Kaysun Mini Amazon III Product guide

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Before using your air conditioner, please read this manual carefully and keep it for future

reference.

Mini Amazon III

KMF-80 DVN4

KMF-100 DVN4

KMF-120 DVN4

KMF-140 DVN4

KMF-160 DVN4

ENGINEERING DATA BOOK

V6R VRF 50Hz

CONTENTS

Mini Amazon III Series

CONTENTS

Part 1 General Informaon............................................................................. 2

Part 2 Outdoor Unit Engineering Data .......................................................... 11

Part 3 System Design and Installaon........................................................... 96

Mini Amazon III Series

Part 1

General Information

1 Indoor and Outdoor Unit Capacities ......................................................... 3

2 External Appearance ................................................................................ 4

3 Combination Ratio ................................................................................... 5

4 Selection Procedure ................................................................................. 6

V6R VRF 50Hz

Part 1 - General Information

Mini Amazon III Series

1 Indoor and Outdoor Unit Capacies

1.1 Indoor Units

Table 1-1.1: Indoor unit abbreviaon codes

Abbreviaon

code Type Abbreviaon

code Type

KCOF One-way Cassee KPDHF High Stac Pressure Duct

KCIF Compact Four-way Cassee KAYF Wall-mounted

KCIBF Four-way Cassee KPCF Ceiling & Floor

KPDF Medium Stac Pressure Duct KS(E)F Floor Standing

KSDF Console

Table 1-1.2: Indoor unit capacity range

Capacity Capacity

index KCOF KCIF KCIBF KPDF KPDHF KAYF KPCF KS(E)F KSDF

kW kBtu/h HP

1.8 5 0.6 18 18 — — — — — — — —

2.2 7 0.8 22 22 22 — 22 — 22 — 22 22

2.8 9 1 28 28 28 28 28 — 28 — 28 28

3.6 12 1.25 36 36 36 36 36 — 36 36 36 36

4.5 15 1.6 45 45 45 45 45 — 45 45 45 45

5.6 19 2 56 56 — 56 56 — 56 56 56 —

7.1 24 2.5 71 71 — 71 71 71 71 71 71 —

8.0 27 3 80 — — 80 80 80 80 80 80 —

9.0 30 3.2 90 — — 90 90 90 90 90 — —

10.0 34 3.6 100 — — 100 — — — — — —

11.2 38 4 112 — — 112 112 112 — 112 — —

14.0 48 5 140 — — 140 140 140 — 140 — —

16.0 55 6 160 — — — — 160 — 160 — —

20.0 68 7 200 — — — — 200 — — — —

25.0 85 9 250 — — — — 250 — — — —

28.0 96 10 280 — — — — 280 — — — —

40.0 136 14 400 — — — — 400 — — — —

45.0 154 16 450 — — — — 450 — — — —

56.0 191 20 560 — — — — 560 — — — —

1.2 Outdoor Units

Table 1-1.5: Outdoor unit capacity range

Capacity (kW) Model Name

8 KMF-80 DVN4

10 KMF-100 DVN4

12 KMF-120 DVN4

14 KMF-140 DVN4

15.5 KMF-160 DVN4

Notes:

1. Individual Series (Mini Series) outdoor units could not be combined.

Mini Amazon III Series

2 External Appearance

2.1 Indoor Units

Table 1-2.1: Indoor unit appearance

One-way Cassee

KCOF

Compact Four-way Cassee

KCIF

Four-way Cassee

KCIBF

Medium Stac Pressure Duct

KPDF

High Stac Pressure Duct

KPDHF

Wall-mounted

KAYF

Ceiling & Floor

KPCF

Floor Standing

KS(E)F

Console

KSDF

2.2 Outdoor Units

Table 1-2.2: Outdoor unit appearance

V6R VRF 50Hz

Part 1 - General Information

Mini Amazon III Series

3 Combinaon Rao

Combinaon rao = Sum of capacity indexes of the indoor units

Capacity index of the outdoor unit

Table 1-4.1: Indoor and outdoor unit combinaon rao limitaons

Type Minimum combinaon rao Maximum combinaon rao

Mini C Series outdoor units 50% 150%

Table 1-4.2: Combinaons of Indoor and outdoor units

Outdoor unit capacity Sum of capacity indexes of

connected indoor units (standard

indoor units only)

