State Water Heaters SOF 70 700 G, Installation Instructions And User Manual, Page: 9 / 24

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DESCRIPTION Unit SOF 85 SOF 85 SOF 85 SOF 75 SOF 75 SOF 70
220 260 300 390 470 700
OIL DATA
Burner model [-] RG 2 RG 2 RG 3 RG 3 RG 3 RG 4S
Burner type [-] 377 T1 377 T1 393 T1 393 T1 393 T1 396 T1
Nozzle (Delavan) [-] 1.25x80W 1.5x80B 1.75x80B 2.25x80B 2.75x80B 4.0x80B
Nominal load (lower value) kW 62.8 75.4 87.9 113 138 201
Nominal power kW 52.3 63.3 73.9 95 116 168.8
Oil flow rate kg/h 5.3 6.3 7.4 9.5 11.6 16.9
Pump pressure bar 12 12 12 12 12 12
GENERAL
Contents litre 322 322 318 282 282 259
Number of anodes - 2 2 2 3 3 4
Number of fire tubes - 6 6 7 12 12 16
Cold water inlet -
ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½
Hot water outlet -
ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½ ISO-7 Rp 1½
Drain valve -
¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT
Anode -
¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT ¾ - 14 NPT
T & P connection -
1 - 11.5 NPT 1 - 11.5 NPT 1 - 11.5 NPT 1 - 11.5 NPT 1 - 11.5 NPT 1 - 11.5 NPT
Maximum working pressure bar 8 8 8 8 8 8
Weight (empty) kg 260 260 260 290 290 335
1.3.3 Technical data
The data below only apply to front-mounted burners from Riello
Oil: fuel oil, max. viscosity at 20°C: 6 mm
2 /s