Operating instructions VAV adjustment tool ZTH-VAV
Contents
1. ZTH VAV Functions Damper position 0 100 Read only _ Select CAV step AUTO CLOSE OPEN Vmin Vmax STOP Read write The following operating modes are available Change mode 0 10 2 10 V Read only Restore Vimin Vmax defaults yes no Write Operating volumetric flow Vmin 0 100 Vrom Read write Note In order to change the Vmin Vmax setting of a VRD3 both potentiometers must be in the Tool position If this is not the case it is only possible to display the parameters with the ZTH VRD3 Refer to the VRD3 product documentation www belimo com Operating volumetric flow Vinax 30 100 Vnom Read write 4 BELIMO Operating instructions VAV adjustment tool Continued The position is shown in the following cases Synchronisation adaption 0 VAV controller without position feedback 1 0 1 VRD2 VRD3 VRP M with NM24 V ST Vmax Damper OPEN A ro Motor Stop _ w wt X x CLOSE Be rr oarra e Volumetric flow Vnom Vinin The CAV steps shown opposite also referred to as operating modes can be used to test VAV CAV units for L N SMV D2 MP L NMV D2LON VRD3 and VRP M By activating a CAV step you set the VAV controller to a fixed operating mode The temporarily selected volumetric flow setpoint is indicated in the setpoint display If the ZTH VAV is disconnected from the VAV controller the controller is reset to au2. Activates mode switching Restores original Vmin Vmax values Advanced Mode 0 1 Activates the direction of rotation setting Default Operating menu overview The operating menu adapts to the functionality of the connected VAV controller Options that are not relevant are not shown Device ID Controller type _ P Serial no Controller type Firmware version a SIS gt N VAV controller S S z gt T 72 z 2 gt Aj td 1 aS Pa Menu Explanation 1 only with VRP M V3 x www belimo com T4 ZTH VAV en v1 2 03 2009 Subject to changes 3 8 ZTH VAV Operation Device identification Read only Note are supported Only characters in the ISO 8859 1 character table Functions Actual volumetric flow read only Note For a detailed description of these functions please refer to the separate documentation for the VAV controllers concerned Visit www belimo com or contact your local Belimo YL he Operating instructions VAV adjustment tool BELI MO Continued As soon as the ZTH VAV is connected to a VAV controller the display shows the version number and then a device ID containing the following information Type Type of the connected VAV controller e g LMV D2 MP e Position Text string programmed with the PC Tool e g system designation Press OK to display the following additional information e Adress PP or MP1 8 no addresses ar
3. the VRP M and L NMV D2M when the service socket is used MP1 MP1 MP Master MP Master MP4 MP4 MP2 MP3 MP2 MP3 These operating instructions describe handling of the ZTH VAV adjustment tool For a detailed description of VAV controllers please refer to the separate product documentation which can be downloaded from www belimo eu Documentation Room amp System Solutions A quick start guide in English and German is included with the ZTH VAV as a sticker that can be affixed to the rear of the device Compatibility The ZTH VAV adjustment tool supersedes the old ZEV adjustment tool 1992 2007 All standard Belimo VAV controllers with integrated PP communication that are sold in EU countries from 1992 can be adjusted using the ZTH VAV Belimo Automation AG reserves the right to make changes or improvements at any time without prior notice The latest version of these operating instructions is published on our website www belimo eu Connection See page 6 Operation Buttons display LC display 2 x 16 characters with backlighting ZTH VAV BELIMO VYA Scroll up down cancel Change value RJ12 connection OK Confirm PP 24 V lt i gt See page 6 Device rear quick start guide lt suwy acinc24 v communcaton PP ag A quick start guide in English and German is included with the Type NMV D2 VRD2 3 LINMV D2M ZTH VAV as a sticker that can be af
