Ariston Clas System 28 FF User Manual

9
installation
Overall Dimensions
28
770
200
150
315
120 120
200
180
65 6567 67
25770
28
770
200
120 120
200
132 132
Legend:
A = Central Heating Flow (22mm nut & olive)
B = Domestic Hot Water Outlet (15mm nut & olive)
C = Gas Inlet (15mm)
D = Domestic Cold Water Inlet (15mm nut & olive)
E = Central Heating Return (22mm nut & olive)
Clearances
In order to allow access to the interior of the boiler for
maintenance purposes, the boiler must be installed in
compliance with the minimum clearances indicated in Fig. 6
A = 450 mm
B = 60 mm
C = 300 mm
D = 450 mm
E = 350 mm
D
B
B
D
B
B
A
C
A
E
Fig. 5
CLAS 24/30 FF
CLAS SYSTEM 21/28 FF
Fig. 6
CLAS SYSTEM 21/28 FF

Ariston Clas System 28 FF Specifications

General

Output Power	28 kW
Fuel Type	Natural Gas
Energy Efficiency Class	A
Dimensions (H x W x D)	770 x 400 x 315 mm
Mounting	Wall Mounted
Max Working Pressure	3 bar
NOx Emissions	Class 5
Efficiency	93%
Hot Water Flow Rate	Not applicable
Electrical Supply	230V