Gree T1/R22 Service Manual
  1. Manuals
  2. Brands
  3. Gree Manuals
  4. Chiller
  5. T1/R22
  6. Service manual
Gree T1/R22 Service Manual

Gree T1/R22 Service Manual

Mini chiller
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Mini Chiller Service Manual
（T1/R22/50Hz）
GREE ELECTRIC APPLIANCES INC. OF ZHUHAI

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the T1/R22 and is the answer not in the manual?

Questions and answers

Related Manuals for Gree T1/R22

Summary of Contents for Gree T1/R22

  • Page 1 Mini Chiller Service Manual （T1/R22/50Hz） GREE ELECTRIC APPLIANCES INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    MINI CHILLER PRODUCT CONTENTS PRODUCT INTRODUCTION...................2 1 MODELS LIST..........................2 1.1 Split Type ........................... 2 1.2 Integral Type ........................3 2 NOMENCLATURE ........................4 1.1 Split Type ........................... 4 1.2 Integral Type ........................4 3FUNCTION ........................... 4 4 PRODUCT DATA......................... 5 4.1 Product Data at Rated Condition..................

  • Page 3: Product Introduction

    MINI CHILLER PRODUCT PRODUCT INTRODUCTION 1 MODELS LIST 1.1 Split Type Nominal Model Power Supply Appearance Capacity Refrigerant Model Name (V,Ph,Hz) Outdoor Unit indoor Unit 220～240 1Ph 50Hz HLR8WZ-K HLR10WSZ-K 10.0 HLR12.5WSZ-K 12.5 HLR15WSZ-K 15.0 Note:1Ton =12000Btu/h = 3.517kW...

  • Page 4: Integral Type

    MINI CHILLER PRODUCT 1.2 Integral Type Nominal Model Power Supply Capacity Appearance Refrigerant Model Name (V,Ph,Hz) HLR19S/A-M HLR25S/A-M HLR32S/A-M 380~415V 3Ph 50Hz HLR35S/A-M HLR45S/A-M Note:1Ton =12000Btu/h = 3.517kW...

  • Page 5: Nomenclature

    MINI CHILLER PRODUCT 2 NOMENCLATURE 1.1 Split Type HL R 15 W S Z - K (O) Description Options Mini chiller Default=Cooling only Product type R=Heat pump 8=8kW 10= kW Nominal Cooling Capacity 12.5= kW 15= kW Default=Vertical type Structure type W=Horizontal type Default=One circuit Refrigeration Circuits...

  • Page 6: Product Data

    MINI CHILLER PRODUCT 4 PRODUCT DATA 4.1 Product Data at Rated Condition 4.1.1 Split Type HLR_WSZ-K Models 12.5 12.5 Btu/h 27300 34120 42650 51180 Cooling Nominal Capacity Heating Btu/h 307000 37550 44356 54600 Cooling Power Consumption Heating 2.95 Power Supply 220~240V,1Ph,50Hz High/Low pressure switch, compressor thermal protection, over Safeties...
  • Page 7 MINI CHILLER PRODUCT 4.1.2 Integral Type HLR S/A-M Models Btu/h 64828 85300 109184 119420 153540 Cooling Nominal Capacity Heating Btu/h 71650 92124 109276 129656 184248 10.8 15.4 Cooling 16.3 Power Consumption Heating 6.56 8.85 10.8 17.5 Power Supply 380~415V 3Ph 50Hz High/Low pressure switch, compressor thermal protection, over current Safeties protection, lose of phase/anti-phase protection, antifreeze protection, water flow...

  • Page 8: Operation Range

    MINI CHILLER PRODUCT 4.2 Operation Range Mode Range of Outdoor Temperature ℃ ℃ Cooling 16~48 Heating -15~28 4.3 Pressure-loss Conversion Chart Water Flow （m3/h） The percentage （%） Loss of Pressure (kPa) NOTE: The percentage is contrasted to nominal water flow. 4.4 Electrical Data 4.4.1 Split Type Fan Motor...

  • Page 9: Piping Diagram

    MINI CHILLER PRODUCT 5 PIPING DIAGRAM Inlet Outlet High-pressure Relief Flow Expansion Shell and tube heat switch valve switch drum exchanger Pump Compressor Low-pressure Heating circuit switch Four-way valve Cooling circuit High pressure tank Liquid-gas separator Aluminum fin-copper tube coil...
  • Page 10 GREE COMMERCIAL AIR CONDITIONERS MINI CHILLER CONTROL...

