e is set via the potentiometer on the Easy controller With these depending on the control request a constant volume flow rate corresponding to qvmin or the working range for the variable volume flow c...

Страница 22: ...area LMV D3A 10 100 TA SILENZIO high acoustic requirements at low airflow velocity in the extract air area LMV D3A 10 100 TVZ high acoustic requirements in the supply air area LMV D3A 10 100 TVA high...

Страница 23: ...59 m h 100 28 qvmax 1000 m h 1459 m h 100 69 Example 2 TVJ 400 x 200 Easy Nominal volume flow rate qvnom of the control unit 2592 m h Required volume flow rate control range qvmin 650 m h to qvmax 225...

Страница 24: ...her resolution of the assignment of 0 10 V voltage signals to the volume flow rate setpoint values If the value for qvmin is set higher than qvmax the setting of qvmin is interpreted as a fixed setpoi...

Страница 25: ...oller Logging actual value signal U 3 Override control qvmax on the master controller Logging actual value signal U 6 3 Switching the direction of rotation Personnel TROX Technical Service Attention o...

Страница 26: ...a voltmeter 29 If the setpoint value is reached the controller will work properly 4 The test can be repeated for different setpoint values by adjusting the qvmin potentiometer 7 1 3 System pressure to...

Страница 27: ...qvnom a restriction of the usable control range results in a different characteristic curve for the setpoint value and actual value signal In this case a direct inference due to different signal volt...

Страница 28: ...ung Zwangsschaltung Vmax kann aktiviert werden nur bei Nutzung Zwangsschaltung Zu Zwangsschaltung offen funktioniert Verdrahtung und bergeordnete Regelinstanz pr fen Spannungsversorgung Typ AC Verdrah...

Страница 29: ...in wird erreicht Ja Ja Nein Nein Verdrahtung und Schaltkontakt pr fen Ja Verdrahtung pr fen Toleranzbetrachtung Regler vs Messtoleranz berpr fung Einbausituation Turbulenzen berpr fung auf Verschmutzu...

Страница 30: ...the TROX service or for the ordering of replacement parts 7 3 4 Ordering replacement controllers The device type and nominal width dimensions are required to order an Easy replacement controller Cus...

Страница 31: ...mponent must be disposed of properly by a competent authority The device contains electrical and electronic components and must not be disposed of as domestic waste When disposed of local up to date r...

Страница 32: ...D3A M466ES2 1 Type TVJ all dimensions of type TVT up to and including dimension 1000x500 2 Type TVT all dimensions specified from H 500 Easy controller LMV D3AL F Supply voltage 24 V AC 20 50 60 Hz Su...

Страница 33: ...VA max Power rating 3 W max Run time for 90 100 s Setpoint value signal input 0 10 V DC Ra 100 k Actual value signal output 0 10 V DC max 0 5 mA IEC protection class III protective extra low voltage...

Страница 34: ...voltage Protection level IP 20 EC conformity EMC to 2014 30 EU Easy controller TROVE 024T 05I DD15 Supply voltage 24 V AC 20 50 60 Hz Supply voltage 24 V DC 10 20 Power rating 4 VA max Power rating Ma...

Страница 35: ...t complies with all relevant provisions of the following EC guide lines Richtlinie 2014 30 EU Richtlinie 2014 35 EU Richtlinie 2011 65 EU The individual CE certificates can be found at www trox de Dec...

Страница 36: ...TROX GmbH 2018 TROX GmbH Heinrich Trox Platz 47504 Neukirchen Vluyn Ger many Germany 49 0 2845 202 0 49 0 2845 202 265 E mail trox trox de www trox de...

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