Air Curtain Service Manual - Innovair

1

Air Curtain Service Manual

ACS ModelsPROBLEMS AND REPAIRING STEPS

REPAIRING OPERATING

Caution: Before repairing, please make sure that the air curtain’s power cord is disconnected and

without electricity.

Tools：Cross head of screw driver、Nipper pliers、Multimeter

USUAL

PROBLEMS POSSIBLE CAUSE REPARING STEPS

The unit is

Powered on

but cannot

working.

The remote control’s lead cable possible

loose.

Please read the step A to open the faceplate to

plug the lead cable tightly.

The other lead cables possibly broken.

Please read the step A to open the faceplate, to

use the multimeter to test the lead cables broken

or not, if yes, please replace the lead cables.

The PCB or capacitor possible broken.

Please read the step A to open the faceplate to

check, if the PCB or capacitor is burnt, please

see the step G, H to replace accordingly.

The unit is

running bad or

working with

noise.

The wind wheel(s) possible bad. Please read the step A to step F to change the

wind wheel.

The motor’s shafts have rubbish. Please read from step A to step F to clean the

unit’s body and the motor’s shafts.

The motor and wind wheel’s screws

possible loose.

Please read step A and step B to check the

screws of the motor and wind wheel whether

loose, if yes, please retighten the screw.

Warmly note: Other problems out of the above, please contact the factory for solutions.

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REPAIRING

STEPS

REPAIRING

OPERATION DIAGRAMMATIZE

A.

How to take

down the

faceplate①

Firstly with the cross

head of screw driver to

take down the screws on

the faceplate in order to

loosen the faceplate from

the body, then turn over it

to find the head cable of

the receiver on the left

side and unplug it, after

that, remove the face

plate and put away.

B.

How to take

down the

faceplate②

Secondly to remove the

two small plastic covers

on the outlet, with a head

cross screw driver to

loosen the screws, then

to take down the

installation plate and put

it away.

C.

How to take

down the

motor

reinforcement.

To loosen the motor

reinforcement’s screws

on the body’s back by the

cross head of screw

driver, then to take down

the motor’s reinforcement

D.

How to take

down the wind

wheel①

Firstly to take down the

bearing holders of right

and left wind wheel by the

cross head of screws

driver.

Face plate

Installation plate

Motor reinforcement

Motor reinforcement’s

screws on the back

Bearing

holder

Plastic cover

©2015 Innovair Corporation. All Rights Reserved. www.innovair.com

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E.

How to take

down the wind

wheel②

Secondly please turn

over the body, you can

see the 4pcs of screws

near the power cord,

please use the cross

head of screw driver to

take them down, then to

loose the motor on the

body(but don’t take the

motor directly because

the head cables still

connected).

F.

How to take

down the wind

wheel③

Thirdly the right and left

wind wheel’s side that

near the motor, each has

one screw inside, please

loose the screws and

hold up the motor lightly,

then to take down the two

wind wheels.

G.

How to take

down the

motor.

To open the insulated

terminals by the nipper

pliers and to loosen the

lead cables, then to take

down the motor.

H.

How to take

down the PCB

and the

capacitor.

To loosen the screws of

the PCB and the

capacitor, then you can

take down the PCB and

the capacitor.

I.

How to take

down the wind

deflector.

To loosen the wind

deflector supporter, then

to take down the wind

deflector.

The 4pcs of screws

Wind wheel’s

crews

Lead cables Insulated terminal

The 2pcs of screws of PCB.

Ground screw Capacitor

The crews of capacitor

PCB

The wind deflector

The wind deflector supporter

©2015 Innovair Corporation. All Rights Reserved. www.innovair.com

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WIRING DIAGRAM

THERMAL CUT-OUT

DOUBLE SPEED SWITCH WIRING DIAGRAM

YELLOW-GREEN

(YELLOW)

BLACK

WHITE

BLUE(BROWN/RED)

YELLOW

ORANGEC

K2 OFF

3 HI

1 LO

LN

DOUBLE SPEED INFRARED REMOTE CONTROLLED WIRING DIAGRAM

THERMAL CUT-OUTYELLOW-GREEN

WHITE

RECEIVERI/O

BLUE(BROWN/RED)

CYELLOWBLACK

(YELLOW)ORANGE

RECEIVERI/C

GREYWHITE

NL

BROWN

BLUE

Caution: Any repair problems relative to the cables, please re-connect the wiring according to

the wiring diagram, special note that ground wire must connect correctly in order to avoid safe

accident.

©2015 Innovair Corporation. All Rights Reserved. www.innovair.com