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Carrier 040-420 User Manual

Page 44

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M A X D E M A N D

= 90

DEMAND

SIGNAL

(4-20

MA INPUT)

Fig. 8

4-20

Demand Limiting

Reading and Changing Time Displav

Time is entered

Off The service function is

and displayed in 24-hour time. The day of the week is

word protected. Therefore, to gain entry to this function,

tered as a number.

1 = Mon, 2 = Tue, 7 = Sun, etc.

is used as the colon when entering time. See

8.

Example 8

Setting Time of Day and

Day of Week

this password must be entered. Pressing

allows the technician to view, change or enter

tion codes. To log off, perform the following keystrokes:

The service function is once again

word protected.

Software Information

displays the version

number of the software that resides in the processor mod-

ule. Press

a second time to display the language op-

tions that are available in the field configuration group.

T h e

a n d

b f

su

ions are summarized in

Table

KEYPAD

DISPLAY

ENTRY

RESPONSE

T I M E

MON 1600

TUE 13 05

JAN 01 90

APR

90

COMMENTS

T i m e d i s p l a y s u b -
f u n c t i o n o f s e t p o i n t
f u n c t i o n

Current setting is
Monday, 4:00

New setting of
Tuesday,

p m

is entered
and displayed

Current date is
Jan. 1, 1990

New setting
A p r i l 15, 1990
is entered
and displayed

Configuration Codes

allows entry into

the factory configuration subfunction. Under this subfunc-
tion, there are 6 groups of configuration codes that are down-
loaded at the factory. Each group is made up of 8 digits. If
processor module is replaced in the field, these 6 groups of
configuration codes must be entered through the keypad and
display module. Factory configuration codes (groups 1 through

6) that apply to the particular Flotronic’” II chiller being
serviced are found on a label diagram located inside the

control box cover. See Table 12 for a summary of factory

configuration subfunction keystrokes.

SERVICE FUNCTION This function allows the

to view and input configuration data. Factory

uration data, field configuration data and service configu-
ration data may be viewed or entered through the keypad

and display module. See Table 9 for a complete listing of
configurable items. Whenever a processor module is re-
placed in the field, the complete list of configuration codes
must be entered.

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