Ducted Installation Manual

En-13
■
Switching functions for external output terminal
Functions of the external output terminal can be switched.
(♦... Factory setting)
Function Number
Setting
Value
Setting Description
60
00 Operation status ♦
01 to 08
Other status
(Refer to the Design & technical manual.)
09 Error status
10 Fresh air control
11 Auxiliary heater
■
Setting record
• Record any changes to the settings in the following table.
Function setting Setting Value
Filter sign
Static pressure
Room temperature control for indoor unit sensor
cooling
heating
Room temperature control for wired remote
controller sensor
cooling
heating
Auto restart
Room temperature sensor switching
Cold air prevention
External input control
Room temperature sensor switching (Aux.)
Indoor unit fan control for energy saving for cooling
Switching functions for external output terminal
After completing the Function Setting, be sure to turn off the power and turn it on again.
6. 2. Static pressure
The static pressure can be set by the following 2 methods. Choose accordingly.
a. Manual setting (Function setting)
Select the appropriate static pressure according to the installation conditions.
(♦... Factory setting)
Function
Number
Setting
Value
Setting Description
26
03 0.12 in. WG (30 Pa)
04 0.16 in. WG (40 Pa)
05 0.20 in. WG (50 Pa)
06 0.24 in. WG (60 Pa)
07 0.28 in. WG (70 Pa)
08 0.32 in. WG (80 Pa)
09 0.36 in. WG (90 Pa)
10 0.40 in. WG (100 Pa)
11 0.44 in. WG (110 Pa)
12 0.48 in. WG (120 Pa)
13 0.52 in. WG (130 Pa)
14 0.56 in. WG (140 Pa)
15 0.60 in. WG (150 Pa)
16 0.64 in. WG (160 Pa)
17 0.68 in. WG (170 Pa)
18 0.72 in. WG (180 Pa)
19 0.76 in. WG (190 Pa)
20 0.80 in. WG (200 Pa)
31
Standard 0.18 in. WG (45 Pa): 12/18/24 model
0.23 in. WG (57 Pa): 30/36/42 model
0.28 in. WG (70 Pa): 48 model
♦
32 Automatic airfl ow adjustment
* The range of static pressure is different by model.
For details, see the Fan performance curve of the technical data.
Model name Range of static pressure
12/18/24/30/36 model 0.12 to 0.8 in. WG (30 to 200 Pa)
42/48 model
0.12 to 0.72 in. WG (30 to 180 Pa)
Record the setting value of Function 26 in the Setting record table in “6. 1. Function de-
tails”.
b. Automatic airfl ow adjustment
CAUTION
• This function cannot be used when there is a booster fan between the ducts.
• Be sure that the static pressure is within the allowed range. Incorrect setting may
cause incorrect adjustment and may result in insuffi cient airfl ow or water leakage.
• When the external static pressure is changeable in the installation by use of auto-
matic changeable dampers, etc., set so that the external static pressure is the lowest.
NOTE:
Be sure to conduct this setting before any other operation. If the motor is warm or the heat
exchanger is wet, false detection may lead to incorrect adjustments.
Check if the electrical wirings and duct installations are complete.
If there is a damper installed in the system, make sure the damper is open.
Check if the air fi lter (optional) is attached.
If there are several inlet, outlet ports, make sure the airfl ow rates of each port match the
designed airfl ow rate by adjusting the throttles.
Automatic airfl ow adjustment is possible by the following procedures.
1) Change the setting of Function 26 to "Automatic airfl ow adjustment" (32).
2) Run the air conditioner on Fan mode (High).
* For instructions on how to operate the air conditioner, refer to the operation manual
of the remote controller.
During Automatic airfl ow adjustment, the mode will be fi xed at Fan mode (High).
When this function is active, do not operate the Outdoor unit.
3) The air conditioner will run for about 1 to 8 min. then stop automatically.
* Do not change the throttles of the inlet and outlet ports during operation.
When used in a Group control system, the setting will take about 10 min.
4) Turn the air conditioner off and on again.
5) Check the setting value of Function 26 and record the obtained setting value in the
following table.
* If the setting value has not changed, repeat the procedure from step 1.
Function Number Setting value
26
CAUTION
• If the detected setting value is not within the range of static pressure, please check
and re-arrange the installation, then repeat the procedure from step 1. Incorrect set-
ting may result in insuffi cient airfl ow or water leakage.
• When the duct or outlet installations are changed after the Automatic airfl ow adjust-
ment is completed, repeat the procedure from step 1.
7. 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 Check box
Has the indoor unit been installed correctly?
Has there been a check for gas leaks (refrigerant pipes)?
Has heat insulation work been completed?
Does water drain easily from the indoor units?
Is the voltage of the power source the same as that indicated on the label
on the indoor unit?
Are the wires and pipes all connected completely?
Is the indoor unit grounded?
Is the connection cable the specifi ed thickness?
Are the inlets and outlets free of any obstacles?
After installation is completed, has the proper operation and handling
been explained to the user?
Operate the unit according to the operating manual provided, and check
that it is operating normally.
8. TEST RUN
8. 1. Check items
□ Is operation of each button on the remote control unit normal?
□ Does each lamp light normally?
□ Is the drain normal?
□ Do not have an abnormal noise and vibration during operation?
Do not operate the air conditioner in test run for a long time.
9381386246_IM.indb 139381386246_IM.indb 13 12/18/2018 4:09:49 PM12/18/2018 4:09:49 PM