※ Manufacture reserves the right to discontinue, or change at any time, specifications or designs without notices
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out incurring obligations.
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
1. Outdoor units lineup
MGRH5A-PA1Z, MGRH7A-PA1Z
Model
MGRH5A-PA1Z
MGRH7A-PA1Z
Power Supply
(V/Ph/Hz)
220-240/1 /505.0kW DC InverterPlate typeHeat pump Built-in R410A
220-240/1/507.0kW DC InverterPlate typeHeat pump Built-in R410A
Capacity
Compressor
type
Heat
exchanger
A/C mode
Hydraulic
module
Refrigerant
Model
MGRH10A-PA1Z
MGRH12A-PA3Z
MGRH14A-PA3Z
MGRH16A-PA3Z
2
MGRH10A-PA1Z,MGRH12A-PA3Z
MGRH14A-PA3Z, MGRH16A-PA3Z
Power Supply
(V/Ph/Hz)
220-240/1/5010.0 DC InverterPlate typeHeat pump Built-in R410A
380-415/3/5011.2 DC InverterPlate typeHeat pump Built-in R410A
380-415/3/5012.5 DC InverterPlate typeHeat pump Built-in R410A
380-415/3/5014.5 DC InverterPlate typeHeat pump Built-in R410A
Capacity
Compressor
type
Heat
exchanger
A/C mode
Hydraulic
module
Refrigerant
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
2.Features
2.1 High efficient DC inverter compressor
Full DC inverter mini chiller adopts highly intelligent inverter-driven compressor
enables the output of the out
door unit to be modulated by the real heat load demands..
. This advanced technology
This advanced system ensures precise temperature regulation and highly efficient energy usage, making a
significant contribution to limiting the impact on the environment.
Highly Efficient DC Motor:
- Creative motor core design
- High density neodymium magnet
- Concentrated type stator
-Wider operating frequency range
Better balance and Extremely Low Vibration:
- Twin eccentric cams
- 2 balance weights
Highly Stable Moving Parts:
- Optimal material matching rollers and vanes
Compressor
(Twin Rotary) structure
-Optimize compressor drive technology
- Highly robust bearings
-Compact structure
2.2 High performance heat exchanger
The new designed window fins enlarge the heat-exchanging area,
which decrease the air resistance, save more power and enhance heat
exchan
ge performance.
Hydrophilic film fins and inner-threaded copper pipes optimize heat
New designOriginal design
High efficiency inner-thread pipe,
enhance heat transfer.
exchange efficiency.
2.3 Low-operating sound design
Optimally design fan shape and new designed discharge air grille and air deflector, making higher air volume
and reduces running noise..
Air deflector
New grille
New fan
4
2.4 High efficiency
1
2
EER
3.5
3
.5
2
.5
1
0.5
0
3.23
5kW7kW10kW12kW14kW16kW
COP
3.5
3.24
3.11
3.2
3.39
3.5
3.31
3.31
3.21
3.25
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
3.20
3.30
3
2.5
2
1.5
1
0.5
0
5kW7kW10kW12kW14kW1 6kW
2.5 Wideoperationtemperaturerange
Stable and safe running at wide ambient temperature range, cooling performance from -5 ˚C to 46˚C,
heating from -15˚C to 27˚C.
COOLING MODE
-5°C
46°C
HEATING MODE
-15°C
-20
-10
0 10203040
27°C
50
°C(D.B.)
Outdoor temp.
2.6 Energy saving and high reliability
By adopting high efficiency plate heat exchanger, the energy consumption can be reduced.
5
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
a. Metallic protective cabinet with rustproof polyester paint;
b. Built-in with voltage protection, current protection, anti-freezing protection, water flow protection and
etc., effectively guarantee the system to work safely.
2.7 User friendly remote control
Switch SW4_1(10kW) or SW3_1(12-16kW) on the PCB to ON to enable the following remote control
functions. The setting is not default at factory.
Remote shut down
Remote cooling and heating
Note:When all controller controls together, the unit will work according to the last order.
5/7kW will be available soon.
2.8 Flexible and convenient control
Built-in electronic controller at factory.
Compact devices with advanced function and friendly user interface.
The chiller can be controlled by wired controller (KJR-120F/BMK-E)
also which is optional chosen.
Note: When connecting wired controller, outdoor unit control panel is mainly used for display which can
check parameters and inquiry, and can’t be used to set mode and temperature.