4. Dimensions mm 4 BELIMO Cable type and order designation Compatible with Remarks e LMV D2 MP LHV D2 MP e NMV D2 MP ZK1 GEN AAN SMV D2 MP Included with ZTH VAV e LMV D2LON NMV D2LON e LMV D2M 1 ZK1 VAV A NMV D2M e CR24 B1 B2 B3 1 weiss GND ZK2 GEN N All VAV controllers connected bu afa Y via connecting terminals N t rkis PP 1 Stecker 3 polig s 24V ZK4 GEN PANI VRP M O blaue Ader 1 ZK6 GEN A VRD3 Dimensional diagrams wo o OOOO0O 85 DEN 1 Available as accessories Headquarters BELIMO Holding AG Brunnenbachstrasse 1 CH 8340 Hinwil Tel 41 0 43 843 61 11 Fax 41 0 43 843 62 68 info belimo ch www belimo com Subsidiaries Representatives and Agencies Australia Bahrain Belgium Bosnia Herzegovina Bulgaria Croatia Cyprus Czech Republic Denmark Egypt Estonia Finland France Great Britain Germany Greece Hong Kong Hungary Iceland India Indonesia Ireland Israel Italy Japan Jordan Kuwait Latvia Lebanon Rumania Liechtenstein Russia Lithuania Saudi Arabia Luxembourg Singapore Malaysia Slovakia Morocco Slovenia Netherlands South Africa New Zealand Spain Norway Sweden Oman Switzerland Pakistan Taiwan People s Republic of China Turkey Philippines Ukraine Poland United Arab Emirates Portugal Qatar Republic of Korea South Korea 8 8 T4 ZTH VAV e en v1 2 03 2009 Subject to changes www
5. belimo com
6. e supported by VRD2 NMV D2 display e Serial no Unique 16 character serial number Press to display the firmware version in addition to the type This function is not supported by the NMV D2 or VRD2 0 100 Vnom nererence a signalw V Vmax a0 2 4 6 l 8 10 V 10 l lil il il i l i l Tam 84 je ignal f 7 xN 44 Actual volumetric J flow signal U5 2 o gt Volumetric flow Vnom Example 0 20 a 40 60 80 100 Mode 0 10 V Vmin representative The volumetric flow is indicated relative to the Vnom setting Setpoint CLOSE Vmin Vmax OPEN Read only OPEN Reference ze signal w V Vmax 4 0 2 4 6 8 10 V jof Letitititititigititig Vrom J Setpoint AE 84 reference signal L 6 f 56 4 7 Actual volumetric flow signal U5 2 CLOSE 4 0 Volumetric flow Vnom Example 0 20 Mode 0 10 V Vmin The setpoint setting range corresponds to Vmin Vmax If a local override function is active e g NMV D2 MP CLOSE damper jumper 1 3 this information is shown with the setpoint The pressure is shown instead of the volumetric flow for the VRP M STP in other words a room or air duct pressure application Pnom Pmin Pmax appear in place of Vnom Vmin Vmax Pressure The volumetric flow and the differential pressure at the sensor Pa are shown for the VRD3 and Read only the VRP M 4 8 T4 ZTH VAV en v1 2 03 2009 Subject to changes www belimo com
7. fixed to the rear of the device L N SMV D2 MP VRP M i Configuration Press ok while connecting the power Contents Menu options L N SMV D2 MP read write Connection ype Address Overview of types jl Position Series Number Access to Configuration menu iY Volume actual value Operating menu with navigation tree 1 r Setpoint applied i i Position of damper i CAV Step set to OOA H Mode 0 1072 10V O Set to original values oO V min setting ck i 1_ V max setting 8 8 1 4 Wnominal of VAV unit Options depending to VAV type 2 8 T4 ZTH VAV e en v1 2 03 2009 Subject to changes www belimo com yh Operating instructions VAV adjustment tool BELI MO Operation Continued Configuration menu You can set the language and the volumetric flow units in the Configuration menu The settings are stored Start Configuration menu Action Keep the OK button pressed while you connect the tool to the VAV controller Reaction Configuration menu appears on the display Continue with Y 4 buttons Exit Menu option leave config menu or disconnect cable Options Text German English Units m h I s cfm Supply AC 24 V AV 24 V voltage indication refer to page 7 for an explanation MP tester MP Bus level tester MP Bus diagnostic tool for system integrators The MP tester is not included in this documentation Expert Mode 0 1
8. nnect the third wire turquoise Do not connect the RJ11 plug to the ZTH VAV for the time being Equipment Connection Start Keep the OK button pressed while you connect the ZTH VAV to the VAV controller Using the arrow key select Supply Exit Disconnect the ZTH VAV from the VAV controller or select leave config menu Set Supply okay Supply voltage quality AC 24 V VHW 88 Half wave ratio only indicated for AC 24 V Measured AC or DC value in volts Quality okay AC supply in the range from 19 2 to 28 8 V AC value Measured AC voltage accuracy 1 0 V if VHW gt 95 VHW Ratio of the positive half wave to the negative half wave The difference between the positive half wave value and the negative half wave value must not be too large Rule of thumb Pos HW neg HW x 100 must not be gt 80 Explanation of VHW pos half wave neg half wave Potential problems The half wave load is influenced if e The transformer is too small e The cable between the transformer and the VAV controller is too long A voltmeter should be used to test a DC 24 V installation The supply voltage cannot be tested if the ZTH VAV is connected to the service socket of the VAV or CR24 controller transformed DC voltage www belimo com T4 ZTH VAV en v1 2 03 2009 Subject to changes 7 8 ZTH VAV Operating instructions VAV adjustment tool Accessories
