HWM Pegasus 2 - Page 3

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2.12.3 Explanation of Latch Solenoid activation (High and Low unreachable) ....... 27
2.12.4 Theory of operation (Continuous pressure modulation) .............................. 28
2.12.5 Theory of operation (Continuous pressure modulation + Latch) ................. 30
3 Configuration options (diagrams) .................................................................................. 36
3.1 Key to components within the diagrams ............................................................... 36
3.2 Standard installations: Continuous pressure control ........................................... 39
3.2.1 Using: internal transducers (Pressure in < 90m) ........................................... 39
3.2.2 Using: external transducers (Pressure in < 90m) .......................................... 40
3.2.3 Using: internal transducers (Pressure in > 90m) ........................................... 41
3.2.4 Using external transducers (Pressure in > 90m) ............................................ 42
3.3 Standard Installation + High Pressure Unreachable ............................................. 43
3.3.1 Using: Latch solenoid / internal transducers (Pressure in < 90m)) .............. 43
3.3.2 Using: Latch solenoid / external transducers (Pressure in > 90m) .............. 44
3.3.3 Using: Latch solenoid / internal transducers (Pressure in < 90m) ............... 45
3.3.4 Using: Latch solenoid /external transducers (Pressure in > 90m) ................ 46
3.4 (Other Installation Options) .................................................................................... 47
3.4.1 Models with additional Data Logging interfaces ............................................ 47
3.4.2 Control of two PRVs .......................................................................................... 47
3.4.3 Configuration for timed supply / cut-off of water supply ............................. 47
4 Installation procedure (Pegasus2 / standard operation) ............................................. 48
4.1 Position Control and Solenoid boxes / Link with cable. ....................................... 49
4.1.1 Antenna ............................................................................................................. 49
4.1.2 Battery ............................................................................................................... 49
4.1.3 Interconnection Cable ...................................................................................... 50
4.2 Connection to the Flow meter ................................................................................ 50
4.3 Connect External Pressure transducers to Pegasus 2 .......................................... 51
4.4 Check / modify Pegasus2 channel settings ............................................................ 51
4.5 Re-zero Pressure transducers ................................................................................ 53
4.6 Prepare the pipework for the Pegasus2 ................................................................ 55
4.7 Prepare the PRV for Pegasus Pressure transducers ............................................. 56
4.8 Connect Pegasus2 side pipework ........................................................................... 57
4.9 Connect transducers and basic control pipework on PRV side ........................... 58
4.10 Bleed air from the pipework ............................................................................... 58
4.11 Test Pressure transducers ................................................................................... 60
4.12 Preparing to fit the actuator ................................................................................ 61