LG R5TT20F-SA1 Engineering Product Data Book Download Page 10

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Heat Pump Water Heater

0 Hz (R134a)

7. Refrigerant Cycle Diagrams

577)6$

Compressor

Heating
Defrosting

Th4

Th5

Th3

Th2

Th6

Water

Tank

EEV

Heat

Exchanger

(Condenser)

Heat

Exchanger

(Evaporator)

LOC

Description

PCB Connector

Th1

Thermistor for discharge pipe temperature

CN_TH2

Th2

Thermistor for evaporating temperature

CN_TEMP_AIR

Th3

Thermistor for indoor air temperature

CN_TEMP_AIR

Th4

Thermistor for suction pipe temperature

CN_TH1

Th5

Thermistor for upper water tank temperature

CN_TANK_D

Th6

Thermistor for lower water tank temperature

CN_TANK_U

*EEV : Electronic Expansion Valve.

Summary of Contents for R5TT20F-SA1

Page 1: ...Heat Pump Water Heater Printed in July 16 2020 ...

Page 2: ... 5 Dimensional Drawings 6 Wiring Diagrams 7 Refrigerant Cycle Diagrams 8 Capacity Tables 9 Capacity Coefficient Factor 10 Operation Range 11 Electric Characteristics 12 Sound Levels Reference Data 13 Carrying Method 14 Installation 15 Controller 16 Smart Functions 17 Maintencance 18 Troubleshooting ...

Page 3: ...Heat Pump Water Heater 50 Hz R134a 1 Models Line Up 2 Category Picture Chassis Model Name Water tank capacity L RF R5TT20F SA1 200 ...

Page 4: ... SKD Indoor unit B C SKD outdoor unit M Mock up 4 Compressor type A Z T Inverter Heating Only W Inverter Heating Cooling 5 6 0 9 Water tank capacity Ex 20 200 liters 7 A Z 8 Capacity Indoor unit platform Outdoor unit platform A Z F Frontier Packaged No outdoor unit 9 Look Color A Z S Frontier Silver B Frontier Black 10 Function A Z 11 Serial No 1 9 A Smart function Hybrid mode LG Model Development...

Page 5: ... Air Flow Rate H M min 4 4 6 7 RPM H M 1000 700 Sound Pressure Level dB A 38 COP 41 Max Sound Power Level dB A 55 Dimensions Net W x H x D mm 580 x 1625 x 582 in 22 53 64 x 63 31 32 x 22 29 32 Shipping W x H x D mm 738 x 1775 x 690 in 29 1 16 x 69 7 8 x 27 11 64 A mm 1625 in 63 31 32 B mm 580 in 22 53 64 C mm 998 in 39 19 64 D mm 147 in 5 25 32 E mm 147 in 5 25 32 Weight Net kg 100 lb 220 Shipping...

Page 6: ... policy of innovation A C D E B Buyer Model Set Indoor Outdoor Unit WH20S F5 Factory Model R5TT20F SA1 Minimum Circuit Ampacity A 15 1 Circuit Breaker A 15 Power Supply Cable No 3 AWG 14 Drain Hose Size I D mm 19 12 7 in 3 4 1 2 Refrigerant Type R134a Pre Charge g 650 oz 26 t CO2 eq 0 930 GWP 1430 Additional Charge g m oz ft Control Electronic Expansion Valve Defrost Method Reverse Cycle Anode ICC...

Page 7: ...ded when the water heater is not in used for an extended period of time In this mode tank temperature will be maintained at about 68 F to minimize energy consumption and prev ent the water heater from freezing Schedule The Custormer can set up the operation time and mode based on their Demand Condition Auto Restart Operation If power is resupplied after blackout product restart automatically Two T...

Page 8: ...5 Dimensional Drawings R5TT20F SA1 7 Heat Pump Water Heater 50 Hz R134a ...

Page 9: ...6 Wiring Diagrams 8 R5TT20F SA1 Heat Pump Water Heater 50 Hz R134a ...

