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5.3.2 Adjustment procedure for solution flow rate
(1) Function of each butterfly valve and initial setting of valve opening (Table 5.1) ----- Same
settings for both cooling and heating
Table 5.1 Function and Initial Setting of each Butterfly Valve
Symbol
Name
Location and Function
Initial
Setting for
valve
Opening
Remarks
V-31
Dilute solution flow
rate control
valve(manual
butterfly valve)
Location
Discharge line of the dilute
solution pump
45 °
Function
Solution flow rate control(for
pressure reduction)
V-30
Dilute solution
distribution flow rate
control (manual
butterfly valve)
Location
Dilute solution line Branch
line from the low temp. heat
exchanger outlet to the low
pressure generator inlet
15°
: For 80RT
~ 500RT
40°
: For 600RT
and over
Function
Flow rate control of dilute
solution to the low pressure
generator
V -29
Intermediate
solution flow rate
control valve
(manual butterfly
valve)
Location
Intermediate concentration
solution line
From the high temp. heat
exchanger outlet to the low
pressure generator inlet
30 °
Function Flow rate control of
intermediate concentration
solution on return side of
the high pressure generator
V-34
Concentrated
Solution pressure
reducing valve
(manual butterfly
valve)
Location
Discharge line of
concentrated solution pump
45 °
Applied 360RT and
over.
Function
Control of spray flow rate of
concentrated solution to the
absorber ( for pressure
reduction)
V-18
Refrigerant spray
flow rate control
valve (manual
butterfly valve)
Location
Discharge line of the
refrigerant pump
Function
Control of spray flow rate of
refrigerant to the evaporator
45 ° (For 360RT~500RT)
20 ° (For 600RT and over)
Note: Indication of valve opening angle
0
℃
: When the butterfly valve is fully closed against the flow.
90
℃
: When the butterfly valve is fully opened against the flow.
Opening angle
Pipe
(2) Functions and initial setting of the valve opening for heating operation (Table 5.2)
Direction of low
Summary of Contents for HDFN-80-1400
Page 11: ...11 Fig 1 1 External View of Chiller heater...
Page 16: ...16...
Page 20: ...20 Fig 3 5 Operation Flow Chart...
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Page 66: ...66 Fig 8 Lithium Bromide Temperature Specific Gravity Concentration Curve...
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