Toshiba RAV-HM301MUT-E Service Manual page 43

No. Item
32 Free cooling
Outline of specifications
1) The external device can be operated in accordance with the
outdoor temperature in cooling operations. Energy saving
operations can be realized even if a cooling load exists in
the winter, by combining a device that uses the outdoor
temperature.
2) This function is valid by setting the CODE No. (DN) [1C8]
from the wired remote controller, and when the outdoor
temperature satisfies certain conditions, the output for the
CN32 connector on the indoor P.C. board will turn ON.
* Use processed air when taking in fresh air.
Watch for condensation of devices when taking in fresh air
at low temperatures.
DN [1C8] Data
0000
0001
TO
OFF
T
ON
ON
T
OFF
OFF
3) The temperature condition can be set with the following
CODE No. (DN).
DN [1C9]
Data
-0015
to
0029
DN [1CA] Data
-0015
to
0029
DN [1CB]
Data
0000
to
0010
4) The output for CN32 will turn OFF if there is a trouble in
the TO sensor.
5) The output state can be checked from "Monitor function" on
the wired remote controller.
* Refer to page 82 or or the manual for the remote controller for
operation methods of "Monitor function".
Monitor Free cooling output
CODE No. - - - -: Unavailable
E6 0000: OFF
0001: ON
Free cooling
Unavailable (Factory default)
Available
ΔT
ΔT
T : Free cooling ON temp.[ºC]
ON
0016:16ºC (Factory default)
-15ºC to 29ºC
(1ºC each)
T : Free cooling OFF temp.[ºC]
OFF
0010:10ºC (Factory default)
-15ºC to 29ºC
(1ºC each)
ΔT : ON/OFF differential temp.[ºC]
0002: 2ºC (Factory default)
0ºC to 10ºC
(1ºC each
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Remarks