Master AIR-BUS BV 691 S – 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.
Master AIR-BUS BV 691 S
|
Master AIR-BUS video
|
Master BV heaters with air recycling video
|
Master AIR-BUS unboxing guidelines
|
Master BV 690 heating construction tents Murmansk
|
Key features
-
Strong and robust steel frame with metric bolts
-
Powerful fan
-
Air pressure 250 Pa (400 Pa for centrifugal version)
-
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
Product specifications
| Specifications | Units | BV 691S |
|---|---|---|
| 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 |
|
IP55
|
| Flue tube |
Ømm
|
200
|
| Air outlet diameter |
cm
|
4 x 32
|
| Air outlet diameter |
cm
|
1 x 70
|
| 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
|