Hoval DGV-6/30 Design Handbook Download Page 49

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TopVent

Gas-fired supply air handling unit for ventilating and heating high spaces

1 Use ....................................................................................................48

2 Construction and operation ................................................................48

3 Technical data ....................................................................................51

4 Dimensions and weights ....................................................................54

5 Design example .................................................................................55

6 Options ..............................................................................................57

7 Control system ...................................................................................57

8 Transport and installation ...................................................................57

9 Specification texts

..............................................................................60

TopVent

Content

Summary of Contents for DGV-6/30

Page 1: ...al Indoor Climate Systems TopVent gas Recirculation units and supply air units with efficient air distribution for heating and cooling with gas fired heat exchanger TopVent DGV NGV GV MG Design handbo...

Page 2: ......

Page 3: ...eating high spaces with lower comfort requirements e g high rack storage areas 19 TopVent GV Gas fired air recirculation unit for heating low ceiling spaces 33 TopVent MG Gas fired supply air handling...

Page 4: ...2...

Page 5: ...Safety A 1 Symbols 4 2 Operational safety 4 3 Information for a user manual 4 3 Safety Content...

Page 6: ...or modification of the unit is not permitted Follow the local safety and accident prevention regula tions at all times TopVent gas units may only be installed operated and maintained by authorized tra...

Page 7: ...or heating high spaces B 1 Use 6 2 Construction and operation 6 3 Technical data 9 4 Dimensions and weights 12 5 Design example 13 6 Options 14 7 Control system 14 8 Transport and installation 14 9 Sp...

Page 8: ...high spaces It fulfils the following functions Heating with gas fired heat exchanger Recirculation operation Air distribution with Air Injector Air filtration optional The unit is mounted under the c...

Page 9: ...olation switch 5 Fan 6 Casing 7 Gas control valve 8 Burner unit consisting of stainless steel gas blower and premix burner 9 Heat exchanger of stainless steel 10 Air Injector Fig B1 TopVent DGV struct...

Page 10: ...REC Recirculation On off operation if heating is required the unit draws in room air heats it and returns the warm air back into the room The room temperature set value day is active Fan speed 1 2 1...

Page 11: ...min 1 720 900 910 1280 670 900 Nominal air flow rate 1 m h 4100 5700 5100 7000 6400 8200 Floor area reached 2 m 337 502 437 661 585 826 Nominal heat input max kW 32 0 66 0 66 0 Nominal heat output max...

Page 12: ...00 DN 100 Max length of flue gas duct 2 9 m 9 m 9 m 1 According to method of flue gas evacuation and combustion air supply 2 Equivalent length of formed parts 90 elbow 2 m 45 elbow 1 m 90 T piece 2 m...

Page 13: ...rence At room air temperature 16 C extract air temperature 18 C At room air temperature 20 C extract air temperature 22 C Table B8 TopVent DGV heat output supply air temperatures and mounting height 3...

Page 14: ...ection door with measuring opening for combustion air temperature 4 Gas connection A mm 900 900 1100 B mm 500 500 630 C mm 1562 1562 1640 D mm 1490 1490 1570 E mm 1000 1000 1000 F mm 946 974 1048 G mm...

Page 15: ...2 Mounting height Calculate the actual mounting height distance between the floor and the bottom edge of the units H Hall height distance from ceiling unit height Compare the actual mounting height wi...

Page 16: ...port and assembly work carried out by trained specialists For the purposes of installation the units are provided with 4 M10 rivet nuts with hexagon bolts and washers The following guidelines are impo...

Page 17: ...20 50 mbar Recommended settings Natural gas G20 20 mbar Natural gas G25 25 mbar 2 Cut off valve Fig B4 Gas pressure regulator and cut off valve in the gas supply line 8 4 Electrical installation Cauti...

Page 18: ...N 2 3 4 5 6 7 8 J14 S1 0 1 8 TopVent L1 L2 L3 N PE X20 S4 1 ON 2 3 4 5 6 7 8 J14 S1 0 1 L1 L2 L3 N PE 1 ON 2 3 4 5 6 7 8 1 2 3 4 S1 X11 X9 1 2 3 4 5 6 5 x 2 5 mm 5 x 2 5 mm 5 x 2 5 mm 5 x 2 5 mm 2 x 0...

Page 19: ...s of the warm air heater type provided for in Commission Regulation EU 2016 2281 9 2 Options Flue gas kit AZF AZS AZW for room air independent installation flue gas evacuation and combustion air suppl...

Page 20: ...18...

