Fisher FSKMIF-71AE2-EU User manual

SERVICE MANUAL
Room Air Conditioner
Multi Split Type Indoor units
Light Commercial Series
FSKMIF-71AE2-EU
FSKMIF-91AE2-EU
FSKIF-121AE2-EU
FSKMI-181AE2-EU
FSLMIF-71AE2
FSLMIF-91AE2
FSLIF-121AE2
FSLMI-180AE2
FSFMIF-70AE2
FSFMIF-90AE2
FSFIF-121AE2
FSFMIF-180AE2
NOTE:
Before servicing the unit, please read this at first.
Always contact with your service center if meet problem.
FI_SM_MULTI LCAC INDOOR UNITS_161206


CONTENTS
1. General information of Indoor Units ..............................1

2. Features .............................................................................2
3. Dimensions...................................................................... 8
4. Service Space (unit: mm) ...............................................11
5. Wiring diagram................................................................13
6. Static Pressure (Duct) ....................................................16
7. Operation temperature range ........................................18
8. Electronic function .........................................................19

※The specifications, designs, and information in this book are subject to change without notice for
product improvement.

1
1. General information of Indoor Units
Four-way cassette (compact) Duct
Console
Model
Four-way cassette
(compact)
Duct
Console
FSKMIF-71AE2-EU
FSKMIF-91AE2-EU
FSKIF-121AE2-EU
FSKMI-181AE2-EU
FSLMIF-71AE2
FSLMIF-91AE2
FSLIF-121AE2
FSLMI-180AE2
FSFMIF-70AE2
FSFMIF-90AE2
FSFIF-121AE2
FSFMIF-180AE2

2
2. Features
2.1 Four-way cassette type(compact)
⑴New panel
360°surrounding air outlet design, affords comfortable feeling
⑵ Compact design
The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for
installation and will not damage the decoration. The panel size is 647×50×647mm.
The hooks are designed in the four corners of the body, which can save installation space.
⑶ Electric control box built-in design
The E-box is simply and safely built inside the indoor unit. It’s convenient for installation and
maintenance. Can check the control part easily, you only need to open the air return grille.

3
Fresh air fulfills air quality more healthy and comfortable.
⑸ Air passage function
Reserves the space for air outlet from the side of indoor unit; It’s avail ed to connect air duct
from the two sides to the nearby small rooms.
Dimension:Φ75mm
Fresh
Ai
r
⑷ Fresh air intake function:

4
2.2 Duct
⑴ Installation accessories: (Optional)
Front Board, Canvas Air Passage, Filter, Panel, for easy installation
⑵ Easy Installation: Two air inlet styles (Bottom side or Rear side)
Air inlet from rear is standard for all capacity; air inlet from bottom is optional.
The size of air inlet frame from rear and bottom is same, it’s very easy to move the cover from bottom to
rear side, or from rear to the bottom, in order to matching the installation condition.
⑶ Fresh air intake function
Install one duct from the reserved fresh-air intake to outdoor.
Continually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and
comfortable.
Front Board Filte
r
Panel
Air intake from rear (Standard) Air intake from bottom (Optional)

5
It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or
bottom side.
Replace the motor or centrifugal fan
Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with
centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily.
⑸ Reserved remote on-off and central control ports
Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a
central controller to realize remote on-off control function or group control function.
Motor
Blower Housing
Ventilated Panel
⑷ Easy maintenance
Clean the filter (Optional, standard product without filter)
Remote on-off ports Central control ports

6
⑹ Built-in drain pump (Optional):
Built-in drain pump can lift the water to 750mm upmost. It’s convenient to install drainage piping under
most space condition.
⑺
Built-in display board
The standard indoor unit can be controlled by wired controller.
There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even
in the distance of 10m. The unit will realized remoter control.
The wired controller and the display board can display the error code or production code when the chips
detect some failure.
750mm upmost
Display
Wired Controller (Standard) Remote Controller (Optional)

7
2.3 Console
(1) Consumes up to 30% less energy than non-inverter units
——DC inverter compressor
——indoor fan motor adopts DC motor
(2) Achieves set temperature more quickly
——air supplying from top and bottom or from top only
——air inlet from four directions
(3) Compact unit body, space saving
——this unit body is very thin and harmonious with room. It is beautiful, elegant and space saving.
——lightweight and compact.
(4) Flexible installation.
——can be used for floor standing or lower wall applications
——as a floor standing floor model, it can be semi or fully recessed without loss of capacity.
(5) High efficiency filter
——built in Formaldehyde nemesis filter
——active-carbon and biological anti-virus filter is optional.
(6) Comfort
——flexible air blow: vertical auto swing and wide angle louvers ensure that warm air reaches the furthest
corners of the room and increase the air flow coverage
——Low noise operation, lowest to 23Db
——Low starting power and precise room temperature adjustment
(7) Powerful mode can be selected for rapid cooling or heating.
(8) Easy cleaning grille and maintenance
(9) Indoor unit adopts DC motor, it has five level fan speed meet different requirements.