Trouble Shooting; Electric Throttle Part Installation - MDV -D28Q4/N2 Installation Manual

TROUBLE SHOOTING

No. Type
Contents
The evaporator sensor
Malfun-
check point is abnomal ,
1
or room temp.sensor is
ction
abnormal.
Malfun- Indoor/outdoor unit com-
2
munication is abnormal.
ction
Condenser sensor check
3 point is abnormal or outdoor
Malfun-
temp. sensor is abnormal.
ction
4
Water level switch is
Malfun-
abnormal
ction
5
Mode conflict
Alarm
INSTALL ELECTRIC THROTTLE PART
Please refer to the following figures to install.
The installation size is as follows:
266
215
NOTE
The electric throttle part should be installed vertically upward ,the slant and invertion are not allowed.
Use two spanners to connect the electric throttle parts with indoor/outdoor pipes to avoid the copper pipe cracking.
Please pay attention to the connection orientation when connecting.(Refer to the label sticking on the electric throttle part.)
The size of electric throttle part : 215(L)X165(W)X75(H)mm.
The electric throttle part wires group connector is corresponding to the connector CN 15 on the indoor PCB.
LED Lamp flash
Run lamp flashes After the malfunctions
at 2.5Hz. disappear, it restores
automatically.
After the malfunctions
The timer lamp fla-
disappear, it restores
shes at 2.5Hz.
automatically.
All the indoor alarm
After the malfunctions
lamps flash at 0.5Hz.
disappear, it restores
automatically.
Alarm lamp flashes If the malfunctions can t
be solved in three min.
at 2.5Hz.
all the indoor alarm
lamps flash at 0.5Hz.
Turn off the power to restore.
When the indoor unit turns
Defrost lamp
to heating mode or is turned
flashes at 2.5Hz.
off, the alarm will disappear.
Electric throttle part wires group
Indoor unit input pipe
Electric throttle part pipe joint
Indoor unit input pipe joint
15
Remarks
Run lamp
Timer lamp
Defrost lamp
Alarm lamp
Vertically upward install
Connection pipe copper nut joint
Electric throttle part pipe joint
Manual Switch