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SPECIFICATIONS

Electrical Ratings:

Pilot Duty Pole . . . . . . . . . . . 3 VA at 24 VAC (Minimum)

25V at 24 VAC (Maximum)

Input Voltage . . . . . . . . . . . 24 VAC nominal

Total Power Consumption . . . . . . 0.5 VA (relay de-energized)

4.0 VA (relay energized)

57T01-843 BLOWER TIME DELAY RELAY

The 57T01-843 Time Delay Relay is for Use in Air Handlers Installed

in Compressor-Run Air Conditioning and Heat Pump Systems to

Delay the Blower Shut-Off After the Compressor has Shut Off.

Replaces Trane Part Numbers D155079P01 and RLY 2807

FEATURES

• Allows residual cooled air to be blown into the controlled space, increasing the

efficiency of the system in cooling.

• Depending on electrical hookup in a heat pump system, delay of blower shut-off

could also occur in heating.

Model Number

Contact Ratings:

Power Pole (Amperes per pole)-

57T01-843

208/240/277 VAC

Full Load

7

Locked Rotor

36

Resistive

15

U.L. Approved Horsepower

3

/

4

HP

57T01-843

57T01-843 BLOWER

TIME DELAY RELAY

www.white-rodgers.com

84

COOLING /

REFRIGERATION