Gree DC Inverter Multi VRF

DC INVERTER MULTI VRF CONTROL
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11) About functional DIP swicth S7 ( for Na-K series)
Before the mainboard is electrified, the setting of DIP swicth S7 must be finished, this switch will decide
the working mode of indoor unit; the position of ducted units is 4, and other machine is 3.
Functional description as follows:
DIP swicth silk
print
Functional Description Dialing on Dialing off
1（S / R）
Selecting of memory mode:
A. Electrifying renew mode and electrifying
standby mode select;
B. This function is effective without wired
controller.
Electrifying
standby
Electrifying
renew
2（L / I）
Selecting of wired controller and receiver head
A. If you select wired controller the function of
receiver head will be shield;
B. If you select receiver head the wired
controller can not work.
Selected
wired
controller
Selected
receiver head
3（M / S）
Setting of master / slave indoor unit:
A. To slove the problem of mode conflict;
B. This function will be effective when
controlled without wired controller.
Master indoor
unit
Slave indoor
unit
4（I / O）
Selecting of ambient temperature sensor (Only
for ducted units):
A. Selecting of mainboard ambient
temperature sensor(T
Ambient
and receiver head
temperature sensor(T
Ambient1
);
B. This function will be effective when
mainboard controlled without wired controller.
Ambient
temperature
sensor on
mainboard is
selected
Ambient
temperature
sensor on
receiver head is
selected
Functional description of master / slave indoor unit:
◆ This function is effective without wired controller. if it has wired controller, the master / slave unit function is
operated by wired controller;
◆ The complete unit will judge automatically. it will select the minimum indoor unit address code and minimum
pinboard address code as master indoor unit.
◆ Once the indoor unit address is decided, the operation mode of the complete unit will follow the operation mode
of the selected unit. For example, if the master indoor unit is in cooling (heating) mode, the outdoor will operate
under cooling(heating) mode, and any indoor units which operate under cooling (heating) mode will show mode
conflict.
◆ When the master indoor unit meets power failure or is turned off, the unit mode will be treated as the former
mode conflict, i.e. the operation mode of the indoor unit mode is the operation mode of the complete unit.
About functional DIP swicth S7 ( for Cassette Type)
The 3-bit dial switch must be set before energizing the main board and it determines running state of
indoor unit.
Function of it is as follow:
Dial switch
Silk screen
Function Dial ON Dial OFF
1（S / R）
Selection of memory mode:
A：Selection between reset mode and standby mode after
energizing
B：This function is available without wired controller.
Standby
after
energizing
Reset after
energizing
2（L / I）
Selection between manual controller and receiver
A：If manual controller is selected, remote-control function of
receiver will be shielded.
B：If receiver is selected, wired controller will be non-effective.
Selecting
wired
controller
Selecting
receiver
joint