Page 10: ... Th1 LOC Description PCB Connector Th1 Thermistor for discharge pipe temperature CN_TH2 Th2 Thermistor for evaporating temperature CN_TEMP_AIR Th3 Thermistor for indoor air temperature CN_TEMP_AIR Th4 Thermistor for suction pipe temperature CN_TH1 Th5 Thermistor for upper water tank temperature CN_TANK_D Th6 Thermistor for lower water tank temperature CN_TANK_U EEV Electronic Expansion Valve ...

Page 11: ...79 1 87 3 10 4 28 5 41 40 1 19 2 19 3 37 1 19 2 19 3 37 1 19 2 35 3 48 50 1 62 2 11 1 62 20 10 2 21 3 08 4 11 5 29 6 62 8 10 1 10 1 44 1 82 2 26 2 74 3 28 2 27 3 21 4 17 5 17 6 21 7 27 20 0 50 0 75 2 36 3 54 4 87 6 35 0 63 0 97 1 35 1 78 2 27 2 81 0 71 1 65 2 62 3 62 4 65 5 71 30 0 36 0 67 1 04 2 95 4 43 0 45 0 84 1 27 1 76 2 30 0 45 1 05 2 05 3 09 4 15 40 0 52 0 94 1 43 0 72 1 20 1 74 0 72 1 52 2...

Page 12: ...4 00 5 00 6 00 7 00 8 00 9 00 10 00 5 5 5 2 15 35 5 4 55 가열시간 hour Air temperature H P Auto Turbo water tank temp 10 52 Ambient Temperature Recovery Time hour COP of High Draw COP of Low Draw Auto H P Turbo Auto H P Turbo Auto H P Turbo 5 5 66 9 39 5 46 1 12 2 25 1 12 1 69 1 69 1 50 4 5 77 9 06 5 37 1 14 2 30 1 13 1 76 1 73 1 53 0 6 20 7 78 5 01 1 21 2 52 1 20 2 04 1 88 1 65 5 6 74 6 17 4 57 1 42 ...

Page 13: ...9 Capacity Coefficient Factor 9 1 Capacity Change Rate 12 Heat Pump Water Heater 50 Hz R134a Model Duct Type Diameter Not Ducted Φ200 Φ150 R5TT20F SA1 COP 100 0 96 7 92 0 Duct Length 1m ...

Page 14: ...9 Capacity Coefficient Factor 9 2 Maximum Duct Length 13 Heat Pump Water Heater 50 Hz R134a Model Duct Type Φ200 Φ160 Φ150 30m Duct Length m Flexible R5TT20F SA1 Diameter Φ ...

Page 15: ...mp Water Heater 50 Hz R134a R5TT20F SA1 30 20 10 0 10 20 30 40 50 60 5 15 25 35 45 55 65 Air Temperature Water Temperature H P or H P Heater Heater Only Heater Only Note The figures are baseed on the following condtitions No ducted ...

Page 16: ...e within the minimum and maximum range 2 Maximum allowable voltage unbalance between phase is 2 3 Select wire spec based on the larger value of MCA 4 RLA is measured during each individual compressor test condition 5 OFM is measured as the outdoor unit test condition 6 Recommended circuit breaker is ELCB Earth Leakage Circuit Breaker MCA Minimum Circuit Amperes A MOP Maximum Rating Over Current Pr...

Page 17: ...tion Reference acoustic pressure 0dB 20μPa Sound level will vary depending on a range of factors such as the construction acoustic absorption coefficient of particular room in which the equipment is installed The operating conditions are assumed to be standard Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard Sound level is measured in an anechoic r...

Page 18: ... Heating 10 20 30 40 50 60 70 80 63 125 250 500 1000 2000 4000 8000 Octave Band Sound Pressure Level 0 dB 20μPa Octave Band Center Frequency Hz Turbo HeatPump Auto NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 Approximate Hearing Threshold 북미 기준 1m 2m기준으로 재측정 예정 ...