  • Page 11: Units Control

    MINI CHILLER CONTROL UNITS CONTROL 1 OPERATION FLOWCHART 1.1 Cooling Operation...

  • Page 12: Heating Operation

    MINI CHILLER CONTROL 1.2 Heating Operation Power Open unit running in heating mode Pump running Satisfying open comp condition Outdoor fan, compressor and valve running Temp of back water ≥ (Set temp + 5) (spilt type) Temp of back water ≥...

  • Page 13: Main Logic

    MINI CHILLER CONTROL 2 MAIN LOGIC 2.1 Cooling Mode When press ON button, if the outdoor temperature is over 16℃, it starts the water pump first after 30s.If the outlet water temperature meets the cooling running requirements, it starts the fans of outdoor unit.
  • Page 14 MINI CHILLER CONTROL 2.2 Heating Mode When press ON button, if the outdoor temperature is below 28℃, it starts the water pump first after 30.If the outlet water temperature meets the heating running requirements, it starts the fans of outdoor unit.

  • Page 15: Wired Controller

    MINI CHILLER CONTROL 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 -4 ) ,the unit will start running defrosting mode, and the 4 ℃...

  • Page 16: Function

    MINI CHILLER CONTROL 3.2 Function 3.2.1 Operation View MODE CHECK QUIT Name Function description It can switch between cooling and heating, and this button MODE button is available only in cooling and heating mode. Press it once under normal state to enter check mode. Under Check mode, pressing this button when “17”...
  • Page 17 MINI CHILLER CONTROL Note： (1) Turn On, Off Auxiliary Heater: It is only available for heat pump unit. Press CHECK once to enter Check mode. Press ▲ and ▼ to change check object, press CHECK again till the present check object becomes “17”, value “17” switches between 01/03 (auxiliary heater on) and 00/02 (auxiliary heater off).
  • Page 18 MINI CHILLER CONTROL 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. It means the value shown at present main display area is parameter. It Parameter display shows only under Parameter Check mode.
  • Page 19 MINI CHILLER CONTROL PVC pipe Fig6 ： Surface Mounting of Cable Fig7 ： Concealed mounting of Cable Fig 8 Schematic Diagram of Installation Name Wall Surface Bottom Plate of Wire Controller Screw M4X10 Panel of Wire Controller Caution: 1. The communication distance between the main board and the wire controller can be as far as 20m (The standard distance is 8m).

  • Page 20: Control Wiring Design

    MINI CHILLER CONTROL 4 CONTROL WIRING DESIGN Indoor Unit Controller twisted-pair twisted-pair Outdoor Unit Controller Manual Unit Controller 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.
  • Page 21 GREE COMMERCIAL AIR CONDITIONERS MINI CHILLER INSTALLATION...

  • Page 22: Units Installation

    MINI CHILLER INSTALLATION UNITS INSTALLATION 1 UNITS INSTALLING 1.1 Installation Positions For indoor unit: Fix the indoor unit bracket to the wall using appropriate plugs and screws. Hang the indoor unit on the top wall mounting bracket. Fix the indoor unit at the bottom side using appropriate plugs and screws. For outdoor unit: The installation is frost-free.

  • Page 23: Installation Clearance Data

    MINI CHILLER INSTALLATION HLR8WZ-K 1250 HLR10WSZ-K 1250 HLR12.5WSZ-K 1250 1100 HLR15WSZ-K 1.4 Installation Clearance Data Split type（Outdoor unit） air inlet air outlet unit：mm demonstration distance >500 >1000 >500 >500 Split type（Indoor unit） Seismic Spring Isolators unit：mm demonstration distance >250 >800 >1200 Integral Type...
  • Page 24 MINI CHILLER INSTALLATION >2000...

  • Page 25: Water Piping Work

    MINI CHILLER INSTALLATION 2 WATER PIPING WORK 2.1 Installation Procedure For all guidelines, instructions and specifications regarding refrigerant, pipework between the indoor unit and the outdoor unit, please refer to the outdoor unit installation manual. The units are equipped with a water inlet and water outlet for connection to a water circuit must be provided by a licensed technician and must comply with all relevant national regulations.

