TECHNICAL & SERVICE MANUAL
CASSETTE TYPE AIR-CONDITIONER
(One-way cassette)
FSK-94HF
FI-SM-040830
1
One-way Cassette Air-conditioner
Table of Contants
Part 1. Product Features 2
Part 2. Specification 3
Part 3. Noise Level 5
Part 4. Velocity ﹠ temperature distribution 6
Part 5. Operation Range 7
Part 6. Capacity Table 8
Part 7. Outlines and Dimension 9
Part 8. Electric Control Functions 10
Part 9. Wiring Diagram 16
Part 10. Installation 17
Part 11 Servicing and Maintenance 23
Part 12. Exploded view 26
NOTICE
Specifications are subject to change without notice for further improvement.
All the product information has been carefully checked.
Part 1. Product Features
1) Lower noise level
2) Smoother air flow with less turbulence
---Owing to the multiple-blade fan rotor and the air guide design, the airflow is getting smoother and more
comfortable
3) One direction air flow
---Quick cooling
4)
Stylish design
---Be harmonious with any interior decoration and creates an elegant environment
5) Ultra thin machine body
---Space saving: only 235mm
6)
Convenient installation
---Able to be flexibly installed in various corners
---Standardized sectional module
--- More flexible in routing the tube through the ceiling space due to the condensed water can be lift through
the drain pump up to 750mm above the drain port
7) Easier to do cleaning and maintenance
---Flat type suction grille of easy cleaning
2
3
Part 2. Specification
Model
FSK-94HF
Power supply V-Hz-Ph 220-240V~,50,1
Capacity Btu/h 9000
Capacity kW 2.65
Input W 1098
Rated current A 4.87
Cooling
EER Btu/w.h 2,42
Capacity Btu/h 10000
Capacity kW 2,95
Input W 1102
Rated current A 4.84
Heating
COP Btu/w.h 2,68
Moisture Removal L/h 1
Max. input consumption W 1320
Max. current A 6.2
Starting current A 20
Model PG180X1C-4DZ3
Type Rotary
Brand Toshiba
Supplier TOSHIBA(Guangdong)
Capacity Btu/h 10800
Input W 1015
Rated current(RLA) A 4.5
Locked rotor Amp(LRA) A 19.8
Thermal protector UP3SE0591-T61
Capacitor uF 30UF/440-450V
Compressor
Refrigerant oil ml 400
Model YSK20-4
Brand
Welling、Changheng
Input W 46
Capacitor uF 1.2UF/450V
Indoor fan
motor
Speed(hi/mi/lo) r/min 980/820/770
N
umber of rows 2
Tube pitch(a)x row pitch(b) mm 25.4x22
Fin spacing mm 1.6
Fin type (code) Hydrophilic aluminium
Tube outside dia.and type mm
φ9.53x0.35
Innergroove tube
Coil length x height x width mm 600 x216x44
Indoor coil
N
umber of circuits 1
Indoor air flow (Hi/Lo) m3/h 470/320
Indoor noise level (Hi/Lo) dB(A) 38/35
4
Dimension (W*H*D)(body) mm 850x235x400
Packing (W*H*D)(body) mm 1080x310x460
Dimension (W*H*D)(panel) mm 1050x18x470
Packing (W*H*D)(panel) mm 1120x172x540
N
et/Gross weight(body) kg 23/27
Indoor unit
N
et/Gross weight(panel) kg 4/7
Model YDK25-6C
Brand Welling
Input W 85
Capacitor uF 2.5uF/450V
Outdoor fan
motor
Speed r/min 900
N
umber of rows 1
Tube pitch(a)x row pitch(b) mm 25.4x22
Fin spacing mm 1.4
Fin type (code) Hydrophilic aluminium
Tube outside dia.and type mm
φ9.53x0.35
Innergroove tube
Coil length x height x width mm 754x508x22
Outdoor
coil
N
umber of circuits 2
Outdoor air flow m3/h 1900
Outdoor noise level dB(A) 42
Dimension(W*H*D) mm 780x540x250
Packing (W*H*D) mm 910x575x335
Outdoor
unit
N
et/Gross weight kg 36/39
Refrigerant type g R407c/850g
Design pressure MPa
1.2～3.5MPa
Liquid side/ Gas side mm(inch)
φ6.35/φ9.53(1/4”-3/8”)
Max. refrigerant pipe length m 15
Refrigerant
piping
Max. difference in level m 5
Connection wiring AWG#22
Plug type No
Controller Remote
Operation temp
℃ 17～30
Ambient temp
℃（-7～45）
Notes: 1. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB; Equivalent ref. Piping: 8m(horizontal)
2. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB; Outdoor temp: 7°CDB, 6°CWB; Equivalent ref. Piping: 8m(horizontal)
3. Actual noise level may differ, depending on the room structure, etc, since these noise values are from an
anechoic room.
