Gree T1/R410A/50Hz User manual

MINI CHILLER SERVICE MANUAL
T1/R410A/50Hz
(GC201405-I)
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CONTENTS
PRODUCT......................................................................................................2
1 MODELS LIST .......................................................................................................... 2
2 NOMENCLATURE ..................................................................................................... 3
3 FUNCTION ................................................................................................................ 4
4 PRODUCT DATA ....................................................................................................... 5
5 PIPING DIAGRAM ..................................................................................................... 7
UNITS CONTROL..........................................................................................9
1 OPERATION FLOWCHART ...................................................................................... 9
2 MAIN LOGIC.............................................................................................................11
3 WIRED CONTROLLER .......................................................................................... 13
4 CONTROL WIRING DESIGN .................................................................................. 17
UNITS INSTALLATION ............................................................................... 19
1 UNITS INSTALLATION ............................................................................................ 19
2 WATER PIPING WORK ........................................................................................... 24
3 ELECTRIC WIRING WORK..................................................................................... 24
UNITS MAINTENANCE ..............................................................................30
1 ERROR CODE LIST ................................................................................................ 30
2 FLOW CHART OF TROUBLESHOOTING .............................................................. 31
3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS....................... 33
4 EXPLODED VIEWS AND PART LIST...................................................................... 45
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Mini Chiller
Service Manual
PRODUCT
QSPEVDU
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PRODUCT
1 MODELS LIST
1.1 Split Type
Model
Product Code
Nominal
Capacity
Power
Supply
Appearance
Refrigerant Model Name kW (V,Ph,Hz)
R410A
HLR8WZNa-M
HLR8WZNa-M(I) EM113N0030
7.5
380-415V 3Ph 50Hz
HLR8WZNa-M(O) EM113W0031
HLR10WZNa-M
HLR10WZNa-M(I) EM113N0020
10.0
HLR10WZNa-M(O) EM113W0020
EM113W0021
HLR12.5WZNa-M
HLR12.5WZNa-M(I) EM113N0040
12.5
HLR12.5WZNa-M(O) EM113W0040
HLR15WZNa-M
HLR15WZNa-M(I) EM113N0010
14.2
HLR15WZNa-M(O) EM113W0010
EM113W0011
Note:1Ton =12000Btu/h = 3.517kW
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1.2 Integral Type
Model
Product Code
Nominal
Capacity
Power
Supply
Appearance
Refrigerant Model Name kW (V,Ph,Hz)
R410A
HLR22SNa-M EM15000030 21.5
380-415V 3Ph 50Hz
HLR25SNa-M EM116N0270 22.8
HLR35SNa-M EM116N0260
EM116N0261 31
HLR45SNa-M EM15000040 42
Note:1Ton =12000Btu/h = 3.517kW
2 NOMENCLATURE
1.1 Split Type
HL R 15 W Z Na - M
123456 7
NO. Description Options
1 Mini chiller -
2 Product type R=Heat pump
3 Nominal Cooling Capacity
8:7.5kW=2.13RT
10:10 kW=2.84RT
12.5:12.5kW =3.55RT
15:14.2kW=4.04RT
4 Struct type Default=Vertical type
W=Horizontal type
53URGXFWFRQ¿JXUDWLRQ Z=Combination
6 Refrigerant Na=R410A, Default=R22
7 Voltage M=380-415V 3Ph 50Hz
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1.2 Integral Type
HL R 35 S Na - M
12345 6
NO. Description Options
