CIAT Magister 2 CW 12, Installation, Operation, Commissioning, Maintenance

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GB-11
6-2 Cooling coil:
2 coil types have been predefined in order to provide the different water temperature ranges. Other types may be
selected for special water temperature ranges or specific performance levels.
Note: make sure that the chilled water supply pipes are insulated.
Moderately tighten the coil supply connections to avoid damaging the manifolds.
Coil specifications:
Flow rate and pressure drop for valve + coil:
CW
No. of
rows
12 18 24 30 35 45 61 70 80 90 115
4 rows 2.1 3.18 4.2 5.28 6.12 7.84 10.56 12.24 14.25 15.41 18.42
5 rows 1.79 2.70 3.57 4.49 5.10 6.66 8.97 10.20 12.04 13.05
Nominal water flow
rate* (m
3
/h)
6 rows 16.74
Valve K
v
4 6.3 6.3 10 10 16 16 25 25 25 40
4 rows
5.91 6.9 7.63 6.67 7.72 6.24 8.26 6.36 6.5 7.54 4.53
5 rows 5.73 6.29 6.96 6.18 7.06 6.22 7.33 6.11 6.07 7.06
P (Pa) Valve + Coil
(mWC)
6 rows
5.89
4 rows 2.79 2.58 4.51 2.83 3.79 2.43 4.41 2.43 3.29 3.85 2.15
5 rows 2.02 1.86 3.25 2.04 2.63 1.76 3.19 1.68 2.35 2.76
P (Pa) Valve alone
(mWC)
6 rows 1.77
* Return conditions: 24°C / 45% HR.
Water T°
∆
: 5°C
CW 12 18 24 30 35 45 61 70 80 90 115
Number of
coils
1 1 2 2 2 1 4 4 2 2 1
CW
Standard coil
(4 rows)
Capacity (l)
3.75 5.7 7.5 9.45 11.4 14 18.9 22.8 28 28 30.2
Number of
coils
1 1 2 2 2 1 4 4 2 2
CW
Coil
(5 rows)
Capacity (l)
4.5 6.8 8.7 11.3 13.6 16.8 22.6 27.2 33.6 33.6
Number of
coils
1
CW
Coil
(6 rows)
Capacity (l)
42.9
Number of
coils
CW
Special "S"
Coil
Capacity (l)
Refer to conditions for range