GRUPAd.o.o.
28
Temp. dispaly area: [system aXX, herein XX is the hex digit, press TIME +/- button to change in
0-3F, and the preliminary is 00; press SET to confirm the setting and quit out; if press the other buttons
or no any operation in 15 seconds, quit the setting automatically and keep the set of last time.
c. Query indoor malfunction history
In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all indoor
units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will be displayed
in some sequence (unit number is in decimals). At the same time, in the time region,
there will be the current malfunction and the latest time malfunction, the displaying format is [XX:YY], in which
XX stands for the current malfunction, if normal, it will display --; YY stands for the latest time malfunction.
The failure code of every unit will display for 3 seconds. After the failure codes of all indoor units in the whole
group are displayed, the mode will quit automatically.
d. Clear abnormal state and malfunction history
In normal state, press [CHECK] button for 5 seconds, the malfunction history in wired controller will be cleared.
e. Query indoor performance state:
In normal state, press both buttons of [CHECK] and [FILTER] for 5 seconds, in the set temperature region in
the screen, [XX] will display, XX is indoor number, which can be selected by pressing [TEMP] [+] [-]. In the
timer region in the screen, [YZZZ] will display, in which Y stands for data type, ZZZ stands for the corresponding
data. which can be selected by pressing [CLOCK] [+] [-].
Press CHECK to quit the query state and back to the normal state.
f. Compulsorily defrost
In heating mode, D2 is in short circuit, it will enter compulsorily defrost mode; cut off D2, it will quit.
g. Shorten time function
In normal operation, D1 is in short circuit, it will enter shorten time mode, and the time will be shortened
in the proportion of 60:1. In shorten time mode, LED will flash at the frequency of 0.5 second. Cut off
D1, it will quit the shorten time mode and return to the normal operation mode.
H. Difference between master wired controller and slave wired controller
item
master wired controller
function
all functions
Y
ZZZ
Type
A
B
C
D
Temperature of indoor ambient temp. sensor TA
Temperature of indoor gas pipe temp. sensor TC1
Temperature of indoor liquid pipe temp. sensor TC2
Indoor EEV open angle
Actual value, decimal
Actual value, decimal
Actual value, decimal
Actual value/2, decimal
slave wired controller
only can set ON/OFF, MODE, FAN, SET TEMP,
SWING
Summary of Contents for MRV II AV08NMVERA
Page 6: ...G R U P A d o o 06 2 Wiring work...
Page 40: ...G R U P A d o o 40...