  • Page 26: Circuit Diagram

    MINI CHILLER INSTALLATION HLR19S/A-M 380 ～ 415V,3,50 HLR25S/A-M 380 ～ 415V,3,50 HLR32S/A-M 380 ～ 415V,3,50 HLR35S/A-M 380 ～ 415V,3,50 HLR45S/A-M 380 ～ 415V,3,50 Note： 3.4 Circuit Diagram 3.4.1 Circuit Diagram-Split Type 3.4.1.1 Outdoor Units Model: HLR8WZ-K Ⅰ Ⅳ Ⅲ Ⅱ indoor unit BUBK...
  • Page 27 MINI CHILLER INSTALLATION POWER Ⅰ Ⅳ Ⅲ Ⅱ 5 1 4 6 BK BN BU YE COMP1 COMP2 compressor1 compressor2 Fan motor 2 Fan motor 1 indoor YEGN YEGN unit YEGN YEGN COMPONENT POSITION DIAGRAM Model: HLR15WSZ-K 63622212...
  • Page 28 MINI CHILLER INSTALLATION 3.4.1.2 Indoor Units POWER 13OG 14GN XT1-2 HEATER XT1-1 pump YEGN heat1 end_switch pump flow in CN13 Water-Inlet Temp.Sensor CN11 flow out Water-Outlet CN12 Temp.Sensor anti-ice1 Frost-proof +12V Temp.Sensor COMPONENT POSITION DIAGRAM OUTDOOR UNIT controller 3.4.2 Circuit Diagram- Integral Type Model: HLR19S/A-M, HLR25S/A-M, HLR32S/A-M R S T Ⅰ...
  • Page 29 MINI CHILLER INSTALLATION HLR35S/A-M, HLR45S/A-M Specification: Auxiliary electric heater is optional part for heat pump unit, once it is used, please connect the temp. restricter HT1 with XT2-10 and XT2-11. 2. Cooling only type unit do not have below parts: KM5, Auxiliary electric heater, LP12, LP22, RT5 , RT6,YV1,YV2. 3.
  • Page 30 GREE COMMERCIAL AIR CONDITIONERS MINI CHILLER MAINTENANCE...

  • Page 31: Units Maintenance

    MINI CHILLER MAINTENANCE UNITS MAINTENANCE 1 ERROR CODE LIST Code Indication Error Name Control Description Comp. 1 High-pressure Press ON/OFF key to clear protection System 1 antifreezing Auto resume protection Comp. 1 Low pressure Press ON/OFF key to clear protection Comp.

  • Page 32: Flow Chart Of Troubleshooting

    MINI CHILLER MAINTENANCE 2 FLOW CHART OF TROUBLESHOOTING The unit cannot Power off Stop and restart start If the power supply is normal If fuse burnt Replace the fuse If phase If three-phase Adjust any two sequence unit phases protection If the power of Cut off the power, If the power...

  • Page 33: Disassembly And Assembly Procedure Of Main Parts

    MINI CHILLER MAINTENANCE 3 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS 3.1 Split Type 3.1.1 Outdoor Unit...
  • Page 34 MINI CHILLER MAINTENANCE Operation Procedure Illustration (1) Remove the front case 1) Remove the panel ·Loosen the two tapping screws fixing the front grill. ·Pull down and remove the front grill. （See Fig. 2） Fig. 1 2) Remove the cover ·...
  • Page 35 MINI CHILLER MAINTENANCE 3）Remove the front plate. · Loosen the two tapping screws fixing the front plate. Remove the front plate.（See Fig. 5） grill Fig. 4 Fig. 5 4）Remove the grill · Loosen the two tapping screws fixing the grill. Remove the grill. （See Fig.
  • Page 36 MINI CHILLER MAINTENANCE (2) Remove the axial fan · Loosen the ball nuts fixing the axial fan and remove the washer.（See Fig. 7） ·Pull outward to remove the impeller. （See Fig. 7） Ball Nut Fig. 7 (3) Remove the motor ·...
  • Page 37 MINI CHILLER MAINTENANCE ·Loosen the two screws fixing the motor. Pull backward and remove the motor.（See Fig .10） ·Loosen the wire of motor, and pull it through the hole. Fig. 10 (4) Remove the 4-way valve and capillary tube 1）Remove the 4-way valve ·Loosen the screws fixing the coil of 4-way valve。...
  • Page 38 MINI CHILLER MAINTENANCE (5) Remove electric box · Loosen the screws fixing the box cover. Remove pressure switches and temp. sensor.（See Fig.13） Noise-absorbing cover Fig.13 (6)Remove compressor and gas-liquid separator ·Remove connection wire compressor。 （See Fig.14） · welding out the suction pipe and discharge pipe.（See Fig.14）...
  • Page 39 MINI CHILLER MAINTENANCE (7)Remove gas and liquid valve 1. Remove gas valve ·Loosen the bolts fixing the gas valve. ·welding pipe connected to the gas valve (See Fig.15） 。 Note ： When welding, the valve should be covered by wet cloth in order to avoid the high temp.
  • Page 40 MINI CHILLER MAINTENANCE 3.1.2 Indoor Unit Operation Procedure Illustration (1) Remove the Cover ·Loosen the tapping screws fixing the cover.（See Fig. 1） ·Remove the cover（See Fig. 2） Fig. 1 Fig. 2 (2) Remove electric box · Loosen the screws fixing the box cover.
  • Page 41 MINI CHILLER MAINTENANCE 3） Remove the water pump ·Loosen the joints fixing the water pump. Remove the water pump. （See Fig. 4） Water pump Fig. 4 4） Remove the tube in tube heat-exchanger · welding out the pipes connected to the tube in tube heat-exchanger.
  • Page 42 MINI CHILLER MAINTENANCE 6）Remove the expansion gas tank · Loosen the joints fixing the expansion gas tank. Remove the expansion gas tank.（See Fig. 7） Expansion gas tank Fig. 7...