Built-in water pressure gauge. Inspect the water pressure all the time.
2.9 Integrated and compact design
Fully integrated and built-in hydraulic module, such as expansion tank, plate type of heat exchanger,
water circulating pump, etc. It saves installation space and cost.
2.10 EXV control flow more precisely
Patented liquid distribution components to maximize performance and minimize defrost impact.
Stable and accurate gas flow control. EXV achieves 500 pulses to adjust flow precisely. Ensure the
temperature-control precisely and steadily to provide a comfortable environment.
6
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
Fast respond resulting in higher efficiency and improved reliability.
100%
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
45%
40%
35%
30%
25%
20%
15%
10%
2.11 Water pump starts/stops compulsory function
Press “Check” button for 3 seconds to start the water pump operating when the unit is standby. Press
“Check” button for 3 seconds again to stop the water pump.
7
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
3. Description of main components
Structure
Panels and base are made from galvanized steel plate painted with epoxy power to ensure total resistance
to atmospheric pollution, conde
Condenser coils:
The coils are made from high performance and seamless copper tuber and high surface area aluminum fins
to ensure optimum heat exchange capability. Condenser coil protection grill is standard.
Fan motor:
To achieve high efficiency heat exchange, the unit is equipment with the high performance axial-flow fans.
The fan is driven directly by weather proof motor to ensure reliable operation, the fan motor is six-pole
electric motor with built-in thermal cut-out.
Evaporator:
The heat exchanger is made of AISI 316 stainless steel to ensure high heat exchange efficiency, complete
with electric heater and differential pressure switch. The complete heat exchanger is insulated with thermal
insulation closed cell rubber foam to give optimum thermal insulation.
Hydraulic module:
It is fully integrated and equipped with key hydraulic components such as expansion tank, plate type of
heat-exchanger, water circulating pump.
The water pressure difference switch is provided in the units to protect against damage to the water pump.
Power and control electrical panel
Power and control electrical panel constructed in accordance with IEC 204-1/EN60335-2-40, complete with
compressor contactor, control via control panel.
nsate collection pan as standard.
11
12
1
1 Electrical p
anel
2 Display panel
3 Plate heat exchanger
4 4-way valve
5 High pressure switch
6 Low pressure switch
7 Water Pump
8 Accumulator
9 Water flow switch
10 Compressor
11 Condenser
12 Expansion tank
13 Axial-flow fan
11 Electrical panel
12 High pressure switc
13 4-ways valve
14 Expansion tank
15 Pump
16 Low pressure switch
17 Storage tank
18 Compressor
19 Water supply valve
9
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
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3
r
2
r
r
4. Specifications
Model
Power supply V-Ph-Hz
Cooling*(1)
Cooling*(2)
Heating*(3)
Heating*(4)
EER*(1)kW/kW 3.233.11
EER*(2)kW/kW 5.164.28
Max. input consumption kW 2.83.0
Max. input current A 14.615.6
Compressor
Outdoor fan
motor
Outdoor coil
Water pump
Outdoor air flow m3/h51005100
ThrottleEXV+capillaryEXV+capillary
Outdoor noise level (sound pressure)*(3) dB(A) 5858
Water flo
The plate heat-exchanger water pressure
drop
The Max. and Min. water inlet pressure kPa
Outdoor
unit
Refrigerant
Connection
wiring
Pipe
diameter
ControlWired controlle
Ambient temperature ℃ Cooling: -5℃~46℃; Heating: -15-27℃(Antifreeze must be added below 5℃)
Water outlet temperature range ℃Cooling: 4~20 ℃; Heating: 30~55 ℃
ModelSNB172FJGMCSNB172FJGMC
TypeROTARYROTARY
BrandMitsubishi ElectricMitsubishi Electric
CapacitykW5.465.46
InputkW1.641.64
Rated load current A 8.18.1
Locked rotor Amp A 29.529.5
Thermal protector
Refrigerant oil ml FV50S,400FV50S,400
Model
Type
Brand
Input
Speed
Number of rows22
