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Honeywell Elster Jeavons J125 User Manual

Honeywell Elster Jeavons J125
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MANUAL
Elster Jeavons J125
Service Regulator
Inlet pressures up to 8.6bar
For
J125 MKII Regulator 1 ½”, 2 & 50mm Size
M1252EN | 06/01/17
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Honeywell Elster Jeavons J125 Specifications

General IconGeneral
Connection Size1/2" to 2"
Operating Temperature-20°C to +60°C
Communication ProtocolModbus RTU
Weight2.5kg
Humidity95% RH non condensing
Power Consumption5 W

Summary

Commissioning Instructions

Fitting Regulator into Pipework

Instructions for installing the regulator into pipework.

Installation of Vent Line

Steps for connecting the vent line to the regulator.

Installation of Impulse Line

Steps for connecting the impulse line to the regulator.

For Pre-Set Units Only

Specific instructions for pre-set units.

Setting Regulator and Safety Shut-off Pressures

Instructions for setting regulator and safety shut-off pressures.

Adjusting Regulator Outlet Pressure

Adjusting regulator outlet pressure by changing the spring.

Adjusting Trip-Off Pressures

Adjusting trip-off pressures for OPSS/UPSS by changing springs.

General Arrangement

Parts List

Spring Tables

Maintenance Instructions - Regulator Body

Regulator Dismantling Procedure

Steps for dismantling the regulator body.

Regulator Rebuilding Procedure

Steps for rebuilding the regulator body.

Maintenance Instructions - Diaphragm Case

Diaphragm Case Dismantling Procedure

Steps for dismantling the diaphragm case.

Diaphragm Case Rebuilding Procedure

Steps for rebuilding the diaphragm case.

Maintenance Instructions - Safety Shut Off Units

Safety Shut-off Dismantling Procedures

Steps for dismantling safety shut-off units.

Safety Shut-off Rebuilding Procedures

Steps for rebuilding safety shut-off units.

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