Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 151

(5) Selection of the annual cooling function
(a) The annual cooling control is valid from factory default setting. It is possible to
disable by cutting jumper wire (J3), or changing the setting of dip switch (SW2-
4) on the interface kit (option) PCB if it is connected.
Jumper wire
(J3)
Shorted
Shorted
Open
Open
Notes (1) Default states of the jumper wire (J3) and the interface kit at the shipping from factory – On the
PCB, the dip switch (SW2-4) is set to enable the annual cooling function.
(2) To cancel the annual cooling setting, consult your dealer.
(b) Content of control
( i ) If the outdoor air temperature sensor (TH2) detects below 5°C, the indoor
unit speed is switched to 7th step.
(ii) If the outdoor air temperature sensor (TH2) detects higher than 10°C, the indoor unit speed is changed to the normal control
speed.
(6) Heating only function
(a) Heating only function can be enabled by disconnecting the jumper wire (J4).
(b) Control contents
Operation mode setting
COOL/DRY/FAN
AUTO/HEAT
(7) High power operation
Pressing the HI POWER/ECONOMY button intensifies the operating power and initiates powerful cooling and heating operation
for 15 minutes continuously. The wireless remote control displays HIGH POWER mark and the FAN SPEED display disappears.
(a) During the HIGH POWER operation, the room temperature is not controlled. When it causes an excessive cooling and heating,
press the HI POWER/ECONOMY button again to cancel the HIGH POWER operation.
(b) HIGH POWER operation is not available during the DRY and the ON timer to OFF timer operations.
(c) When HIGH POWER operation is set after ON timer operation, HIGH POWER operation will start from the set time.
(d) When the following operation are set, HIGH POWER operation will be cancelled.
① When the HI POWER/ECONOMY button is pressed again.
② When the operation mode is changed.
③ When it has been 15 minutes since HIGH POWER operation has started.
④ When the 3D AUTO botton is pressed.
⑤ When the SILENT botton is pressed.
⑥ When the NIGHT SETBACK botton is pressed.
(e) Not operable while the air-conditioner is OFF.
(f) After HIGH POWER operation, the sound of refrigerant flowing may be heard.
J1 用
Jumper wire (J1)
Interface kit
(SC-BIKN2-E)
R L F 5 0 5 A 1 0 2
SW2-4
ON
OFF
ON
OFF
Operation mode
FAN
HEAT
-
0 0
Function
Enabled
Disabled
Disabled
Disabled
150
-
'17 • SCM-T-225
J3 用
Jumper wire (J3)
R L F 5 0 5 A 1 0 2
Jumper wire (J172)
ON
OFF
5 10
Outdoor air temperature ( C)
Jumper wire (J4)
0 0
R L F 5 0 5 A 1 0 2
0 0