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pressures listed on the table below then reassess installation pipe size or upstream regulator settings. Replace inlet test point screw.

3)Remove the operating pressure test point screw. Connect manometer tube and measure pressure with heater running on full (all burners running) and with all the other gas appliances running.

4)The heater regulator pressure has been factory set to 1.0Kpa for Natural Gas heaters and 2.30Kpa for LPG heaters. Please check that the operating pressure is exactly as listed and if not, adjust screw in centre of regulator until pressure is correct.

5)Replace operating test point screw and leak test both test points.

B

AC

D

A = Operating pressure test point

B = Pressure adjustment screw

C = Inlet pressure test point

D = Inlet gas connection.

IB Series Pressure Table

 

Gas Type

 

 

 

 

 

 

 

LPG

 

Natural

 

 

 

 

Minimum Inlet Pressure

2.5kPa

 

1.2kPa

 

 

 

 

Maximum Inlet Pressure

5.0kPa

 

5.0kPa

 

 

 

 

Operating Pressure

2.30kPa

 

1.0kPa

 

 

 

 

G8860 _4 Installation Manual NZ

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Sigma IB600, IB850, IB1100 installation manual IB Series Pressure Table Gas Type, Natural

IB1100, IB850, IB600 specifications

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