Swegon BELIMO ZTH-GEN Installation, Commissioning Maintenance Download | Manualshive

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VARd

Installation - Commissioning - Maintenance

20111011

Contents

Installation – Wiring guides

Pages 2-7

Commissioning - Flows

Pages 7-8

How to use the VAR 1

Pages 9-10

How to use the VAR 2

Pages 10-11

How to use the VAR 4

Pages 12-13

How to use the VAR 5

Page 13

Dimensions and weights

Page 14

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Summary of Contents for BELIMO ZTH-GEN

Page 1: ...ce 20111011 Contents Installation Wiring guides Pages 2 7 Commissioning Flows Pages 7 8 How to use the VAR 1 Pages 9 10 How to use the VAR 2 Pages 10 11 How to use the VAR 4 Pages 12 13 How to use the VAR 5 Page 13 Dimensions and weights Page 14 ...

Page 2: ... mm length of straight duct 2 Sound attenuator with sound baffles Figure 4 Installation demands a length of straight duct A 2 x B 1 VAR Variable flow commissioning damper Figure 2 Variable flow commissioning damper VAR 1 with FSR fixing clamp 2 and sound attenuator 3 If the sound attenuator is equipped with a sound baffle or centre body it should be installed at a distance 2 x the duct diameter ØD...

Page 3: ... airflow Wiring diagrams Figure 8 Wiring diagram for VAR 2 Figure 7 Wiring diagram for VAR 1 Colour codes 1 Black 2 Red 3 and 5 White Insulate any conductors not in use VAR 1 Belimo compact Supply voltage 24 V AC 20 50 60 Hz Supply voltage 24 V DC 10 Controller and motor 6 VA Input 3 resistance 100 kOhm Input 3 control signal 0 10 alt 2 10 V DC Output 5 true value 2 10 V DC max 0 6 mA Ambient air ...

Page 4: ...SWN LMV D3 MP SWN NMV D3 MP SWN VRD3 SWN VAR VAR LMV D3 MP SWN NMV D3 MP SWN VRD3 SWN LMV D3 MP SWN NMV D3 MP SWN VRD3 SWN VAR VAR RTC RTCT Room thermostat Figure 10 The diagram shows how to wire the VART room ther mostat with simultaneous control of the extract air The figure also shows an alternative with RTCT duct temperature sensor 1 VAR Supply air 2 VAR Extract air CO2 and temperature control...

Page 5: ...mo Compact 1 VAR Supply air 2 VAR Extract air Y LMV D3 MP SWN NMV D3 MP SWN LMV D3 MP SWN NMV D3 MP SWN DETECT O VAR VAR Y U U DETECT O VAR VAR Figure 14 Wiring diagram VAR 4 Siemens 1 VAR Supply air 2 VAR Extract air VRD2 Ser Actuator VRD3 Figure 13b Jumper configuration VAR 2 Belimo Universal VRD2 DETECT O controls to fully open damper VRD3 DETECT O controls to preset flow for V max Figure 13a W...

Page 6: ...th VART 5 as master Figure 16 The diagram shows the connections between master slave unit In this wiring configuration the VAR slave controller should be set to a flow range of 0 100 of the nominal airflow 1 VAR Supply air 2 VAR Extract air LMV D3 MP SWN NMV D3 MP SWN VRD3 SWN LMV D3 MP SWN NMV D3 MP SWN VRD3 SWN DETECT O VAR VAR RTC VAV regulation with room thermostat and presence detector 1 VAR ...

Page 7: ...direction should always be such that the damper is fitted down stream of the flow measuring device The unit s rating plate includes air direction arrows Control signals All the electronic VAR devices are designed for a signal range of 0 10V DC Any deviation from this range is indicated on the product rating plate If a direct wired room thermostat is used for controlling the airflow requirements th...

Page 8: ... 5Pa Qnom max 120Pa K factor 1000 x 400 762 3735 341 0 1200 x 400 915 4480 409 0 1400 x 400 1069 5236 478 0 1600 x 400 1221 5981 546 0 500 x 500 479 2344 214 0 600 x 500 575 2815 257 0 700 x 500 671 3286 300 0 800 x 500 767 3757 343 0 1000 x 500 959 4699 429 0 1200 x 500 1149 5631 514 0 1400 x 500 1342 6573 600 0 1600 x 500 1534 7515 686 0 600 x 600 691 3385 309 0 700 x 600 807 3955 361 0 800 x 60...

Page 9: ...r If this is not done you will destroy the output on the control equipment The damper will move to the open position Measure the voltage U and calculate the airflow using Formula 2 on page 7 Figure 21 Shows how to connect a voltmeter for checking the true value Figur 22 ZTH GEN hand held micro terminal VAR 1 as a constant flow controller VAR 1 can be used as a constant flow controller in two ways ...

Page 10: ...u of the VAV controller Start Connect the cable provided to the VAV controller Reply The type of controller connected appears in the display window OK button The serial number of the controller is shown button The program version of the controller is shown Select fun ction Navigate forward backward to scroll between the various menu positions see table below Exit Disconnect the cable to the VAV co...

Page 11: ...s 51 119 l s Qmax Qmax Qnom 119 170 0 70 70 Qmin Qmin Qnom 51 170 0 30 30 Qnom is read from Table 1 on page 9 Enter the settings directly in the controller No external instrument is needed but the settings can also be adjusted with Belimo s instrument ZTH GEN Configuration menu ZTH GEN Start Hold the OK button depressed and at the same time connect to the VAV controller HW Version SW Version Indic...

Page 12: ...he controller will lose its positioning capability and you will have to de energize the unit for at least five seconds to remedy the situation If you want to test or force the commissioning damper use the jumper connections shown below or use the AST 10 hand held micro terminal Checking the min flow If possible zero volt is transmitted from the room unit or the main control system If this possibil...

Page 13: ...n nect it to the same terminal that the motor conductors are connected to See the wiring diagram for the AST 10 supplied in the instrument case 1 Press on Vmax change to the required value with the buttons press SET to confirm the change 2 Press on Vmin change to the required value with the buttons press SET to confirm the change 3 With Y you can read the control voltage set point transmitted from...

Page 14: ...1 2 6 3 9 125 124 472 245 61 77 180 401 2 9 4 0 160 159 472 285 61 60 215 401 3 3 4 8 200 199 472 335 61 40 255 401 4 0 5 8 250 249 522 395 61 15 305 452 4 9 7 8 315 314 552 465 61 370 452 6 5 9 7 400 399 684 553 61 462 614 10 7 14 9 500 499 810 653 61 565 740 15 7 21 3 250 Figure 34 VART 5 rectangular Figure 33 VAR 4 circular Figure 32 VAR 1 IR rectangular insulated casing Figure 31 VART 5 circul...

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