VMA-VMB
INSTALLATION AND
MAINTENANCE
918027-0
English
NoVa air heaters
Страница 1: ...VMA VMB INSTALLATION AND MAINTENANCE 918027 0 English NoVa air heaters ...
Страница 2: ...ulation and mixing of fresh and return air are mounted on the inlet side The basic unit consists of a cabinet with heating coil and axial flow fan The fan motor is mounted on the inlet side Pipe connections for the heating medium are extended through the side of the cabinet 1 Fan suspension and wire mesh 2 Motor and fan 3 Heating coil 4 Cabinet 5 Mounting brackets Figure 1 Basic unit 1 Basic unit ...
Страница 3: ...es on inlet side wall or ceiling mounting 1 Screw the mounting brackets onto the basic unit Eight screws for mounting in the corners of the unit on the inlet sideareincluded Thepositionof the brackets is identical for mounting onto walls and ceilings 2 Mark holes for mounting on the wall or ceiling surfaces using the included template sheet Note Wall mounted fans must be at least 2 2 m above the f...
Страница 4: ...ing housings Manually operated hand regulators are mounted directly onto the shafts Motor driven regulators for automatic operation are mounted onto the shafts according to the motor supplier s instructions A slot at the end of the damper shaft marks the position of the dampers plate See figure 6 15 Mount the filter section in the return or fresh air duct by means of U cleats Note The arrow at the...
Страница 5: ...an speed See section 2 5 Electrical connection In addition the water flow in the heating coil should be constant to allow for regulation of the heat supply through changing of the water temperature Fans with fresh air supply must be protected against frost When using water as heating medium an automatic control system with a frost indicator should be installed The preferred method is with a stem b...
Страница 6: ...r is a one piece assembly The motor bearings are greased for life i e approx 30 000 working hours and cannot be greased anew When the service life of the bearings has run out they should be replaced Replacement of thebearingsshouldbecarriedoutby a specialist During replacement remove the entire unit comprising fan suspension and fan Afterwards remove the suspension from the fan When re mounting th...
Страница 7: ... 148 0 52 0 66 5 50 1300 190 0 66 6 50 60 1320 1450 410 570 1 90 2 50 7 910 980 390 580 1 80 2 60 8 920 1080 470 730 2 30 3 20 Sizes Starting current A Ambient temp ranges C Weight kg Encap sulation 4 1 20 1 18 20 to 45 3 5 IP44 5 6 4 40 15 to 60 9 2 IP54 7 8 5 50 15 to 45 12 8 Table 3 Motor specifications 1 1 The motors comply with EU s ErP 2015 directive Types Regulation type Voltage V Max curre...
Страница 8: ...ranty can be agreed upon 13 Declaration of conformity The Machinery Directive 2006 42 EU part 2 A Novenco Building Industry A S Industrivej 22 4700 Naestved Denmark hereby declares that the air heaters typeVMAandVMB42 84havebeen manufactured in accordance to and comply with the European Council s directives 2006 42 EU regarding mutual approximation of the machinery laws the Machinery Directive of ...
Страница 9: ... fuse L1 N PE Max 10 A fuse GND supply RDG100T Temperature regulator Phase supply GND supply Protective earth 1 L 4 NC 6 NO 5 C 2 N 3 PE NV515 Thermostat Flow valve Fan PE M Flow valve Fan Phase supply N Q1 3 phased motors only N L PE U N TK Tk PE Y2 Y1 M L M X1 L1 N PE Max 10 A fuse GND supply Motor protection Regulator motor In 230 VAC RDG100T Temperature regulator 926595 0 5 step speed control ...
Страница 10: ... L1 N PE Max 10 A fuse GND supply RDG100T Temperature regulator 926595 0 Termisk aktuator Flowventil 926522 0 2 1 N N PE Regulation motor In 230 VAC Stepless speed control 2 5 A Air heater 1x230 VAC Phase supply N Q1 Y2 Y1 M L M X1 L1 N PE Max 10 A fuse GND supply RDG100T Temperature regulator 926595 0 Thermal actuator Flow valve 926522 0 N L L1 N PE PE PE Regulation motor In 230 VAC Stepless spee...
Страница 11: ... NO 5 C 2 N 3 PE NV515 Thermostat 918097 0 PE M Thermal actuator Flow valve 926522 0 Air heater 1x230 VAC 3 phased motors only N L PE U N TK Tk Motor protection Regulation motor In 230 VAC 5 step speed control 1 5 A 2 5 A 5 A 10 A 92660x 0 L1 N PE Max 10 A fuse Phase supply GND supply Protective earth 1 L 4 NC 6 NO 5 C 2 N 3 PE NV515 Thermostat 918097 0 M Thermal actuator Flow valve 926522 0 2 1 N...
Страница 12: ...d stepless regulator 5 A L1 N PE Max 10 A fuse Phase supply GND supply Protective earth 1 L 4 NC 6 NO 5 C 2 N 3 PE NV515 Thermostat 918097 0 M Thermal actuator Flow valve 926522 0 N L L1 N PE PE PE Regulation motor In 230 VAC Stepless speed control 5 A Air heater 1x230 VAC ...
Страница 13: ...WWW NOVENCO BUILDING COM NoVa air heaters ...
