Alto-Shaam QC-40 Operations Instructions download pdf (Page 12)

PG. 10 #8402 QC-40 INSTALLATION & MAINTENANCE MANUAL

2.0 — Controls, Operation and Start-Up

2.8 HARDWARE NOTES

NOTE: Refer to Operation and Procedure Guide, Section 9.0.

SERIAL PRINTER:

The printer MUST have an internal buffer of at least 1K

bytes. Since the printer must be able to maintain the same

pace as the control, and there is no printer handshaking,

printers with smaller buffers simply cannot keep up. The

printer must also conform to RS-232 standards and must

be able to print using only the TX and GND lines (i.e.,

without hardware handshaking or software handshaking

(XON/XOFF). Nearly all serial printers can print without

handshaking. The printer should be connected to the

control with a NULL serial cable.

RECOMMENDED:

Star Micronics PN# DP-8340 FM

Alto-Shaam Serial Printer & Cable Package PN#14218

PARALLEL PRINTER:

Any EPSON, IBM PRO-PRINTER or compatible is acceptable.

The internal buffer should be at least 1K byte. Most of the

newer printers have at least this amount or more. A standard

printer cable is required. It is not necessary to use a printer

with 24 pins or special graphic capabilities. Alto-Shaam

Parallel Printer Cable (part number 14709) is recommended to

connect parallel printer to Quickchiller control .

DIP SWITCH:

The dip-switch is located on the CPU board. It is read by the

software each time the main menu is entered. Changing the

settings while at the main menu will not effect a change until

the main menu is exited and reentered.

When taking advantage of the special feature program options,

we strongly recommend

individuals with an electronics

background to properly locate

and change dip-switch position.

Refer to Operation and Procedure

Guide, Section 8.1.

SWITCH

NUMBER

FUNCTION OFF ON

1 Language ENGLISH SPANISH

2 Reserved ——

3 Reserved ——

4 On-Line Print NO YES

5 Reserved ——

1 2 3 4 5

DIP-SWITCH

BUZZER

FIG. 2.8 - CPU BOARD

(PARTIAL VIEW)

DIP-SWITCH LOCATION

AT-A-GLANCE

QC-40 CONTROL SETTINGS

PRINTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Printer Interface = Serial

Baud Rate = 4800

Stop Bits = 1 bit

Printing Delay = 40 [40]

Sample Period, min. = 5 [ 5]

Print Grid Spacing = 5 [ 5]

Print Grids = YES

Printer Columns = [40]

BUZZERS/TIMEOUTS . . . . . . . . . . . . . . . . . . . . . . . .

Probe Mute Time, sec. = 30 [30]

Chill Done Time, sec. = 60 [60]

Are-U-Sure Time, sec. = 20 [20]

DefrstDone Time, sec. = 60 [60]

Probe Mute Buzzer = 0 [ 0]

Chill Done Buzzer = 1 [ 1]

Are-U-Sure Buzzer = 2 [ 2]

Defrost Done Buzzer = 3 [ 3]

HOLDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hold Set-point, C = 3 [ 3]

Hold Offset, 0.1C = 0 [ 0]

Hold Low Offset, 0.1C = 6 [ 6]

Hold Med Offset, 0.1C = 4 [ 4]

HoldHigh Offset. 0.1C = 4 [ 4]

CHILLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Probe 1 Set-point, C = 4 [ 4]

Probe 2 Set-point, C = 4 [ 4]

Probe 3 Set-point, C = 4 [ 4]

Chill Set-point, C = -10 [- 6]

Chill Offset, 0.1C = 0 [ 0]

ChillLow Offset. 0.1C = 8 [ 8]

ChillMed Offset, 0.1C = 8 [ 8]

ChillHi Offset. 0.1C = 8 [ 8]

DEFROSTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Automatic Defrost = YES

AutoDefrst Per. 5min = 72 [72]

DefrstWarnTime, 10min = 60 [60]

Coil1 Defrost End. C = 16 [16]

Coil2 Defrost End, C = 16 [16]

Defrost Time, min = 20 [20]

MISC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chiller Model = QC-40

Compressor Mode = CPU CNTR

Number Compressors = TWO

Power Throttle = YES

Temp Cycling = YES

RTD Offset, 0.1C = 0 [ 0]

Power Down Minutes = 1 [ 1]

Temperature Units = Farhen

Time Format = HH:MM

Fan Cut-in Temp, C = 4 [ 4]

Fan Cut-Out Temp, C = 13 [13]

KeyBoard Buzzer = ON

Device Access Number = 49 [49]

NOTE: [ ] =

DEFAULT VALUES

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 28 29

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Alto-Shaam QC-40 Operations Instructions Page 12

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