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52
9 - TECHINICAL INFORMATION
DP[KPA] = Useful static pressure
Q[L/S]
= WATER FLOW
The heads are intended as available at the unit
connections
10
20
30
40
50
60
70
80
90
100
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,0
DP (
k
P
a
)
Q (l/s)
51
41
71
21-31
SIZE
21 31 41 51 71
Qmin [l/s] 0.15
0.18 0.18 0.23 0.34
Qmax
[l/s]
0.9 0.9 0.9 1.1 1.5
Minimum (Qmin) and maximum (Qmax) admissible water flow for the unit to operate correctly.
10
20
30
40
50
60
70
80
90
100
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,0
DP
(
k
P
a
)
Q (l/s)
21
31-41
51
71
EXCHANGER PRESSURE DROP LIMIT.
WARNING: DON'T USE OVER THIS LIMIT
EXCHAMGER PRESSURE DROP LIMIT.
WARNING: DON'T USE BELOW THIS LIMIT.
DP = PRESSURE DROP
Q = WATER FLOW RATE
THE HEADS ARE INTENDED AS AVAILABLE AT THE UNIT CONNECTIONS
Q [L/S] = WATER FLOW RATE
DP [KPA] = AVAILABLE HEAD
10
20
30
40
50
60
70
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,0
1,1
1,2
DP
(
k
P
a
)
Q (l/s)
31-41
51
71
21
0,00
0,02
0,04
0,06
0,08
0,10
0,12
0,14
0,16
0,18
0,1
0,2
0,3
0,4
0,5
0,6
0,7
0,8
0,9
1,0
1,1
1,2
P
c
ir
c
(k
W
)
Q (l/s)
51 - 71
21 - 31 - 41
Available pressure curves with high efficiency circulator
High efficiency circulator absorption curve
Q [L/S] = WATER FLOW RATE
PAC[KW] = PUMP POWER INPUT
9.5 ADMISSIBLE WATER FLOW
9.6 UNIT WITHOUT HYDRONIC SYSTEM - OPTION
Exchanger pressure drops
9.7 UNIT WITH HYDRONIC SYSTEM - OPTION
Available pressure curves
9.7 UNIT WITH EC HIGH EFFICIENCY CIRCULATING GROUP - OPTIONAL
Summary of Contents for WSAN-XIN 21
Page 44: ...44 8 MAINTENANCE SPARE PARTS SIZES 21 31 41 ...
Page 46: ...46 8 MAINTENANCE SPARE PARTS SIZES 51 71 ...
Page 55: ...55 NOTES ...