  • Page 43: Integral Type

    MINI CHILLER MAINTENANCE 3.2 Integral Type (1) Remove the front case ·Loosen the tapping screws fixing the front case. （See Fig. 1） ·Pull down and remove the front case. （See Fig. 2） Fig. 1 Fig. 2...
  • Page 44 MINI CHILLER MAINTENANCE (2) Remove electric box · Loosen the screws fixing the box cover. Remove pressure switches and temp. sensor.（See Fig.3） Electric box Fig. 3 (3)Remove compressor and gas-liquid separator ·Remove the connection wire of compressor。 （See Fig.4） · welding out the suction pipe and discharge pipe.（See Fig.4）...
  • Page 45 MINI CHILLER MAINTENANCE 4）Remove the water pump ·Loosen the joints fixing the water pump. Remove the water pump.（See Fig. 5） Water pump Fig. 5 Expansion gas tank 5 ）Remove the expansion gas tank · Loosen the joints fixing the expansion gas tank. Remove the expansion gas tank.（See Fig.
  • Page 46 MINI CHILLER MAINTENANCE 6）Remove the flow switch · Loosen the joints fixing the flow switch. Remove the flow switch. （ See Fig. 7） Flow switch Fig. 7 7 ） Remove the shell and tube heat-exchanger · welding out the pipes connected to the shell and tube heat-exchanger.

  • Page 47: Exploded Views And Part List

    MINI CHILLER MAINTENANCE 4 EXPLODED VIEWS AND PART LIST 4.1 Exploded Views and Parts List- Split Type 4.1.1 Outdoor Units Model：HLR8WZ-K(O) Exploded Views:...
  • Page 48 MINI CHILLER MAINTENANCE Part List for HLR8WZ-K(O): No. Name of Part Part Code Quantity Front Grill 22265401 Front Plate 01435402 Protection Grill 01475401 Top Cover 01255402 Back Side Plate 01305401 Handle 26235252 Valve Support 01715402 Metal Base 01205402 Front Side Plate 01305403 10 Axial Flow Fan 10335401...
  • Page 49 MINI CHILLER MAINTENANCE Part List for HLR10WSZ-K (O) Name of Part Part Code Quantity Front Grill 22265251 Front Plate 01435433...
  • Page 50 MINI CHILLER MAINTENANCE Protection Grill 01475432 Top Cover 01255262 Back Side Plate 01305434 Handle 26235252 Valve Support 01715001 Metal Base 01205433 Front Side Plate 01305431 Protection Grill Gasket Axial Flow Fan 10335253 Condenser Assy 01125702 Motor Support 01705431 Motor FW68G 15013110 Isolation Plate 01235440...
  • Page 51 MINI CHILLER MAINTENANCE Handle 26235252 Valve Support 01715001 Metal Base 01205433 Front Side Plate 01305431 Protection Grill Gasket Axial Flow Fan 10335253 Condenser Assy 01125702 Motor Support 01705431 Motor FW68G 15013110 Isolation Plate 01235440 Liquid-gas Separator 07225433 4-way Valve 43000338 Compressor C-SBN373H8D 00102702 Gas Valve...
  • Page 52 MINI CHILLER MAINTENANCE Front Side Plate 01305431 Protection Grill tub 42035201 Axial Flow Fan 10335253 Condenser Assy 01109107 Motor Support 01705471 Motor LW92C 150154511 Isolation Plate 01235473 Liquid-gas Separator 07225479 4-way Valve 43000338 Compressor C-SBN453H8D 00129052 Gas Valve 07130212 Liquid Valve 071302335 Ambient Sensor(15K) 3900012126...
  • Page 53 MINI CHILLER MAINTENANCE Part List for HLR8WZ-K(I): NO Name of Part Part Code Quantity Water Pump 43138218 Vertical Pillar Assy 01758216...
  • Page 54 MINI CHILLER MAINTENANCE Pedestal Parts 012021191 Front Panel Assy 015382471 Electric Box cover 014182371 Electric Box 01418235 Temperature Sensor 390001219 Temperature Sensor 390001217 Temperature Sensor 3900019819 10 Terminal Board 42010254 11 AC Contactor CJX9B-25S/D 44010245 12 Transformer 57X25D 43110240 13 Main Board 30221501 14 Electric Component Mounting Plate 01338243...
  • Page 55 MINI CHILLER MAINTENANCE Electric Box 01418235 Temperature Sensor 390001219 Temperature Sensor 390001217 Temperature Sensor 390001216 Terminal Board 42010254 AC Contactor CJX9B-25S/D 44010245 Transformer 57X25D 43110240 Main Board Z153 30221501 Electric Component Mounting Plate 01338243 Wiring 40110111 Display Board Z16301 30291603 Left Side Plate 01302116 Double Pipe Heat Exchanger...
  • Page 56 MINI CHILLER MAINTENANCE 12 Transformer 57X25D 43110240 13 Main Board Z153 30221501 14 Electric Component Mounting Plate 01338243 15 Wiring 40110111 16 Display Board Z16301 30291603 17 Left Side Plate 01302116 18 Double Pipe Heat Exchanger 00908229 19 Expansion Drum 07228219 20 Cross Beam Sub-Assy 01778240...