Page 21: ...wer comfort requirements e g high rack storage areas C 1 Use 20 2 Construction and operation 20 3 Technical data 23 4 Dimensions and weights 26 5 Design example 27 6 Options 28 7 Control system 28 8 T...

Page 22: ...n the unit objects e g tools could be dropped Malfunctions as a result of defective parts Danger caused by coming in contact with hot components when carrying out work inside the unit or on the flue g...

Page 23: ...lation switch 5 Fan 6 Casing 7 Gas control valve 8 Burner unit consisting of stainless steel gas blower and premix burner 9 Heat exchanger of stainless steel 10 Outlet nozzle Fig C1 TopVent NGV struct...

Page 24: ...REC Recirculation On off operation if heating is required the unit draws in room air heats it and returns the warm air back into the room The room temperature set value day is active Fan speed 1 2 1...

Page 25: ...min 1 720 900 910 1280 670 900 Nominal air flow rate 1 m h 4200 5900 5300 7200 6800 8800 Floor area reached 2 m 347 525 458 687 635 915 Nominal heat input max kW 32 0 66 0 66 0 Nominal heat output max...

Page 26: ...00 DN 100 Max length of flue gas duct 2 9 m 9 m 9 m 1 According to method of flue gas evacuation and combustion air supply 2 Equivalent length of formed parts 90 elbow 2 m 45 elbow 1 m 90 T piece 2 m...

Page 27: ...rence At room air temperature 16 C extract air temperature 18 C At room air temperature 20 C extract air temperature 22 C Table C8 TopVent NGV heat output supply air temperatures and mounting height 3...

Page 28: ...ection door with measuring opening for combustion air temperature 4 Gas connection A mm 900 900 1100 B mm 500 500 630 C mm 1562 1562 1640 D mm 1490 1490 1570 E mm 1000 1000 1000 F mm 946 974 1048 G mm...

Page 29: ...2 Mounting height Calculate the actual mounting height distance between the floor and the bottom edge of the units H Hall height distance from ceiling unit height Compare the actual mounting height wi...

Page 30: ...installation the units are provided with 4 M10 rivet nuts with hexagon bolts and washers The following guidelines are important when preparing for assembly Attach the TopVent unit using a suspension...

Page 31: ...20 50 mbar Recommended settings Natural gas G20 20 mbar Natural gas G25 25 mbar 2 Cut off valve Fig C4 Gas pressure regulator and cut off valve in the gas supply line 8 4 Electrical installation Cauti...

Page 32: ...N 2 3 4 5 6 7 8 J14 S1 0 1 8 TopVent L1 L2 L3 N PE X20 S4 1 ON 2 3 4 5 6 7 8 J14 S1 0 1 L1 L2 L3 N PE 1 ON 2 3 4 5 6 7 8 1 2 3 4 S1 X11 X9 1 2 3 4 5 6 5 x 2 5 mm 5 x 2 5 mm 5 x 2 5 mm 5 x 2 5 mm 2 x 0...

Page 33: ...warm air heater type provided for in Commission Regulation EU 2016 2281 9 2 Options Flue gas kit AZF AZS AZW for room air independent installation flue gas evacuation and combustion air supply Indivi...

Page 34: ...32...

Page 35: ...eating low ceiling spaces D 1 Use 34 2 Construction and operation 34 3 Technical data 36 4 Dimensions and weights 39 5 Design example 40 6 Options 42 7 Control system 42 8 Transport and installation 4...

Page 36: ...of the art and are safe to operate Despite every precaution being taken potential and not immediately obvious risks always remain for example Dangers when working with the electrical system Dangers wh...

Page 37: ...om air heats it and returns the warm air back into the room The room temperature set value day is active Fan modulated 1 Heater modulated 1 1 Depending on heat demand RECN Recirculation night like REC...

Page 38: ...plication limits 3 3 Air flow rate gas consumption Unit type GV 3 30 GV 5 50 Nominal air flow rate 1 m h 2600 5150 Floor area reached 2 m 70 115 Nominal heat input max kW 32 0 54 9 Nominal heat output...

Page 39: ...rmed parts 90 elbow 2 m 45 elbow 1 m 90 T piece 2 m Table D6 TopVent GV gas circuit connections 3 6 Sound levels Unit type GV 3 30 GV 5 50 Sound pressure level at a distance of 5 m 1 dB A 49 51 Total...

Page 40: ...flow X 2 X H R R W Y Unit type GV 3 30 GV 5 50 Unit clearance X min m 8 0 10 0 max m 12 0 14 0 Mounting height H min m 1 7 1 7 max m 3 0 3 5 Distance from wall W 1 min mm 400 640 420 560 Reach Y max...

