York YKHC 18 User manual

Cassette

YKHC 18 to 48

SERVICE MANUAL

YKHC 18 · YKHC 24 · YKHC 30 · YKHC 36 · YKHC 48

SM-YKHC-18-48GB 03-07

How to read the model?

Y K H C 24 F S B A A A

Range:

F = Floor standing

H = High wall

M = Master range

P = Portable

Y = YORK

R = Everest front

Refrigerant type:

A = R22

B = R407C

C = R410A

Capacity Btu/h

Generation:

A = First

R = New remote

Voltages:

A =

(Out) 220-240/1/50 - (In) 220-240/1/50

C =

(Out) 380/3/50 - (In) 220-240/1/50

Indoor options:

A = Standard

J = Bio Screen filter

** Omit for outdoor units

Outdoor options:

A = Standard

B = Low Ambient Kit

C = Power outdoor

* Omit for indoor units

Indoors:

A = Free matching multi

S = Single

T = Duct High Static

U = Duct standard case

Compressor type:

A = AC Inverter

D = DC Inverter

F = Fixed

M = Multi

* * *

Family:

A = Efficiency Ultra

E = Eco Ultra

H = Alps

J = Atlas

K = Cassette

L = Ultra

M = Multi Ultra

R = Multi Inverter

V = Inverter Ultra

U = Ducted unit

O = Floor / Ceiling

Type:

C = Set - Cooling only

D = Outdoor - Cooling only

E = Indoor - Cooling only

H = Set - Heat pump

J = Outdoor Heat pump

K = Indoor Heat pump

M = Multi Ultra

R = Multi Inverter

V = Inverter Ultra

U = Ducted unit

O = Floor / Ceiling

Four-way Cassette Type

Part1. Product features

1) Low operation noise

---Streamline plate ensures quietness

---Creates natural and comfortable environment

2) Fresh air make life more healthy and comfortable.

3) Efficient cooling

---Equal, fast and wide—range cooling

Four-way airflow

4) The adoption of the most advanced 3- Dimensional Screw fan

---Reduces the air resistance passing through

---Smoothes the air flow

---Makes air speed distribution to the heat exchange uniform

3- Dimensional Screw fan

5) Improvement for easy installation and maintenance

---Little space is required for installation into a shallow ceiling

---Because of the compactness and weight reduction of the main unit and panel, all models can be installed

without a hoist

Part2. Specication

Model YKHC-18 YKHC-24

zH-V-hPylppusrewoP 1,220-240V,50Hz 1,220-240V,50Hz

Capacity Btu/h 2400018000

Capacity kW 7.15.3

WtupnI 25601900

AtnerrucdetaR 12.28.8

Cooling

h.W/utBREE 9.6 9.6

h/utByticapaC 2730020500

Capacity kW 8.06.0

WtupnI 25001900

AtnerrucdetaR 118.8

Heating

h.W/utBPOC 10.910.7

h/LlavomeRerutsioM 2.41.8

Wnoitpmusnoctupni.xaM 33002300

Atnerruc.xaM 15.311.7

AtnerrucgnitratS 6045

Model PA290X3CS-4MU1 C-SBN303H8D

Type ROTARY SCROLL

Brand TOSHIBA SANYO

Supplier TOSHIBA

(Guangdong) SANYO(Dalian)

