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Viessmann VITOVENT 300, Service Instructions For Contractors

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Viessmann VITOVENT 300 Service Instructions For Contractors Download Page 39

Room air and outside air temperature
sensor

Fuses

The fuses are on the control PCB (see
page 40).
When replacing fuses observe the
max. power loss (see manufacturer's
details).

The following fuses are used:

&

F1 2AT
Safety fuse 250 V, max. power loss

≤

1.6 W

&

F4 5AT
Safety fuse 250 V, max. power loss

≤

2.5 W

Sensor resistance curve

39

Components

5692

762

GB

Summary of Contents for VITOVENT 300

Page 1: ...instructions for contractors Vitovent 300 Domestic ventilation system with heat recovery Air flow rate up to 180 300 and 400 m3 h For applicability see the last page VITOVENT 300 5692 762 GB 3 2008 P...

Page 2: ...legal instructions regarding the prevention of accidents all legal instructions regarding environmental protection the Code of Practice of relevant trade associations all current safety regulations a...

Page 3: ...loads Repair work Please note Repairing components which fulfil a safety function can com promise the safe operation of your heating system Replace faulty components only with original Viessmann spare...

Page 4: ...ntrol settings Menu structure overview 32 Remote control settings by contractors 32 Components Sensor resistance curve 39 Fuses 39 Connection and wiring diagram 40 Parts list 43 Commissioning service...

Page 5: ...liance 23 09 Countercurrent heat exchanger and filter cleaning or replacing 24 10 Cleaning the ventilation air and extract air device 26 11 Checking the condensate drain inside the appliance 26 12 Ins...

Page 6: ...a dedicated air duct This should be agreed with the local fuel gas inspector where appropriate Doors to boiler rooms where the combustion air supply is not inter connected with the living space must b...

Page 7: ...cted cross section of out side air inlet and expelled air out let Sizing and routing of pipes according to design Correct equipment installation and attachment of lines silencers and valves Arrangemen...

Page 8: ...ting for standard mode which in turn must be lower than the setting for the demand mode The air flow rate of the higher operat ing mode will be selected automati cally if one of these conditions is no...

Page 9: ...for LANGUAGE the word German flashes 2 d to confirm the selected lan guage figure 12 hour flashes 3 xw to enter HOUR MINUTE YEAR MONTH and DAY 4 d respectively to confirm 5 Start of the program to wh...

Page 10: ...issioning report Example Calculate the number of apertures at a pressure drop of ps 20 Pa Air flow rate acc to design qv 27 m3 h Number of aper tures 6 Ventilation aperture for ceiling mounting DN 100...

Page 11: ...owing diagram 2 Adjust the air inlet in accordance with the calculated aperture width 3 Record the actual value in the com missioning report Example Calculate the annular gap at a pres sure drop of ps...

Page 12: ...A Aperture width of the annular gap mm B Air flow directions 360 sector plate removed Further details regarding the individual steps cont 12 Commissioning inspection maintenance 5692 762 GB...

Page 13: ...low directions 180 sector plate fitted and able to rotate Floor outlet ventilation element for installation in floors Flow rate up to 40 m3 h Further details regarding the individual steps cont 13 Com...

Page 14: ...calculated aperture width Note Remove the grille to enable the adjustment 3 Record the actual value in the com missioning report A Slider aperture width mm 4 Measure the air velocity with an impeller...

Page 15: ...80 18 90 25 20 1 0 13 86 20 79 27 72 1 1 15 12 22 88 30 24 1 2 16 38 24 57 32 76 1 3 17 64 26 46 36 28 1 4 18 90 28 36 37 80 1 5 Slotted outlet ventilation air element for wall and ceiling mounting Fl...

Page 16: ...in the com missioning report Setting the air flow directions A Directions of air flow B Scale range C Ceiling installation Set to 1 A and F 6 D Ceiling installation All set to 6 E Wall installation S...

Page 17: ...in accordance with the calculated aperture width A Valve cone position mm with nominal width DN 100 3 Record the actual value in the com missioning report Example Internal diameter of the extract aper...

Page 18: ...g the intended flow rate and the specified pressure drop from the following diagram 2 Adjust the air inlet in accordance with the calculated aperture width 3 Record the actual value in the com mission...

Page 19: ...et and outlet veloci ties from the air flow rate diagrams from page 21 Note Adjusting the air volume using an impeller air speed meter cannot result in high accuracy Deviations by 10 are possible What...

Page 20: ...sured with an impeller air speed meter Where a measuring funnel cannot be used for example in larger ven tilation air or extract air apertures such as in floor outlets carry out several measurements o...

Page 21: ...ow rate up to 30 m3 h A Number of apertures Extract air valve with internal diameter DN 100 air flow rate up to 45 m3 h A Valve cone position Further details regarding the individual steps cont 21 Com...

Page 22: ...with a locknut 6 Determine the air flow rates from the curve diagrams on page 21 or from the table on page 14 and record the values in the commis sioning report Shutting down the system 1 Set the pro...

Page 23: ...r h side of the appliance locking closure 2 Undo the Phillips screws B and open the door A on the l h side of the appliance Note Open version 300 400 m3 h in the same way Further details regarding th...

Page 24: ...ir filter F Condensate drain hose G Condensate drain elbow H Condensate pan Version 300 and 400 m3 h A Clean air side B Dusty air side C Extract air filter D Countercurrent heat exchanger E Outside ai...

