Robur GAHP-A, Installation, Use And Maintenance Manual

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1 Features and technical data
Installation, Use and Maintenance Manual – GAHP-A
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GAHP-A HT STD GAHP-A HT S1
Electrical power absorption
nominal kW 0,84 (5) 0,77 (5)
minimum kW - 0,50 (5)
Degree of protection IP X5D
INSTALLATION DATA
gas consumption
methane G20 (nominal) m3/h 2,72 (3)
methane G20 (min) m3/h 1,34
G25 (nominal) m3/h 3,16 (9)
G25 (min) m3/h 1,57
G27 (nominal) m3/h 3,32 (12)
G27 (min) m3/h 1,62
G30 (nominal) kg/h 2,03 (4)
G30 (min) kg/h 0,99
G31 (nominal) kg/h 2,00 (4)
G31 (min) kg/h 0,98
NOx emission class 5
NOx emission ppm 25
CO emission ppm 36
Sound power Lw (max) dB(A) 79,6 (8) 74 (8)
Sound power Lw (min) dB(A) - 71 (8)
Sound pressure Lp at 5 metres (max) dB(A) 57,6 (10) 52 (10)
Sound pressure Lp at 5 metres (min) dB(A) - 49 (10)
Minimum storage temperature °C -30
Maximum water pressure in operation bar 4
Maximum flow flue condensate l/h 4
Water content inside the apparatus l 4
Water fitting
TYPE F
thread " G 1 1/4
Gas connection
TYPE F
thread " G 3/4
Fume outlet
Diameter (∅) mm 80
Residual head Pa 80
Dimensions
width mm 848 (6)
depth mm 1258
height mm 1281 (6) 1537 (6)
Weight In operation kg 390 400
Required air flow m3/h 11000
Fan residual head Pa 40
GENERAL INFORMATION
INSTALLATION MODE
B23P, B33, B53P
REFRIGERANT FLUID
AMMONIA R717 kg 7
WATER H2O kg 10
MAXIMUM PRESSURE OF THE REFRIGERANT CIRCUIT bar 32
Note:
(1) As per standard EN12309-2
(2) For flows other than nominal see Design Manual
(3) PCI (G20) 34,02 MJ/m3 (1013 mbar 15 °C).
(4) PCI (G30/G31) 46.34 MJ/kg (1013 mbar 15 °C).
(5) ± 10% according to the power supply voltage and tolerance on electrical motors consumption.
(6) Overall dimensions without flue gas exhaust ducts.
(7) A special version is available as optional feature for operation at -30 °C.
(8) Sound power values detected in compliance with the intensity measurement methodology set forth by standard EN ISO 9614.
(9) PCI (G25) 29,25 MJ/m3 (1013 mbar 15 °C).
(10) Maximum sound pressure levels in free field, with directionality factor 2, obtained from the sound power level in compliance with standard EN ISO 9614.
(11) Under transitory conditions lower temperatures are allowed.
(12) PCI (G27) 27,89 MJ/m3 (1013 mbar 15 °C).