9. olumetric flow Vnom measured to the D3 sensor The Ap Vnom parameter is set by the VAV unit manufacturer when the unit is calibrated and cannot be altered by the user If a VAV Compact is programmed as an open loop controller VAV control is deactivated In this case the Compact device acts as a remote actuator and sensor unit for an external VAV controller The actual volumetric flow and the damper position are indicated correctly It only makes sense to display the setpoint in this application however if Vnom is set to 0 m3 h or I s i e display ZTH VAV Vnom 100 Connection to Cable type and order designation L N SMV D2 MP Incl ith ZTH VAV L NMV D2LON ZK1 GEN ncluded wit L NMV D2M CR24 ZK1 VAV Accessory Accessory ZK4 GEN 1 O GND VRP M ZK4 GEN 2 4 30 Blue 5 O PP VRD3 ZK6 GEN Accessory Connection to Cable type and order designation L N SMV D2 MP White 1O GND L NMV D2LON Blue 2O EH L NMV D2M 30 NMV D2 VRD2 L Turqu 5 PP ZK2 GEN White 1 GND VRD3 VRP M fH Blue a Turqu 4 O PP ZTH VAV PP Turqu sfs ZK2 GEN E s87 pp se 8 pO En GND Whitey 1 E 17N eno 6 8 T4 ZTH VAV en v1 2 03 2009 Subject to changes www belimo com ZTH VAV 4 BELIMO Operating instructions VAV adjustment tool Supply voltage test for VAV controllers AC DC 24 V Safety note
10. orne means of transport e Only suitable for connection to Belimo VAV devices with 24 V safety extra low voltage and a PP MP interface The ZTH VAV adjustment tool enables VAV and CAV systems to be tested efficiently Systems equipped with Belimo VAV controllers can be easily adjusted to individual room and user requirements Can be used with available since VAV Universal VRD2 VRD2 L 1992 2007 VAV Universal VRD3 from 2008 VAV Universal VRP M VAV and STP pressure application from 2005 VAV Compact NMV D2 1992 2000 VAV Compact LMV D2M NMV D2M 2000 2006 VAV Compact LMV D2 MP NMV D2 MP SMV D2 MP LHV D2 MP 2006 VAV Compact LMV D2LON NMV D2LON 2006 1 Requires ZTH VAV Firmware V1 02 or higher www belimo com T4 ZTH VAV en v1 2 03 2009 Subject to changes 1 8 ZTH VAV Brief description Connection and supply Limitation The tool cannot be directly connected in an MP network or via an MP Bus master Operating instructions 4 BELIMO Operating instructions VAV adjustment tool Continued Stand alone operation The tool can be connected and supplied using the service socket on the VAV controller or the connecting terminals Bus operation If the ZTH VAV is connected to the local service socket it can be used to test the following devices without interrupting the bus VAV Compact L N SMV D2 MP and L NMV D2LON The MP Bus must be disconnected in order to test
11. s The ZTH VAV must only be used to test AC 24 V supply voltages IIl safety extra low voltage downstream of a safety isolation transformer The measurement use for this purpose is only permitted in conjunction with a Belimo VAV controller All other forms of use are prohibited Maximum measuring voltage Maximum measuring voltage AC 30 V DC 42 V Higher voltage levels are liable to damage the device beyond repair A To test the supply voltage Display format AC voltage AC 24 V Supply okay AC 25 V VHW 88 AC 24 V supply In practice most field and control devices use half wave rectifiers for their internal supply voltage e Advantage Straightforward wiring and connections e Disadvantage Only the positive half wave is loaded Standard voltmeters always indicate the effective value for both half waves The determining value for each of the two half waves can only be indicated on an oscilloscope or the ZTH DC voltage DC 24 V Restriction The ZTH VAV can be used to test the AC 24 V supply voltage of the VAV controllers in conjunc tion with the ZK2 GEN connecting cable Measuring the AC 24 V supply voltage with the ZTH VAV helps pinpoint the cause of a malfunc tion e g when the system is started up ZTH VAV ZK2 GEN Connect the free wires of the ZK2 GEN to AC 24 V e White to GND terminal 1 on the VAV controller e Blue to terminal 2 on the VAV controller e Do not co