  • Page 57: Exploded Views And Parts List- Integral Type

    MINI CHILLER MAINTENANCE Wiring 40110111 Display Board Z16301 30291603 Left Side Plate 01302116 Double Pipe Heat Exchanger 00908229 Expansion Drum 07228219 Cross Beam Sub-Assy 01778240 Rear Panel 015382501 Cross Beam Sub-Assy 1 01778236 Top Cover 012521091 Collecting Gas Pipe Sub-Assy 04672101 Liquid Divider Sub-Assy 04322108...
  • Page 58 MINI CHILLER MAINTENANCE Part List for HLR19S/A-M.HLR25S/A-M.HLR32S/A-M： No Name of Part Part Code Quantity Front Panel 2 01542102 Encloser Sub-assy 01512101 10358202 Grill 01572101 Outlet Pipe Sub-assy 04362102 Fan Motor SW200B 15018501 Motor Support Sub-assy 01708222 Condenser Components 1 011221042 Windshield 2 01352102 Rear Side Plate...
  • Page 59 MINI CHILLER MAINTENANCE Vertical Shaft 2 01852102 Transition Pipe Sub-assy 3 (Condenser-Capillary for heating) 04312110 Four-way Valve Sub-assy 1 04142226 Base Frame Sub-assy 01282253 Discharge Pipe Sub-assy 04632241 Base Plate Sub-assy 0119210102 Suction Pipe Sub-assy 04672110 Capillary Sub-assy (Heating) 04102220 Two-direction Liquid Vessel 07228214 Compressor and Fittings C-SBN373H8D...
  • Page 60 MINI CHILLER MAINTENANCE Part List for ： HLR35S/A-M.HLR75S/A-M No Name of Part Part Code Quantity Base Frame Sub-assy 01202113 01202111 Base Plate Sub-assy 01758211 Front Vertical Shaft Sub-assy Gas-liquid Separator 07228003 Compressor and Fittings 00202231 ZP83KCE-TFD-522 01408249 Electric Cabinet Sub-assy 01258226 Cover Plate for Electric cabinet 01302103...
  • Page 61 MINI CHILLER MAINTENANCE 10 Vertical Shaft(Front-right) 01722107 11 Water Pump MHI804 431382041 12 Inlet Pipe Sub-assy 04362101 13 Expansion Vessel 072282191 14 Water Flow Switch FSF50P-1R1 45028209 15 Left Side Plate 01308274 16 Vertical Shaft (Behind-right) 01722103 17 Inlet Pipe Sub-assy 03248243 18 Four-way Valve(SHF-35H) 43000339...

Table of Contents