Heatcraft Refrigeration Products 25001401 Скачать руководство пользователя страница 13

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Programming & Reviewing

FORCE

DEFROST

RESET

TIME

MONITOR

FORCE

SERVICE

Use the “MONITOR”

button to review these items:

SUP

- Superheat

(°F/°C)

ESP

- Expansion valve steps

(0 to 255 steps)

SCt

- Suction temperature

(°F/°C)

SSt

- Saturated Suction temperature

(°F/°C)

SCP

- Suction pressure at Evaporator

(PSIG/HG)

Odt

- Outdoor temperature

(°F/°C)

dFt

- Defrost sensor temperature

(°F/°C)

dFS

- Time left until next defrost

(hours) (on version 1.8 boards)

dFE

- Last Defrost Elapsed time

(minutes)

- Board Voltage

SPt

- Spare Temperature reading

rEL

- Software release program

Use this button to

“FORCE DEFROST”.

To force a defrost, press the

“FORCE DEFROST”

button. The system will pumpdown. The heaters

are then turned on. The display will show

“

dEF

”

and room temp.

Use this button to

“RESET TIME”.

Pressing this button will reset the

time clock in the microprocessor to zero. At initial power up, pressing
this button will bypass the “four minute” hold-off and the system will
start immediately after the expansion valve opens. This display will
show

“

dLy

”

Use this button to

“FORCE SERVICE”.

Pressing this button TWICE

will cause the system to pumpdown. The system will remain off until
the “

CLEAR

” button is pressed. While in the “

FORCE SERVICE

”, the

LED display will only show

“

SEr

”

Содержание 25001401

Страница 1: ...ogram Review Button Select Button Enter Button Monitoring Items 13 Monitor Button Force Defrost Button Force Service Button Reset Time Button Clear Test Button Locking The Beacon II Board 14 Status In...

Страница 2: ...ration Beacon II Board Defrost Heater Relay Evaporator Fan Relay Room Temperature Defrost Temperature Suction Temperature Suction Pressure Expansion Valve Connection Selection Buttons LED Display Term...

Страница 3: ...sure that the evaporator ground terminal is earth grounded Installation Some systems may require the crankcase heater be energized 24 hours prior to start up The Beacon should be de energized for this...

Страница 4: ...see wiring diagrams High voltage There may be high voltage on the defrost heater relay and the fan relay The evaporator is connected to a separate power supply from the condensing unit See unit cooler...

Страница 5: ...nd alarms which may cause troubles at startup VERY IMPORTANT This must be done for each slave board prior to starting the system Multiple Evaporator Configuration Master slave Up to 4 evaporators can...

Страница 6: ...4 minutes even if the box temperature goes above the differential temperature before cooling will be restarted The on board room thermostat is factory set at 35 F for Air Defrost systems and 10 F for...

Страница 7: ...itch has a fixed setting and cannot be adjusted Turn power on Start Up Operation CU M M Master Evaporator CU Condensing unit On the evaporator Use the PROGRAM REVIEW button to scroll through settings...

Страница 8: ...R 404A electric defrost R 404A Change to the refrigerant being used Check bot Box Temperature Factory defaults are air defrost 35 F and electric defrost 10 F Change to the desired temperature Review...

Страница 9: ...E the room sensor On the SLAVE evaporators All Beacon II boards are shipped with the factory default as a MASTER evaporator Each SLAVE evaporator must be changed to identify it as a SLAVE Use the PROG...

Страница 10: ...ay oFF and BOX TEMPERATURE Start Up Operation When the room sensor detects a rise in temperature of approximately 2 F and the compressor has been off for at least 4 minutes the EEV will open to its la...

Страница 11: ...not be stored in the memory and thus will not be changed A E Set Defrost type Air or ELE rEF Set Refrigerant type R 22 R 404A R 507 R 407A R 407C R 407F R 448A or R 449A bot Set Box temperature 30 F...

Страница 12: ...r of Defrost per Day dFn A selection must be made for the number of defrosts cycles per day 1 2 3 4 5 6 8 10 or 12 per day If no selection is made defaults electric defrost 4 per day and air defrost 2...

Страница 13: ...ftware release program Use this button to FORCE DEFROST To force a defrost press the FORCE DEFROST button The system will pumpdown The heaters are then turned on The display will show dEF and room tem...

Страница 14: ...displayed Pumpdown All Evaporators Pdn DEFROST All Evaporators dEF TEST All Evaporators tSt SERVICE All Evaporators SEr ALARMS A 1 High Box Temp A 2 Low Box temp A 3 System Start up failure Compressor...