12. tomatic mode control function within two minutes Step Function Control function Available with AUTO Setpoint of input 3 w y or MP master active VAV or CAV mode CLOSE Damper closes No control mode VRD3 VRP M OPEN Damper opens No control mode xMV D2 MP Vmin Controller operates with volumetric flow Vmin CAV mode Vmin xMV D2LON Vmax Controller operates with volumetric flow Vmax CAV mode Vmax STOP Damper stops in current position No control mode The mode function can be used to adapt the setpoint input and the actual value output signal to the application or controller Note By changing the mode you change the operating behaviour of the VAV controller The mode should therefore only be changed if absolutely necessary and only by suitably trained personnel The original Vmin Vmax values set by the unit manufacturer OEM are restored All values set in the meantime are overwritten by the original values Vmin input in percent Vnom setting 0 m3 h I s for Old VAV devices 1 as a percentage of Vmax New VAV devices 2 as a percentage of Vnom The ZTH VAV detects the Vmin reference of the connected controller and displays it accordingly 1 VRD2 VRP M up to V2 16 NMV D2 L NMV D2M 2 VRD3 VRP M from V3 x L N SMV D2 MP L NMV D2LON Minimum setting limit Oversizing of the VAV units can make control more difficult in the lowest differential pressure range A minim
13. um volumetric flow usually corresponding to a differential pressure of 2 5 Pa is therefore specified for these units by the manufacturer Functional restrictions in this range can be avoided by complying with the unit manufacturer s volumetric flow setting Vmin setting 0 m3 h or 0 If the damper needs to be shut off by means of a 0 0 V setpoint signal in VAV mode this can be achieved by setting Vmin 0 m3 h or 0 www belimo com T4 ZTH VAV en v1 2 03 2009 Subject to changes 5 8 ZTH VAV Functions Vnom Setting on the VAV unit Read only Note The VRD2 VRD3 and NMV D2 do not support the display of Vnom as absolut value Vnom equals to 100 Ap Vnom Read only VAV Compact L N SMV D2 MP Open Loop mode Connection Local service socket ZTH VAV BELIMO Eem ri b sa 000o ZK2 GEN wiring assignment 4 BELIMO Operating instructions VAV adjustment tool Continued When the VAV unit is calibrated the unit manufacturer stores a displayed value in m3 h or I s for the differential pressure at Vnom This value is used to indicate the actual volumetric flow on a display unit or on the higher level control system of a bus system If no displayed value for Vnom is stored for the VAV controller ZTH VAV Vnom 100 the operating volumetric flow values Vmin and Vmax are shown and entered in percent This parameter describes the pressure difference Pa at nominal v
14. y 4 BELIMO VAV adjustment and diagnostic tool with PP interface for Belimo VAV controllers Connection via e Service socket on VAV controller MP PP interface Control cabinet Technical data Electrical data Connection MPPP interface VAV controllers Operation Safety tests Dimensions weight Safety notes A Brief description Applications Operating instructions VAV adjustment tool ZTH VAV Nominal voltage From VAV controller AC 24 V 50 60 Hz DC 24 V Power supply range of VAV controller AC 19 2 28 8 V DC 21 6 28 8 V Power consumption In operation 1W For wire sizing 2VA Plug socket for Belimo PP interface RJ12 socket Connecting cable See page 6 Communication PP no MP operation VAV Universal VRD2 VRD3 VRP M VAV amp STP VAV Compact NMV D2 LMV D2M NMV D2M LMV D2 MP NMV D2 MP SMV D2 MP LHV D2 MP LMV D2LON NMV D2LON LC display 2 x 16 characters with backlighting Buttons v a 0K Quick start guide Included en de Protection class lll Safety extra low voltage EMC CE according to 89 336 EEC Operating temperature 0 50 C non condensing Storage conditions 20 50 C non condensing Dimensions See page 8 Weight Approx 260 g e The device is not allowed to be used outside the specified field of application especially in aircraft or in any other airb
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