hussman SCSS-SL manual Controller application setting parameters

Page 11

Rev. 0108

Controller application setting parameters

 

Para-

 

Controller

 

Min.

Max.

Factory

Actual

Setting and read-off parameters

meter

 

application no.

 

 

 

value

value

setting

setting

 

codes

1

2

3

4

 

 

 

 

 

 

 

 

 

 

 

Temperature controller, Temperature

 

 

 

 

 

-60oC

50oC

3oC

 

Thermostat

 

 

 

 

 

 

 

 

 

Differential1)

r01

 

 

 

 

0.1 K

20 K

2 K

 

Max. limitation of set temperature

r02

 

 

 

 

-59oC

50oC

50oC

 

Min. limitation of set temperature

r03

 

 

 

 

-60oC

49oC

-60oC

 

Adjustment of temperature indication

r04

 

 

 

 

-20 K

20 K

0.0 K

 

Temperature unit (°C/°F)

r05

 

 

 

 

 

 

oC

 

Alarm

 

 

 

 

 

 

 

 

 

Upper deviation (above temp. setting + differential 2)

A01

 

 

 

 

0 K

50 K

5 K

 

Lower deviation (below temp. setting 2)

A02

 

 

 

 

0 K

50 K

5 K

 

Temperature alarm delay

A03

 

 

 

 

0 min

90 min

30 min

 

Door alarm delay

A04

 

 

 

 

0 min

60 min

30 min

 

Compressor

 

 

 

 

 

 

 

 

 

Min. ON-time

c01

 

 

 

 

0 min

15 min

0 min

 

Min. OFF-time

c02

 

 

 

 

0 min

15 min

0 min

 

Cut-in frequency on sensor fault 3)

c03

 

 

 

 

0 %

100 %

0 %

 

Defrost

 

 

 

 

 

 

 

 

 

Defrost method (EL/GAS)

d01

 

 

 

 

 

 

EL

 

Defrost stop temperature

d02

 

 

 

 

0oC

25oC

6oC

 

Interval between defrost starts

d03

 

 

 

 

OFF

48 hour

8 hour

 

Max. defrost duration

d04

 

 

 

 

0 min

180 min

45 min

 

Time staggening on defrost cut-ins at start-up

d05

 

 

 

 

0 min

60 min

0 min

 

Drip-off time

d06

 

 

 

 

0 min

20 min

0 min

 

Fan start delay after defrost

d07

 

 

 

 

0 min

20 min

0 min

 

Fan start temperature

d08

 

 

 

 

-15oC

0oC

-5oC

 

Fan cut-in during defrost (yes/no)

d09

 

 

 

 

 

 

yes

 

Defrost sensor (yes/no)

d10

 

 

 

 

 

 

yes

 

Temperature alarm delay after defrost

d11

 

 

 

 

0 min

199 min

90 min

 

Fan

 

 

 

 

 

 

 

 

 

Fan stop on compressor cut-out (yes/no)

F01

 

 

 

 

 

 

no

 

Fan stop delay

F02

 

 

 

 

0 min

15 min

0 min

 

Miscellaneous

 

 

 

 

 

 

 

 

 

Delay of output signal cancellation after start-up

o01

 

 

 

 

2 s

120 s

2 s

 

Digital input signals 4)

o02

 

 

 

 

 

 

0

 

(0 = not used, 1 = door alarm, 2 = defrost, 3 = bus)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Real time clock (if fitted)

 

 

 

 

 

 

 

 

 

Six start times for defrost

t01t06

 

 

 

 

0

23

OFF

 

All can be cut out by setting on OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hour setting

t07

 

 

 

 

0 hour

23 hour

0 hour

 

Minute setting

t08

 

 

 

 

0 min

59 min

0 min

 

 

 

 

 

 

 

 

 

 

 

Fault code display

 

Alarm code display

Fault in controller

E 1

High temperature alarm

Disconnected room sensor

E 2

Low temperature alarm

Short-circuited room sensor

E 3

Door alarm

Disconnected defrost sensor

E 4

Status code display

Short-circuited defrost sensor

E 5

ON-time

 

 

OFF-time

 

 

Drip-off time

 

 

 

A1 A 2 A 4

S2 S 3 S 4

1) The compressor relay closes when the room temperature exceeds the setting value and differential.

2) Alarm is released and sensor failure is indicated, if the room temperature reaches 5°C or more outside the setting range

–60°to +50°C.

3)The frequency is measured after approx. three days and nights operation after start of the plant (72 cyclings)

otherwise:

ON-time = c03 20: 100 minutes

OFF-time interval 20 minus ON-time per minute

4) Function possibilities with SPDT contact, connected to the terminals 3 and 4 are the following:

Door alarm: If SPST is cut out, alarm signalling starts and the fan is stopped, cf. A04 or F02.

Defrost: If SPST is cut in, defrost starts. (However, if d03 is not OFF, defrost will during contact break down start with the programmed time intervalles).

Bus: With installed communication card, the position of the SPST contacts will be registered in the BUS system.

11

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Contents REV Service BakeryApplication Model DescriptionsHussmann Chino Product Control ShortagesSCSS-SL Do not USE Permagum LevelingCorner Wedges Installing Condensate DrainJoint Trim Waste Outlet and P-TRAPLinesthrough Merchandisersthatare Piping Condensing Unit Installation RequirementsStat Location Rear CLOSE-OFF Panel Wiring Color CodeAshrae Color Code Quick guide EKC 201 ControllersController application setting parameters Important Steps Case CleaningStocking ErationPlexiglass & Acrylic Care Evaporator pan must be monitored forNON-GLARE Glass Replacing Fluorescent Lamps Tips & TroubleshootingBefore calling for service, check the following Electrical Schematics Controls lines W8100002mnl Controls lines Appendix C. Field Recommendations Refrigerated Appendix A. Temperature Guidelines RefrigeratedType Typical Entering Refrigerator AIR Temperature Appendix B. Application Recommendations RefrigeratedAppendices, Cont’d Appendix D. Recommendations to User RefrigeratedAppendices, Cont’d IGSSB-SCSS / SCSS-SL-0108 Limited Warranty Model Serial Number