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UNIVERSAL ELECTRONIC

CONTACTOR UPGRADE

SURESWITCH

?

PAGES

197–198

www.white-rodgers.com

79

COOLING /

REFRIGERATION

SureSwitch

SPECIFICATIONS

Electrical Ratings

Line Voltage Input . . . . . . . . . 240 VAC, 50/60 Hz

Full Load Amperes (FLA) . . . . . . . . . . . . . 40A

Locked Rotor Amperes (LRA) . . . . . 200A

Control (Coil) Voltage (Y,C) . . . . . . 24 VAC, 50/60 Hz

Recommended Terminal Torque – C, R, L1 and L2

#4 – 6 AWG . . . . . . . . . . . . 45 in-lbs

#8 AWG . . . . . . . . . . . . . 40 in-lbs

#10 - 14 AWG . . . . . . . . . . . 35 in-lbs

24 VAC (Y, C) Terminals are 1/4" Male QC's accepting #12-24 AWG wire

Timings

Anti-Short-Cycle Delay . . . . . . . 0s or 180s (selectable) at 60 Hz

0s or 216s (selectable) at 50 Hz

Compressor Test . . . . . . . . . . 5s at 60 Hz, 6s at 50 Hz

Dimensions . . . . . . . . . . . . 2

3

/

4

W x 2

3

/

8

H x 3

7

/

8

L

Operating Temperature Range . . . . -40

°

to 158

°F (-40 to 70°C)

Humidity Range 5 to 95% relative Humidity (non-condensing)

Y C

24 V

1/4" Spades

L1 L2

240 V

Lugs

1/4" Spades

Line

C R

Compressor

Fan C Hard Cap CCH

Accessories

CONTROL

CIRCUIT

L

2

L

1

Run

Common

LOAD

LINE

Electrical Diagram

49P11-843 Terminals and Switches

TEST

Tri-Color LED

Fault/Status Indicator

Count Button

Hardstart

Option

Fan

Common

Compressor/Fan

Capacitor Outputs

Short Cycle

Protection

Delay

Dipswitch

Brownout

Protection

Brown

Dipswitch

C

Y

Thermostat

Input

Test

Button

Crankcase Heater

Power

Line

Inputs

L1

L2

Run

Common

Delay

Brown

ON

COUNT

Compressor

Outputs

49P11-843 SURESWITCH

Universal Electronic Upgrade for Mechanical Compressor Contactors.

5x Contactor Life, Sealed to Keep Out Ants and Debris

FEATURES

• Microprocessor controlled sealed compressor switching.

• Line voltage brownout protection, short cycle protection, tricolor LED displays.

• Heavy-duty lug connectors, zero chatter latching relay.

• Four-hole mounting matches mechanical contactors.

• Random start delay on power up and brownout recovery.

• Compressor test and cycle count by push-button.

TERMINAL DESIGNATIONS

Model

Number

Coil

Line Voltage Input

Amp Rating

Poles

49P11-843

24 VAC

240 VAC

40 FLA, 200 LRA

1 or 1.5