Page 41: ...5 680 1 2 3 GV 5 795 670 650 73 546 90 470 325 400 M10 M 1 0 134 150 105 104 96 144 118 1 2 3 Unit type GV 3 30 GV 5 50 1 Gas connection 2 Combustion air connection 3 Flue gas connection Weight kg 38...

Page 42: ...m Fabric heat losses 38 kW Room temperature 20 C Extract air temperature 20 C Distance from ceiling 0 6 m Mounting height Calculate the actual mounting height distance between the floor and the bottom...

Page 43: ...t see Table D10 GV 3 30 OK GV 5 50 OK Minimum number of units Determine the minimum number of units for each unit type Take into account the following criteria Heat output Unit clearances and reach Ty...

Page 44: ...s GV 3 2 M10 blind rivet nuts on 2 opposite sides GV 5 2 M10 blind rivet nuts on 2 opposite sides 4 M10 blind rivet nuts on one side For positions see Fig D2 Table D12 TopVent GV securing points The f...

Page 45: ...ed is natural gas Check the type of gas the unit is set to work with and if necessary have Hoval Customer Service reset the unit to the type of gas supplied locally During operation of the unit the re...

Page 46: ...cross sections must be selected according to tech nical regulations e g VDE 0100 Electrical installation to be carried out according to wiring diagram Do not forget the master switch for the complete...

Page 47: ...t 1 ON 2 3 4 5 6 7 8 J14 S1 1 0 3 TopVent 1 ON 2 3 4 5 6 7 8 J14 S1 1 0 8 TopVent 1 ON 2 3 4 5 6 7 8 J14 S1 1 0 TempTronic RC 4 3 2 1 X6 3 4 2 1 X4 6 5 2 1 X6 4 3 2 1 X5 L1 N PE X1 1 2 3 X2 4 5 6 X3 7...

Page 48: ...with manually adjustable air flow louvres TopVent GV units comply with all the requirements of the Ecodesign Directive 2009 125 EC relating to environmentally friendly design of energy related product...

Page 49: ...ilating and heating high spaces E 1 Use 48 2 Construction and operation 48 3 Technical data 51 4 Dimensions and weights 54 5 Design example 55 6 Options 57 7 Control system 57 8 Transport and installa...

Page 50: ...exchanger Fresh air supply Mixed air operation Recirculation operation Air distribution with Air Injector Air filtration The unit is installed under the ceiling and connected to a fresh air duct Acco...

Page 51: ...e of supply 7 Terminal box with isolation switch 8 Fan 9 Casing 10 Gas control valve 11 Burner unit consisting of stainless steel gas blower and premix burner 12 Heat exchanger of stainless steel 13 A...

Page 52: ...er 20 open 1 Heater 60 100 2 1 Percentage is adjustable 2 Depending on heat demand SA1 Supply air speed 1 the same as SA2 but the unit operates only at fan speed 1 low air flow rate Fan speed 1 Fresh...

Page 53: ...280 910 1280 Nominal air flow rate 1 m h 3100 4200 4200 5900 5300 7000 Floor area reached 2 m 251 347 347 525 458 661 Nominal heat input max kW 32 0 66 0 66 0 Nominal heat output max kW 29 2 60 5 60 5...

Page 54: ...0 DN 100 Max length of flue gas duct 2 9 m 9 m 9 m 1 According to method of flue gas evacuation and combustion air supply 2 Equivalent length of formed parts 90 elbow 2 m 45 elbow 1 m 90 T piece 2 m T...

Page 55: ...e Hmax Maximum mounting height Reference Room air 18 Extract air 20 C 10 Fresh air ratio Table E8 TopVent MG heat output supply air temperatures and mounting height 3 8 Minimum and maximum distances X...

Page 56: ...g for combustion air temperature 4 Gas connection 5 Fresh air duct connection A mm 900 900 1100 B mm 500 500 630 C mm 2245 2245 2330 D mm 490 490 570 E mm 1000 1000 1000 F mm 946 974 1048 G mm 836 834...

Page 57: ...ired fresh air flow rate in total Fresh air ratio of supply air units max 10 of the nominal air flow rate The fresh air ratio can be adjusted from 0 100 Where EU Regulation 1253 2014 applies it must b...

Page 58: ...in kW Minimum number of recirculation units Determine the minimum number of recirculation units depending on the available supply air units Take into account the following criteria Floor area covered...

Page 59: ...on the units are provided with 4 M10 rivet nuts with hexagon bolts and washers The following guidelines are important when preparing for assembly Attach the TopVent unit using a suspension set option...

