Heatcraft-refrigeration-products BEACON 25001501 User Manual

2175 West Park Place Blvd. • Stone Mountain, GA 30087 • (770) 465-5600 • Fax: (770) 465-5990INSTALLATION & OPERATINGINSTRUCTIONSFOR02/01Part

BEACON CONTROLLER10PUMP-DOWNAt the end of each cooling cycle, when the box temperature is met, the system will pumpdown and shut off.To pumpdown, the

BEACON CONTROLLER11STATUS INDICATORThere is a red status indicator light on the Beacon board. This light has a controlled blink sequence toindicate m

BEACON CONTROLLER12Error Codes•One blink — Superheat sensor shorted or open•Two blinks — Room temperature sensor shorted or jumper not installed•Three

BEACON CONTROLLER13OPTIONAL SMART CONTROLLERThe Beacon Smart Controller performs all the standard Beacon functions with the additional benefit of remo

BEACON CONTROLLER14TABLE 3The initial factory settings for the BEACON MICROPROCESSOR BOARD are indicated on the followingchart.ELECTRIC DEFROST AIR D

BEACON CONTROLLER15To test the Beacon board place the test jumper to the “TEST” position. The board will then cycle through each output for 10second

BEACON CONTROLLER16FAULT OR PROBLEM THINGS TO CHECKSystem runs 4 minutes then cycles off, then repeats 1. Check if sensors are connected correctly; if

BEACON CONTROLLER17BEACON TROUBLE-SHOOTING GUIDE (cont’d.)System will not run 1. Check if red jumper wire (next to blue pot) is correctlyconnected acr

BEACON CONTROLLER18BEACON UNI-POLAR EXPANSION VALVE TEST VOLTAGESESVTEST (Beacon Board connection)(dc volts) BLUE RED WHT BLK YELVALVE OPEN 4.4 15.6 1

BEACON CONTROLLER19SERVICE DIAGNOSIS CHART - BEACONPROBLEM POSSIBLE CAUSE POSSIBLE CORRECTIVE ACTIONCompressor will not run 1. 4 min. off cycle 1. Wai

BEACON CONTROLLER2QUICK GUIDEInstallation, Start-Up, Operation, TroubleshootingInstallation•Use 18 gauge wire for 24-volt connections between evaporat

BEACON CONTROLLER20PROBLEM POSSIBLE CAUSE POSSIBLE CORRECTIVE ACTIONBeacon Board Status 1. Supply voltage too high 1. Check 24 volt supply; if above 3

BEACON CONTROLLER21SERVICE DIAGNOSIS CHART - GENERALPROBLEM POSSIBLE CAUSE POSSIBLE CORRECTIVE ACTIONLow suction pressure 1. Insufficient refrigerant

BEACON CONTROLLER22

BEACON CONTROLLER23

BEACON CONTROLLER24

BEACON CONTROLLER25

BEACON CONTROLLER26

BEACON CONTROLLER27

BEACON CONTROLLER28

BEACON CONTROLLER29

BEACON CONTROLLER3QUICK GUIDE (cont’d.)Defrost•The actual defrost time is determined when power is first applied to the system as well as the number o

BEACON CONTROLLER30

BEACON CONTROLLER31

BEACON CONTROLLER32

BEACON CONTROLLER33

BEACON CONTROLLER34

BEACON CONTROLLER35Notes

Visit our web site at www.heatcraftrpd.com for Technical Literature Online.Since product improvement is a continuing effort at Heatcraft,we reserve th

BEACON CONTROLLER4INSTALLATION INSTRUCTIONSBefore Installing or Starting Unit:• Use a minimum 18 gauge wire for low voltage connections to cooler, con

BEACON CONTROLLER5REFRIGERANT LINE BRAZING (CAUTION)The electric expansion valve on the liquid line and the suction temperature sensor on the suction

BEACON CONTROLLER6ROOM TEMPERATURE CONTROL (Cont’d.)• Another method of setting the room set-point is to use the Beacon board thermostat pot. If a val

BEACON CONTROLLER7BEACON MICROPROCESSOR SETTINGS (See Table 3 for more details.)Selections to be made by applying movable jumpers:Defrost cycles or ti

BEACON CONTROLLER8OPERATING INSTRUCTIONSREFRIGERATION MODESTART UP1. Check all wiring connections to be sure they are correct and tight.2. Check volta

BEACON CONTROLLER9Ambients below 50° F and above 10° FAt the initial application of power to the system, the compressor and the evaporator fans will b