Advertisement
Quick Links
Advertisement
Related Manuals for Grundfos CM Smart
Summary of Contents for Grundfos CM Smart
- Page 1 GRU N DFOS INSTRUCTIONS CM SMART Installation and Operating Instructions...
- Page 2 6 - 8 9 - 13 14 - 15...
- Page 3 SMART...
- Page 5 PRESSURE TANK PRE-CHARGE: The Pressure tank pre-charge is pre-set. On site adjustment should be made with power off and delivery line open so that there is no pressure on the system. The pressure tank pre-charge should be 10% below cut in pressure.
- Page 6 Pressure Manager The Pressure Manager must be fitted on the 14 & 15 The Pressure Manager is a pressure regulator with Pressure Manager to the piping system by meas terminal box of the Pressure Manager shows the control panel on the Pressure Manager Control panel Pos.
- Page 7 Pressure Manager Functions Auto-reset When the auto-reset function is enabled, cycling and dry-running alarms will be automatically reset. To enable the function, set DIP switch 6 to "ON". The auto-reset function should NOT be enabled on pumps which cannot self- Caution prime when water returns after dry-running.
- Page 8 Pressure Manager OFF/ON DIP switches 1.5 BAR 1 +0.5 The PM 2 has a number of settings which can be +1.0 START +1.0 made with the DIP switche behind the control panel. +1.0 +1.0 See fig. 6. STOP = START + 1 STOP = START + 1 BAR AUTO RESET ANTI CYCLING...
- Page 9 Warning Before starting work on the pump, make sure that the power supply to the pump has been switched off and that it cannot be accidentally switched on. Fault Checks (Possible causes) Remedy The pump does Supply failure. Switch on the switch. not run.
- Page 10 Fault Checks (Possible causes) Remedy 4. The pump a) Pump inlet pressure too Check the inlet conditions of the performance is low. pump. unstable. b) Suction pipe is partly Remove and clean the suction pipe. blocked by impurities. Leakage in suction pipe. Remove and repair the suction pipe.
- Page 11 Fault Checks (Possible causes) Remedy 8. The green light a) The fuses in the electric Replace the fuses. If the new fuses also field for "0 bar" installation have blown. blow, check the electric installation. is off even if b) The earth leakage circuit Cut in the circuit breaker.
- Page 12 Fault Checks (Possible causes) Remedy 13. The pump does a) The pump cannot deliver the Replace the pump. not stop. necessary discharge pressure. b) The start pressure is set too Decrease the start pressure. high. Repair or replace the PM unit. c) The PM unit is defective.
- Page 13 Fault Checks (Possible causes) Remedy 17. The red a) Maximum continuous Check the system for leakages. "Alarm" operating time (30minutes). Disable the function to allow the pump indicator light The pump has been running to run for 30 minutes. See section 8.3 flashes twice continuously for 30minutes.
- Page 20 Cert No.: KLR 0402930 Website : www.grundfos.com Toll Free No. : 1800 88 PUMP (7867)