Tube pitch(a)× row pitch(b) mm
Fin spacing mm 1.61.6
Fin typeHydrophilic aluminum foilHydrophilic aluminum foil
Tube outside dia. and type mm
Coil length ×height mm 885×880885×880
Number of circuits66
TypeRS15/6-3-WILORS15/6-3-WILO
Input (H/M/L) W 93/67/4693/67/46
Pumping head m 5.55.5
Net dimension (W×H×D) mm 990×966×354990×966×354
Packing dimension
(W×H×D)
Net/ Gross weight kg 81/9181/91
TypeR410AR410A
Charged volume kg 2.52.5
Power wi
Signal wire mm2
InputkW3.423.45
Rated load current A 6.856.9
Locked rotor Amp A 5244
Thermal protector
InnerInner
Refrigerant oil ml VG74,1400VG74,1400
Outdoor fan
motor
Model
Type
Brand
Input
Speed
W100100
r/min800800
WZDK100-38GWZDK100-38G
DC Motor DC Motor
PanasonicPanasonic
Number of rows22
Tube pitch(a)× row pitch(b) mm
22×19.0522×19.05
Fin spacing mm 1.61.6
Outdoor coil
Fin typeHydrophilic aluminum foil
Tube outside dia. and type mm
φ7.94φ7.94
Inner grooved copper tube
Coil length ×height mm 1276×8701276×870
Number of circuits77
TypeRL25/8.5RL25/8.5
Water pump
Input (H/M/L) W 210/175/120210/175/120
Pumping head m 88
Outdoor air flow m3/h70007000
ThrottleEXVEXV
Outdoor noise level (sound pressure)*(3) dB(A) 5959
Water flo
The plate heat-exchanger water pressure
drop
The Max. and Min. water inlet pressurekPa
m
/h1.721.92
kPa1818
500/150500/150
Net dimension (W×H×D) mm 970×1327×400970×1327×400
Outdoor
unit
ng
W×H×D)
mension
mm1082×1456×4351082×1456×435
Net/ Gross weight kg 110/121110/121
TypeR410AR410A
Refrigerant
Connection
wiring
Pipe
diameter
ControlWired controlle
Charged volume kg 2.8 2.8
Power wi
emm
Signal wire mm2
3×4.05×3.0
3×0.753×0.75
Water inlet/outlet inch 1-1/4”1-1/4”
Wired controlle
Ambient temperature ℃ Cooling: -5℃~46℃; Heating: -15-27℃(Antifreeze must be added below 5℃)
Water outlet temperature range ℃Cooling: 4~20 ℃; Heating: 30~55 ℃
Note: Specifications are based on the follo
wing conditions:
11
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
w
3
Packi
d
i
(
r
2
r
r
1. Cooling: (*1) chilled water inlet/outlet temperature: 12/7°C,outdoor ambient temperature 35°C DB.
(*2) chilled water inlet/outlet temperature: 23/18°C,outdoor ambient temperature 35°C DB.
2. Heating: (*3) warm water inlet/outlet temperature: 40/45°C,outdoor ambient temperature 7°C DB/6°C WB .
(*4) warm water inlet/outlet temperature: 30/35°C,outdoor ambient temperature 7°C DB/6°C WB .
3.It is tested 1m away in front of the unit in a semi-anechoic room(sound pressure).
4.The above data may be changed without notice for future improvement on quality and performance.
InputkW3.453.45
Rated load current A 6.96.9
Locked rotor Amp. A 4444
Thermal protector
InnerInner
Refrigerant oil ml VG74,1400VG74,1400
Outdoor fan
motor
Model
Type
Brand
Input
Speed
W100100
r/min800800
WZDK100-38GWZDK100-38G
DC Motor DC Motor
PanasonicPanasonic
Number of rows22
Tube pitch(a)× row pitch(b) mm
22×19.0522×19.05
Fin spacing mm 1.61.6
Outdoor coil
Fin typeHydrophilic aluminum foil
Tube outside dia. and type mm
φ7.94φ7.94
Inner grooved copper tube
Coil length ×height mm 1276×8701276×870
Number of circuits77
TypeRL25/8.5RL25/8.5
Water pump
Input (H/M/L) W 210/175/120210/175/120
Pumping head m 88
Outdoor air flow m3/h70007000
ThrottleEXVEXV
Outdoor noise level (sound pressure)*(3) dB(A) 6060
Water flo
The plate heat-exchanger water pressure
drop
The Max. and Min. water inlet pressure kPa
m
/h2.152.49
kPa1819
500/150500/150
Net dimension (W×H×D) mm 970×1327×400970×1327×400
Outdoor
unit
ng
W×H×D)
mension
mm1082×1456×4351082×1456×435
Net/ Gross weight kg 111/122111/122
Refrigerant
Connection
wiring
Pipe
diameter
ControlWired controlle
TypeR410AR410A
Charged volume kg 2.93.2
Power wi
emm
Signal wire mm2
5×3.05×3.0
3×0.753×0.75
Water inlet/outlet inch 1-1/4’’1-1/4’’
Wired controlle
Ambient temperature ℃ Cooling: -5℃~46℃; Heating: -15-27℃(Antifreeze must be added below 5℃)
Water outlet temperature range ℃Cooling: 4~20 ℃; Heating: 30~55 ℃
12
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
Note: Specifications are based on the following conditions:
