Antunes RHLGP-A Installation Manual
A. J. ANTUNES & CO. www.ajantunes.com 180 Kehoe Blvd., Carol Stream, Illinois 60188
Model A Installation Information
IMPORTANT
Please read these instructions 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 interlocking switches, 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 house for leaks with a soap bubble test. All
exhaust fans and blowers should be inspected and
checked for proper rotation prior to starting up.
Model A Switches
You are installing one of the finest switches of its type
on the market. The Model A is adjustable within its range
as shown on the range scale located on the front of the
unit. The latch position in the reset models and the level
indicator position in the recycle models show whether the
switch is on or off.
Specifications
Electrical Ratings: 10A, 1/8 HP @ 125 VAC; 5A, 1/4 HP
@ 250 VAC; Pilot Duty, 125 VA @ 125-250 VAC
Max. Surge Pressure: 10 PSI
Max. Ambient Operating Temperature: 140°F (60°C)
Min. Ambient Operating Temperature: -40°F (-40°C)
Shipping Weight: HGP-A, LGP-A, RHGP-A, RLGP-A:
2 lbs. (.9 kg)
HLGP-A, RHLGP-A: 4 lbs. (1.8 kg)
Options:
Panel Mount
Dust Proof
Dimensions
FRONT
4 1/16”
(103 mm)
SIDE
High Low Gas Pressure Switch
FRONT
4 1/4”
(108 mm)
SIDE
3/8” NPT
High Pressure
Inlet
Single Gas Pressure Switch
4 1/16”
(103 mm) dia.
4 1/16”
(103 mm) dia.
5 5/8”
(143 mm)
5 3/8”
(136 mm)
Gas Inlet 1/4” NPT
Vent 1/8” NPT
NOTE: Dimensions
are for reference only.
Low Pressure
NOTE: Dimensions
are for reference only.
1/8” NPT
Gas Vent
1/8” NPT
Gas Vent
Range Available
High Gas Pressure Low Gas Pressure
2 - 16” W.C. 50-400 mm 1-6” W.C. 25-150 mm
5 - 28” W.C. 125-700 mm 1-35” W.C. 25-875 mm
10 - 50” W.C. 250-1250 mm 2-14” W.C. 50-350 mm
2-20” W.C. 50-500 mm
6-24” W.C. 150-600 mm
10-50” W.C. 250-1250 mm
1-630-784-1000 Fax: 630-784-1651 Page 1 of 4 P/N 1011087 06/10
1-800-253-2991
A. J. ANTUNES & CO. www.ajantunes.com 180 Kehoe Blvd., Carol Stream, Illinois 60188
Model A Installation Information
Electrical Wiring-Combination Models
Model: HLGP-A
Duty: High Low Gas Reset Switch
Reset
HLGP-A
Reset
RHLGP-A
Elec. Rating: 10A, 1/8 HP, 125 VAC
Pilot Duty: 125 VA, 125-250 VAC
High Gas
NO
NC
NO
Low Gas
Field wiring to be rated @75ºC for max 120ºF Ambient
Field wiring to be rated @90ºC for max 140ºF Ambient
Max Surge Pressure: 10 PSIG
Model: RHLGP-A
Duty: High Low Gas Reset Switch
Elec. Rating: 10A, 1/8 HP, 125 VAC
Pilot Duty: 125 VA, 125-250 VAC
High Gas
NO
NC
NO
Low Gas
Field wiring to be rated @75ºC for max 120ºF Ambient
Field wiring to be rated @90ºC for max 140ºF Ambient
Max Surge Pressure: 10 PSIG
5A, 1/4 HP, 250 VAC
C
By Others
Indicator On
Indicator Off
C
By Others
5A, 1/4 HP, 250 VAC
C
By Others
Indicator On
Indicator Off
C
By Others
Reset lever will latch
when gas pressure is
below setting
Reset lever will latch
when gas pressure is
above setting
Contacts C & NC
break when pressure
rises above setting
Contacts C & NO
make when pressure
rises above setting
Electrical Wiring-Single Models
Model: HGP-A
Duty: High Gas Reset Switch
Reset
HGP-A
Reset
LGP-A
Recycle
RHGP-A
Elec. Rating: 10A, 1/8 HP, 125 VAC
Pilot Duty: 125 VA, 125-250 VAC
NC
NO
Field wiring to be rated @75ºC for max 120ºF Ambient
Field wiring to be rated @90ºC for max 140ºF Ambient
Max Surge Pressure: 10 PSIG
Model: LGP-A
Duty: Low Gas Reset Switch
Elec. Rating: 10A, 1/8 HP, 125 VAC
Pilot Duty: 125 VA, 125-250 VAC
NC
NO
Field wiring to be rated @75ºC for max 120ºF Ambient
Field wiring to be rated @90ºC for max 140ºF Ambient
Max Surge Pressure: 10 PSIG
Model: RHGP-A
Duty: High Gas Recycle Switch
Elec. Rating: 10A, 1/8 HP, 125 VAC
Pilot Duty: 125 VA, 125-250 VAC
NC
NO
Field wiring to be rated @75ºC for max 120ºF Ambient
Field wiring to be rated @90ºC for max 140ºF Ambient
Max Surge Pressure: 10 PSIG
5A, 1/4 HP, 250 VAC
C
By Others
Indicator On
5A, 1/4 HP, 250 VAC
C
By Others
Indicator Off
5A, 1/4 HP, 250 VAC
C
By Others
Indicator On
Reset lever will latch
when gas pressure is
below setting contact
C & NC make
Reset lever will latch
when gas pressure is
above setting contact
C & NO make
Contacts C & NC
break when pressure
rises above setting
Model: RLGP-H
Duty: Low Gas Recycle Switch
Recycle
RLGP-A
Elec. Rating: 10A: 1/8 HP, 125 VAC
Pilot Duty: 125 VA, 125-250 VAC
NC
NO
5A, 1/4 HP, 250 VAC
C
By Others
Contacts C & NO
make when pressure
rises above setting
Indicator Off
Field wiring to be rated @75ºC for max 120ºF Ambient
Field wiring to be rated @90ºC for max 140ºF Ambient
Max Surge Pressure: 10 PSIG
1-630-784-1000 Fax: 630-784-1651 Page 2 of 4 P/N 1011087 06/10
1-800-253-2991
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