1 Mini chiller -
2 Product type R=Heat pump
3 Nominal Cooling Capacity
22:21.5kW=6.11RT
25:22.8kW=6.48RT
35:31kW=8.82RT
45:42kW=11.94RT
4 Refrigeration Circuits Default=One circuit
S=Twin circuit
5 Refrigerant Na=R410A, Default=R22
6 Voltage M=380-415V 3Ph 50Hz
3 FUNCTION
Indoor Unit Type Function Description
Split Type
Heating/Cooling
Interface kit for up to 16 indoor units
Memory restart
Two circuits optimized design
Low noise design
Safety and reliability thanks to advance
compressor balance control
Integral Type
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4 PRODUCT DATA
4.1 Product Data at Rated Condition
4.1.1 Split Type
Models
HLR_WZNa-M
8 10 12.5 15
Product Code
Indoor unit EM113N0030 EM113N0020 EM113N0040 EM113N0010
Outdoor unit EM113W0031 EM113W0020
EM113W0021 EM113W0040 EM113W0010
EM113W0011
Nominal Capacity
Cooling
kW 7.5 10 12.5 14.2
Btu/h 25590 34120 42650 48450
RT 2.13 2.84 3.55 4.04
Heating
kW 9 12 13 16.5
Btu/h 30708 40944 44356 56298
RT 2.56 3.41 3.70 4.69
Power Consumption
Cooling kW 3.5 4.4 5.7 5.7
Heating kW 3.3 4.4 4.8 5.3
Power Supply 380-415V,3Ph,50Hz
Safeties
high-pressure protection,low-pressure protection,exhaust temp. protection,overload
protection,antifreeze protection
Refrigerant
Type R410A
Charge kg 3.10 3.55 4.50 5.00
Compressor
Type Constant Speed scroll
NO. 1111
Evaporator
Heat Exchanger Tube-in-Tube
Water In/Out
Pipe Diameter Inch 1"Female BSP 1"Female BSP 1"Female BSP 1"Female BSP
Condenser
Heat Exchanger $OXPLQXP¿QFRSSHUWXEH
Fan Motor Power Input kW 0.092 0.068 0.092 0.092
Fan quantity 1222
Pump
Water Flow
L/s 0.38 0.48 0.59 0.72
GPM 5.0 6.3 7.79 9.5
Delivery Lift m 18 18 18 18
Power Input kW 0.55 0.55 0.55 0.55
Expansion Vessel Volume L 5555
Indoor
Unit
Unit /
Packing
Dimension
Width mm 1100/1285 1100/1285 1100/1285 1100/1285
Depth mm 450/682 450/682 450/682 450/682
Height mm 288/385 288/385 288/385 288/385
Net/Gross Weights kg 84/96 84/96 84/96 84/96
Outdoor
Unit
Unit /
Packing
Dimension
Width mm 950/1110 950/1110 950/1110 950/1110
Depth mm 412/450 412/450 412/450 412/450
Height mm 840/985 1250/1385 1250/1385 1250/1385
Net / Gross Weights kg 90/100 112/123 115/129 119/129
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4.1.2 Integral Type
Models
HLR_SNa-M
22 25 35 45
Product Code EM15000030 EM116N0270 EM116N0260
EM116N0261 EM15000040
Nominal
Capacity
Cooling
kW 21.5 22.8 31 42
Btu/h 73358 77794 105772 143304
RT 6.11 6.48 8.82 11.94
Heating
kW 25 25 37.5 49
Btu/h 85300 85300 127950 167188
RT 7.11 7.11 10.66 13.93
Power
Consumption
Cooling kW 8.6 8.8 11.9 18.3
Heating kW 8.6 8.9 12.5 17.5
Power Supply 380-415V 3Ph 50Hz
Safeties high-pressure protection,low-pressure protection,exhaust temp. protection,overload
protection,antifreeze protection
Refrigerant
Type R410A
Charge kg 3.6×2 4.8×2 6.5×2 7.3×2
Compressor
Type Constant Speed scroll
NO.2222
Evaporator
Heat Exchanger Tube-in-Tube Tube-in-Tube Dry Expansion
Evaporator
Dry Expansion
Evaporator
Water In/
Out Pipe
Diameter
Inch 1"Female BSP 1"Female BSP 1-1/2"Female BSP 1-1/2"Female BSP
Condenser
Heat Exchanger $OXPLQXP¿QFRSSHUWXEH
Fan Motor
Power Input kW 0.4 0.4 0.6 0.8
Pump
Water Flow
L/s 0.92 1.2 1.4 2.2
GPM 4.06 5.29 6.17 9.7
Delivery Lift m 22 24 25 27
Power Input kW 0.75 0.75 1.5 1.5
Expansion Vessel Volume L 8888
Unit / Packing
Dimension
Width mm 1460/1540 1460/1540 1750/1910 1750/1910
Depth mm 530/710 530/710 800/960 800/960
Height mm 1850/2100 1850/2100 1760/1970 1760/1970
Net/Gross Weights kg 380/387 380/392 680/690 755/765
Notes˖
a. Cooling capacity is based on the following conditions˖leaving chilled water temp.7ć,outdoor air temp. 35ć
b. Heating capacity is based on the following conditions˖leaving warmed water temp.45ć, outdoor air temp. 7ć
c. :DWHUÀRZUDQJHIRURSHUDWLRQPXVWEHIURPWRRIWKHUDWHGZDWHUÀRZ
d. The maximum allowable pressure for water pipe is 0.9MPa.
