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 J48Z and P: Commissioning Instructions

OPERATING INSTRUCTIONS

 

Ensure that this product is suitable for the chosen application. 

 

Installation, adjustment and maintenance by authorised, trained 
personnel only. 

 

When being fitted to an appliance, refer to the appliance 
manufacturers instructions. 

 

The unit should not be installed in a corrosive environment. 

 

The ambient temperature (surface temperature) should be within the 
limits stated on the regulator catalogue. 

 
 

 
 
 
 

FITTING UNIT INTO PIPEWORK (A) 

1.

 

Remove the plastic protection plugs from inlet, outlet and impulse. 

2.

 

Ensure that installation pipework is thoroughly clean. 

3.

 

The direction of gas flow must be the same as the arrow(s) on the unit 
body. 

4.

 

Install the unit into horizontal pipework with the spring housing 
pointing vertically downwards. Use a jointing compound approved to 
national standards. 

INSTALLATION OF AIR CONTROL LINE (B) 

IF REQUIRED  

1.

 

Remove the plastic protection plug. 

2.

 

Connect the air control line (Rc1/4 connection), using a jointing 
compound approved to national standards. Connection of air line will 
depend upon the specification of the overall installation. 

ADJUSTMENT OF OUTLET PRESSURE (C). 

1.

 

Small changes to the outlet pressure can be made by removing the 
cap at the base of the spring housing and turning the spring 
adjusting screw clockwise to increase pressure or anticlockwise to 
reduce the outlet pressure. 

2.

 

Replace the cap (and seal if necessary). 

Warning!

 

Incorrect installation, adjustment, modification, operation 

and maintenance may cause injury or damage. 
Read the instructions before use. This control must be installed in 
accordance with the rules in force. 

Содержание J48P

Страница 1: ...48Z and P Zero Regulator and Proportionator Commissioning Instructions General Arrangement Parts List Maintenance Instructions For J48Z Zero Regulator 2 J48P Proportionator 2 This product is discontinued ...

Страница 2: ... horizontal pipework with the spring housing pointing vertically downwards Use a jointing compound approved to national standards INSTALLATION OF AIR CONTROL LINE B IF REQUIRED 1 Remove the plastic protection plug 2 Connect the air control line Rc1 4 connection using a jointing compound approved to national standards Connection of air line will depend upon the specification of the overall installa...

Страница 3: ...3 ...

Страница 4: ...al Arrangement All sizes 24 37 19 20 21 22 23 14 35 16 31 36 13 11 18 15 Spring Adjustment Pre October 2000 For all 1 2 units and 1 units fitted with Compression Spring from October 1997 1 7 6 5 4 3 2 12 33 9 10 8 34 38 ...

Страница 5: ...5 J48Z and P General Arrangement For all 1 units fitted with Tension Spring up to September 1997 12 11 9 10 8 7 6 5 4 3 2 1 13 14 15 16 25 18 26 20 21 22 23 24 ...

Страница 6: ... 1 J4806 100 1 16 O RING SEAL JORM0051 16 Ï 1 JORM0051 16 Ï 1 18 SPRING ADJUSTING SCREW Course thread J4806 097 1 J4806 097 1 19 VALVE SPINDLE JSA440IPNZ 1 JSA440IPNZ 1 20 TOP DIAPHRAGM PLATE J4806 003 1 J4806 003 1 21 SCREW JSA410XPTZ 6 JSA410XPTZ 6 22 SECONDARY DIAPHRAGM J4806 095 Ï 1 J4806 095 Ï 1 23 IMPULSE TUBE J4706 072 J4706 072 24 O RING SEAL JORM0376 24 Ï 1 JORM0376 24 Ï 1 25 TENSION SPRI...

Страница 7: ...1 JORM0051 16 Ï 1 JORM0051 16 Ï 1 18 SPRING ADJUSTING SCREW Course thread J4806 097 1 J4806 097 1 J4806 097 1 19 VALVE SPINDLE JBA650HEXZG 1 JBA650HEXZG 1 JBA865HEXZG 1 20 TOP DIAPHRAGM PLATE J4808 003 1 J4808 003 1 J4809 003 1 21 SCREW JSA510XPTZ 6 JSA510XPTZ 6 JSA510XPTZ 8 22 SECONDARY DIAPHRAGM J4808 070 Ï 1 J4808 070 Ï 1 J4809 070 Ï 1 23 IMPULSE TUBE J4808 076 1 J4808 076 1 J4709 060 1 24 O RI...

Страница 8: ...emove O rings 16 14 from spring adjusting screw 44 and adjusting bush 43 respectively 8 Lift washer 42 from spring adjusting screw 44 and remove 9 Remove top cover screws 8 then carefully remove the top cover 10 10 Unscrew bottom plug 1 and remove from body 2 10 1 Remove O ring 24 from bottom plug 1 10 2Restrain valve spindle guide 3 with suitable box spanner and unscrew the valve spindle 19 10 3W...

Страница 9: ... 10 on to body 2 with vent facing the outlet and secure with top cover screws 8 14 Insert loading spring 17 over spring location ridge in top diaphragm plate 20 NOTE If adjusting bush assembly 35 has been dismantled follow procedure if it has been left assembled then proceed to instruction number 21 15 Slide O ring seal 16 over slotted end of spring adjusting screw 36 into second groove i e groove...

Страница 10: ...ward until disengaged from spring adjusting screw 18 and remove 8 Pull spring adjusting screw 18 from adjusting bush 15 9 With slotted end of spring adjusting screw 18 facing up turn spring holder 11 clockwise and remove 10 Remove O rings 14 16 from spring adjusting screw 18 and adjusting bush 15 respectively 11 Unscrew bottom plug 1 and remove body 2 12 Remove O ring 24 from bottom plug 1 13 Rest...

Страница 11: ...op spring holder 11 anti clockwise on to spring adjusting screw 18 with raised lettering facing away from O ring end when assembled refer to drawing for correct arrangement 15 Slide O ring 14 into O ring groove on adjusting bush 15 16 Push spring adjusting screw 18 into hole in bottom of adjusting bush 15 until both parts are firmly together 17 Position key hole slot in locking lever 13 over slott...

Страница 12: ...avons gb elster com info elster instromet com M48Z1EN03 A22 12 2009 Subject to change without prior notice All rights reserved Subject to change without prior notice All rights reserved Elster Jeavons is committed to a programme of continuous quality enhancement All equipment designed by Elster Jeavons and manufactured within the Elster Instromet Group benefits from the groups quality assurance st...

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