1. Cooling: (*1) chilled water inlet/outlet temperature: 12/7°C,outdoor ambient temperature 35°C DB.
(*2) chilled water inlet/outlet temperature: 23/18°C,outdoor ambient temperature 35°C DB.
2.Heating: (*3) warm water inlet/outlet temperature: 40/45°C,outdoor ambient temperature 7°C DB/6°C WB .
(*4) warm water inlet/outlet temperature: 30/35°C,outdoor ambient temperature 7°C DB/6°C WB .
3.It is tested 1m away in front of the unit in a semi-anechoic room(sound pressure).
4.The above data may be changed without notice for future improvement on quality and performance.
1 Compressor
2 4-Way Valve
3 Accumulatior
4 Air Side Heat Exchanger
5 Electronic Expansion Valve
6 Storage Tank
7 Strainer
8 Water Side Heat Exchanger
(Plate Heat Exchange)
9 Differential Pressure Switch
10 High Pressure Switch
11 Low Pressure Switch
12 Discharge Gas thermistor
13 thermistor For Outdoor Temperature
14 Thermistor For Evaporation In Heating
(Thermistor For Condenser In Cooling)
15 Thermistor For Plate Heat Exchange 1
16 Thermistor For Plate Heat Exchange 2
4
14
Cooling
Heating
17 Thermistor For Water Outlet
18 Thermistor For Water Inlet
19 Automatic Discharge Valve
20 Expansion Tank
21 Circulating Pump
22 Pressure Gauge
23 Safety Valve
24 Auto-watet replenishing
15
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
7. Wiring Diagram
MGRH5A-PA1Z, MGRH7A-PA1Z
16
MGRH10A-PA1Z
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
17
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
MGRH12A-PA3Z,MGRH14A-PA3Z,
MGRH16A-PA3Z
18
8. Electric Characteristics
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
Model
MGRH5A-PA1ZMGRH7A-PA1Z
MGRH10A-PA1ZMGRH12A-PA3ZMGRH14A-PA3ZMGRH16A-PA3Z
Remark:
MCA: Min. Current Amps. (A)
TOCA: Total Over-current Amps. (A)
MFA: Max. Fuse Amps. (A)
MSC: Max. Starting Amps. (A)
RLA: Rated Current Amps. (A)
OFM: Outdoor Fan Motor
FLA: Full Load Amps. (A)
kW: Rated Motor Output (kW)
1.During winter leaving the unit unused, please drain water out completely from unit if no anti-freeze were
charged into pipeline, or keep power on (at standby or off status) and ensure that water is contained inside
of unit.
2.When ambient temperature lower 5,℃ running cooling mode must be charged antifreeze. Refers to upper
parameters for the charged volume.
b)Fouling Factors
The performance data given refer to conditions with clean evaporator plates (fouling factor=1). For different
fouling factors, multiply the figures in the performance tables by the coefficient given in the following table.
Fouling factors Evaporator
(m 2 °C/W) f1 fk1 fx1
-5
4.4×10
0.86×10
1.72×10
f1 correction factor of capacity
fk1 power input correction factor of compre ssor
fx1 correction factor of total power input
-4
-4
-- -
0.960.990.99
0.930.980.98
27
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
11. Water Pressure Drop
MGRH5A-PA1Z, MGRH7A-PA1Z
MGRH10A-PA1Z
Heat exchanger pressure drop (water side) 研发提供
28
MGRH12A-PA3Z
Aqua Mini Full DC Inverter Unitary Chiller 50Hz
MGRH14A-PA3Z
29
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