Maximum number of

connected indoor units

kW Capacity

index

8 80 40 to 104 6

10 100 50 to 130 7

12 120 60 to 156 10

14 140 70 to 182 12

15.5 160 77.5 to 201.5 13

Mini Amazon III Series

4 Selecon Procedure

4.1 Procedure

Step 1: Establish design condions

Step 2: Select indoor units

Step 3: Select outdoor unit

Decide indoor unit safety factor

Determine required total heat load on the outdoor unit

Use the sum of the peak load of each

Is corrected outdoor unit capacity ≥ Required total heat load on outdoor No

Yes

VRF system selecon is complete

Conrm that the number of indoor units connected to the outdoor unit is within

Correct cooling and heang capacies of the outdoor unit for the following items:

Outdoor air temperature / Indoor air temperature WB / Combinaon rao / Piping length, level dierence

/ Piping heat loss / Frost accumulaon (for heang capacity only)

Provisionally select outdoor unit capacity based on combinaon rao limitaons

Use the system peak

Select indoor unit models ensuring that:

Indoor unit capacity corrected for indoor air temperature WB1 ≥ Required heat load × Indoor unit safety factor

Design temperature and humidity (indoor and outdoor)

Required heat load of each room

System peak load

Piping length, level dierences

Indoor unit specicaons (type and quanty)

Notes:

1. If the indoor design temperature falls between two temperatures listed in the indoor unit’s capacity table, calculate the corrected capacity by interpolaon.

If the indoor unit selection is to be based on total heat load and sensible heat load, select indoor units which satisfy not only the total heat load

requirements of each room but also the sensible heat load requirements of each room. As with total heat capacity, the sensible heat capacity of indoor units

should be corrected for indoor temperature, interpolang where necessary. For the indoor unit capacity tables, refer to the indoor unit technical manuals.

V6R VRF 50Hz

Part 1 - General Information

Mini Amazon III Series

4.2 Example

The following is a selecon example based on total heat load for cooling.

Figure 1-5.1: Room plan

Room A

Room B Room C

Room D

Step 1: Establish design condions



Indoor air temperature 25°C DB, 18°C WB; outdoor air temperature 33°C DB.



Determine peak load of each room and system peak load. As shown in Table 1-5.1, the system peak load is 10.5kW.

Table 1-5.1: Required heat load of each room (kW)

Time Room A Room B Room C Room D Total

9:00 2.5 1.6 1.6 1.6 7.3

12:00 3.2 2.4 2.4 2.4 10.4

14:00 3.1 2.4 2.4 2.6 10.5

16:00 3.1 2.3 2.3 2.3 10



The maximum piping lengths and level dierences in this example are as given in Figure 1-5.2.

Figure 1-5.2: System diagram

Equivalent length of piping 50m

Lev

diﬀerenc

Outdoor

Unit

Indoor

Unit

Indoor

Unit

Indoor

Unit

Indoor

Unit



Indoor unit type for all rooms: Medium Stac Pressure Duct (T2).

Step 2: Select indoor units



In this example, a safety factor is not used (i.e. the safety factor is 1).



Select indoor unit models using the medium stac pressure duct cooling capacity table. Each indoor unit’s corrected

capacity needs to be greater than or equal to the peak load of the relevant room. The selected indoor units are shown

in Table 1-5.3.

