SERVICE MANUAL
Spilt Air Conditioner unit
Ceiling & Floor Type
FSPI-180AE1 / FSOIF-180AE1
FSPI-240AE1 / FSOIF-240AE1
FI_SM_FSPI-180-240-AE1_20131010
1
Part 1
Indoor units
1. Features ..................................................................... 3
2. Dimensions ................................................................ 4
3. Service Space............................................................. 5
4. Wiring Diagrams ........................................................ 6
5. Electric Characteristics ............................................. 7
6. Sound Levels ............................................................. 7
7. Accessories ................................................................ 8
8. The Specification of Power ........................................ 8
9. Field Wiring ................................................................ 9
Features
1. Features
1.1. New design, more modern and elegant appearance.
1.2.
1.2. Convenient installation
--The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow
--It is especially useful when installation of an air conditioner in the center of the ceiling is impossible
due to a structure such as one lighting.
1.3. Two direction auto swing (vertical & horizontal) and wide angle air flow,
--Air flow directional control minimizes the air resistance and produces wilder air flow to vertical
direction.
--The range of horizontal air discharge is widened which secures wider air flow distribution to provide
more comfortable air circulation no matter where the unit is set up
1.4. Three level fan speed, more humanism design, meets different air-supply requirement.
1.5. New foam drain pan with plastic-spraying inner surface
1.6. Easy operation.
1.7. Remote control and optional wired control method.
3
Dimensions
2. Dimensions
Capacity (Btu/h) A B C D E
18K, 24K 1068 675 235 983 220
Service Space
3. Service Space
5
Wiring Diagrams
4. Wiring Diagrams
18k , 24k indoor
Electric Characteristics
5. Electric Characteristics
Model
18k 50 220-240 198 254 15
24k 50 220-240 198 254 15
Note:
MFA: Max. Fuse Amps. (A)
6. Sound Levels
Air outlet side
1m
Microphone
Indoor Units Power Supply
Hz Voltage Min. Max. MFA
Microphone
1m
1m
1.5m
Ceiling Floor
Model
18k 56 40 36 33
24k 62 50 48 43
Sound Power
dB (A)
H M L
Noise level dB(A)
7
Accessories
7. Accessories
1. Remote controller
Remote controller & Its
2. Remote controller holder
holder
3. Mounting screw (ST2.9×10-C-H)
4. Alkaline dry batteries (AM4)
5. Owner's manual
Others
6. Installation manual
7. Remote controller manual
8. The Specification of Power
Model 18k 24k
INDOOR UNIT POWER
OUTDOOR UNIT POWER
Indoor/Outdoor Connecting Wiring
(Weak Electric Signal) (mm2)
Indoor/Outdoor Connecting Wiring
(Strong Electric Signal) (mm2)
Phase 1-phase
Frequency and Voltage 220-240V, 50Hz
POWER WIRING (mm2) 3×1.5
CIRCUIT BREAKER (A) C10
Phase 1-phase
Frequency and Voltage 220-240V, 50Hz
POWER WIRING (mm2) 3×2.5
CIRCUIT BREAKER (A) C16
shielded 3×0.5
1
1
2
2
1
1
1
Outdoor Units
9. Field Wiring
Outdoor Units 9
Outdoor Units
Part 2
Outdoor Units
1. Dimensions .................................................................................................... 11
2. Service Space ................................................................................................ 12
3. Piping Diagrams ............................................................................................ 13
4. Wiring Diagrams ........................................................................................... 14
5. Electric Characteristics ................................................................................ 15
6. Operation Limits ........................................................................................... 16
7. Sound Levels ................................................................................................. 17
10 Outdoor Units
Dimensions
1. Dimensions
Model
18k 842 560 335 360 312 324 695
24k 895 590 333 355 302 313 862
A B C D E F H
Unit：mm
Outdoor Units 11
Service Space
2. Service Space
(Wall or obstacle)
More than 30cm
Air inlet
Air inlet
Air outlet
More than 30cm
More than 60cm
More than 200cm
More than 60cm
Maintain channel
12 Outdoor Units
Piping Diagrams
3. Piping Diagrams
18k, 24k
INDOOR OUTDOOR
HEAT
EXCHANGE
(EVAPORATOR)
T2 Evaporator
temp. sensor
T1 Room temp.
