York YCUL0016 Instrukcja Użytkownika Pobierz pdf (Strona 5)

YORK INTERNATIONAL

FORM 150.63-EG1

MILLENNIUM CONTROL CENTER

All controls are contained in a NEMA 3R/12 (and

equivalent to IP55*) cabinet with hinged outer door

and includes:

Liquid Crystal Display with Light Emitting Diode

backlighting for outdoor viewing:

Two display lines

Twenty characters per line

Color coded 12-button non-tactile keypad with sections

for:

DISPLAY/PRINT of typical information:

Suction temperatures (optional)

Ambient temperature

System pressures (each circuit)

Operating hours and starts (each compressor)

Print calls up to the liquid crystal display:

Operating data for the systems

History of fault shutdown data for up to

the last six fault shutdown conditions

An RS-232 port, in conjunction with this

press-to-print button, is provided to permit

the capability of hard copy print-outs via a separate

printer (by others).

ENTRY section to:

ENTER setpoints or modify system values

SETPOINTS updating can be performed to:

Suction pressure setting

Suction pressure control zone

Remote reset temperature range

Set daily schedule/holiday for start/stop

Manual override for servicing

Low and high ambient cutouts

Number of compressors

Low suction pressure cutout

High discharge pressure cutout

Anti-recycle timer (compressor start cycle time)

Anti-coincident timer (delay compressor starts)

UNIT section to:

Set clock

Set options

• Set unit option

• Set unit control for Discharge Air Temperature

Control or for Suction Pressure Control (requires

Suction Pressure Transducers – standard on

YCUL 0076 - 0130 and optional on YCUL0016

- 0066.

UNIT ON/OFF switch

The microprocessor control center is capable of

displaying the following:

• Suction temperatures (optional)

• Low ambient temperature cutout setting

• Outdoor air temperature

• English or Metric data

• Suction pressure cutout setting

• Each system suction pressure (optional on 0016

- 0066 models and standard on 0076 - 0130

models)

• System discharge pressure (optional on 0016 - 0090

models and standard on 0096 - 0130 models)

• Discharge Air Temperature Reset via a YORK ISN

DDC or Building Automation System (by others)

via:

- a pulse width modulated (PWM) input as stan-

dard

- a 4-20 milliamp or 0 -10 VDC input, or contact

closure with the optional B.A.S. interface option

• Anti-recycle timer status for each system

• Anti-coincident system start timer condition

• Compressor run status

• No cooling load condition

• Day, date and time

• Daily start/stop times

• Holiday status

• Automatic or manual system lead/lag control

(Discharge Air Temperature control only)

• Automatic lead/lag of compressors within a system

• Compressor starts & operating hours

(each compressor)

• Status of hot gas valves, and fan operation

• Run permissive status

• Number of compressors running

• Liquid solenoid valve status

• Load & unload timer status

1 2 3 4 5 6 7 8 9 10 ... 123 124

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