APPENDIX A - CCN DISPLAY, SETPOINT, MAINTENANCE TABLE SCREENS
...
DISPLAY SCREEN
TABLE NAME: GENUNIT PIC TABLE TYPE : 11H, instance 1
DESCRIPTION
STATUS
UNITS
POINTS FORCEABLE
1
GENERAL PARAMETERS
2
3
Control Type
Local/CCN/Remote
1
-
ctr_type
N
4
Run Status
running/Off/Stopping/Delay
2
-
status
N
5
CCN Chiller Start/Stop
Enable/Dsable
3
-
CHIL_S_S
Y
6
Chiller Occupied?
Yes/No
4
-
CHIL_OCC
Y
7
Minutes Left for Start
0-15
min
MIN_LEFT
N
8
Heat/Cool Select
Heat/Cool
5
-
HC_SEL
Y
9
Heat Reclaim Select
Yes/No
10
-
RECL_SEL
Y
10
11
Alarm State
Normal
6
-
ALM
N
12
Current Alarm 1
nnn
-
alarm_1
N
13
Current Alarm 2
nnn
-
alarm_2
N
14
Current Alarm 3
nnn
-
alarm_3
N
15
Current Alarm 4
nnn
-
alarm_4
N
16
Current Alarm 5
nnn
-
alarm_5
N
17
18
Percent Total Capacity
nnn
%
CAP_T
N
19
Active Demand Limit Val
nnn
7
%
DEM_LIM
Y
20
Lag Capacity Limit Value
nnn
%
LAG_LIM
N
21
Current Setpoint
±nnn.n
°F
SP
N
22
Setpoint Occupied?
Yes/No
4
-
SP_OCC
Y
23
Control Point
±nnn.n
8
°F
CTRL_PNT
Y
24
Controlled Water Temp
±nnn.n
°F
CTRL_WT
N
25
External Temperature
±nnn.n
°F
OAT
N
26
27
Emergency Stop
Enable/Emstop
9
-
EMSTOP
Y
1 : Unit control type in effect as described in section 4.4.1.
2 : Unit current status as described in section 4.5.
w
Running means that the unit is started or allowed to start
w
Off means that the unit is stopped with all its outputs off
w
Stopping means that the unit is required to stop but all its outputs (compressors) are not yet stopped.
w
Delay means that the unit is allowed to start but the delay at startup is not yet elapsed.
3 : Allows to Start/Stop the chiller only when unit under CCN control type. Forced value is displayed but unused
when the unit is not under CCN control.
4 : Occupied state. This item can be forced. If the unit is in CCN mode, the forced value shall be used instead of the
real occupancy state. If the unit is not in CCN mode the forced value shall be unused and the regular time
schedule shall be used. Forced value and force code shall appear in the GENUNIT Points Display table only if the
unit is under CCN control.
5: Heat/cool select. This item can be forced. If the unit is in CCN mode, the forced value shall be used whatever the
status of the remote heat/cool contacts. If the unit is not in CCN mode the forced value shall be unused. Forced
value and force code shall appear in the GENUNIT Points Display table only if the unit is under CCN control.
CARRIER SA
USER'S GUIDE FOR
30GX&HX PRO_DIALOG 4 V.2
ECG-UG-02-002
Rev: Original
Page: 61/98
©
C
ARRIER
S
.
A
NOT
TO
BE
DISCLOSED
TO
PERSONS
OUTSIDE
CARRIER
ORGANIZATION
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