8
2-3 Performance of ACGC centrifugal gas unit heaters
Centrifugal model. ACGC
ACGC unit heaters are equipped with a centrifugal fan
and are supplied as standard with an air case
(assembly p. 9).
They are intended for blowing or taking air from a
sheath network.
Mixture dampers and a filter can be incorporated on
the air case.
TYPES
ACG20C
ACG28C
ACG35C
ACG45C
ACG55C
ACG75C
Calorific output
kW
21
28
35
45
55
71
Useable power
kW
19.5
25.5
31.5
40.5
50
64.4
Efficiency
%
> 91
> 91
> 91
> 91
> 91
> 91
Type of fan
BD25/25 M6 BD28/28 M6 BD28/28 M6 BD33/33 M6 BD33/33 M6 BD33/33 M6
Air flow at 15 °C
Air flow at 50 °C
m
3
/h
1 700
1 900
2 050
2 300
2 800
3 150
3 900
4 350
4 400
4 950
5 400
6 050
Delta T° of air
°C
33.7
36.6
33.1
30.5
33.4
35.1
Pressure of available
Pa
120
90
135
110
135
130
Gas flow at 15°C
Natural G20
Groningue G25
Propane G31
20 mbar
25 mbar
37 mbar
2.22 m
3
/ h
2.46 m
3
/ h
1.64 kg / h
2.96 m
3
/ h
3.29 m
3
/ h
2.18 kg / h
3.70 m
3
/ h
4.11 m
3
/ h
2.73 kg / h
4.76 m
3
/ h
5.28 m
3
/ h
3.51 kg / h
5.82 m
3
/ h
6.43 m
3
/ h
4.30 kg / h
7.40 m
3
/ h
8.22 m
3
/ h
5.46 kg / h
Smoke diameter
mm
80 / 125
80 / 125
80 / 125
100
130
130
Air input diameter
mm
100
130
130
Supply voltage
Electrical power
VA
860
900
920
1250
1350
1700
Weight
kg
99
117
125
140
165
180
Mono-phase 230 Volts / 50 Hz - IP42
Motor electrical power kW - Hp
0.25 - 1/3
0.37 - 1/2
0.37 - 1/2
0.75 - 1
0.75 - 1
1.1 - 1.5
Motor rotation speed
Rpm
720
680
850
750
860
980
Motor coupling
Speed
—
MV
GV
PV
MV
—
Flow/pressure curve
N°
2
4
5
8
9
10
ACG95C
92
84
> 91
BD33/33 M6
2×(0.75-1)
750
PV
-
7 600
8 500
29.1
130
10.00 m
3
/ h
11.1 m
3
/ h
7.4 kg / h
130
130
2 400
260
Preparation for assembly :
Disassemble the side panels (1) and (2) of
the fan case
Assembly of A and B :
Assemble the fan case A on the thermal
case B, using the 4 BTR M8 (3) screws
provided.
Caution :
Position the fan supply electrical
connector (5) at the supply cable end (7),
See photo (I) above.
Electrical connection :
Connect the fan connector (5) with the
thermal module connector (6), see photo (II)
above.
Reinstall the side panels (1) and (2) using
the hardware supplied.
A – Fan case
B – Thermal case
A
1
2
B
3
Assembly of the fan case for ACGC
6
5
7
I
II