Installation Of Wired Controller And Project Debugging - Gree FGR20/BNa-M Service Manual

3.2.2 Instruction to Function of Buttons
No. Description
1 Enter/cancel
▲
2
▼
6
3 Fan
4 Mode
5 Function
7 Timer
8 On/off
4 Mode
Memory function
and 2 ▲
2 ▲
Lock
and 6 ▼
4 Mode and
Enquiry and setting of
address of wired controller
5 Function
Setting Ambient Temperature
5 Function
Sensor and three Grades
And 7Timer
of Speed for Indoor Fan
5 Function
Enquiry of Historical Errors
and 6▼

3.3 Installation of Wired Controller and Project Debugging

3.3.1 Installation of Wired Controller
No. 1
Socket's base box
Description
installed in the wall
Fig.3.4: Sketch for Installation of Wired Controller. Pay attention to the following items during installation of
wired controller:
1). Cut off power supply of heavy-current wire embedded in mounting hole in the wall before installation. It
is prohibited to perform the whole procedure with electricity.
Table 3.2
(1) Function selection and canceling;
(2) Press it for 5s to enquiry the outdoor ambient temperature.
(1) Running temperature setting of indoor unit, range :16 ～ 30°C.
(2) Timer setting, range:0.5-24hr.
(3) Switchover between quiet/auto quiet .
Setting of high/middle/low/auto fan speed.
Setting of cooling/heating/fan/dry mode of indoor unit.
Switchover among these functions of air/sleep/turbo/save/e-heater/blow/quite.
Timer setting.
Turn on/off indoor unit.
Press Mode and ▲for 5s under off state of the unit to enter/cancel key memory function
(If memory is set, indoor unit will resumer original setting state after power failure and
then power recovery. If not, indoor unit is defaulted to be off after power recovery. Memory
function is defaulted to be off before outgoing.)
Upon startup of the unit without malfunction or under off state of the unit, press ▲ ▼ key
at the same time for 5s in to lock state. In this case, any other buttons won't respond the
press. Repress ▲ ▼ key for 5s to quit lock state.
Under the off-state of the unit, press Mode/Function button for 5 seconds to set the
address.
Under off state of the unit, press Function and Timer buttons continuously for 5s to go to
the debugging menu. Press Mode button to adjust the setting items and ▲ or ▼ button to
set the actual value.
Continuously press Function and ▼ buttons for 5s to go to the enquiry state. In this
state, press Enter/Cancel button to quit, or it will automatically quit after there is not any
operation of button in 30min.
Fig.3.4: Sketch for Installation of Wired Controller
2
Soleplate of controller
Duct Type Split Air Conditioner
Function of Button
3 4
Front panel of
Screw M4X25
controller
Service Manual
5
Screw ST2.2X6.5
CONTROL
21