Description
Gas Burner Hotel Airport Air Conditioners Rooftop Packaged Unit
CharacteristicsStructurePanels and frame are made from galvanized steel protected with polyester powder painting to ensure total resistance to atmospheric agents.
Direct expansion coils with condensate drain tray.
Hermetic compressor
High efficiency scroll compressor for the whole range, with built-in thermal overload cut-out and crankcase heater, mounted on rubber vibration dampers
Ripple type acoustic insulation for compressor section, and thermal insulation for coil and fan section, low noise
Centrifugal fan
Forward curve centrifugal fans for air treatment section and axial fans for condensation section
Front, side and underside air discharge of the treatment unit
High external pressure, long air supply distance
Electric panel
Electric panel consists of breakers and contactors for compressors and fan motors, phase sequence relay and other necessary protection devices for the main components
Easy operation line controller
Cooling/Heating/Auto
Error indication
Timing on/off
Optional
Economizer with fresh, return air dampers and fresh air hood
Free cooling function for low ambient temperature
Low ambient control device for operation of outdoor units at ambient temperatures from less than 20°C down to -10°C
BMS devices
T3 (Tropical climate)
Roof curb
Metal / aluminum filter
Heat recovery to 100%
Evaporating section: double skin with 50mm polyurethane foam
Optional water heating coil
Metal or plastic mesh on condenser coil
Optional supply / return air configurations
Upgraded plug fan
G4 filter, plate and bag filterGas BurnerAmrta rooftop packaged unit can be fitted with a gas burner. As one of the auxiliary heating devices, it allows the rooftop units to heat without running the refrigeration system or only with a part of it to achieve a high performance of
energy-saving at lower ambient temperature in winter and to reduce massively
the heating operating costs specially for where the natural gas is cheaper than
electricity.
The gas heating modular use a safe and reliable atmospheric gas burner made of aluminized steel tube heat exchanger designed to offer maximum heat transfer and 92% efficiency (PCI%). It runs with natural gas in an operating range of 1.3-2.6KPa. The standard gas module offers 2 stages of control which helps in improving space comfort by avoiding large supply air temperature deviations. The airfl ow rate in the burner is controlled as the gas
fl ow is being reduced maintaining the burner to its highest effi ciency level.
S: 30kW
M: 50kW
L:100kW
3 modules are available, which can provide separately 30kW, 50kW and 100kW heating capacity in standard working condition according to your different heating requirements. Where more capacity is required a modulating
version is available with fl exible combination. For safety reasons, the rooftop unit with gas heating can't be installed inside a technical room.Technical Data * Performance values refer to the following conditions:
Cooling: room air temperature 27.0°C DB RH 50%, ambient air temperature 35°C;
Heating: room air temperature 20.0°C DB, ambient air temperature 7°C DB / 6°C WB.
** Noise level measured by adopting average value in the noise lab with background noise of 25 dB(A), at a distance of 1.5m high fan speed.
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