Yokogawa PH97 User Manual
Instruction
•
Installation
•
Calibration
•
Operation
•
Maintenance
KEY
FEATURES
Instruction
Manual
Manual
Model PH87
Retraction Sensor Assembly
Yokogawa Corporation of America
2 Dart Road, Newnan, Georgia U.S.A. 30265
Tel: 1-800-258-2552 Fax: 1-770-254-0928
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Doc. Nr. L2528
January 2012
3rd edition
2
TABLE OF CONTENTS
Overview ....................................................................................................................................... 3
Assembly Instructions-Stage #1 .................................................................................................. 4
Assembly Installation Instructions- with /B ball valve option ......................................................................8
In-Service Installation-with /B ball valve option ................................................................................ 10
Sensor Service ........................................................................................................................................... 11
Sensor Replacement .................................................................................................................................. 14
Exploded View of PH87 ............................................................................................................................. 16
Part Numbers and Descriptions ................................................................................................................. 17
PH87 Dimensions and Clearance Requirements .............................................................................. 18
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Sensor Installation Overview
Shown with Optional Ball valve
NOTE: THE FOLLOWING INFORMATION IS INTENDED TO PROVIDE THE USER WITH A PREVIEW
OF WHAT WILL BE REQUIRED TO INSTALL THE MODEL PH87 SENSOR ASSEMBLY. PLEASE
REVIEW THE DIAGRAM AND GUIDELINES BEFORE PROCEEDING.
Typical Sensor Installation Diagram
Shown with Optional /B Ball Valve
3
Sensor Installation Guidelines:
ASSEMBLY
pH/ORP SENSOR
[1]. Install the model PH97 sensor in pipe or vessel between 15° and 90° from horizontal.
[2]. Connect ex conduit with adequate service loop to junction box.
[3]. Connect the sensor cable to the terminals inside the junction box.
[4]. Keep cable run between junction box and pH / ORP instrument as short as possible.
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4
8
Model PH87 Retraction Sensor Assembly
Sensor Assembly Instructions-Stage1
BEGIN STAGE #1 ASSEMBLY OF THE MODEL PH87 BY FOLLOWING THE STEP-BY-STEP
INSTRUCTIONS [A] THROUGH [F] IN ORDER AS SHOWN BELOW:
[STEP B]. SLIDE
PACKING GLAND, ITEM NO.3, ONTO
SHEATH, ITEM NO.4. KEEP LOCKING
NUT AND FERRULES LOOSE BUT
ATTACHED TO PACKING GLAND
[STEP A]. INSTALL
PACKING GLAND O-RING, ITEM NO.
3d, INTO PACKING GLAND BODY,
ITEM NO. 3c.
[STEP F]. THREAD SENSOR
CABLE THROUGH COUPLER
TUBE, ITEM NO. 1, THEN SLIDE
COUPLER TUBE INTO SHEATH
UNTIL IT CONTACTS SENSOR.
[STEP D]. THREAD SENSOR
CABLE THROUGH SHEATH
AND SLIDE THE SENSOR
INTO SHEATH UNTIL IT STOPS
AGAINST FLARED END
FLARED END
OF SHEATH
[STEP C]. STRETCH O-RINGS,
ITEM NO. 2, INTO GROOVES
ON SENSOR
PLEASE NOTE
REFER TO PAGES 16 AND 17 OF THE
SENSOR ASSEMBLY AND ITEMIZED PART
LIST FOR ALL THESE COMPONENTS
REFER TO PAGES 15 AND 16 OF THE
SENSOR ASSEMBLY AND ITEMIZED PART
LIST FOR ALL THESE COMPONENTS.
[STEP E]. STRETCH O-RING,
ITEM NO. 1a, INTO GROOVE ON
COUPLER TUBE, ITEM NO. 1.
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Sensor Assembly Instructions-Stage1 (Continued)
(Continued)
5
[STEP G]. THREAD SENSOR
CABLE THROUGH COUPLER
TUBE, ITEM NO. 1, THEN SLIDE
COUPLER TUBE INTO SHEATH
UNTIL IT CONTACTS SENSOR.
THE COUPLER TUBE AND
SENSOR SHOULD BE
THREADED TOGETHER UNTIL
BOTH ARE SEATED AGAINST
THE ENDS OF THE SHEATH,
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6
Sensor Assembly Instructions—Stage1
(Continued)
Model PH87 Retraction Sensor Assembly
Sensor Assembly Instructions-Stage1 (Continued)
[STEP H]. REMOVE JUNCTION BOX
COVER AND THERAD SENSOR CABLE
[Step H]. REMOVE
THROUGH JUNCTION BOX ASSEMBLY
JUNCTION BOX COVER AND
(JUNCTION BOX AND PROVIDED
THERAD SENSOR CABLE THROUGH
PIPE NIPPLE). THREAD JUNCTION
JUNCTION BOX ASSEMBLY
BOX ASSEMBLY PIPE NIPPLE INTO
(JUNCTION BOX AND PROVIDED
SENSOR COUPLER ASSEMBLY,
PIPE NIPPLE). THREAD JUNCTION
ITEM NO. 1.INSTALL SUITABLE FLEX
BOX ASSEMBLY PIPE NIPPLE INTO
CONDUIT LONG ENOUGH TO ALLOW
SENSOR COUPLER ASSEMBLY,
FOR SERVICING OR REPLACEMENT
ITEM NO. 1.INSTALL SUITABLE FLEX
OF SENSOR.
CONDUIT LONG ENOUGH TO ALLOW
FOR SERVICING OR REPLACEMENT
OF SENSOR.
[STEP I]. CONNECT THE SENSOR
WIRES TO THE 5-TERMINAL STRIP IN
[Step I]. CONNECT THE SENSOR
THE JUNCTION BOX IN THE
WIRES TO THE 5-TERMINAL STRIP IN
FOLLOWING ORDER. THE RED TC WIRE
THE JUNCTION BOX IN THE FOL-
CONNECTS TO TERMINAL #1 AND
LOWING ORDER. THE RED TC WIRE
THE BLACK TC WIRE TO TERMINAL
CONNECTS TO TERMINAL #1 AND
#2. CONNECT THE SENSOR
THE BLACK TC WIRE TO TERMINAL
REFERENCE (BLACK) TO #3,
#2. CONNECT THE SENSOR REFER-
THE SOLUTION GROUND (GREEN)
ENCE (BLACK) TO #3, THE SOLUTION
TO TERMINAL #4 AND PH (CLEAR) TO
GROUND (GREEN) TO TERMINAL #4
TERMINAL #5. THREAD THE EXTENSION
AND pH (CLEAR) TO TERMINAL #5.
CABLE THROUGH CONDUIT. ATTACH
THREAD THE EXTENSION CABLE
THE LABELED WIRES TO THE
THROUGH CONDUIT. ATTACH THE
TERMINALS IN THE SAME ORDER AS
LABELED WIRES TO THE TERMINALS
THE SENSOR WIRES LISTED ABOVE.
IN THE SAME ORDER AS THE SEN-
SOR WIRES LISTED ABOVE. SLIDE-
REPLACE THE JUNCTION BOX COVER.
THE PROTECTIVE INSULTING BOOT
OVER CONNECTORS AND REPLACE
THE JUNCTION BOX COVER.
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