Mars 33492 User Manual

Heat Pump Thermostats

HeatPumpDefrostThermostats

MARS heat pump defrost thermostats are designed for direct

eplacement of most existing controls of this type. The

33490

Electrical Ratings:

CYCLES RESISTIVE

X1000 VOLTS FLA LRA AMPS VA

100 120VAC 5.8 34.8 10 125 100 240VAC 2.9 17.4 10 125

30 120VAC 10.0 40.0 –– 30 240VAC 10.0 40.0 ––

100 30VDC –– 1 –

MARS

NO.

33490 33492 33494 33496

OPERATING TEMPERATURES F˚

OPEN CLOSE

80 30 80 30 65 30 65 30

temperature settings and tubing sizes have been carefully selected from the most popular OEM settings. Each MARS thermostat comes complete with extra long 54 inch leads, mounting clamp, and installation instructions for fast and simple field installation.

Features:

• Four controls cover most requirements

• Tapered mounting edge for maximum heat transfer

• Extra long 54 inch leads for simple wiring

• Individually boxed with mounting clamp and instructions

• UL & CUL listed

TUBE MOUNTING IN LEADS IN

ARS SERIES

/8 54

/2 54

/8 54

/2 54

COMPONENT

330

MARS Solid State Devices MARS SERIES 347

34790

Features:

• Adjustable 90 or 45 minute defrost interval

• Replaces GE directly

• Replaces Paragon with bracket

• Telechron S1 motor

• 50/60 Hertz

• UL and CSA listings available

MARS NO.

34790

DEFROST INTERVAL DEFROST TIMING PERIOD DEFROST INITIATION SWITCHING

90 or 45 10 50 Sec. SPST N.O.

MARS Heat Pump Defrost Timer

MARS Heat Pump Defrost Timer replaces General Electric and Paragon timers on heat pumps with time initiated and time or temperature terminated defrost systems.

The MARS Heat Pump Timer features a defrost interval adjustment that allows selection of either 90 minutes or 45 minutes between defrost periods.

The MARS Heat Pump Defrost Timer will replace Paragon timers used by Carrier, Bryant, and other OEMs with the addition of a mounting bracket.

Specifications:

Time Delays: Digital Interval delay duration: jumper selectable as 45 or 90 min.

D faults to 45 min. if jumper wire is not connected.

Defrost Delay Duration: 10 min. or terminated upon the defrost thermostat opening Defrost Window Delay Duration: 50 seconds Operating Voltage: 240 VAC +10% - 25% Output: relay/contactor output Type - solid state Form - SPDT N.O.

Rating - .50 amp steady state

Protection: 25% or greater shutdown Surface Mount: With two #6 screws .25 inch male quick connect terminal OperatingTemp: -40˚C to +85˚C Humidity: 95% relative

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