i2o PRV Скачать руководство пользователя страница 4

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i2O

www.i2owater.com

+44 (0) 2380 111 420

Page 3



Assemble

hose

connection

hardware to the PRV, fitting the T-
piece

downstream

and

Restriction Block upstream



Select and fit the appropriate size

of fixed orifice to the Restriction
Block, based on the size of the
PRV



Prepare quick release connectors

on 6mm hoses.

Содержание PRV

Страница 1: ... Science Park Southampton SO16 7QJ United Kingdom www i2owater com info i2owater com 44 0 2380 111 420 Company registration no 98345 6784 PRV Control System Installation and Commissioning Manual Author Imran Jones Issue 1 1 Date 19 Apr 2017 ...

Страница 3: ...420 Page 2 i Hardware installation procedure Install Control Logger and APV mounting brackets Install APV mounting plate Mount Control Logger and APV to brackets in the orientation shown Note APV should be located just above PRV to allow self bleeding air ...

Страница 4: ... 3 Assemble hose connection hardware to the PRV fitting the T piece downstream and Restriction Block upstream Select and fit the appropriate size of fixed orifice to the Restriction Block based on the size of the PRV Prepare quick release connectors on 6mm hoses ...

Страница 5: ...Upstream pressure P1 GREEN Control Space Pressure Optional P3 BLUE Downstream pressure P2 A Flow B APV PILOT C USB port to connect the Laptop If required splice flow meter cable in accordance with supplied instructions Assemble Serto couplings onto 12mm hoses A Compression nut B Sleeve C Stainless steel insert D Male adapter ...

Страница 6: ...hown below 12mm black hoses should Be as short as possible Have a long smooth radius Have no kinks Be routed appropriately to reduce strain Important Note that the APV shaft moves in and out approximately 10mm in normal operation Ensure no rubbing or restriction to the black hose and do not clamp tubing ...

Страница 8: ... 18m minimum downstream pressure Rotating the APV end cap by 1 slot is equivalent to 1m water pressure in both directions Use a C spanner to adjust the APV where required Always ensure the APV is depressurized hoses disconnected when performing calibrations When end cap contact is made with the internal spring the equivalent pressure is approximately 10m ...