5
4.5. CMR - CDA PUMP SPECIFICATIONS
U/M
CMR
CDA
Max. temperature of
liquid pumped
(domestic use)
°C
90
40 (075-100)
90 (150-200-300-400-550-750)
Suction diameter
*
G1
1
⁄
2
G1 (075-100)
G1
1
⁄
4
(150-200-300)
G1
1
⁄
2
(400-550-750)
Delivery diameter
G1 (075-100-150-200-300)
G1
1
⁄
4
400-550-750)
Max. working
pressure
MPa
0.6
0.6 (075/100)
1 (150-200-300-400-550-750)
* = threading according to ISO 228
4.6. MOTOR SPECIFICATIONS
TYPE
TEFC
RATINGS
See motor-driven pump rating plate
OVERLOAD
PROTECTION
SINGLE PHASE: thermal cutout w/ automatic reset
THREE PHASE: by installer
4.7. INFORMATION ON AIRBORNE NOISE
Pump
P2 [kW]
Shaft height
LpA [dB] (A)*
CD(X)
2CD(X)
0.37÷1.8
0.75÷3.7
71÷80
71÷90
<70
DWO–DWC
1.1÷3.0
80-90
<70
CM-CDA
0.25÷2.2
63÷80
<70
CMB – CDA
3 - 4
100
72
The table gives maximum sound emission values for the mo-
tor-driven pumps
* Sound pressure level - Mean value of measurements taken
one metre from the pump. Tolerance ± 2.5 dB.
5. PREPARING FOR USE
5.1. FILLING THE PUMP CD(X) – 2CD(X)
WARNING
OPERATION TO BE PERFORMED WITH THE MOTOR’S TER-
MINAL STRIP FULLY CLOSED.
a) Unscrew the hexagonal cap (1-2) located on the front of the
pump casing (see chap. 6 FIG. 1 and 2).
b)
With the aid of a funnel,
fi
ll the pump with water to over-
fl
owing.
c) Screw the hexagonal cap back on until it is locked tight to
prevent air getting in.
5.2. FILLING THE PUMP DWO – DWC – CM - CDA
WARNING
OPERATION TO BE PERFORMED WITH THE MOTOR’S TER-
MINAL STRIP FULLY CLOSED.
a) Make sure the foot valve (3-4-5) is not obstructed. (see
chap. 6 FIG. 3,4,5).
b) Switch on and off two or three times to check operating con-
ditions.
c) Begin continuous duty and gradually open the delivery gate
valve.
GB
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6-02-2009 9:50:38