A.R.I. D-040 L ARISENSE Installation Operation & Maintenance page 4

4 IOM D-040 L ARISENSE
Installation
1. Install the product according to the detailed Installation Instructions provided with it by A.R.I. and according to
the description given in this manual.
2. The user should install a manual Isolation Valve under the product's inlet port.
3. In all installation sites the user should enable good visibility and verify that the work and auxiliary equipment
used are done in accordance with the relevant local authorized standards. Extra safety considerations should be
taken on hazardous environment sites.
4. Check and re-tighten the bolts connecting the product to the pipeline during commissioning and before
operating the product for the first time.
Commissioning and operation
1. Read carefully the operation instructions prior to any attempt to operate the product.
2. Observe the safety stickers on the product and never perform any operation contradicting the instructions given.
3. In order to achieve maximum performance and smooth operation of the product it is crucial to perform the
startup and first operation procedures exactly as described in this manual.
4. In cases where formal commissioning procedure is required it should be done by an authorized A.R.I. technician
prior to the first operation of the product.
Maintenance
Before any maintenance or non regular operation please read the following:
1. Servicing the product should be done only by qualified technicians for this type of work.
2. Make sure that you know the exact type of the system's fluid. Act accordingly and comply with all the relevant
standards and regulations set for handling this type of fluid.
3. Before disconnecting the product from the system and before releasing the residual pressure do NOT:
o loosen or unscrew the product bolts;
o remove any protection cover;
o open any service port.
4. Before any maintenance or non regular operation shut off the Isolation valve and release the residual pressure:
A. For air valves with pressure release outlet, slowly open the pressure release plug or the ball valve and
make sure that all pressure is released. Please note that some air release valves, especially the waste water
models, may contain significant volume of compressed gas with accumulated energy!
B. For air valves without a pressure release outlet, slowly unscrew the flange bolts until all the pressure is
released from the valve.
5. Make sure the air valve is empty of all liquid prior to commencing maintenance.
6. Remove the product from the line only after ensuring that internal pressure has been released.
7. Place warning signs around the work area as required by the local standards and procedures.
8. Inspect the product's safety stickers and replace any damaged or faded sticker.
9. Manual cleaning of the product and/or its components using high water pressure or steam should be performed
in accordance with its specific cleaning instructions, the local standards and regulations and without endangering
the operator or the vicinity
10. Manual cleaning of product and/or its components using acid or other chemical agents should be performed in
accordance with the specific cleaning instructions, the relevant safety instructions for using that chemical as
given by its supplier, the local standards and regulations and without endangering the operator or his vicinity.
For products used in potable water systems if it is required to disinfect the product, do so according to the local
11.
water authority standards and regulations before putting the product into service.