Omega 1630 User guide

SERIES 1630 | LARGE DIAPHRAGM PRESSURE SWITCHES

®

FEATURES/BENEFITS

•Visiblesetpointindicatorsimpliesoperationandtroubleshooting

•Largediaphragmprovideslowrangeaccuracyprovidingprecisecontrol

•Currentloadsofupto15ampssupportsmostsmallelectricalloads

 supportingabroaderrangeofHVACandProcessapplicationswithoutthe
 needforadditionalrelaysandcomponents

APPLICATIONS

• Damper positioning

• Duct air control

• Air conditioning

• Industrial service

DESCRIPTION

On the Series 1630 our highest precision conventional large diaphragm pressure switch
provides maximum dependability. In addition, it incorporates a visible set point indicator
for maximum convenience. UL and CSA listed, FM approved for general service. Electrical
capability of 15 amps handles most small electrical loads. For use only with air or compatible
gases.

SPECIFICATIONS

Service Air and non-combustible, compatible gases.

Wetted Materials Consult factory.

TemperatureLimits -30 to 110°F (-34.4 to 43.3°C).

PressureLimits 10 psig (68.95 kPa) continuous, 25 psig (172.4 kPa) surge.

SwitchType SPDT.

Repeatability ±1%.

ElectricalRating 15 A @ 120 to 480 VAC, 60 Hz. Resistive, 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC, 60 Hz.

Electrical Connections 3 screw type, common, normally open and normally closed.

ProcessConnections 1/8˝ female NPT.

MountingOrientation Diaphragm in vertical position. Consult factory for other position orientations.
SetPointAdjustment Screw type with enclosed scale.

Weight 3 lb 3 oz (1.50 kg).

AgencyApprovals CSA, FM, UL.

dwyer-inst.com

DWYER INSTRUMENTS, INC.

T: 219-879-8000 | F: 219-872-9057 | [email protected]
800-872-9141

®

Ø9/32 [7.14]

DIMENSIONS

MOUNTING

HOLE TYP 4

4

3 [76.20]

[101.60]

1/2 [12.70] TYP

2 [50.80] TYP

3/4 [19.05]

3 [76.20]

PLACES

TYP

[149.23]

[165.10]

5-7/8

6-1/2

1-1/4

[31.75]

3-3/32
[78.58]

SCREW TYPE ELECTRICAL
TERMINAL TYPE 3 PLACES

2-1/4 [57.15] CLEARANCE
FOR COVER REMOVAL

HOWTOORDER

Use the bold characters from the chart below to construct a product code.

1635 -0 -AT

SERIES

1635: Pressure switch
1638: Pressure switch with conduit
1639: Pressure switch without conduit

RANGE

-0: 0.05 to 0.25 in w.c.

-1: 0.20 to 1.0 in w.c.

-2: 1.0 to 3.0 in w.c.

-5: 2.0 to 6.0 in w.c.

-10: 3.0 to 12.0 in w.c.

CONDUIT CONNECTION

HIGH PRESSURE CONNECTION

Ø7/8 [22.23]

1/8 FEMALE NPT

Ø7-3/4

[196.85]

22.5°

3-39/64

[91.68]

R 4-5/16
[109.54]
TYP 2
PLACES

1/8 FEMALE
NPT LOW
PRESSURE
CONNECTION

OPTIONS

-AT: Aluminum tag

-BGAP: B-gap micro switch

-GOLD: Gold contact switch

-LC: Less conduit

-MIL: MIL switch

-PRESET: Preset

-ST: Stainless steel tag

-WP: Weatherproof housing

ACCESSORIES

Model Description
A-489
A-302F-A

Important Notice: Dwyer Instruments, Inc. reserves the right to make changes to or discontinue any product or service identied in this publication without notice. Dwyer advises its customers to obtain the

latest version of the relevant information to verify, before placing any orders, that the information being relied upon is current.

4˝ straight static pressure tip with ange
303 SS static pressure tip with mounting ange

DWYER INSTRUMENTS, INC.

T: 219-879-8000 | F: 219-872-9057 | [email protected]

dwyer-inst.com

800-872-9141

DS-1630 | 3/18