Mitsubishi SRK63ZEA-S1, Technical Manual

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(d) Fan operation
2
(e) Standby operation
1) Operation content 1) Operation content
Inverter command speed 0 rps
Indoor fan motor OFF
Outdoor fan motor 2nd speed
Flap and louver Fully closed/ Center
4.15 ECONOMY operation
(ECONO button on remote control: ON)
(1) The set temperature is raised by 1.5°C (0.5°C every one hour) at cooling operation and lowered by 2.5°C (Steps of 1°C, 1°C and
0.5°C every one hour) at heating operation to continue the operation with the following contents.
(2) Detail of operation
CnT Input
A Unit
B Unit
OFF
OFF
*ON
ON
ON
ON
OFF
OFF
OFF
ON
ON
ON
OFF
OFF
OFF
Note (1) The ON with the * mark indicates an
ON operation using the remote control
unit switch, etc.
*ON
4.16 External control (remote display)/control of input signal
Make sure to connect the wired remote control unit. Control of input signal is not available without the wired remote control unit.
(1) External control (remote display) output
Following output connectors (CNT) are provided on the printed circuit board of indoor unit.
(a) Operation output: Power to engage DC 12V relay (provided by the customer) is outputted during operation.
(b) Heating output: Power to engage DC 12V relay (provided by the customer) is outputted during the heating operation.
(c) Compressor ON output: Power to engage DC 12V relay (provided by the customer) is outputted while the compressor is
operating.
(d) Error output:
When any error occurs, the power to engage DC 12V relay (provided by the customer) is outputted.
(2) Control of input signal
Control of input signal (switch input, timer input) connectors (CNT) are provided on the control circuit board of the indoor unit.
However, when the operation of air conditioner is under the Center Mode, the remote control by CnT is invalid.
(a) If the factory settings (Jumper wire J1 EXTERNAL INPUT on the PCB) are set, or “LEVEL INPUT” is selected in the wired
remote control’s indoor unit settings.
1) Input signal to CnT OFF
→
ON Air conditioner ON
2) Input signal to CnT ON
→
OFF Air conditioner OFF
Inverter command speed 0 rps
Indoor fan motor OFF
Outdoor fan motor Determined by stop mode
Flap and louver Fully closed/ Center
(b)
When Jumper wire J1 on the PCB of indoor unit is cut at the field or “PULSE INPUT” is selected in the wired remote
control’s indoor unit settings.
Input signal to CnT becomes valid at OFF
→
ON only and the motion of air conditioner [ON/OFF] is inverted.
CnT Input
A Unit
B Unit
OFF
OFF
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
Model
SRK63ZEA-S1 SRK71ZEA-S1
Item
Operation mode Cooling Heating Cooling Heating
Inverter command speed 12~46 rps 12~60 rps 12~52 rps 12~66 rps
Indoor fan motor 2nd, 4th speed 3rd, 5th speed 2nd, 4th speed 3rd, 5th speed
Outdoor fan motor 3rd~5th speed