12
4.2.3 Activation of indoor unit operating parameter modification menu
Unit parameters can be set in unit On or Off status:
1.
Long press “FUNCTION” button for 5s and the temperature zone displays “
C00
”; long press “FUNCTION” button for another 5s to enter the interface of setting wired con-
troller parameters. “
P00
” is displayed in temperature zone.
2.
Press “+” or “-” button to select parameter code. Press “MODE” button to enter parameter setting. At that time, parameter value is blinking.
3.
Press “+” or “-” button to adjust the parameter value and press “ENTER” button to finish setting.
4.
Press “ENTER” button to return to last step until exists setting parameters.
The parameter setting list is as following:
Index
parameter
Function
Range
Default
Description of operating parameter
P11
Enable infra-red remote controls
00: NOT enabled
01: enabled
01
This parameter is used to enable or disenable the infra-red remote controls
on the system (if envisaged); this parameter can ONLY be set from the panel
of the master indoor unit.
P13
Set the address of the wired panel
01: MASTER panel
02: SLAVE panel
01
This parameter is used to set the address to be assigned to the wired panel;
this parameter is used if two panels are connected to the same machine or
the same group in order to set two different addresses.
P14
Set the number of units in the
group
00: test disenabled
01-16: group with ... units
01
This parameter performs a test on the group (if a group has been created)
in order to specify how many indoor units belong to it. This test checks
whether the number set in the parameter matches the number of units
detected by the system in the group; if this function is disenabled (value 00)
and the wired panel manages a group, no alarms will be displayed for any
malfunctions in this group.
P16
Set unit of measure
00: °C
01: °F
00
This parameter specifies which unit of measure is used to display
temperatures.
P30
Set static pressure of indoor fan
motor
01-09: static pressure level of
indoor fan motor
05
-
P42
Setting the serial address of the
indoor unit
1~36 (for CC2) / 1~255 (for
BMS)
---
Setting indoor unit address when it is connected to a CC2 centralized
controller or a third party management system (BMS).
P46
Clear Filter / Clean accumulated
time
00: do not clear
01: clear
00
-
P71
Set Setback Function
01: deactivated
01: activated
00
-
P72
Temperature upper limit for
Setback Function
20~30°C
(68~86°F)
26°C
(79°F)
When temperature unit is °C, temperature upper limit – temperature lower
limit ≥ 4°C;
When temperature unit is °F, temperature upper limit – temperature lower
limit ≥7°F.
P73
Temperature lower limit for Setback
Function
16~26°C
(61~79°F)
20°C
(68°F)
P74
When inserting the card, whether
to resume to previous status
00: no
01: yes
01
When it is set as 00, it will keep the status after inserting the gate control
card, that is, if it is OFF status when pulling out the card, when inserting the
card, it is still OFF status.
P83
Temperature control method under
cooling mode
00: Ambient temperature
control
01:Temperature and humidity
correction control
Depending on Indoor
unit
NOTE: Only applicable to the unit which is with temperature and humidity
correction control function
P87
Interval of Set temperature in
Celsius
00: 1°C
01: 0.5°C
01
01: The set temperature will be adjusted at 0.5°C.
00: The set temperature will be adjusted at 1°C.
NOTE:
1.
Under parameter setting status, “FAN”, “TIMER” and “SWING” button are invalid. Press “
” button to go back to home page, but not turning on/off the unit.
2.
Under parameter setting status, the signal from remote controller is invalid.
WARNING:
accidental modification of these parameters may cause malfunctions or block the entire system; reminder: setting or modifying these parameters must
ONLY be performed by the technical assistance service or personnel having the necessary technical skills.
