Midea RSJ-120/ZN1-540V1 User manual

Midea R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC-HTSM-201906
1
Midea R410A
Direct Heating Commercial Heat Pump
50Hz
Technical Manual
Applicable Model:
RSJ-120/ZN1-540V1
RSJ-200/SZN1-540V1
RSJ-420/SZN1-H
RSJ-800/SZN1-H
Midea reserves the right to discontinue, or change specification or designs at any time without notices and
without incurring obligations.
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Content
Part 1 General Information .....................................................................3
Part 2 Performance .................................................................................6
Part 3 Installation..................................................................................43
Part 4 Wired Controller .........................................................................77
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Midea R410A Direct Heating Type HPWH 50Hz Technical Manual MCAC-HTSM-201906
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Part 1 General Information
1Product lineup.............................................................................. 4
2External appearance..................................................................... 4
3Nomenclature .............................................................................. 5
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1Product lineup
Table 1-1.1: Product lineup
Model
Power supply
RSJ-120/ZN1-540V1
220-240V~, 1Ph, 50Hz
RSJ-200/SZN1-540V1
380-415V~, 3Ph, 50Hz
RSJ-420/SZN1-H
380-415V~, 3Ph, 50Hz
RSJ-800/SZN1-H
380-415V~, 3Ph, 50Hz
2External appearance
Figure 1-2.1: External appearance
RSJ-120/ZN1-540V1
RSJ-200/SZN1-540V1
RSJ-420/SZN1-H
RSJ-800/SZN1-H
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3Nomenclature
RSJ
-
200
/
S
Z
N1
-
540V1
Design code
Refrigerant Type
N1:R410A
Heating Type
Z: Direct heating
Power Supply
S: 380~415V, 50Hz, 3Ph
Omit for 220~240V, 50Hz, 1Ph
Rated heating capacity of heat pump (*100W)
Midea air source heat pump water heater
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Part 2 Performance
1Features ....................................................................................... 7
2Specifications ............................................................................... 8
3Dimensions................................................................................. 12
4Service space.............................................................................. 15
5Refrigerant circuit....................................................................... 18
6Wiring diagrams ......................................................................... 21
7Main PCB descriptions................................................................ 25
8Electrical characteristics ............................................................. 33
9Capacity table............................................................................. 34
10 Accessories................................................................................. 42
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1Features
High efficient, COP is up to 4.04 (20kW, 39kW) and 4.00 (12kW, 80kW).
Unit applies refrigerant heating technology to increase the total energy absorb.
Refrigerant E-heater design can ensure that hot water can be produced stably during defrosting period.
Multi protection: High and low pressure protection, over-load current protection, anti-freezing function,
etc.
Multi-temperature sensors always monitor the unit operating status.
Max. 10 units can be connected in parallel (12, 20kW); Max. 4 units can be connected in parallel (39kW);
Max. 2 units can be connected in parallel (80kW).
User-friendly wired controller as standard, real-time clock function, power-off memory function.
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2Specifications
Table 2-1.1: RSJ-120/ZN1-540V1 specifications
Model name
RSJ-120/ZN1-540V1
Power supply
V/Ph/Hz
220-240/1/50
Water heating1
Capacity
kW
11.8
Rated power input
kW
2.95
COP
4.00
Max. power input
kW
3.7
Max. input current
A
18.0
Compressor
Type
Scroll
Quantity
1
Capacity
kW
8.8
Input
kW
2.94
Rated current (RLA)
A
17.7
Locked rotor Amp (LRA)
A
98
Thermal protector
⁰C
135
Refrigerant oil
POE
Outdoor fan
Motor type
AC motor
Fan type
Axial fan
Number of fans
1
Speed (H/L)
r/min
860/520
Air flow
m3/h
≥5500
Air side heat exchanger
Type
Finned tube
Number of rows
1
Number of circuits
6
Water side heat exchanger
Type
Double-pipe heat exchanger
Material
Copper
Refrigerant
Type
R410A
Charged volume
kg
1.55
Throttle type
Electronic expansion valve
Outdoor noise level
dB(A)
59
Unit dimension (W×H×D)
mm
790×1100×810
Packing dimension (W×H×D)
mm
860×1220×885
Net/Gross weight
kg
125/145
Water piping connections Dia.
Mm
DN25
Water pressure drop
kPa
160
Wire controller
KJR-51/BMKE-A
Hot water yield
m3/h
0.25
Ambient temperature range
⁰C
-15 - 46
Water outlet temperature range
⁰C
48-60 (default)55
Notes:
1. The test conditions: outdoor temperature 20/15°C(DB/WB), inlet water temperature 15°C, outlet water temperature 55°C.
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Table 2-1.2: RSJ-200/SZN1-540V1 specifications
Model name
RSJ-200/SZN1-540V1
Power supply
V/Ph/Hz
380-415/3/50
Water heating1
Capacity
kW
20.4
Rated power input
kW
5.05
COP
4.04
Max. power input
kW
7.80
Max. input current
A
13.3
Compressor
Type
Scroll
Quantity
1
Capacity
kW
16.2
Input
kW
5.2
Rated current (RLA)
A
9.1
Locked rotor Amp (LRA)
A
74
Thermal protector
⁰C
135
Refrigerant oil
POE
Outdoor fan
Motor type
AC motor
Fan type
Axial fan
Number of fans
1
Speed (H/L)
r/min
900/580
Air flow
m3/h
≥5500
Air side heat exchanger
Type
Finned tube
Number of rows
2
Number of circuits
10
Water side heat exchanger
Type
Double-pipe heat exchanger
Material
Copper
Refrigerant
Type
R410A
Charged volume
kg
2.9
Throttle type
Electronic expansion valve
Outdoor noise level
dB(A)
63
Unit dimension (W×H×D)
mm
790×1100×810
Packing dimension (W×H×D)
mm
860×1220×885
Net/Gross weight
kg
157/172
Water piping connections Dia.
