RSI Pag. 15 REV. 05 04/08
UK
Features table for model RSI –250
Model RSI 1250 2250 3250 4250
1250ED 2250ED 3250ED 4250ED
Dimensions P 400 770 1140 1510
(mm)
P1 --- --- --- 765
B 82.5 82.5 82.5 82.5
C 550 550 550 550
D 483 483 483 483
E 461 461 461 461
H 241 241 241 241
Coil connections inlet 12 x1 mm 12 x1 mm 12 x1 mm 12 x1 mm
outlet 16 x1 mm 16 x1 mm 22 x1 mm 22 x1 mm
Drain connection Ø 20mm Ø 20mm Ø 33mm Ø 33mm
Weight Without ED 9.0 17.0 20.5 26.0
(kg) With. ED 9.5 18.0 22.0 28.0
Features table for model RSI –350
Model
RSI
23503
23503ED
23507
23507ED
33503
33503ED
33507
33507ED
43503
43503ED
43507
43507ED
P 1070 1520 1970
P1 --- 510 985
Dimensions
(mm)
B 115 115 115
C 820 820 820
D 753 753 753
E 726 726 726
H 287 287 287
inlet 12 x1 mm – 1/2” SAE 12 x1mm – 1/2” SAE 12 x1mm – 1/2” SAE
Coil connections
outlet 22 x 1 mm 28 x 1.5mm 28 x 1.5mm
Drain connection Ø 33mm Ø 33mm Ø 33mm
Weight Without ED 35.9 34.9 49.5 48.0 60.2 58.2
(kg) With. ED 38.4 37.4 53.0 51.5 64.7 62.7
Serial number designation :
• number 1 and 2 = last two numbers of the manufacturing year
• number 3 and 4 = week of the year when the unit was manufactured
• numbers 5,6,7and 8 = progressive number
4.
INSTALLATION (general notes)
Installation must be carried out by qualified personnel having the necessary technical requirements
asked for by the country where the machine is to be installed.
For moving the machine use safety anti-cut gloves and suitable hoisting device.
Check that the structure where the RSI is going to be fixed is suitable to its weight .
Do not convey the motor fan air in order not to increase load losses.
Particular operating conditions such as cold rooms having too small height, excessive loading ,
obstacles to the air flow, may have an influence to the stated performances .
4. 1
Thermostatic valve mounting (not supplied)
The thermostatic valve is to be properly sized and will have to be installed with external balance.
Open the machine as illustrated in Fig. 8, loosening the screws A and unscrewing the fastening
screws B.
Connect the thermostatic valve outlet to the distributor, as illustrated in Fig. 3, point A (*).
Fit the external equaliser pipe, which must be welded to the thermostatic valve and close to the
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