Страница 15: ...fan cycling switch An adjustable time delay relay factory set at 1 minute is wired across the low pressure switch LPS In cold ambient this allows time for the suction pressure to build up and prevent...

Страница 16: ...appropriate defrost delay start time for the next desired defrost period The defrost schedule will be correct until you have another power outage Service Defrost Service Mode A single pole single thro...

Страница 17: ...Beacon II is energized the alarm contacts are OPENED When an alarm condition is detected the contacts are CLOSED Conditions under which the alarm contacts will close are High Box Temperature LED Disp...

Страница 18: ...y of these sensors are shorted or open The system will pumpdown and cycle off and will not restart until the fault is cleared or the circuit breaker reset for the following conditions Suction sensor s...

Страница 19: ...abeled A B C D This labeling is just for reference This can also be checked by using the EXV test pins on the board This is indicated by a 0 to 5 volts DC signal At 0 volts the valve is closed and at...

Страница 20: ...range for this input is 30 F to 140 F Sensors on the Beacon II system as supplied will not simulate product temperature This input can be monitored on the LED display by using the MONITOR button and s...

Страница 21: ...60 F 45 F 60 F Defrost Delay Start Time dFS 0 hrs 0 hrs 0 hrs 0 hrs Alarm High Temperature ALH 50 F 5 F 50 F 5 F Alarm Low Temperature ALL 30 F 15 F 30 F 15 F Alarm Time ALt 60 min 60 min 60 min 60 mi...

Страница 22: ...bers listed below will serve as service parts for any OLD part numbers in the event a replacement part is needed The Table and notes below highlight key differences between the OLD and NEW parts NOTES...

Страница 23: ...d delivering at the best lead times in the industry Visit www interlinkparts com or call 800 686 7278 for more information Only the sensor with white leads is shipped as a service replacement part 289...

Страница 24: ...9326601 22 40 268793 20 47 245695 R 407A Evaporator Temperature F 100 psi Pressure Drop R 407C Evaporator Temperature F 100 psi Pressure Drop 20 20 20 20 PART NUMBER TONS BTUH TONS BTUH TONS BTUH TONS...

Страница 25: ...sor and Board Connection Replace as needed E3 Suction Sensor Check Sensor and Board Connection Replace as needed E4 Suction Transducer Check Transducer and Board Connection Replace as needed E5 Outdoo...

Страница 26: ...t or replace faulty controls Check liquid line sizing Correct line sizing Check for liquid line restrictions Repair line or remove restrictions Check operation of HPS Replace HPS if necessary E7 Compr...

Страница 27: ...9 no error no error no error With Beacon II Smart Controller Line SMART Master Slave1 Slave 2 Slave 3 1 COMM E9 no error no error no error 2 COMM no error E9 E9 E9 3 COMM no error no error E9 E9 4 COM...

Страница 28: ...oint and refrigerant 13 Check for iced evaporator coil 13 Defrost coil and check defrost cycle see E2 settings setpoints and defrost sensor 14 Check defrost parameters 14 Correct defrost setpoints in...

Страница 29: ...29 Wiring...

Страница 30: ...30 Wiring 24 VOLT CONNECTION WIRING BEACON II master with three slave connection CONDENSING UNIT WITH FOUR EVAPORATORS...

Страница 31: ...31 Wiring TYPICAL EVAPORATOR WIRING TYPICAL ELECTRIC DEFROST WIRING DIAGRAM...

Страница 32: ...32 Wiring...

Страница 33: ...Observe system pressures during charging and initial operation Do not add oil while the system is short of refrigerant unless oil level is dangerously low Preventive Maintenance 4 Check all fan motors...

Страница 34: ...gerant Type R404A Box Setpoint Temp 10 F Superheat 7 F No of Defrost Day ddf yes Defrost End Temp 65 F COOLER Refrigerant Type R22 Box Setpoint Temp 35 F Superheat 7 F No of Defrost Day 2 Defrost End...

Страница 35: ...ure ______PSIG Cooler suction pressure ______PSIG Freezer suction pressure ______PSIG Cooler suction temp ______ F Freezer suction temp ______ F Cooler refrigerant charge ______lbs Freezer refrigerant...

Страница 36: ...Commercial Refrigeration Parts The name behind the brands you trust Heatcraft Refrigeration Products LLC 2175 West Park Place Blvd Stone Mountain GA 30087 www heatcraftrpd com Customer Service and Tec...

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