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Installation Information

Gas Pressure Switches

Specifications

Antunes Controls Gas Pressure switches monitor gas 

pressure. The models are available in high pressure and 

low pressure single gas switches. Pressure range varies 

from 1 PSI to 15 PSI.

Each switch is adjustable within its range, as shown on 

the range scale on the front. The latch position in the reset 

type models, and level indicator position in the recycle type 

models show whether the switch is on or off.

Model-H

Model - HGP-H

GHI 1010803H23   01/04

R

L

R

L

R

L

Please read this instruction sheet carefully to assure 
correct installation. This equipment must be installed 
only by a licensed electrician who is experienced 
with combustion safeguard control systems and 
understands the functions of an interlocking switch 
such as gas pressure switches. Prior to being put 
into operation in conjunction with the combustion 
safeguard systems, all switches should be tested 
for proper range setting and proper wiring. Check 
piping connections and switch housing for leaks 
with a soap bubble test. All exhaust fans and 
blowers should be inspected and checked for 
proper rotation prior to starting up. If you have any 
problems or questions, phone, fax, email or write to 
the manufacturer, Antunes Controls.

Summary of Contents for H

Page 1: ...ead this instruction sheet carefully to assure correct installation This equipment must be installed only by a licensed electrician who is experienced with combustion safeguard control systems and understands the functions of an interlocking switch such as gas pressure switches Prior to being put into operation in conjunction with the combustion safeguard systems all switches should be tested for ...

Page 2: ...s break the electrical circuit on pressure drop at the point when gas pressure becomes lower than the indicated set pressure Before the manual reset latch can be properly latched gas pressure in the chamber must be higher than the indicated setting The position of the reset latch on the top cover of the switch shows whether the reset latch is in the on or off position Reset latch must be in on pos...

Page 3: ...Surge Pressure 35 PSIG Indicator Off Model RLGP H NC NO C By Others Contacts C NO make when pressure rises above setting Recycle LGP H Duty Low Gas Reset Switch Elec Rating 10A 1 8HP 125 VAC 5A 1 4HP 250 VAC Pilot Duty 125VA 125 250 VAC Field wiring to be rated 75ºC for max 120ºF Ambient Field wiring to be rated 90ºC for max 140ºF Ambient Max Surge Pressure 35 PSIG Indicator Off Electrical Informa...

Page 4: ...tion and at manufacturers expense but shall not include foreign or federal excise taxes state or municipal sale or use taxes all such taxes not limited to the foregoing being responsibility of the purchaser 3 No charge for travel and or mileage will be allowed to purchaser 4 Antunes Controls reserves the right to make changes in design or make any improvements on any products The right is always r...

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