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4.2 Operation Range
Mode Range of Outdoor Temperature (ć)
Cooling 16~43
Heating -15~28
4.3 Electrical Data
4.3.1 Split Type
Model
Rated
Power
Supply
Compressor
Fan Motor
Pump Total
Outdoor
NO. LRA each
(A)
MRC each
(A) NO. MRC (A)
MRC
(A)
MRC
(A)
NRC
(A)
HLR8WZNa-M
380-415V
3Ph 50Hz
1 65 9.1 1 1.5 0.7 9.4 7.0
HLR10WZNa-M 1 66 11.6 2 2.0 0.7 13.0 8.5
HLR12.5WZNa-M 1 67 13.7 2 2.0 0.7 14.5 10.5
HLR15WZNa-M 1 67 13.7 2 2.0 0.7 14.5 10.5
4.3.2 Integral Type
Model
Rated
Power
Supply
Compressor Fan Motor Pump Total
NO. LRA each
(A)
MRC each
(A)
NO. MRC
(A)
MRC
(A)
MRC
(A)
MRC
(A)
HLR22SNa-M
380-415V
3Ph 50Hz
2 73 11.6 2 5.0 1.5 19.5 14.5
HLR25SNa-M 2 66 13.5 2 5.0 1.5 23.5 18.5
HLR35SNa-M 2 101 16.4 2 7.5 3.0 28.5 24.5
HLR45SNa-M 2 110 22.5 2 7.5 3.0 45.0 31.0
Notes:
a. LRA: Locked rotor amps (A).
b. MRC: Maximum running current (A).
c. NRC: Nominal running current (A).
5 PIPING DIAGRAM
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Mini Chiller
Service Manual
CONTROL
DPOUSPM
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Mini Chiller
Service Manual
DPOUSPM
UNITS CONTROL
1 OPERATION FLOWCHART
1.1 Cooling Operation
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Mini Chiller
Service Manual
DPOUSPM
1.2 Heating Operation
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2 MAIN LOGIC
2.1 Cooling Mode
When pressing ON button, if the outdoor temperature is above 16ćZDWHUSXPSZLOOVWDUW¿UVW$IWHUVLI
the outlet water temperature meets the cooling running requirements, the fans of outdoor unit will start. Then the
compressor will run in 15s. During the period of cooling, the unit will be turned off if the outlet water temperature
meets the stopping requirements and the running time of compressor is over the shortest running time required.
The fans of outdoor unit will stop in15s.
If the outdoor temperature is below 16ć, the unit will stop, and all loads except the water pump will be turned off.
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2.2 Heating Mode
When pressing ON button, if the outdoor temperature is below 28 ćWKHZDWHUSXPSZLOOVWDUW¿UVW$IWHU
30s, if the outlet water temperature meets the heating running requirements, the fans of outdoor unit will start.
Then the compressor will run in 15s. During the period of cooling, the unit will be turned off if the outlet water
temperature meets the stopping requirements and the running time of compressor is over the shortest running
time required. The fans of outdoor unit will stop in15s.
If the outdoor temperature is over 28ć, the unit will stop, and all loads except the water pump will be turned off.
2.3 Defrosting Mode
The condition of start defrosting mode:
Under heating mode, if the accumulative running time of compressor is over the set interval time of
defrosting(default 45min), and the defrosting temperature is lower than the set starting temperature (default -4ć) ,the
unit will start running defrosting mode, and the 4-way valve will shut off and the outdoor fan will stop after 2s.
The condition of quit defrosting mode:
Under defrosting mode, if the continual defrosting time is over the set continual time of defrosting (default 8min),
and the defrosting temperature is over the set stopping temperature(default 20ć), the unit will restart running heating
mode, and the 4-way valve will turn on and the outdoor fan will run.
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3 WIRED CONTROLLER
3.1 Dimension
20.4
3.2 Function
3.2.1 Operation View
EXIT
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NO. Name Function description
1 MODE button It can switch between cooling and heating, this button is available only on cooling and heating unit.
2 CHECK button
Press it once under normal state to enter check mode, under check mode, press this button when “17”
is displayed can change the value of “17”. Under parameter set mode, press this once can switch
the adjusting objection between parameter and value, press this button for long (about 5s) to save
and quit this parameter setting.
3 Increasing button To increase present set value or change set/check object.
4 Decreasing button To decrease present set value or change set/check object.
5 EXIT button
Under Set and Check mode, press it once to quit this mode. Under parameter set mode, this set
value would not be saved. Press this button for long (about 5s) to set sound, and make sound
switches between always on and always off.
