En-14
Function
Function
number
Setting number
Default
Details
Standby
time for
auxiliary
equipment
operation
71
00 Disable
Sets the standby time until the
auxiliary equipment operation
starts during primary equipment
operation.
01 1 minutes
02 2 minutes
⁞⁞ ⁞
98 98 minutes
99 99 minutes
Heat pump
backup set-
ting
72
00
Disable
Enables or disables the heat
pump backup instruction from the
outdoor unit.
This function will be usable
provided that the corresponding
outdoor unit is connected.
01
Enable
Emergency
heat
73
00 Disable
Enables or disable of emergency
heat input.
01 Enable
Fan delay
time
74
00 1 minutes
Sets the fan delay time when the
heater is turned off.
01 50 seconds
02 40 seconds
03 30 seconds
External
heater use
in defrost-
ing. (*4)
75
00 Disable
Enables or disables the external
heater use in defrosting.
01 Enable
*1: Auto restart is an emergency function such as for power failure etc.
Do not start and stop the indoor unit by this function in normal operation.
Be sure to operate by the control unit, converter or external input device.
*2: Inappropriate setting may cause an external device malfunction. Confirm whether all
the settings have been performed appropriately according to the installing condition.
*3: Function number 68 and 69 will be usable provided that the corresponding operating
device is connected.
*4: When using function number 75, inappropriate heater selection may cause cold air in
defrosting.
Temperature conditions when the external heater is ON/OFF
Temperature (t) = Room temperature - set temperature
Set value of function: 61
00 01 to 09
ON OFF ON OFF
Set value of function: 62
00 t < -5.4°F (-3°C) t ≥ -1.8°F (-1°C) t ≤ -0.9°F (-0.5°C)
t
≥
+0.9°F (+0.5°C)
01 t < -3.6°F (-2°C) t ≥ -1.8°F (-1°C) t ≤ -1.8°F (-1°C)
t
≥
+0.9°F (+0.5°C)
02 t < -3.6°F (-2°C) t ≥ -1.8°F (-1°C) t ≤ -3.6°F (-2°C)
t
≥
+0.9°F (+0.5°C)
03 t < -5.4°F (-3°C) t ≥ -1.8°F (-1°C) t ≤ -5.4°F (-3°C)
t
≥
+0.9°F (+0.5°C)
04 t < -7.2°F (-4°C) t ≥ -1.8°F (-1°C) t ≤ -7.2°F (-4°C)
t
≥
+0.9°F (+0.5°C)
05 t < -9.0°F (-5°C) t ≥ -1.8°F (-1°C) t ≤ -9.0°F (-5°C)
t
≥
+0.9°F (+0.5°C)
06 t < -5.4°F (-3°C) t ≥ -0.9°F (-0.5°C) t ≤ -0.9°F (-0.5°C) t ≥ 0°F (0°C)
07 t < -3.6°F (-2°C) t ≥ -0.9°F (-0.5°C) t ≤ -1.8°F (-1°C) t ≥ 0°F (0°C)
08 t < -3.6°F (-2°C) t ≥ -0.9°F (-0.5°C) t ≤ -3.6°F (-2°C) t ≥ 0°F (0°C)
09 t < -5.4°F (-3°C) t ≥ -0.9°F (-0.5°C) t ≤ -5.4°F (-3°C) t ≥ 0°F (0°C)
10 t < -7.2°F (-4°C) t ≥ -0.9°F (-0.5°C) t ≤ -7.2°F (-4°C) t ≥ 0°F (0°C)
11 t < -9.0°F (-5°C) t ≥ -0.9°F (-0.5°C) t ≤ -9.0°F (-5°C) t ≥ 0°F (0°C)
12 t < -5.4°F (-3°C) t ≥ 0°F (0°C) t ≤ -0.9°F (-0.5°C) t ≥ -0.9°F (-0.5°C)
13 t < -3.6°F (-2°C) t ≥ 0°F (0°C) t ≤ -1.8°F (-1°C) t ≥ -0.9°F (-0.5°C)
14 t < -3.6°F (-2°C) t ≥ 0°F (0°C) t ≤ -3.6°F (-2°C) t ≥ -0.9°F (-0.5°C)
15 t < -5.4°F (-3°C) t ≥ 0°F (0°C) t ≤ -5.4°F (-3°C) t ≥ -0.9°F (-0.5°C)
16 t < -7.2°F (-4°C) t ≥ 0°F (0°C) t ≤ -7.2°F (-4°C) t ≥ -0.9°F (-0.5°C)
17 t < -9.0°F (-5°C) t ≥ 0°F (0°C) t ≤ -9.0°F (-5°C) t ≥ -0.9°F (-0.5°C)
8. TEST RUN
8.1. Test run using Outdoor unit (PCB)
• Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to
be used for the test run.
8.2. Test run using Remote Controller
• Refer to the Installation Manual for the remote controller to perform the test run using the
wireless remote controller.
• When the air conditioner is being test run, the OPERATION and TIMER indicators flash
slowly at the same time.
9. CHECK LIST
Pay special attention to the check items below when installing the indoor unit(s). After
installation is complete, be sure to check the following check items again.
CHECK ITEMS If not performed correctly
CHECK
BOX
Has the indoor unit been installed cor-
rectly?
Vibration, noise, indoor unit
may drop
Has there been a check for gas leaks
(refrigerant pipes)?
No cooling, No heating
Has heat insulation work been com-
pleted?
Water leakage
Does water drain easily from the indoor
units?
Water leakage
Is the voltage of the power source the
same as that indicated on the label on
the indoor unit?
No operation, heat or burn
damage
Are the wires and pipes all connected
completely?
No operation, heat or burn
damage
Is the indoor unit earthed (grounded)? Short circuit
Is the connection cable the specified
thickness?
No operation, heat or burn
damage
Are the inlets and outlets free of any
obstacles?
No cooling, No heating
Does start and stop air conditioner
operation by remote controller or external
device?
No operation
After installation is completed, has the
proper operation and handling been
explained to the user?
9373385264-02_IM_L3.indb Sec1:149373385264-02_IM_L3.indb Sec1:14 9/24/2019 11:06:30 AM9/24/2019 11:06:30 AM
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