Page 19: ...od 18 Heat Pump Water Heater 50 Hz R134a Moving or installation of the appliance requires two or more people Make sure you both have a good grip before lifting Use an appliance dolly with strap to move the water heater ...

Page 20: ...all safety messages This is the safety alert symbol This symbol alerts you to potential hazards that can kill or injure you and others All safety messages will follow the safety alert symbol and either the word DANGER WARNING or CAUTION These words mean CAUTION You may be slightly injured or cause damage to the product if you do not follow instructions WARNING You may be killed or seriously injure...

Page 21: ...re Time to Produce a Serious Burn 120 F 49 C More than 5 minutes 125 F 52 C 1 to 2 minutes 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C Less than 5 seconds 145 F 63 C Less than 3 seconds 150 F 65 C About 1 seconds 155 F 68 C About 1 second For determining the proper water temperature for your home refer to the chart below NOTE To reduce point of use water temperature Thermost...

Page 22: ...r heater is factory set to 50 C to comply with safety regulations For information about adjusting the water temperature refer to the operation section in this manual Local Installation Regulations This appliance must be installed accordance with instructions of this manual national regulations and any regulations issued by local authorities and public health bodies Heat Pump Water Heater 50 Hz R13...

Page 23: ...ce is properly installed in compliance with local codes and the provided installation instructions Do not replace any part of your water heater and use only original accessories and spare part unless it is specifically recommended in this manual Do not turn on the electrical power to water heater unless the tank is completely full of water Never attempt to operate this appliance if it is damaged m...

Page 24: ...n on the power cables may result in fire or electric shock and should be replaced 14 Installation Heat Pump Water Heater 50 Hz R134a Do not install the water heater on an unstable surface or in a place where there is danger of it falling For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the water heate...

Page 25: ...y full of water Installation or repairs made by unauthorized persons can pose hazards to you and others The information contained in the manual is intended for use by a qualified service technician who is familiar with the safety procedures and equipped with the proper tools and test instruments Failure to read and follow all instructions in this manual can result in equipment malfunction property...

Page 26: ...ut this appliance must not be supplied through an external switching device such as a timer or connected to a circuit that is regularly switched on and off by the utility Operation Do not step on the product and do not put anything on it Do not use this appliance if any part have been underwater Immediately contact an Authorized Service Center for replace flooded water heater Do not attempt to rep...

Page 27: ... filter Front panel Display décor Control panel ECO Upper element cover Front décor Lower element cover Heating element Opening for drain valve Water inlet Opening for T P relief valve Water outlet Condensate drain Rear panel Air outlet Vents 6 16 15 14 12 11 13 7 3 2 5 17 18 9 10 8 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 4 ...

Page 28: ...ies Included Accessories Recommended Accessories Figure Name Figure Name Drain valve T P relief valve Figure Name Figure Name Drain pan Thermal expansion tank Pressure reducing valve Thermostatic mixing valve Figure Name Figure Name Screw driver Teflon tape Spanner Level Multi meter ...

Page 29: ... 5m Minimum clearance for installation or service Flexible connection recommended Hot water outlet Thermal expansion tank if required Shut off valve Heat trap Min 0 15m Flexible connection recommended Cold water inlet Drain valve Open drain T P relief valve and discharge line In closed system connect a thermal expansion tank to cold water supply line See Thermal Expansion Section p 30 ...

Page 30: ...t the weight of full water heater The water heater and water lines should be protected from freezing and high corrosive elements Do not install water heater in outdoor or unprotected areas Install the water heater close to the area of greatest heater water demand and the center of plumbing system Long un insulated hot water lines can waste energy Insufficient air exchange will result in increased ...

Page 31: ...ed in cold water inlet line will create a closed water system As water is heated it creates an increase in pressure within the water system because the increased volume of water doesn t have a place to go Referred to as thermal expansion the rapid pressure increase can quickly reach the safety setting of the relief valve This will cause the relief valve to open during each heating cycle We recomme...