sensor
LIQUID SIDE
2-WAY VALVE
GAS SIDE
3-WAY VALVE
CAPILIARY TUBE
Accumulator
Low pressure
switch
Compressor
Electronic
expansion valve
T4 Ambient
temp. sensor
4-WAY VALVE
High pressure switch
T5 Discharge
temp. sensor
T3 Condenser
temp. sensor
HEAT
EXCHANGE
(CONDENSER)
COOLING
HEATING
Outdoor Units 13
Wiring Diagrams
4. Wiring Diagrams
18k,24k
14 Outdoor Units
Electric
5. Electric Characteristics
Characteristics
Model
18k 50 220-240V 198V 254V
24k 50 220-240V 198V 254V
Hz Voltage Min. Max.
Outdoor Unit
Outdoor Units 15
Operation Limits
6. Operation Limits
Temperature
Mode
Room temperature ≥17℃ ≤30℃
Outdoor temperature
Cooling operation Heating operation
-15℃～50℃ -15℃～24℃
CAUTION:
1. If the air conditioner is used beyond the above conditions, certain safety protection features may come
into operation and cause the unit to operate abnormally.
2. The room relative humidity should be less than 80%. If the air conditioner operates beyond this figure, the
surface of the air conditioner may attract condensation. Please set the vertical air flow louver to its maximum
angle (vertically to the floor), and set HIGH fan mode.
3. The optimum performance will be achieved during this operating temperature zone.
16 Outdoor Units
Sound Levels
7. Sound Levels
Outdoor Unit
Microphone
H
1.0m
Note: H= 0.5 × height of outdoor unit
Model Sound Power dB(A)
18k 65
24k 69
Outdoor Units 17
Installation
Part 3
Installation
1. Installation Procedure ...................................................... 19
2. Location selection ............................................................ 20
3. Indoor unit installation ..................................................... 21
4. Outdoor unit installation (Side Discharge Unit) ............ 24
5. Refrigerant pipe installation ............................................ 25
6. Drainage pipe installation................................................ 26
7. Vacuum Drying and Leakage Checking ......................... 31
8. Additional refrigerant charge .......................................... 32
9. Engineering of insulation ................................................ 33
10. Engineering of electrical wiring ...................................... 34
11. Test operation ................................................................... 35
18 Installation
Installation Procedure
1. Installation Procedure
Indoor unit installation
location selection
Indoor unit installation Outdoor unit installation
Refrigerant pipe
installation and insulation
Drainage pipe installation
and insulation
Outdoor unit installation
location selection
Refrigerant pipe
installation and insulation
Drainage pipe installation
and insulation
Vacuum drying and leakage checking
Additional refrigerant charge
Insulation the joint part of refrigerant pipe
Wiring connection and electric safety checking
Test operation
Installation 19
Location selection
2. Location selection
2.1 Indoor unit location selection
The place shall easily support the indoor unit’s weight.
The place can ensure the indoor unit installation and inspection.
The place can ensure the indoor unit horizontally installed.
The place shall allow easy water drainage.
The place shall easily connect with the outdoor unit.
The place where air circulation in the room should be good.
There should not be any heat source or steam near the unit.
There should not be any oil gas near the unit
There should not be any corrosive gas near the unit
There should not be any salty air neat the unit
There should not be strong electromagnetic wave near the unit
There should not be inflammable materials or gas near the unit
There should not be strong voltage vibration.
2.2 Outdoor unit location selection
The place shall easily support the outdoor unit’s weight.
Locate the outdoor unit as close to indoor unit as possible
The piping length and height drop can not exceed the allowable value.
The place where the noise, vibration and outlet air do not disturb the neighbors.
There is enough room for installation and maintenance.
The air outlet and the air inlet are not impeded, and not face the strong wind.
It is easy to install the connecting pipes and cables.
There is no danger of fire due to leakage of inflammable gas.
It should be a dry and well ventilation place
The support should be flat and horizontal
Do not install the outdoor unit in a dirty or severely polluted place, so as to avoid blockage of the heat
exchanger in the outdoor unit.
If is built over the unit to prevent direct sunlight, rain exposure, direct strong wend, snow and other scraps
accumulation, make sure that heat radiation from the condenser is not restricted.
More than 30cm
More than 60cm
More than 30cm
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More than 60cm
More than 70cm
(Service space)
20 Installation
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