h/utByticapaC 2457418362

WtupnI 24401855

A)ALR(tnerrucdetaR 11.48.6

Locked rotor Amp(LRA) A 8580

Thermal protector INNER INNER

FuroticapaC 50 50

Compressor

lmliotnaregirfeR 750 950

Model YDK45-4F YDK55-6

Brand WELING WELING

WtupnI 12063

FuroticapaC 3.52.5

Indoor fan motor

nim/r)ol/ih(deepS 680/600930/830

Number of rows 2 2

Tubepitch(a)x row pitch(b) mm 21 13.37 21 13.37

mmgnicapsniF 1.3 1.3

Fin type (code) Hydrophilic

aluminium

Hydrophilic

aluminium

Tube outside dia.and type mm Ø7, innergroove

tube

Ø7, innergroove

tube

Indoor coil

Coil length x height x width mm 210 26.71185 1950 126 26.74

m)oL/iH(wolfriaroodnI 3/h 1050/900860/760

)A(Bd)oL/iH(levelesionroodnI 43/40 43/40

Dimension (W*H*D)(body) mm 580 254 580 840 240 840

Packing (W*H*D)(body) mm 750 340 750 1020 330 930

Net/Gross weight(body) kg 21/30 36/46

Dimension (W*H*D)(panel) mm 650 30 650 950 40 950

Packing (W*H*D)(panel) mm 715 115 715 1030 145 1030

Indoor unit

Net/Gross weight(panel) kg 3/5 6/11

Model YDK53-6K YDK53-6H

Brand WELLING WELLING

Input W 130 130

Capacitor uF 2.5 3

Outdoor fan

motor

Speed r/min 750 800

Number of rows 2 2

Tube pitch(a)x row pitch(b) mm 25.4 22 25.4 22

Fin spacing mm 1.8 1.5

Fin type (code) Hydrophilic

aluminium

Hydrophilic

aluminium

Tube outside dia.and type mm Ø9.53,

innergroove tube

Ø9.53,

innergroove tube

Coil length x height x width mm 775 660 44 850 810 44

Outdoor coil

Number of circuits 3 4

mwolfriaroodtuO 3/h 2400 3000

Outdoor noise level dB(A) 48 55

Dimension(W*H*D) mm 845 695 335 895 860 330

Packing (W*H*D) mm 965 847 395 1000 985 410

Outdoor unit

Net/ Gross weight kg 55/58 79/90

Refrigerant type/Quantity g R410A/2050 R410A/2600

Design pressure (high side/low side) MPa 4.2/2.5 4.2/2.5

Liquid side mm(inch) 6.35 (1/4) 9.53 (3/8)

Gas side mm(inch) 12.7 (1/2) 16 (5/8)

Max. pipe length m 30 30

Refrigerant

piping

Max. dierence in level m20 20

Operation temp 17~30 17~30

Ambient temp -7~45 -7~45

Application area m234~49 40~56

Qty’per 20’& 40’Fcl Pieces 56/123/140 30/63/66

Notes: 1. Nominal cooling capacities are based on the following conditions:

Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB;

2. Nominal heating capacities are based on the following conditions:

Indoor temp: 20°CDB; Outdoor temp: 7°CDB, 6°CWB;

3. Actual noise level may dier, depending on the room structure, etc, since these noise values are from an

anechoic room.

Model YKHC-30 YKHC-36 YKHC-48

Power supply Ph-V-Hz 3,380V,50Hz 3,380V,50Hz 3,380V,50Hz

Capacity

Btu/h 30000 36000 48000

Capacity

kW 8.8 10.5 14

Input W 3250 3700 4700

Rated current A 5.5 6.5 8.2

Cooling

EER Btu/W.h 9.3 9.6 9.6

Capacity Btu/h 32000 39000 52000

Capacity

kW 9.4 11.4 15.2

Input W 3250 3350 4900

Rated current A 5.5 5.8 8.6

Heating

COP Btu/W.h 10.9 11.5 10.6

MoistureRemoval L/h 3.0 3.0 4.8

Max. input consumption W 4620 4620 5870

Max.current A 8.5 8.5 10.7

Startingcurrent A 31 31 41

Model C-SBN303H8D C-SBN303H8D C-SBN373H8D

Type SCROLL SCROLL SCROLL

Brand SANYO SANYO SANYO

Supplier

SANYO(Dalian) SANYO(Dalian) SANYO(Dalian)

Capacity Btu/h 33500 33500 48123

Input W 3650 3650 4750

Rated current(RLA) A 6.58 6.58 8.22

Locked rotor Amp(LRA)

A 65 65 82

Thermal protector



INNER INNER INNER

Capacitor uF / / /

Compressor

Refrigerant oil ml 1700 1700 1700

Model



YDK56-6 YDK56-6 YDK56-6

Brand



WELLING WELLING WELLING

Input W 137 137 137

Capacitor uF 3 3 3

Indoor fan

motor

Speed(hi/lo) r/min 670/565 670/565 670/565

Number of rows



2 2 2

Tubepitch(a)x row pitch(b)

mm 2113.37 2113.37 2113.37

Finspacing mm 1.3 1.3 1.3

Fin type (code)



Hydrophilic

aluminium

Hydrophilic

aluminium

Hydrophilic

aluminium

Tube outside dia.and type

mm Ø7, innergroove

tube

Ø7, innergroove

tube

Ø7, innergroove

tube

Indoor coil

Coil length x height x width

mm 195016826.74 195016826.74 195016826.74

Indoor air flow (Hi/Lo) m3/h 1600/1420 1600/1420 1600/1420

Indoor noise level (Hi/Lo) dB(A) 47/44 47/44 47/44

Dimension (W*H*D)(body) mm 840310840 840310840 840310840

Packing (W*H*D)(body) mm 1020400930 1020400930 1020400930

Net/Gross weight(body) kg 40/50 40/50 40/50

Dimension (W*H*D)(panel)

mm 95040950 95040950 95040950

Packing (W*H*D)(panel)

mm 10301451030 10301451030 10301451030

Indoor unit

Net/Gross weight(panel)

kg 6/11 6/11 6/11

Model



YDK250-6D-WL YDK250-6D-WL YDK65-6WL;