Mm
DN25
Water pressure drop
kPa
160
Wire controller
KJR-51/BMKE-A
Hot water yield
m3/h
0.45
Ambient temperature range
⁰C
-15 - 46
Water outlet temperature range
⁰C
48-60 (default)55
Notes:
1. The test conditions: outdoor temperature 20/15°C(DB/WB), inlet water temperature 15°C, outlet water temperature 55°C.
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Table 2-1.3: RSJ-420/SZN1-H specifications
Model name
RSJ-420/SZN1-H
Power supply
V/Ph/Hz
380-415/3/50
Water heating1
Capacity
kW
39.0
Rated power input
kW
9.65
COP
4.04
Max. power input
kW
14.5
Max. input current
A
24.0
Compressor
Type
Scroll
Quantity
1
Capacity
kW
29.2
Input
kW
9.2
Rated current (RLA)
A
20
Locked rotor Amp
(LRA)
A
118
Thermal protector
⁰C
135
Refrigerant oil
POE
Outdoor fan
Motor type
AC motor
Fan type
Axial fan
Number of fans
1
Speed (H/L)
r/min
850/750
Air flow
m3/h
≥12,000
Air side heat exchanger
Type
Finned tube
Number of rows
2
Number of circuits
19
Water side heat exchanger
Type
Double-pipe heat exchanger
Material
Copper
Refrigerant
Type
R410A
Charged volume
kg
4.5
Throttle type
Electronic expansion valve
Outdoor noise level
dB(A)
66
Unit dimension (W×H×D)
mm
1,015×1,775×1,026
Packing dimension (W×H×D)
mm
1,070×1,900×1,030
Net/Gross weight
kg
323/343
Water piping connections Dia.
mm
DN32
Water pressure drop
kPa
160
Wire controller
KJR-51/BMKE-A
Hot water yield
m3/h
0.89
Ambient temperature range
⁰C
-15 - 46
Water outlet temperature range
⁰C
48-60 (default)56
Notes:
1. The test conditions: outdoor temperature 20/15°C(DB/WB), inlet water temperature 15°C, outlet water temperature 55°C.
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Table 2-1.4: RSJ-800/SZN1-H specifications
Model name
RSJ-800/SZN1-H
Power supply
V/Ph/Hz
380-415/3/50
Water heating1
Capacity
kW
80.0
Rated power input
kW
20.0
COP
4.0
Max. power input
kW
26.0
Max. input current
A
45.0
Compressor
Type
Scroll
Quantity
2
Capacity
kW
29.95
Input
kW
9.5
Rated current (RLA)
A
20.7
Locked rotor Amp
(LRA)
A
142
Thermal protector
⁰C
135
Refrigerant oil
POE
Outdoor fan
Motor type
AC motor
Fan type
Axial fan
Number of fans
2
Speed (H/L)
r/min
850/750
Air flow
m3/h
≥25,000
Air side heat exchanger
Type
Finned tube
Number of rows
2
Number of circuits
20+20
Water side heat exchanger
Type
Double-pipe heat exchanger
Material
Copper
Refrigerant
Type
R410A
Charged volume
kg
4.4*2
Throttle type
Electronic expansion valve
Outdoor noise level
dB(A)
68
Unit dimension (W×H×D)
mm
1,995×1,770×1,025
Packing dimension (W×H×D)
mm
2,080×1,895×1,120
Net/Gross weight
kg
599/627
Water piping connections Dia.
mm
DN50
Water pressure drop
kPa
160
Wire controller
KJR-51/BMKE-A
Hot water yield
m3/h
1.72
Ambient temperature range
⁰C
-15 - 46
Water outlet temperature range
⁰C
48-60 (default)56
Notes:
1. The test conditions: outdoor temperature 20/15°C(DB/WB), inlet water temperature 15°C, outlet water temperature 55°C.
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3Dimensions
Figure 2-3.1: Dimensions of RSJ-120/ZN1-540V1, RSJ-200/SZN1-540V1 (Unit: mm)
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Figure 2-3.2: Dimensions of RSJ-420/SZN1-H (Unit: mm)
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Figure 2-3.3: Dimensions of RSJ-800/SZN1-H (Unit: mm)
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4Service space
Figure 2-4.1:Service space of RSJ-120/ZN1-540V1, RSJ-200/SZN1-540V1 (Unit: mm)
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Figure 2-4.2:Service space of RSJ-420/SZN1-H (Unit: mm)
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Figure 2-4.3:Service space of RSJ-800/SZN1-H (Unit: mm)
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5Refrigerant circuit
Figure 2-5.1:Refrigerant circuit of RSJ-120/ZN1-540V1, RSJ-200/SZN1-540V1
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Figure 2-5.2: Refrigerant circuit of RSJ-420/SZN1-H
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Figure 2-5.3: Refrigerant circuit of RSJ-800/SZN1-H
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