6 ON button To turn on the unit; when under compel operation, press it once to quit compel operation.
7 OFF button To turn off the unit; press it once to quit compel operation when the unit is under compel operation.
8 LCD display Display information of the unit.
Notes:
a. Turn On, Off Auxiliary Heater: It is only available for heat pump unit. Press Check once to enter Check
PRGH3UHVVŸDQGźWRFKDQJHFKHFNREMHFWSUHVV&KHFNDJDLQWLOOWKHSUHVHQWFKHFNREMHFWEHFRPHV
“17”, value “17” switches between 01/03 (auxiliary heater on) and 00/02 (auxiliary heater off). That is 00
Off ĺ01 On ĺ00 Off, or 02 Off ĺ03 On ĺ02 Off.
b. Check Parameter:After electrify for 20s, press EXITWKHQŸWRHQWHUSDUDPHWHUFKHFNLQJPRGH8QGHUWKLV
mode, Auxiliary display area shows the checking object, Main display area displays the value for the
FKHFNLQJREMHFW3UHVVŸDQGźWRFKDQJHWKHFKHFNLQJREMHFW3UHVVEXIT to quit from the check mode.
EXIT
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NO. Name Function description
1 Running mode display : cooling mode, : heating mode
2 Temp display It shows temperature value displays at main display area.
3 Auxiliary display area It contains 2 numbers and a comma, for showing temperature and number of parameter at main
display area. It only displays when under Check mode and Parameter checking mode.
4 Main display area
It contains a minus, 2 numbers and 1 temperature unit, for displaying value of temperature and
parameter (temperature or time value) and error code. When temperature value is displayed, it
shows value in algorism and temperature unit; when time is displayed, it shows algorism value
but no temperature unit (default unit is min); when it is code, it displays specific error (refer to
Malfunction Error List) but no temperature unit. Individual temperature or parameter may exceed
99, then adopt AX for 100 109, bX for 110 119, CX for 120 129, dX for 130 139, EX for
140 149, FX for 150 159, and X stands for a number between 0 9. Under normal state, it
shows temperature for back water.
5 Parameter display It means the value shown at present main display area is parameter. It shows only under
Parameter Check mode.
6 Defrost display It displays when defrosting, otherwise it doesn’t displays.
7 System ID It displays when system or compressor orders, for showing which system is defrosting.
8 Testing display For testing, it displays under compel operation.
9 Error code display It shows the error code displayed on Main Display Area. It displays when there is error at system
or communication.
Caution:
a. When unit is off, it displays only temperature of back water. When unit is on, under normal state, if there
is no error, it displays temperature of back water, if there is error, it displays error code; when there is no
operation after 60s of pressing the button, it quit back to normal state display automatically.
Auto antifreeze operation display (only for heat pump unit)
b. :KHQDXWRDQWLIUHH]HIXQFWLRQLVVWDUWHGDQGUHOHYDQWFRQGLWLRQVDUHVDWLV¿HGXQLWEHJLQVDXWRDQWLIUHH]H
operation. At this time, LCD main display area displays code d2 (if there is error it displays error code).
3.3 Installation
a. First select an installation position. According to the size of the communication line of the wire controller,
leave a recess or an embedded wire hole to bury the communication line.
b. If the communication line between the wire controller (85×85×20.4) and the indoor unit is surface-
mounted, use 1# PVC pipe and make matching recess in the wall (refer to Figure 6); If concealed
installation is adopted, 1# PVC pipe can be used (Refer to Figure 7).
c. No matter if surface mounting or concealed mounting is selected, it is required to drill 2 holes (in the same
level) which distance shall be the same as the distance (60mm) of installation holes in the bottom plate of the
wire controller. Then insert a wood plug into each hole. Fix the bottom plate of the wire controller to the wall
by using the two holes. Plug the communication line onto the control panel. Lastly install the panel of the wire
controller.
Caution:
During the installation of the bottom plate of the wire controller, pay attention to the direction of the bottom
plate. The plate’s side with two notches must be at the lower position, and otherwise the panel of the wire
controller cannot be correctly installed.
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Fig 8 Schematic Diagram of Installation
No. Name
1 Wall Surface
2 Bottom Plate of Wire Controller
3 Screw M4×10
4 Panel of Wire Controller
Caution:
a. The communication distance between the main board and the wire controller can be as far as 20m (The
standard distance is 8m).
b. The wire controller shall not be installed in a place where there is water drop or large amount of water vapor.
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4 CONTROL WIRING DESIGN
The controllers of the split type unit include manual controller, indoor unit controller and outdoor unit
controller. The indoor unit controller communications with manual controller and outdoor unit controller in
RS485. The indoor unit controller connects manual controller with 4-line twisted-pair. Similarly, the indoor unit
controller connects outdoor unit controller with 4-line twisted-pair.
Indoor Unit Controller
The controllers of the Integral type unit include manual controller and outdoor unit controller. The manual
controller communications with outdoor unit controller in RS485. The manual controller connects outdoor unit
controller with 4-line twisted-pair.
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INSTALLATION
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