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Delta Controls GR2, Инструкция по установке, эксплуатации и обслуживанию

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www.delta-controls.com 

IOM-GR-A : AUGUST 2016 

 

DIMENSIONS

 

Enclosures Styles 

 

Sensors 

 

4.

37

 

11

1.

0

 

 

 

 

 

 

 

'A'

 A

PPR

O

X

 

 

 

 

 

FLYING LEADS CODE ‘A’ 

½” NPT 

GROUND 

SCREW ‘H’ 

OR ‘R’ 

MOUNTING 

HOLES FOR 

M5 SCREWS 

VENTING DEVICE 

(WHEN FITTED) ‘H’ 

OR ‘R’ 

PROCESS 

CONNECTOR 

UNITS 

DIM 

‘A’ 

½”NPT MALE 

INCHES 

1.85 

MM 

47 

OTHERS 

INCHES 

1.46 

MM 

37 

 

 

   

  

  

  

   

   

   

  

 

JUNCTION BOX 
CODES ‘C’ & ‘D’ 

4 MOUNTING 
HOLES 4.5 
mm DIA 
SUITABLE 
FOR M4 
SCREWS 
MAX HEAD 
DIA 7.5 mm 

CONDUIT ENTRY 
M20 x 1.5 

20
 

0.7

9

 

15

.0

 

0.5

9

 

45

.0

 

1.7

7

 

17

1.0

 

6.7

3

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

  

Содержание GR2

Страница 1: ... the control spring the diaphragm moves causing a push rod to actuate a snap acting micros witch Temperature model GR7 works in the same way as the Pressure models with the exception that the applied pressure comes from the expansion of a vapour enclosed in either a rigid stem or semi rigid thermal system CERTIFICATIONS Intrinsically Safe Models Intrinsically safe models carry the following label ...

Страница 2: ...All models The instruments are designed to be mounted vertically with the process connection underneath However mounting up to 45 from the vertical in any plane is acceptable although a small calibration shift may occur They can be mounted either direct to process or to a wall or panel using the back plate provided Select the mounting point so as to avoid stresses excessive shock vibration or temp...

Страница 3: ...FORE WIRING DO NOT EXCEED ELECTRICAL RATINGS STATED IN LITERATURE AND ON NAME PLATES THE LEADS ARE FACTORY SEALED SO IT IS UNNECESSARY TO SEAL THE CON DUIT TO THE CONDUIT NIPPLE HOWEV ER THE LEADS MUST BE SUITABLY PROTECTED AGAINST MECHANICAL DAMAGE AND TERMINATED IN A SUITA BLE JUNCTION BOX OR TERMINAL FA CILITY IN ACCORDANCE WITH LOCAL AND NATIONAL CODES EACH CON DUCTOR IS PROVIDED WITH AN IDENT...

Страница 4: ...s See Fig 5 1 Isolate the instrument from process and power Adjustment may be carried out with the unit live 2 Loosen both cover screws 3 Rotate cover anti clockwise to allow access 4 Using a screwdriver rotate the range adjuster to obtain the desire setting Turn right to left to increase the setting An appropriate setting is shown by pointer against reference scale 5 Rotate cover clockwise to clo...

Страница 5: ...e not fouled or chafed Check for internal condensation Rectify as necessary It is recommended that instruments used to provide an alarm are operated periodically to ensure they are functioning correctly If further maintenance is required seek advice from DELTA CONTROLS before attempting repair or replacement of parts Should the diaphragm fail the process will vent to atmosphere via a control orifi...

Страница 6: ...PT GROUND SCREW H OR R MOUNTING HOLES FOR M5 SCREWS VENTING DEVICE WHEN FITTED H OR R PROCESS CONNECTOR UNITS DIM A NPT MALE INCHES 1 85 MM 47 OTHERS INCHES 1 46 MM 37 JUNCTION BOX CODES C D 4 MOUNTING HOLES 4 5 mm DIA SUITABLE FOR M4 SCREWS MAX HEAD DIA 7 5 mm CONDUIT ENTRY M20 x 1 5 20 0 79 15 0 0 59 45 0 1 77 171 0 6 73 ...

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