Toshiba MMU-AP0152SH, Service Manual

Page: 39 / 119

39
No.
15
Outline of specifications
<Operation standby> .......... Display on remote controller
(1) • “P05” is one of displays of power wire missing.
• “P05” of power cable is 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 1-bit is ON)
and the other indoor unit is under “COOL/DRY” operation.
• “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 detected.
(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” operation.
(2) “HEAT standby” is displayed until the above conditions are
released.
Remarks
• “ ” goes on.
Item
“ ” and “ ”
display
(Operation and
heating stand-by)
• “ ” goes on.
16 Selection of
central control
mode (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
(3) RBC-AMT21E (Wired remote controller)
While mode is the central control mode, “ CENTRAL”
lights on the display part of the remote controller.
If operation is performed
from the remote control
“CENTRAL CONTROL”
mode, the status is
notified with receiving
sound.