Page 60: ...20 50 mbar Recommended settings Natural gas G20 20 mbar Natural gas G25 25 mbar 2 Cut off valve Fig E4 Gas pressure regulator and cut off valve in the gas supply line 8 4 Electrical installation Caut...

Page 61: ...2 3 4 5 6 7 8 J14 S1 0 1 8 TopVent L1 L2 L3 N PE X20 S4 1 ON 2 3 4 5 6 7 8 J14 S1 0 1 L1 L2 L3 N PE 1 ON 2 3 4 5 6 7 8 1 2 3 4 S1 X11 X9 1 2 3 4 5 6 5 x 2 5 mm 5 x 2 5 mm 5 x 2 5 mm 5 x 2 5 mm 2 x 0...

Page 62: ...ssure switch Aluzinc sheet metal mixed air box insulated on inside with fresh air damper and recirculation air damper linked to move in opposite directions includes actuator TopVent MG units comply wi...

Page 63: ...Options F 1 Availability 62 2 Flue gas accessories 62 3 Paint finish 64 4 Suspension set 64 5 Air filtration 65 6 Acoustic cowl 65 7 Recirculation silencer 66 61 Options Content...

Page 64: ...pVent units flue gas kits are available There are different versions according to the following criteria where the unit is installed flat roof pitched roof wall power output of the units different nom...

Page 65: ...80 100 80 100 A 110 140 110 140 110 140 B 1850 1850 1850 1850 780 780 C 939 940 865 865 180 180 D 2 716 695 660 634 405 385 E 150 170 150 170 150 170 F 50 60 50 60 50 60 G 45 55 45 55 H 250 450 250 45...

Page 66: ...ividual unit components are painted in Hoval red RAL 3000 at no extra cost exception flue gas accessories 3 2 Paint finish as desired In order for them to harmonise with the room colour the units can...

Page 67: ...G4 Weight kg 20 24 Factory setting of differential pressure switches Pa 180 180 Table F7 Filter box technical data 5 2 Flat filter box A flat filter box with 4 pleated cell filters can be installed fo...

Page 68: ...nsertion attenuation is 3 dB compared with the total sound power level of each TopVent unit Mount the recirculation units as usual via the 4 fastening points in the heating section for example using t...

Page 69: ...TempTronic RC G 1 Use and function 68 2 Regulation of the room temperature 68 3 Control of the air distribution 68 4 External connections 69 5 Technical data 69 6 Alarms and monitoring 70 67 Control...

Page 70: ...ating mode the units are constantly in operation the fresh air ratio for supply air units can be regulated 0 100 In recircu lation mode the system operates in the energy saving on off mode The fuzzy l...

Page 71: ...1 The appliances can be switched to the oper ating mode Off e g from a control centre 1 2 X5 External room temperature sensor 1 Instead of the room temperature sensor that is integrated into the Temp...

Page 72: ...witches to operating mode Off Avoids loss of energy undefined states of operation Filter B The pressure difference for filter monitoring was exceeded for more than 5 minutes Informs the user of the ne...

Page 73: ...em design H 1 Installation site 72 2 Flue gas evacuation 72 3 General notices 72 4 Location of the temperature sensors 72 5 Division of the control zones 72 6 General checklist 73 71 System design Con...

Page 74: ...lue gas pipe as well In some countries an annual inspection and emission measured by the responsible authorities is legally required For this purpose measurement openings have been provided in the exh...

Page 75: ...surements from the roof is the roof accessible in the vicinity of the units Are the application limits complied with Which gas category is used How high is the gas supply pressure Are unit options req...

Page 76: ...74...

Page 77: ...Operation I 1 Operation 76 2 Maintenance and repair 77 3 Dismantling 78 4 Disposal 78 75 Operation Content...

Page 78: ...o run to cool down the heat exchanger When the fan comes to a stop switch off the plant on the main switch 1 4 Putting into operation again Open the shutoff valve in the gas supply line Switch on the...

Page 79: ...a stop Open both sliding doors in the filter box Item 2 one after the other change the filters and reclose the sliding doors Switch the isolation switch to the On position again 2 3 Inspection and ma...

Page 80: ...t gas unit Disconnect all media connections from the unit flue gas accessories electrical wiring gas connection and air duct connection Secure disassemble and remove the unit from the instal lation si...

Page 81: ......

Page 82: ...one of the leading international companies for indoor climate solutions More than 70 years of experience continuously motivates us to design innovative system solutions We export complete systems for...

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