2 | product description, R404a – GEA Bock HGZ7 User Manual
Page 8

8
D
GB
F
E
09726-11.2014-DGbF
50 Hz
}
60 Hz
}
Observe the limits of application
diagrams!
1
Type designation
2
Machine number
3
Type code
4
Maximum operating current
5
Starting current (rotor blocked)
Δ: Part winding 1
YYY: Part windings 1 and 2
Y
: Part winding 1
YY: Part windings 1 and 2
6
ND (LP): max. admissible operating
pressure
(g)
Low pressure side
HD (HP): max. admissible operating
pressure
(g)
High pressure side
7
Voltage, circuit, frequency
8
Nominal rotation speed
9 Displacement
V
ND =
low pressure stage
V
HD =
high pressure stage
10 Voltage, circuit, frequency
11 Nominal rotation speed
12 Displacement
V
ND =
low pressure stage
V
HD =
high pressure stage
13 Oil type filled at the factory
14 Terminal box protection type
Electrical accessories can change
the IP protection class!
until
A018
from
A040
}
}
2| Product description
/
HGZ 7 2110-4
X
Fig. 5
2.4 Name plate (example)
2.5 Type key (example)
1)
HGZ = Hermetic gas cooled (suction gas cooled), two-stage
2)
X = Ester oil filling (HFC refrigerant R404A/R507, R410A)
3)
Possible alternative refrigerants R404A/R507, R410A, R22
R404A
Refrigerants
3
)
Number of poles
Swept volume
Size
Oil charge ²
)
Series ¹
)
1
2
4
5
6
14
13
8
12
7
11
9
10
GEA Bock GmbH
72636 Frickenhausen, Germany
Y/YY
Y/YY
3
.
.
.
.