Grundfos 15/60 Selectric 130 Bare Central Heating Pump

UPS 15 - 60 PERFORMANCE RANGE The performance range covers heating systems up to 120,000 BTU's/hr with flowrates up to 1.1 litres/sec and, frictional resistance up to 60 kPa. MAXIMUM OPERATING TEMPERATURES System Water Temp°C 110 105 100 90 80 Ambient Temperature°C 50 55 60 70 80 Water Temperature Range: +15°C to 110°C. To avoid condensation in the motor windings the pumped liquid temperature must always be higher than the ambient temperature. Pressures up to 10 Bar (145 psig). Maximum ambient temperature 80°C. CONNECTIONS The UPS 15-60 130mm can be fitted with 22mm Copper Tails; 1" BSP Unions and, 22mm valves (not supplied). ELECTRICAL SUPPLY Standard electrical supply is 240V 1Ph 50Hz. INSTALLATION It is preferable to install Grundfos circulators in a vertical pipe pumping upwards. This position ensures that the pump shaft is horizontal, which reduces the thrust bearing load and ensures positive air purging from both the rotor chamber and impeller housing. Pumping downwards in a vertical pipe is not recommended as this may lead to air locking of the pump, with resultant loss of performance. However, pumping downwards is acceptable provided an effective air vent is incorporated in the system, before the pump.