Armstrong 3031S 설치 및 유지 관리 매뉴얼 - 페이지 9
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페이지 인쇄Installation
General
Installation must be carried out in accordance with these instructions, and must be conducted by designated,
qualified and competent personnel.
The installation must comply with all relevant local and state water plumbing codes.
All plumbing components are to be supplied by the installer. Failure to include these components will compromise
the product, system performance and will void the warranty.
Notes:
1. Model 320 is supplied fully performance and pressure tested.
2. Suitable connections for ease of maintenance should be used on the inlet and outlet ports. (Isolation valves
and unions.)
3. The hot and cold water inlet supply pressures must be nominally equal.
4. The inlet supply pipework must be thoroughly flushed before fitting the Model 320 valve.
5. The Model 320 can be installed in both rising supplies and falling supplies.
Installation Requirements
The use of supply strainers will reduce debris entering the Model 320. The recommended gauge for such
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strainers is 35 mesh (mesh aperture dimension = 0.5mm).
Inlet pressure tappings which allow measurement of the inlet pressures to the Model 320 under operating
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conditions are particularly recommended for in-service testing.
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Pipework must be rigidly supported to avoid any strain on the connections.
Inlet and outlet threaded joint connections should be made with PTFE thread sealing tape or liquid sealant.
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Do not use oil-based, non-setting joint compounds.
Run water for 1 minute from both hot and cold supplies to eliminate pipe debris. It is essential that supply
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pipes are thoroughly flushed through before connection to the Model 320.
Tools Required
Driling
Drill Bit
Machine
size 6 mm
Screw Driver
Pencil
Plus & Minus
9
Adjustable
Allen Keys
Spanner
3mm & 2.5mm
Safety
Glasses