ROBUA GAHP A Series, Installation, Use And Maintenance Manual

Page: 17 / 44

Features and technical data
Installation, use and maintenance manual – GAHP A
17
1
GAHP A HT
Standard
GAHP A HT S1
Thermal differential
nominal °C 10
Heating water flow
nominal l/h 3000
maximum l/h 4000
minimum l/h 1400
Pressure drop heating mode nominal water pressure (A7W50) bar 0.43 (2)
Ambient air temperature (dry bulb)
maximum °C 40
minimum °C -15 (3)
Electrical specifications
Power supply
voltage V 230
type SINGLE PHASE
frequency 50 Hz supply 50
Electrical power absorption
nominal kW 0,84 (4) 0,77 (4)
minimum kW 0,50 (4)
Degree of protection
IP X5D
Installation data
Gas consumption
methane G20 (nominal) m³/h 2,72 (5)
methane G20 (min) m³/h 1,34
G25 (nominal) m³/h 3,16 (6)
G25 (min) m³/h 1,57
G27 (nominal) m³/h 3,32 (7)
G27 (min) m³/h 1,62
G30 (nominal) kg/h 2,03 (8)
G30 (min) kg/h 0,99
G31 (nominal) kg/h 2,00 (8)
G31 (min) kg/h 0,98
NO
x
emission class 5
NO
x
emission
ppm 25.0
CO emission
ppm 36,0
Sound power L
w
(max)
dB(A) 79,6 (9) 74,0 (9)
Sound power L
w
(min) dB(A) 71,0 (9)
Sound pressure L
p
at 5 metres (max) dB(A) 57,6 (10) 52,0 (10)
Sound pressure L
p
at 5 metres (min)
dB(A) 49.0 (10)
Minimum storage temperature
°C -30
Maximum water pressure in operation
bar 4
Maximum flow flue condensate l/h 4,0
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 (Ø) mm 80
residual head Pa 80
Type of installation
B23P, B33, B53P
Dimensions
width mm 854 (11)
depth mm 1260
height mm 1445 (11) 1540
Weight
in operation kg 390 400
Required air flow
m³/h 11000
Fan residual head
Pa 40
General information
Cooling fluid
ammonia R717 kg 7.0
water H
2
O kg 10,0
Maximum pressure of the cooling circuit
bar 32
(1) In transient operation, lower temperatures are allowed.
(2) For flows other than nominal see Design Manual, Pressure losses Paragraph.
(3) As an option, a version for operation down to -30 °C is available.
(4) ±10% depending on power voltage and absorption tolerance of electric motors.
(5) PCI (G20) 34,02 MJ/m³ (15 °C - 1013 mbar).
(6) PCI (G25) 29,25 MJ/m³ (15 °C - 1013 mbar).
(7) PCI (G27) 27,89 MJ/m³ (15 °C - 1013 mbar).
(8) PCI (G30/G31) 46,34 MJ/kg (15 °C - 1013 mbar).
(9) Sound power values detected in compliance with the intensity measurement methodology set forth by standard EN ISO 9614.
(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) Overall dimensions excluding fumes pipes.