YDK65-6F

Brand



WELLING WEILING WELLING

Input W 307 307 138+156

Capacitor uF 10 10 3.52

Outdoor fan

motor

Speed r/min 740 740 800

Number of rows



2 2 2

Tube pitch(a)x row pitch(b)

mm 25.422 25.422 25.422

Finspacing

mm 1.7 1.7 1.8

Fin type (code)



unhydrophilic

aluminium

unhydrophilic

aluminium

hydrophilic

aluminium

Tube outside dia.and type

mm Ø9.53,

innergroove tube

Ø9.53,

innergroove tube

Ø9.53,

innergroove tube

Coil length x height x width

mm 95591544 95591544 715122044

Outdoor coil

Number of circuits



8 8 4

Outdoor air flow m3/h 8 5000 5000

Outdoor noise level dB(A) 5000 57 58

Dimension(W*H*D) mm

57 990960360 9401245360

Packing (W*H*D) mm 990960360 11201090435 10201370435

Outdoor unit

Net/ Gross weight kg 11201090435 101/106 110/125

Refrigeranttype/Quantity

g R410A/3100 R410A/3100 R410A/4000

Design pressure (high side/low side)

MPa 4.2/2.5 4.2/2.5 4.2/2.5

Liquid side mm(inch)

12.7 (1/2) 12.7 (1/2) 12.7 (1/2)

Gas side mm(inch)

19 (3/4) 19 (3/4) 19 (3/4)

Max. pipe length m 30 30 30

Refrigerant

piping

Max. difference in level

m 20 20 20

Operation temp



17~30 17~30 17~30

Ambient temp



-7~45 -7~45 -7~45

Applicationarea m

250~75 60~85 80~105

Qty’per 20’& 40’Fcl Pieces 25/55/62 25/55/62 24/52/55

Notes: 1. Nominal cooling capacities are based on the following conditions:

Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB;

2. Nominal heating capacities are based on the following conditions:

Indoor temp: 20°CDB; Outdoor temp: 7°CDB, 6°CWB;

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

FOUR-WAY CASSETTE TYPE

Microphone

1.0m

12.000~24,000 btu/h 30,000~48,000 btu/h

Octave band center frequency

£¨

£©

Sound pressure level dB

£¨

0dB=0.0002

|Ì

bar

£©

Audibility limits of

continuous white

sound

Sound pressure level dB£¨

Audibility limits of

continuous white

sound

Part4. Velocity & temperature distribution

Discharge angle 60º

Airflow velocity

Temperature

Part5. Operation range

Ensure the operating temperature is in allowable range.

Ambient emp.(¡ã C)

Heating

STD

3024

-7

Indoor temp.(¡ã C)

-7

Cooling

Ambient emp.(¡ã C)

STD

Part6. Capacity table

Model: YKHC 12-18

COOLING



OUTDOOR CONDITIONS

Indoor

Conditions



21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC

Total capacity kW 5.12 4.90 4.72 4.45 4.27 4.14 4.01

Sensitive capacity kW 4.10 3.92 3.78 3.56 3.42 3.31 3.21

21ºC D

15ºC W Input kW. 1.20 1.37 1.54 1.71 1.88 2.05 2.22

Total capacity kW 5.61 5.36 5.17 4.88 4.68 4.53 4.39

Sensitive capacity kW 4.49 4.29 4.13 3.90 3.74 3.63 3.51

24ºC D

17ºC W Input kW. 1.26 1.44 1.62 1.81 1.99 2.17 2.35

Total capacity kW 6.10 5.83 5.62 5.30 5.09 4.93 4.77

Sensitive capacity kW 4.88 4.66 4.49 4.24 4.07 3.94 3.82

27ºC D

19ºC W

Input kW. 1.33 1.52 1.71 1.90 2.09 2.28 2.47

Total capacity kW 7.01 6.70 6.46 6.10 5.85 5.67 5.49

Sensitive capacity kW 5.61 5.36 5.17 4.88 4.68 4.53 4.39

32ºC D

23ºC W

Input kW. 1.53 1.75 1.97 2.19 2.40 2.62 2.84

Model: YKHC 12-18

HEATING OUTDOOR CONDITIONS

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 7.20 5.76 4.80 4.32 4.08 3.60 3.36 3.12

15ºC Input kW. 2.28 1.82 1.52 1.44 1.37 1.29 1.22 1.06

Capacity kW 8.10 6.48 5.40 4.86 4.59 4.05 3.78 3.51

18ºC Input kW. 2.57 2.05 1.71 1.62 1.54 1.45 1.37 1.20

Capacity kW 9.00 7.20 6.00 5.40 5.10 4.50 4.20 3.90

20ºC Input kW. 2.85 2.28 1.90 1.81 1.71 1.62 1.52 1.33

Capacity kW 9.90 7.92 6.60 5.94 5.61 4.95 4.62 4.29

22ºC Input kW. 3.14 2.51 2.09 1.99 1.88 1.78 1.67 1.46

Capacity kW 11.70 9.36 7.80 7.02 6.63 5.85 5.46 5.07

27ºC Input kW. 3.71 2.96 2.47 2.35 2.22 2.10 1.98 1.73

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