23
TOUCH PILOT CONTROL OPERATION
7.1 - Start / Stop control
The unit state is determined based on a number of factors,
operating conditions.
[ctrl_typ] and its running status with regard to the following
parameters:
• Operating type: Operating type is selected using the
Start/Stop button on the user interface.
LOFF Local o
L-C Local on
L-SC Local schedule
Rem. Remote
Net. Network
Mast Master unit
• Start/stop force command [CHIL_S_S]:
Unit start/stop force command can be used to control
the unit state in the Network operating type.
- Command set to stop: The unit is halted.
- Command set to start: The unit runs in accordance
with schedule 1.
• Remote start/stop contact status [Onoff_sw]:
Start/stop contact can be used to control the unit state
in the Remote operating type.
• Master control type [ms_ctrl]:
When the unit is the master unit in a two-unit master/
(see also section 7.15).
• Start/stop schedule [chill_occ]:
Occupied or unoccupied status of the unit.
• Network emergency stop command [EMMSTOP]:
operating type.
• General alarm:
The unit shuts down due to failure.
7.2 - Unit stop function
This function controls the unit compressor capacity reduction.
If there is an alarm or a demand to stop, it forces the
compressors to the minimum capacity before stopping them.
Active operating type Parameters status
Control
type
Unit
state
LOFF L-C L-SC Rem Net. Mast
Start/Stop
force
command
Remote
start/stop
contact
Master
control
type
Start/Stop
schedule
Network
Emergency
Shutdown
Alarm
shutdown
- - - - - - - - - enabled - - o
- - - - - - - - - - - yes - o
active - - - - - - - - - - - local o
- - active - - - - - - unoccupied - - local o
- - - active - - - open - - - - remote o
- - - active - - - - - unoccupied - - remote o
- - - - active - disabled - - - - - network o
- - - - active - - - - unoccupied - - network o
- - - - - active - - local unoccupied - - local o
- - - - - active - open remote - - - remote o
- - - - - active - - remote unoccupied - - remote o
- - - - - active disabled - network - - - network o
- - - - - active - - network unoccupied - - network o
- active - - - - - - - - disabled no local on
- - active - - - - - - occupied disabled no local on
- - - active - - - closed - occupied disabled no remote on
- - - - active - enabled - - occupied disabled no network on
- - - - - active - - local occupied disabled no local on
- - - - - active - closed remote occupied disabled no remote on
- - - - - active enabled - network occupied disabled no network on
IMPORTANT: When the unit is stopping or there is a demand to stop the unit, compressors are stopped consecutively.
In case of emergency stop, all compressors are stopped at the same time.
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