Hamworthy Weymouth Series Installation, Commissioning And Servicing Instructions
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Contents
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HAMWORTHY HEATING LTD1WEYMOUTH 500001112/C1.0 INTRODUCTIONThe pressurisation units in the Hamworthy Weymouth range are designed to maintain the minimum pressurerequirement of modern low/medium temperature, hot water sealed systems. The pressurisation units also providereplacement water for losses from the systems.Note! The pressurisation unit is not to be used for the initial filling of the system.The Weymouth units are housed in a powder coated steel cabinet with removable cover. Housed in the cabinet isa pump, connecting pipe-work and pressure switches. In the top of the cabinet is the header tank, with a floatvalve. In the front of the cabinet is the systems pressure indication gauge.The range has 2 models:-1) The Standard with the following features: 2) The Advanced withPump control pressure switch All the features of the standard plus:Non-return valve High/Low pressure switches0 – 6 bar system pressure gauge Isolating Valve (between tank and pump)2.0 TECHNICAL DATAThe basic overall dimensions of both units are shown in below Figure 1, complete dimensions are shown in Figure9 on sheet 7.All screw threads used in the Weymouth units conform to ISO 7/1 or ISO 228/1 for pipe threads where applicable& ISO 262 for all general screw threads.Performance and General Data is shown in Figure 2 (overleaf).Figure 1 - Basic Overall DimensionsSTANDARD MODELADVANCED MODEL |
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