Toshiba MMK-AP0072H Service Manual page 27

No. Item
14 " " and " "
display
(Operation and
heating stand-by)
15 Selection of
central control
mode
Outline of specifications
<Operation standby> .......... Display on wired type
(1) • "P05" is one of displays of power wire missingand when
it's detected.
• "COOL/DRY" operation cannot be performed because
the other indoor unit is under "HEAT" operation.
• "HEAT" operation cannot be performed because COOL
priority is set (Outdoor I/F P .C. board SW11 bit 1 is ON)
and the other indoor unit is under "COOL/DRY" opera-
tion.
• "FAN" operation cannot be performed because the
system performs "Heat oil/Refrigerant recovery"
operation.
• There is a unit in which indoor overflow "P10" is
detected.
• There is a unit in which interlock alarm "P23" is de-
tected.
(2) The above indoor units unavailable to operate waits
under condition of thermostat OFF.
<HEAT standby> .................. Display on remote controller
(1) • HEAT thermostat is OFF.
• During HEAT operation, the fan rotates with lower air
speed than one specified in order to prevent discharge
of cold draft or stops. (including case that defrost
operation is being performed)
• "HEAT" operation cannot be performed because COOL
priority is set (Outdoor I/F P .C. board SW11 bit 1 is ON)
and the other indoor unit is under "COOL/DRY" opera-
tion.
(2) "HEAT standby" is displayed until the above conditions
are released.
(1) The contents which can be changed on the remote
controller at indoor unit side can be selected by setup at
the central controller side.
(2) In case of operation from TCC-LINK central controller
(TCB-SC642TLE, etc.)
[Central control mode 1] : Cannot operate
[Central control mode 2] :
Cannot operate, stop, select mode, set up temp.
[Central control mode 3] :
Cannot select mode, set up temp.
[Central control mode 4] : Cannot select mode
27
FILE NO. SVM-05052
Remarks
• " " goes on.
• Not displayed on the wired
type.
• " " goes on.
Display at RBC-AMT21E
(wired remote controller)
side
• While mode is the central
control mode, "
CENTRAL" lights on the
display part of the remote
controller.
Display at Wireless type
side
• While the central control
mode is set up, the
contents possible to be
operated are same though
the display lamp does not
change. An operation
executed from the wireless
remote controller in
Central control mode is
notified by the receiving
sounds Pi, Pi, Pi, Pi, Pi
(Five times).