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16
8
6
0
0 2 4 6 8
IO
12 14
16
18
20
RESET REFERENCE SIGNAL
(4
-20 MA INPUT)
Fig. 7
-
4-20
mA
Cooling Temperature Reset
Example 7A
-
Using Demand Limit
Example
7B
-
Using Demand Limit (4-20 mA)
(First Log On as Shown in Table 11)
(First Log On As Shown in Table 11)
KEYPAD
ENTRY
DISPLAY
RESPONSE
FLD CFG
ERTYP
0
LSTYP
0
LSTYP 1
DEMAND
DLSl 100
DLSl 60
DLS2 100
DLS2 40
COMMENTS
Field configuration sub-
function of service function
Scroll past other elements
in the subfunction
Loadshed
is not enabled
Loadshed
is now enabled
for 2-stage switch control
Demand Limit set points
subfunction of set point
function
Loadshed
1 currently set
at 100%
Loadshed
reset to 60%
Loadshed
2 currently set
at 100%
Loadshed
2 reset to 40%
To Disable Demand Limit:
KEYPAD
ENTRY
DISPLAY
RESPONSE
COMMENTS
FLD CFG
Field configuration sub-
function of servicefunction
ERTYP 0
I
Scroll past other elements
in the subfunction
LSTYP 1
LSTYP 0
Loadshed
is enabled for
2-stage switch control
Loadshed
is now disabled
KEYPAD
ENTRY
ppiq
0
t
Cl
q ‘n
ENTR
MH
DISPLAY
RESPONSE
FLD CFG
ERTYP 0
LSTYP
0
LSTYP 2
DEMAND
DMAX 100
DMAX 90
RMAX 20
RMAX 15
DMIN
0
DMIN
20
RMIN
4
RMlN
6
COMMENTS
Field configuration subfunction
of service function
Scroll past other elements in
the subfunction
Loadshed
is not enabled
Loadshed
is now enabled
for 4-20
mA
signal control
Demand Limit set points
Maximum demand limit is 100%
Maximum demand limit is 90%
Maximum demand limit
reference is 20
mA
Maximum demand limit
reference is 15
mA
Minimum demand limit is 0%
Minimum demand limit is 20%
Minimum demand limit
reference is 4
mA
Minimum demand limit
reference is 6
mA
NOTE: Select 3 for Carrier comfort Network (CCN) load limiting
Select 4 for CCN demand limiting.
43