64
VMBMA602
15.3 Check points
Temperatures
Name
Values
Condensing temperature
0.5 – 1.5 °C above supply line temperature
Evaporation temperature
7 - 8 °C lower than incoming brine
Overheating
4 - 8 K temperature difference
Radiator circuit
5 - 10 K temperature difference
Brine circuit
2 - 5 K temperature difference
Overheating R407C
4K ±1 K
Expansion valve factory setting
Name
Setting
Danfoss TUBE R404A, 4.2 kW
From fully closed position, screw 3 turns out
Danfoss TUBE R404A, 5.6 kW
From fully closed position, screw 5.5 turns out
Danfoss TUBE R404A, 8.4 kW
From fully closed position, screw 5 turns out
Danfoss TUBE R404A, 12.0 kW
From fully closed position, screw 5.25 turns out
Danfoss TUBE R404A, 15.3 kW
From fully closed position, screw 2.75 turns out
Danfoss TUBE R407C, 11.0 kW
From fully closed position, screw 6.25 turns out
Danfoss TUBE R407C, 17.0 kW
From fully closed position, screw 5.5 turns out
Break pressure pressure switches
Refrigerant
Pressostat
Break pressure
R407C
Low pressure switch
0.08 MPa
Operating pressure switch A
2.65 MPa
Operating pressure switch B
2.85 MPa
High pressure switch
3.10 MPa
R134a
(Only applies for
certain models
of DHP-C)
Low pressure switch
0.03 MPa
Operating pressostat
1.80 MPa
High pressure switch
2.45 MPa
R404A
(Only applies to
DHP-A, -AL)
Low pressure switch
0.08 MPa
Operating pressure switch A
2.65 MPa
Operating pressure switch B
2.85 MPa
High pressure switch
3.10 MPa
Содержание DHP-H
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