•  Make sure the O-ring and the groove are clean and in good condition.

•  Remove the G 

1⁄8

 plug from the port on the fl ange, the regulator, or the valve 

with a 3 mm hex key wrench.

•  Clean the mounting surface around the port.

•  Make sure that the surface is clean and in good condition.

•  Mount the switch onto the port using the M4 x 20 mm socket head screws.

•  Make sure that the O-ring is located in the groove.

•  Tighten the screws snugly, not exceeding 22 lb-in.

•  Perform a leak test to verify that no leakage occurs around the O-ring.

•  No venting is required with the gas pressure switch. It has a built in restricting 

orifi ce.

Setpoint Calibration

  The setpoint dial of the gas pressure switch is factory calibrated with 

increasing pressure. Due to hysteresis the switch will actuate at a slightly 
lower point when the pressure decreases.

Adjusting the Setpoint

•  Disconnect all power to the switch before beginning to prevent electrical 

shock and equipment damage.

•  Remove the clear cover from the switch.
•  Adjust the setpoint to the desired operating pressure by turning the dial 

clockwise to increase the setpoint or counterclockwise to decrease it.

•  Turn dial until the white arrow on the yellow dial face is at the desired 

operating pressure. 

• Aft er adjusting the setpoint for normal operation, check to see that the 

gas pressure switch operates as intended.

•  Use an accurate pressure gauge connected upstream from the switch 

to measure the actual pressure.

•  Replace clear cover.

Automatic Reset

  The NC contact of the gas pressure switch breaks when pressure rises to 

the setpoint. It makes automatically when pressure falls below setpoint.

OPERATION

2

1

3

1

2

3

for use with natural and propane gas
for operation at DMV:-40°F to 150°F

install valves in accordance with

current CSA C22.1

canadian electrical code

U

GA

O-

A2

-4

-5

te

mp.-

40

°F

+1

40

°F

ran

ge

:2

-2

in

W.

C:

10A

 @

 1

20

Va

c

psi 

max

LIS

TE

14

Y2

Ga

op

er

at

ed

swi

tc

h

U

R

14

I

16

I

20

I

U

R

FM

M 4 x 20 mm socket cap screw

M 4 x 20 mm socket cap screw

M 4 x 20 mm socket cap screw

10.5 x 2.25 mm O-ring

10.5 x 2.25 mm O-ring

10.5 x 2.25 mm O-ring

Mounting Position Port 1

Mounting Position Port 4

Mounting Position Port 5

Mounting the Pressure Switches

Wiring Diagram

Sheet 1597-4

Page 2

Wiring

•  Disconnect all power to the pressure switch before beginning the wiring to 

prevent electrical shock and equipment damage.

•  All wiring must comply with local electrical codes,  ordinances, and regula-

tions.

•  Do not exceed the switch ratings given in the specifi cations and on the switch.

•  Remove the clear cover from the switch.

•  Route the wires through the conduit connector.

•  Connect the wiring to the appropriate screw terminals on the terminal strip.

•  These switches require a conduit seal to meet 4.1.3.2 of NFPA 86 20

11.

1597 Pressure Switch Part Numbers

(Surface Mount)

 

 Reset 

Pressure 

Switch

 Part 

No.  Conn.  Range 

Action

 R830-5568 

AUTO 

.16 - 1.2"wc 

Hi/Low Limit

 R830-5570 

AUTO 

.4 - 4"wc 

N/C Breaks

 R830-5572 

AUTO 

2 - 20"wc 

On

 

R830-5574 

AUTO 12 

-60"wc 

Rise

 

R830-5576 

AUTO 40-200"wc  SPDT 

Switch

Cop

yr

igh

t © 2020 - F

iv

es - All r

igh

ts r

eser

ved | Shee

t 1597A-4 08/13

WARNING: 

Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot 

surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot 
surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.

DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC.

IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL

.

Fives North American Combustion, Inc. 

4455 East 71st Street - Cleveland, OH 44105 - USA

www.fi vesgroup.com

CONTACT

fna.sales@fi vesgroup.com
T +1 800 626 3477 - F +1 216 373 4237

Catalog Combustion 2021 - Page 1457

Fives Group
FIVES GROUP
FIVES GROUP-FIVES GROUP-1457-1443

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Fives Group Part Numbers on this Catalog Page
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