Mini Amazon III Series

Table 1-5.2: Extract from medium stac pressure duct (T2) cooling capacity table

Model Capacity

index

Indoor air temperature

14°C WB 16°C WB 18°C WB 19°C WB 20°C WB 22°C WB 24°C WB

20°C DB 23°C DB 26°C DB 27°C DB 28°C DB 30°C DB 32°C DB

TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC

22 1.5 1.4 1.8 1.5 2.1 1.6 2.2 1.6 2.3 1.7 2.4 1.5 2.4 1.5

28 1.9 1.7 2.3 1.9 2.6 2.1 2.8 2.1 3.0 2.1 3.1 2.0 3.1 1.9

36 2.5 2.1 2.9 2.3 3.4 2.5 3.6 2.6 3.8 2.7 4.2 2.8 3.9 2.3

45 3.1 2.6 3.7 2.8 4.2 3.1 4.5 3.2 4.8 3.2 4.9 3.1 5.1 2.9

56 3.9 3.0 4.6 3.3 5.3 3.6 5.6 3.7 5.9 3.8 6.2 3.7 6.2 3.4

71 4.9 3.9 5.8 4.3 6.7 4.7 7.1 4.9 7.5 4.8 7.8 4.6 7.8 4.3

80 5.5 4.4 6.6 4.9 7.5 5.3 8.0 5.5 8.4 5.5 8.8 5.2 8.8 4.8

90 6.2 5.3 7.3 5.8 8.4 6.3 9.0 6.4 9.6 6.5 9.9 6.1 9.9 5.7

112 7.7 6.4 9.1 7.1 10.5 7.7 11.2 7.8 11.9 8.1 12.5 7.8 12.5 7.4

140 9.7 7.8 11.3 8.6 13.2 9.6 14.0 9.8 14.8 9.8 15.7 9.7 15.4 8.8

Abbreviaons:

TC: Total capacity (kW); SHC: Sensible heat capacity (kW)

Table 1-5.3: Selected indoor units

Room A Room B Room C Room D

Peak heat load (kW) 3.1 2.4 2.4 2.6

Selected indoor unit KPDF-36 DN4.0 KPDF-28 DN4.0 KPDF-28 DN4.0 KPDF-28 DN4.0

Corrected TC (kW) 3.6 2.8 2.8 2.8

Step 3: Select outdoor unit



Determine the required total heat load from the indoor units to the outdoor unit based on either the sum of the

peak loads of each room or the system peak load. In this example, it is determined based on the system peak load.

Therefore, the required heat load is 10.5kW.



Provisionally select an outdoor unit using the sum of the capacity indexes (CIs) of the selected indoor units (as shown

in Table 1-5.4), ensuring that the combinaon rao is between 50% and 130%. Refer to Table 1-5.5. As the sum of CIs

of the indoor units is 120, all outdoor units are potenally suitable except 8kW. Start from the smaller, which is the

10kW unit.

Table 1-5.4: Sum of indoor unit capacity indexes

Model Capacity Index No. of units

KPDF-36 DN4.0 36 1

KPDF-28 DN4.0 28 3

Sum of CIs 120

Table 1-5.5: Combinaons of Indoor and outdoor units

Outdoor unit capacity Sum of capacity indexes

of connected indoor units

(standard indoor units only)

kW Capacity

index

8 80 40 to 104

10 100 50 to 130

12 120 60 to 156

14 140 70 to 182

15.5 160 77.5 to 201.5

V6R VRF 50Hz

Part 1 - General Information

Mini Amazon III Series



The number of connected indoor units is 4 and the maximum number of connected indoor units on the 10kW outdoor

unit is 6, so the number of connected indoor units is within the limitaon.



Calculate the corrected capacity of the outdoor unit:

a) The sum of the indoor unit CIs is 120 and the CI of the 10kW outdoor unit is 100, so the combinaon rao is 120

/ 100 = 120%.

b) Using the outdoor unit’s cooling capacity table, interpolate to obtain the capacity (“B”) corrected for outdoor air

temperature, indoor air temperature, and combinaon rao. Refer to Tables 1-5.6 and 1-5.7.

Table 1-5.6: Extract from Table 2-7.1 KMF-100 DVN4

cooling capacity

Table 1-5.7: Cooling capacity calculated by interpolaon

Outdoor air

temp.

(°C DB)

Indoor air temp.

(°C DB / °C WB)

Outdoor air

temp.

(°C DB)

Indoor air temp.

(°C DB / °C WB)

25.8 / 18.0 25.8 / 18.0

TC PI TC PI

kW kW kW kW

120%

31 10.5 2.39

120%33 10.4 2.48 33 10.4 2.48

35 10.2 2.57 B =10.41

110%

31 10.3 2.34

110%33 10.2 2.46 33 10.2 2.46

35 10.0 2.55

c) Find the correcon factor for piping length and level dierence (“K1”)

Figure 1-5.3: Mini rate of change in cooling capacity

d) Calculate the corrected capacity of KMF-100 DVN4 (“C”) by using K1:

C = B × K1 = 10.4 × 0.968 =10.07kW



The corrected capacity 10.07 kW is lower than required total heat load 10.5kW, so selecon is not complete. Step 3

should be repeated from the point where the outdoor unit capacity is provisionally selected.

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