Carrier 30GK User Manual
27
5 - PRO-DIALOG PLUS CONTROL OPERATION
5.1 - Start/stop control
The table below summarises the unit control type and stop or
go status with regard to the following parameters.
-
go status with regard to the following parameters.
-
Operating type: this is selected using the start/stop button
on the front of the user interface.
on the front of the user interface.
-
Remote start/stop contacts: these contacts are used when
the unit is in remote operating type (rEM). See sections
3.6.2 and 3.6.3.
the unit is in remote operating type (rEM). See sections
3.6.2 and 3.6.3.
-
CHIL_S_S: this network command relates to the chiller
start/stop when the unit is in CCN control (CCn). Vari-
able forced to disable: the unit is halted. Variable forced to
Enable: the unit runs in accordance with schedule 1.
start/stop when the unit is in CCN control (CCn). Vari-
able forced to disable: the unit is halted. Variable forced to
Enable: the unit runs in accordance with schedule 1.
-
Start/Stop schedule: occupied or unoccupied status of the
unit as determined by the chiller start/stop program
(Schedule #1). Used when the unit is equipped with an
optional CCN/clock board, otherwise the chiller occupied
mode is forced to occupied all the time.
unit as determined by the chiller start/stop program
(Schedule #1). Used when the unit is equipped with an
optional CCN/clock board, otherwise the chiller occupied
mode is forced to occupied all the time.
-
Master control type. This parameter is used when the
unit is the master unit in a two chiller lead/lag arrange-
ment. The master control type determines whether the unit
is to be controlled locally, remotely or through CCN (this
parameter is a Service configuration).
unit is the master unit in a two chiller lead/lag arrange-
ment. The master control type determines whether the unit
is to be controlled locally, remotely or through CCN (this
parameter is a Service configuration).
-
CCN emergency shutdown: if this CCN command is
activated, it shuts the unit down whatever the active
operating type.
activated, it shuts the unit down whatever the active
operating type.
-
General alarm: the unit is totally stopped due to failure.
The current heat/cool operating mode on the unit is indicated
by item 4 in the Information menu and by the heat/cool LEDs
on the summary interface.
by item 4 in the Information menu and by the heat/cool LEDs
on the summary interface.
ON/OFF
STATUS
STATUS
Off
On
On
On
On
On
On
CONTROL TYPE
-
Local
Local
Remote
Remote
CCN
CCN
HEATING/COOLING
SELECTION IN LOCAL MODE
SELECTION IN LOCAL MODE
-
Cooling
Heating
-
-
-
-
REMOTE HEATING/
COOLING CONTACTS
COOLING CONTACTS
-
-
-
Cooling mode
Heating mode
-
-
HC_SEL
-
-
-
-
-
Cooling
Heating
OPERATING MODE
Cooling
Cooling
Heating
Cooling
Heating
Cooling
Heating
PARAMETER STATUS
ACTIVE OPERATING TYPE
STATUS OF PARAMETERS
CONTROL UNIT
TYPE
TYPE
MODE
REMOTE
MASTER
START/STOP CCN
GENERAL
START/STOP
CONTROL
SCHEDULE
EMERGENCY
ALARM
LOFF L-ON
L-SC
rEM
CCN
MASt
CHIL_S_S
CONTACT
TYPE
MODE
SHUTDOWN
-
-
-
-
-
-
-
-
-
-
Enable
-
-
Off
-
-
-
-
-
-
-
-
-.
-.
-
Yes
-
Off
Active -
-
-
-
-
-
-
-
-
-
-
Local
Off
-
-
Active
-
-
-
-
-
-
Unoccupied
-
-
Local
Off
-
-
-
Active
-
-
-
Off
-
-
-
-
Remote
Off
-
-
-
Active
-
-
-
-
-
Unoccupied
-
-
Remote
Off
-
-
-
-
Active
-
Disable
-
-
-
-
-
CCN
Off
-
-
-
-
Active
-
-
-
-
Unoccupied
-
-
CCN
Off
-
-
-
-
-
Active
-
-
Local
Unoccupied
-
-
Local
Off
-
-
-
-
-
Active
-
Off
Remote
-
-
-
Remote
Off
-
-
-
-
-
Active
-
-
Remote
Unoccupied
-
-
Remote
Off
-
-
-
-
-
Active
Disable
-
CCN
-
-
-
CCN
Off
-
-
-
-
-
Active
-
-
CCN
Unoccupied
-
-
CCN
Off
-
Active
-
-
-
-
-
-
-
-
Disable
No
Local
On
-
-
Active
-
-
-
-
-
-
Occupied
Disable
No
Local
On
-
-
-
Active
-
-
-
On
-
Occupied
Dsable
No
Remote
On
-
-
-
-
Active
-
Enable
-
-
Occupied
Disable
No
CCN
On
-
-
-
-
-
Active
-
-
Local
Occupied
Disable
No
Local
On
-
-
-
-
-
Active
-
On
Remote
Occupied
Disable
No
Remote
On
-
-
-
-
-
Active
Enable
-
CCN
Occupied
Disable
No
CCN
On
5.2 - Heating/cooling selection
On heat pumps, heating/cooling selection can be controlled
differently depending on the active operating type:
•
differently depending on the active operating type:
•
Locally on the unit, using operating types L-C1, L-C2,
LC1r and LC2r (for cooling) and L-H (for heating).
LC1r and LC2r (for cooling) and L-H (for heating).
•
Remotely using the heat/cool selection volt-free contact
when the unit is in Remote operating type (rEM).
when the unit is in Remote operating type (rEM).
•
Via a CCN command when the unit is in CCN operating
type (CCn).
type (CCn).