Sinclair GSH-100ERA series, Руководство по эксплуатации

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AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL
9.8 Selection of expansion vessel
Formula:
1
2
v=
1
1
1
c e
p
p
⋅
+
−
+
v
--- Volume of expansion vessel
c
--- Total water volume
1
p
--- Pre-set pressure of expansion vessel
2
p
-- The highest pressure during running of the system (that is the action pressure of
safety valve.)
e
--- The expansion factor of water (the difference between the expansion factor of the
original water temperature and that of highest water temperature.)
Water expansion factor in different temperature
Temperature
（℃）
Expansion factor
e
0 0.00013
4 0
10 0.00027
20 0.00177
30 0.00435
40 0.00782
45 0.0099
50 0.0121
55 0.0145
60 0.0171
65 0.0198
70 0.0227
75 0.0258
80 0.029
85 0.0324
90 0.0359
95 0.0396
100 0.0434
25