TPI KFR-26GW/ZBP, KFR-34GW/ZBP Service Manual
Service Manual
for DC-Inverter
KFR-26GW/ZBP & 34GW/ZBP
INVERTER WALL SPLIT
Technical specifications
Working range
Indoor unit
Outdoor unit
Refrigeration cycle diagram
Main function
page 64
page 66
page 67
page 68
page 69
page 70
System control
Wiring diagram
Faults & self-diagnoses
Service parts list
page 71
page 78
page 80
page 85
64
Technical specifications
Heat pump
Model
Cooling capacity
Heating capacity
Rated power input
Cooling
Heating
Rated current
Cooling
Heating
Operation frequency
Power
Air flow(indoor/high speed)
Noise(indoor/outdoor)
W
Btu/h
W
Btu/h
W
A
Hz
3
m /h
dB(A)
Refrigerant R410A
9000BTU 12000BTU
KFR-26GW/AZBP KFR-34GW/AZBP
2600(900~3200) 3500(1000~3700)
8870(3100~11000) 12000(3412~13000)
3400(1000~4000) 4100(1000~4500)
12000(3412~14000) 140003412~15400)
780(250~1100) 1020(260~1320)
950(250~1320) 1130250~1500)
3.7 4.80
4.5 5.30
28~95
220/240V/1/50Hz
520
İ42/52
Refrigerant(R410A˅
Refrigerant tube size
Liquid
Gas?
Connecting wire
Power wire
Drain hose(Indoor/Outdoor)
Dimension(WhHhD)
Indoor
Outdoor
Weight
Indoor
Outdoor
inch
mm
mm
mm
mm
kg
g
2
2
770 910
ʾ
1/4
ʾ
3/8
3
h1.0+1h0.75 3h1.5+1h0.75
3
h1.0/10A 3h1.5/16A
I. d¶16
815
h288h210
820
h540h320
10.5 10.5
32
1/4
1/2
35
Note
1
Rated cooling capacity under below conditions˖
Indoor temp:27ćDBˈ19ćWB˗Outdoor temp:35ćDBˈ24ćWB.High speed;4-meter connecting pipe.
2
Rated heating capacity under below conditions˖
Indoor temp:20ćDB;Outdoor temp:7ćDBˈ6ćWB.High speed;4-meter connecting pipe.
3
We get the noise under heating model meantime.The fan runs at high speed.
ʾ
ʾ
65
Working range
43
Max.operation temp
Cooling
Outdoor side temp.
24
21
Max.operation temp
Min.operation temp
ć
10
Min.operation temp
-7
-10
Heating
20 27 30 32
21
Indoor side temp.ć
66
Outdoor unit
Outdoor unit
unit(mm)
H
L2
W
L1
D
Dimension
W
H
D
1
L
L2
9000Btu
760
528
256
538
283
12000Btu
760
528
256
538
283
68
Refrigeration cycle diagram
COOLING ONLY MODELS
Indoor unit
Indoor
Exchanger
Indoor air thermo
Indoor
pipe
thermo
Liquid side
2-way valve
3-way valve
Gas side
Cooling capillary
Compressor
Outdoor unit
Outdoor
Exchanger
discharge thermo
Outdoor
pipe
thermo
Outdoor
air
thermo
COOLING AND HEATING MODELS
Indoor unit
Liquid side
2-way valve
Indoor
pipe
thermo
Indoor
Exchanger
Indoor air thermo
Gas side
3-way valve
Check valve(Heating model)
Heating capillary
Accumulator
Outdoor unit
Cooling capillary
discharge thermo
Outdoor
pipe
thermo
Outdoor
Exchanger
Outdoor
air
thermo
Reversing valve
(Heating model)
Compressor
cooling
heating
69
Main function
Cooling
Heating
Soft/dry
Auto operation
Temporary operation
Add and reclaim fluorine running
Sleep
24-hour timer
Vertical air direction adjustment
Main function
Vertical air direction adjustment
Capacity adjust(Inverter
Ice avoid(cooling model)
Cold air avoid(heating model)
Auto defrost
Heating overload protection
Cooling
Current
Discharge temp protection
Compressor 3-minute protection
IPM
overload protection
protection
protection
Low voltage protection
Frequency control
Faults & self-diagnoses
70
System control
Cooling operation
Frequency control by indoor temp
C
3.5
3.0
2.5
Indoor temp-setting temp
2.0
1.5
1.0
0.5
0.0
A
B
C
D
E
F
G
H
Temp range
Frequency(Hz)
ABCDE FGH
89 85 81 77 73 37 28 0
Limit of the most frequency by outdoor temp
45
44
41
40
37
36
30
29
24
23
18
17
12
11
0
-1
Compress OFF
Fmax= 55Hz
Fmax= 73Hz
Fmax= 81Hz
Fmax= 89Hz
Fmax= 81Hz
Fmax= 73Hz
Fmax= 55Hz
Fmax= 46Hz
Ice avoid
Inlet condition: evaporator temp downİ2ć,system is running on the lowest frequency(28Hz).
evaporator temp down˘0ć,compressor OFF.
Return condition:evaporator temp raiseı6ć and continuous 10 minutes,the frequency rise
to the most.
1
2
71
System control
Cooling
overload protection
Inlet condition: condenser temp raiseı58ć,system is running on the lowest
frequency(28Hz).
condenser temp raiseı62ć,compressor OFF.
Return condition:condenser temp down˘54ć and continuous 10 minutes when condenser down <52ć,
the frequency rise to the most.
O
1
O
2
Soft/dry
Automatically choose running frequency according to the numerical value between room
temp and setting temp.(CMOS chip enact the temp to 24ć).
Indoor temp-setting temp˄24ć˅
3.5
3.0
2.5
2.0
1.5
1.0
55Hz
46Hz
37Hz
28Hz
Heating operation
Frequency control by indoor temp
C
-0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
Temp range
A BC D E FGH
Indoor temp-setting temp
H
G
F
E
D
C
B
A
Frequency(Hz)
95 90 85 78 70 38 30 0
72
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