INVENTOR LV4MDI-07 Guide
• This manual gives detailed description of
the precautions that should be brought to
your attention during operation.
• In order to ensure correct service of the
wired controller please read this manual
carefully before using the unit.
• For convenience of future reference,
keep this manual after reading it.
1. SAFETY PRECAUTIONS................................................................3
2. INSTALLATION ACCESSORY.........................................................4
3. INSTALLATION METHOD. ..............................................................6
4. SPECIFICATION............................................................................12
5. FEATURE AND FUNCTION OF THE WIRED CONTROLLER...... 13
6. NAME ON THE LCD OF THE WIRE CONTROLLER....................14
7. NAME OF BUTTON ON THE WIRE CONTROLLER. ...................15
8. PREPARATORY OPERATION. .....................................................17
9. OPERATION..................................................................................18
10. TIMER FUNCTIONS......................................................................23
11. WEEKLY TIMER. ...........................................................................26
12. FAULT ALARM HANDING. ............................................................33
13. TECHNICAL INDICATION AND REQUIREMENT. ........................33
CONTENTS
3
1. SAFETY PRECAUTIONS
• Read the safety precautions carefully before installing the unit.
• Stated below are important safety issues that must be obeyed.
WARNING Means improper handling may lead to personal death or
severe injury.
CAUTION Means improper handling may lead to personal injury or
property loss.
WARNING
Please entrust the distributor or professionals to install the unit.
Installation by other persons may lead to imperfect installation, lectric shock or re.
Adhere to this installation manual.
Imporper installation may lead to electric shock or re.
Reinstallation must be performed by professionals, improper installation may lead to elec-
tric shock or re.
Do not uninstall the unit randomly.
Random uninstalling may lead to abnormal operation, heating or re of the air condition.
NOTE
1. Do not install the unit in a place vulnerable to leakage of ammable gases.Once amma-
ble gases are leaked and left around the wire controller, re may occure.
2. Do not operate with wet hands or let water enter the wire controller. Otherwise, electric
shock may occur.
3. The wiring should adapt to the wire controller current. Otherwise, electric leakage or
heating may occur and result in re.
4. The specied cables shall be applied in the wiring. No external force may be applied to
the terminal. Otherwise, wire cut and heating may occur and result in re.
4
2. INSTALLATION ACCESSORY
Select the installation location
Don’t install at the place where cover with heavy oil, vapor or sulfureted gas, otherwise,
this product would be deformed that would lead to system malfunction.
Preparation before installation
1. Please conrm that all the following parts you have been supply.
No. Name Qty. Remarks
1Wire controller 1
2Installation and owner’s manual 1
3Screws 3 M4X20 (For Mounting on the Wall)
4Wall plugs 3 For Mounting on the Wall
5Screws 2 M4X25 (For Mounting on switch box)
6Plastic screw bars 2 For xing on switch box
7The connective wires group 1 Optional
No. Name Qty. (embeded
into wall)
Specication (only for
reference) Remarks
1Switch box 1
2
Wiring Tube(lnsulating
Sleeve and Tightening
Screw)
1
2. Prepare the following assemblies on the site.
5
Precaution of install the wire controller
1. This manual provides the installation method of wire controller. Please refer to the
wiring diagram of this installation manual to wire the wire controller with indoor unit.
2. The wire controller working in low voltage loop circuit. Forbid to directly contact the
cable of 220Vcommercial electricity or of 380V high voltage, and don’t wire this kind
of wire in the said loop; wiring clearance between congured tubes should at the
range of 300~500mm or above.
3. The Shielded wire of the wire controller must be grounded reliable.
4. Upon nish the wire controller connection, do not employed tramegger to detect the
insulation.
5. The connective cable of wire controller should not be longer than 20 meters.
2. INSTALLATION ACCESSORY
6
Fig 3-3
CN40
-----------------------------------
-----------------------------------
-----------------------------------
-----------------------------------
red
black
yellow
brown
red
black
yellow
brown
3. INSTALLATION METHOD
1 .Wired remote controller structure size gure
Fig 3-1
120
122
18.5
83.5
46
62
2.Wiring Principle Sketch:
4-Core Shield Cable,
the length is decided
by installation
Insert of the
mainboard CN40
Indoor unit mainboard
Wire controller
7
Fig 3-3
CN40
Slots
3. INSTALLATION METHOD
3.Wiring gure
• Connect the female joint of wires group from the mainboard with the male joint of
connective wires group. (See Fig.3-3)
• Please connect the other side of connective wires group with the male joint of
wires group leads from wire controller. (See Fig.3-3)
4.Remove the upper part of wire controller
• Insert a slot screwdriver into the slots in the lower part of the wire controller (2 places),
and remove the upper part of the wire controller. (Fig.3-4)
NOTICE
The PCB is mounted in the upper
part of the wire controller. Be
careful not to damage the board
with the slot screwdriver.
4-core shielding wire
The connective wires group Mainboard
8
NOTICE
Put on a at surface. Be careful not to distort the back plate of the wire con-
troller by overtightening the mounting screws.
3. INSTALLATION METHOD
4. Fasten the back plate of the wire controller
• For exposed mounting, fasten the back plate on the wall with the 3 screws (M4x20) and
plugs. (Fig.3-5)
• For ush-mounting, fasten the back plate on the switch box with 2 screws (M4x25) and
fasten it on the wall with 1 screw (M4x20). (Fig.3-6)
Back plate
Back plate
Screws (M4x20)
Screws (M4x20)
Screws (M4x25)
Fig 3-5
Switch box
Fig 3-6
This manual suits for next models
17
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