Page 25: ...tract air filter in the appliance if the remote control dis play shows Filter check Clean the filters subject to require ments and replace them annually Never operate this appliance with out filters 3...

Page 26: ...eck for leaks Note Condensate pan G must be clean and condensate must be able to drain off Installing the countercurrent heat exchanger 1 Please note Mechanical loads on the fins of the countercurrent...

Page 27: ...ng up liquid As an alterna tive the filter insert can also be cleaned in a dishwasher Danger Hot water can result in scalding and equipment damage The maximum water tem perature must not exceed 60 C A...

Page 28: ...xchanger Initially the outside air flow rate is reduced to defrost the heat exchanger Subject to the thickness of the ice the extract air flow rate can be stopped completely In regular short intervals...

Page 29: ...is equipped with a digital display comprising different segments and symbols The standard display shows the cur rent time Fault messages see page 30 and parameters see from page 33 are displayed as co...

Page 30: ...meter selection cannot be reset so must be confirmed fully once with d instead Fault messages Faults are captured and displayed by the appliance Pressing d 3 s enables the display of fault messages an...

Page 31: ...heck the cables from the sensor to the control PCB Check the lead connection at the sensor Replace the sensor if required F10 Room air tempera ture sensor faulty Check the cables from the sensor to th...

Page 32: ...e page 33 Remote control settings by contractors Scanning control unit settings via the remote control The standard display shows the cur rent time see page 29 Additional data can be scanned as fol lo...

Page 33: ...he start i e the standard display The standard display will be shown again if no key is pressed for more than 5 min Fixed parameters No Description Possible va lues Converted display value 12 Applianc...

Page 34: ...g range min 5 m3 h less than set ting for demand dependent mode 180 m3 h 10 to 35 50 175 m3 h 100 m3 h 300 m3 h 10 to 59 50 295 m3 h 150 m3 h 400 m3 h 10 to 79 50 395 m3 h 200 m3 h 02 Air flow rate fo...

Page 35: ...ears and then flashes three times after releasing the keys Note Parameter selection cannot be reset as a whole All individual parameters must be confirmed in sequence with d to return to the start i e...

Page 36: ...drops flue gases can flow back into the installation room In this case a pre heater bank must always be installed We recommend that you change this setting only to safeguard the frost pro tection func...

Page 37: ...o leave the setting at 0 0 constant flow rate Constant flow rate Set value 0 for parameter 09 as described on page 34 Constant pressure Set value 1 for parameter 09 as described on page 34 Standard se...

Page 38: ...n page 34 Standard setting 0 Setting range 0 to 1 Parameter 22 Reset to factory settings This setting determines whether all previously modified parameter set tings are to be reset to their factory se...

Page 39: ...control PCB see page 40 When replacing fuses observe the max power loss see manufacturer s details The following fuses are used F1 2AT Safety fuse 250 V max power loss 1 6 W F4 5AT Safety fuse 250 V...

Page 40: ...Control PCB A Power supply 230 V 50 Hz B Extract air fan motor Connection and wiring diagram 40 Connection and wiring diagram 5692 762 GB...

Page 41: ...air temperature sensor Pt500 G Room air temperature sensor Pt500 H Motor bypass damper K Auxiliary PCB X6 L Auxiliary PCB X10 M Control PCB Vitovent 300 F1 Safety fuse 250 V F4 Safety fuse 250 V Conn...

Page 42: ...PCB A Auxiliary PCB B To control PCB X12 C To control PCB X13 D Switching interface P1 F2 Safety fuse 250 V F3 Safety fuse 250 V Connection and wiring diagram cont 42 Connection and wiring diagram 56...

Page 43: ...rd parts from your local supplier Version 180 m3 h Parts 001 Remote control 002 Fan 003 Control PCB 004 Heat exchanger 007 Filter set 008 Temperature sensor 010 Front l h door 011 Front r h door Parts...

Page 44: ...Version 180 m3 h Parts list cont 44 Parts list 5692 762 GB...

Page 45: ...004 Heat exchanger 005 Bypass damper complete 007 Filter set 008 Temperature sensor 010 Front l h door 011 Front r h door Parts not shown 013 Installation instructions 014 Operating instructions 015 S...

Page 46: ...Version 300 and 400 m3 h Parts list cont 46 Parts list 5692 762 GB...

Page 47: ...List of control parameters 47 Commissioning service reports 5692 762 GB...

Page 48: ...Commissioning report example 48 Commissioning service reports 5692 762 GB...

Page 49: ...ings Dimensions excluding con nectors Length depth mm 310 420 420 Width mm 560 675 675 Height mm 600 600 600 Weight kg 25 31 32 Radial DC fans With constant flow rate con trol inlet on one side only w...

Page 50: ...remote control complies with the following standards EN 55 014 EN 60 335 1 In accordance with the following Directives this product is designated with _ 89 336 EC 2002 95 EC 98 37 EC 2006 95 EC Allend...

Page 51: ...driers 7 Extractors 7 F Factory settings 38 Fault messages 29 30 Filter 8 27 37 49 Filter check 25 Filters 31 Fireplace 6 Flow rate 8 19 20 22 28 49 Frost protection 28 36 Frost protection function 36...

Page 52: ...Vitovent 300 serial no 7373 372 7 00001 7373 373 7 00001 7373 374 7 00001 Printed on environmentally friendly chlorine free bleached paper 5692 762 GB Subject to technical modifications Viessmann Werk...

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