Toshiba HFCR407C - Indoor units

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Outline of control
Indoor units
Item Operation explanation and applied data, etc. Remarks
1. Power source (1) Automatic remote controller function set-up • Operation mode
is reset Based upon the result of selecting indoor unit model, set-up and display range of the range Air volume
remote controller. select/Louvre
presence
2. Operation (1) Based upon the operation select command from the remote controller or central
select controller, the operation mode is selected.
Remote controller command Control outline
STOP Stops air conditioner
FAN Fan operation
COOL Cooling operation
HEAT Heating operation
3. Room temp. (1) Adjustment range:
control
In cooling/heating
Remote controller set-up temperature 18 to 29 °C
Operation temperature 18 to 29 °C
(2) Operation point with compressor-OFF
(3) Operation temp. precision ± 1°C
(4) Differential 1°C
4. Automatic (1) Based upon difference between Ta and Ts, the operation frequency is indicated to
capacity the outdoor unit.
control
• Ts : set-up temp
(R/C).
Ta: Room temp
(Ambient).
+2
+1
Ts
-1
+1
Ts
-1
-2
Compressor OFF
COOL HEAT
Compressor OFF
SD
SB
S9
S7
S5
S3
S0
S0
S3
S5
S7
S9
SB
SD
SF
NOTE:
The operation frequency in the above zone differs according to horse power or protective
control of the outdoor unit.
5. Capacity (1) Frequency correction control
correction Frequency of the outdoor unit is corrected so that the present capacity reaches to the
control certain specified capacity.
(2) PMV opening correction control
PMV opening is corrected so that the refrigerant status of the indoor unit becomes
most appropriate to the demand.
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