Dantherm Group
Master

Master AIR-BUS BV 691 SE – indirect oil fired air heaters

Indirect fuel fired air heaters with separate Riello burner

AIR-BUS indirect air flow heaters have a wide heat exchanger in stainless steel pipes and a separate Riello burner. They offer high efficiency and the possibility of connecting up to four flex tubes per unit.

View all of our indirect fuel fired heaters or search for an indirect oil fired heater, tent heater or other type of commercial heater to meet your required applications.

Master BV 691 SE – indirect oil fired air heaters - 1 way
Master BV 691 SE – indirect oil fired air heaters - 1 way
Master BV 691 SE – indirect oil fired air heaters - 4 way
Master BV 691 SE – indirect oil fired air heaters - 4 way
Master AIR-BUS video
Master AIR-BUS video
Master BV heaters with air recycling video
Master BV heaters with air recycling video
Master AIR-BUS unboxing guidelines
Master AIR-BUS unboxing guidelines
Master BV 690 heating construction tents Murmansk
Master BV 690 heating construction tents Murmansk

Key features

  • Strong and robust steel frame with metric bolts
  • Powerful fan
  • Air pressure 250 Pa
  • Digital control of the combustion
  • Unique 'cold start' button for very cold environments
  • Possible connection to 4, 2 or 1 flexible tubes
  • Flue gas exhaust
  • Separate Riello oil burner
  • Summer/Winter switch for ventilation only
  • Electronic flame control with photocell
  • Fan-Limit thermostat with automatic reset
  • Limit thermostat with manual reset
  • Fuel preheater
  • Two oil filters: oil pump filter and suction filter
  • Quick connector to external tank (optional)
  • High-efficiency heat exchanger made of stainless steel pipes
  • Stainless steel combustion chamber
  • Robust wheels included
  • 4 robust crane hooks
  • These heaters can burn: biofuel HVO 100, diesel or kerosene
  • Compatible with remote monitoring system InfoAir

Product specifications

SpecificationsUnitsBV 691 SE - 1 way
Heating power
kW
225
Heating power
Btu/h
768,000
Heating power
kcal/h
193,500
Air flow
m³/h
12,800
Fan
type
Axial
Air pressure
Pa
250
Thermostat control
Analogue or digital
Fuel consumption
l/h
21.44
Power supply
V/Hz
220-240/1ph/50
Electric power
kW
2.8
Rated current
A
12.6
Electronic box protection
IP44
Flue tube
Ømm
200
Air outlet diameter
mm
1 x 720
Product size (l x w x h)
mm
2200 x 985 x 1620
Box size (l x w x h)
mm
2150 x 840 x 1560
Net/gross weight
kg
380/410
SpecificationsUnitsBV 691 SE - 4 way
Heating power
kW
225
Heating power
Btu/h
768,000
Heating power
kcal/h
193,500
Air flow
m³/h
12,800
Fan
type
Axial
Air pressure
Pa
250
Thermostat control
Analogue or digital
Fuel consumption
l/h
21.44
Power supply
V/Hz
220-240/1ph/50
Electric power
kW
2.8
Rated current
A
12.6
Electronic box protection
IP44
Flue tube
Ømm
200
Air outlet diameter
mm
4 x 320
Product size (l x w x h)
mm
2200 x 985 x 1620
Box size (l x w x h)
mm
2150 x 840 x 1560
Net/gross weight
kg
380/410

Suitable for

  • Agriculture
  • Automotive
  • Commercial buildings
  • Construction
  • Emergency services
  • Events and festivals
  • Industrial, factories and production
  • Military and aerospace
  • Rental companies
  • Transport and logistics