PREMTC00U Installation Manual

24
INSTALLER SETTING
ENGLISH
INSTALLER SETTING
25
ENGLISH
h Some contents may not be displayed depending on the product function.
Code
No.
Function Name Value Description
37
Hold
enable/Disable
00 : Hold disable (Default)
01 : Hold enable
Prevent or allow user to select hold function.
38
Air conditioner
fan operation
interlocked with
ventilation
00 : Fan low(Default)
01 : Fan off
If cassette has a ventilation kit installed then
it is desirable to limit air from flowing through
the air filter in a direction opposite of design
flow.
39
IDU auto start
setting
00 : Enable auto restart (Default)
01 : Disable auto restart
Installer to select if IDU should be on or off
after power is restored to IDU.
40
Occupancy
duration time
setting
00 : 0 minute (Default)
01 : 10 minutes
02 : 30 minutes
03 : 60 minutes
Time that IDU is on after transition to
occupied mode.
41
Simple dry
contact setting
(CN_CC
connection)
00 : Simple dry contact auto
identification (Default)
01 : Disable the function.
02 : Enable simple dry contact
function
03 : Enable simple dry contact
function with CN_EXT port
This function is used when simple dry
contact unit is additionally installed in the
indoor unit or the installed simple dry contact
unit is removed.
46
Setting the fan
continuous
00 : Not used
01 : Used
It is the function to set the continuous
operation of the indoor fan.
Even if the room air temperature reaches the
set point through the indoor unit operation it
is the ability to keep set fan speed longer
than does not setting.
47
Outdoor unit
function setting
master/slave
00 : Outdoor unit function slave
01 : Outdoor unit function master
This function make connected indoor unit as
a master indoor unit that can set functions
related to outdoor unit operation. Outdoor
unit accepts for only one indoor unit that can
set functions related to outdoor unit
operation.
48
Function of
indoor unit silent
mode
00 : Not used
01 : Silent mode low
02 : Silent mode high
It is the function to reduce the refrigerant
noise occurred at the initial stage of the
operation of the indoor unit at the heating
mode.
49
Setting the
outdoor unit
defrost mode
00 : Not used
01 : Forced remove piled snow mode
02 : Fast defrost mode
03 : Forced remove piled snow and
fast defrost mode
It is the function to select the defrost or
snow remove function of the outdoor unit.
51
Setting
temperature-
based fan speed
'auto‘
00 : Not used
01 : Use temperature-based fan
speed 'auto'
Temperature-based fan speed 'auto' function
is the function to change the fan speed
according to the difference between the
room temperature and the set point.
Code
No.
Function Name Value Description
52 CN_EXT
00 : Use installer code No. 41 setting
value
(simple dry contact setting value)
01 : Simple operation on/off
02 : Simple dry contact
(It takes HL when operation is
off.)
03 : Indoor unit single emergency
stop
04 : Occupied / unoccupied
05 : Indoor unit all emergency stop
※It can be set only when there is
indoor unit emergency stop
function.
06 : Window contact
※It can be set only when there is
window contact function.
07 : Window contact lock
※It can be set only when there is
window contact lock function.
It is the function to set a purpose of digital
input port(CN_EXT) of indoor unit PCB.
56
Outdoor unit
cycle priority
<Select mode> < Step >
00 : Not use [Not use, Standby]
01 : Standby None
02 : Cool [Cool]
0~5 Step
It is the function to clear the limit and set the
operation mode when it is cleared, to be able
to select the operation mode opposite to the
operation mode of the outdoor unit currently
in operation while the connected product is in
slave mode.
57
Outdoor
temperature for
heating stages
<Select mode> <Setting range>
01 : Use/Not use [Use/Not use]
02 : T1 None
03 : △T [T1 setting range]
-10~60°F(-23~16°C)
[△T setting range]
0~70°F(0~35°C)
It is a function that sets outdoor temperature
values for two stage heating. If user set
outdoor temperature T1 and △T, indoor unit
will select heating stage between indoor unit
operation and heater operation.
61
Room
temperature
compensation
Compensation temperature
setting range :
-10°F ~ 10°F(-5°C ~ 5°C)
This function adjusts the room temperature
displayed on the product to match the actual
room temperature.
64
Air volume
control
00 : Default
01 : +10%
02 : -10%
This function is available to change target air
volume.
67
Fan setting
during thermal
off
(Occupancy /
Operation mode)
Set the fan speed opreation during thermal
off condition according to occupancy and
operation mode.
This setting has the highest priority to all
related fan setting.
<Select mode>
00: Cooling /
Occupied
01: Cooling /
Unoccupied
02: Heating /
Occupied
03: Heating /
Unoccupied
<Step>
00: Not Used
01: Fan Low
02: Previous fan
Setting
03: Fan off