GEA Grasso VHS Series Installation And Maintenance Instructions Manual page 53

Fig.17:
Symbols used in diagram
to = evaporating temperature
po = evaporating pressure
tc = condensing temperature
pc = condensing pressure
Δto = suction superheat
j = pressure ratio = (pc / po)
Δp = pressure difference = (pc - po)
te,max = maximum discharge temperature
↓ = Line shift downwards for Δto > 0 K and/or part-load operation
Procedure and data
•
•
P-NL-094_imm_VHS_English_13
26.07.2021
General field of application Grasso V 700HS – V 1800HS
Diagram is based on continuous full-load operation, suction superheat = 0K
for NH
3
For continuous minimum part-load (i.e. more than 30 minutes) consult
Grasso.
Hint!
Always consult the suppliers and the sales selection software tools of
the manufacturer, to determine the precise field of application for an
actual compressor selection.
APPENDIX; Product Information (PI)
PRECISE FIELD OF APPLICATION
53