Part 3 Noise Level
ONE-WAY CASSETTE TYPE
Microphone
1.0m
5
Octave band center frequenc
y
（Hz）
Sound pressure level dB（0dB=0.0002μ bar）
Audibility limits of
continuous white
sound
Part 4 Velocity ﹠ temperature distribution
Airflow velocity
Temperature
6
Part 5 Operation Range
Ensure the operating temperature is in allowable range.
Cooling only
Heat pump
7
8
Part 6 Capacity Table
Model: FSK-94HF
COOLING OUTDOOR TEMPERATURE DRY
Indoor Conditions 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC
Total capacity kW
2.51 2.40 2.32 2.18 2.10 2.03 1.97
Sensitive capacity kW
2.01 1.92 1.85 1.75 1.68 1.62 1.57
21ºC D
15ºC W
Input kW.
0.69 0.78 0.88 0.98 1.08 1.18 1.28
Total capacity kW
2.75 2.63 2.54 2.39 2.30 2.22 2.15
Sensitive capacity kW
2.20 2.10 2.03 1.91 1.84 1.78 1.72
24ºC D
17ºC W
Input kW.
0.72 0.83 0.93 1.04 1.14 1.24 1.35
Total capacity kW
2.99 2.86 2.76
2.60
2.50 2.42 2.34
Sensitive capacity kW
2.39 2.29 2.20 2.08 2.00 1.93 1.87
27ºC D
19ºC W
Input kW.
0.76 0.87 0.98
1.09
1.20 1.31 1.42
Total capacity kW
3.44 3.29 3.17 2.99 2.87 2.78 2.69
Sensitive capacity kW
2.75 2.63 2.54 2.39 2.30 2.22 2.15
32ºC D
23ºC W
Input kW.
0.88 1.00 1.13 1.25 1.38 1.50 1.63
Model: FSK-94HF
HEATING OUTDOOR TEMPERATURE
Indoor
Conditions
24ºC D
18ºC W
12ºC D
11ºC W
7ºC D
6ºC W
4ºC D
3ºC W
0ºC D
-1ºC W
-5ºC D
-6ºC W
-7ºC D
-8ºC W
-15ºC D
-16ºC W
Capacity kW 3.60 2.88 2.40 2.16 2.04 1.62 1.68 1.56
15ºC
Input kW. 1.32 1.06 0.88 0.84 0.79 0.75 0.70 0.62
Capacity kW 4.05 3.24 2.70 2.43 2.30 2.03 1.89 1.76
18ºC
Input kW. 1.49 1.19 0.99 0.94 0.89 0.84 0.79 0.69
Capacity kW 4.50 3.60
3.00
2.70 2.55 2.25 2.10 1.95
20ºC
Input kW. 1.65 1.32
1.10
1.05 0.99 0.94 0.88 0.77
Capacity kW 4.95 3.96 3.30 2.97 2.81 2.48 2.31 2.15
22ºC
Input kW. 1.82 1.45 1.21 1.15 1.09 1.03 0.97 0.85
Capacity kW 5.85 4.68 3.90 3.51 3.32 2.93 2.73 2.54
27ºC
Input kW. 2.15 1.72 1.43 1.36 1.29 1.22 1.14 1.00
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