Xylem Bell & Gossett Ecocirc+ 20-18, Installation, Operation And Maintenance Manual

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8 Technical Specification
8.1 Environmental requirements
Feature Value
Operating environment Non-aggressive, nonexplosive atmosphere, and no
frost
Operating temperature -10°C to 40°C (14°F to 104°F)
Relative humidity < 95% at 40°C (104°F), non-condensing
8.2 Torque specification
Joint size Pipe material Torque, Nm (lbf.ft)
G1 Plastic 50 (37)
G1 Cast iron 85 (63)
G1¼ Cast iron 105 (78)
G1½ Cast iron 125 (92)
G2 Cast iron 165 (122)
8.3 Minimum suction pressure
Pressure, MPa (psi) Head, m (ft) Temperature, °C (°F)
0.005 (0.725) 0.5 (1.6) 50 (122)
0.03 (4.35) 3 (10) 95 (203)
0.1 (14.5) 10 (33) 110 (230)
8.4 Electrical data
Feature Description
Power supply voltage 115 V ±10%, 50/60 Hz
Insulation class 155 F
Degree of protection IP44
8.4.1 I/O device
Device Description
Temperature sensor 1 kilohm at 25°C (77°F)
8.5 Pumped liquid
Feature Description
Temperature -10°C to 110°C (14°F to 230°F)
Concentration of glycol mixture ≤50%
8 Technical Specification
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