Page 32: ...arge pipe must be approved for hot water distribution and withstand 100 C without distortion 1 Apply Teflon tape on the NPT end to prevent leaking 2 Attach the discharge pipe to outlet of the T P relief valve The discharge pipe must pitch downward from the valve to allow complete drainage of both T P relief valve and discharge pipe 3 The end of the discharge pipe must be ڸ ڹ The end of the dischar...

Page 33: ...ommon condensate pump with a capacity no less than 7 5 liters per day must be installed 1 Apply Teflon tape on the G end to prevent leaking 2 Attach elbow with 3 4 slip 3 4 G to the primary drain connection 3 Using an approved sealant insert the PVC pipe into the female end Condensate drain must be piped to an adequate drain 4 Using 1 2 PVC piping a elbow with 1 2 slip 1 2 G and an approved sealan...

Page 34: ...flows with a full stream 4 Let the water run full stream for a few minutes To Fill the Water Heater WARNING Do not turn on the electrical power to water heater unless the tank is completely full of water The water heater warranty does not cover damage or failure resulting from operation with empty or partially empty tank 4 Install a shut off valve in the cold water line near the water heater 5 Ins...

Page 35: ...t this appliance must not be supplied through an external switching device such as a timer or connected to a circuit that is regularly switched on and off by the utility The water heater must be permanently powered by electricity to ensure correct operation of the impressed current titanium anode ICCP Do not turn on power until water heater is completely filled The appliance can only be connected ...

Page 36: ...d ECO RESET button Insulation Blanket Kits External insulation blanket available to the general public for water heater is not necessary The manufacturer s warranty does not cover any damage or failure caused by installing or using any type of unauthorized energy saving or other devices The manufacturer is not responsible for any injury or loss resulting from the use of such unauthorized devices C...

Page 37: ...ed T P relief valve T P relief valve properly installed Discharge line maintains a downward slope and runs to adequate drain Discharge pipe protected form freezing Condensate Drain Drain lines maintain a downward slope and run to adequate drain Water supply Tank is completely full of water Remove air from water heater and piping Water connections tight and free of leakage Flexible water connection...

Page 38: ...t the auto mode To select the turbo mode To select the Vacation mode Set schedule mode only in LG ThinQ application To select the Anti Legionella mode To set the desired water temperature To adjust the desired water temperature To enable the Wi Fi pairing To reset the filter alarm To change unit between F and C To display the current water temperature for 5 seconds ...

Page 39: ...rature increases the potential for Hot Water SCALDS Reset the Air Filter Alarm The device will display alarm reminding you to check and clean the air filter periodically Press and hold Set button about 3 seconds to reset the alarm Change Temperature Unit Temperature unit display on Screen can be set to Fahrenheit or Celsius Press and hold button about 3 seconds to change temperature unit Current w...

Page 40: ...e appliance supports 2 4 GHz Wi Fi networks only To check your network frequency contact your Internet service provider or refer to your wireless router manual LG ThinQ is not responsible for any network connection problems or any faults malfunctions or errors caused by network connection If the appliance is having trouble connecting to the Wi Fi network it may be too far from the router Purchase ...

Page 41: ...disclaimers and copyright notices are available for download LG Electronics will also provide open source code to you on CD ROM for a charge covering the cost of performing such distribution such as the cost of media shipping and handling upon email request to opensource lge com This offer is valid for a period of three years after our last shipment of this product This offer is valid to anyone in...

Page 42: ...possible break down If you have difficultly to perform these routine maintenance tasks yourself contact a qualified person Before you perform any maintenance turn off the power by opening the circuit breaker as below 1 Turn off the power by opening the circuit breaker or removing the fuses 2 Connect a garden hose to the drain valve and place the and of the hose in a suitable drain 3 Turn off the c...

Page 43: ...tenance Clean the air filters when Air filter check alarm appears on the display NOTE The air filter can be broken when it is bended When the air filter is not assembled correctly dust and other substance come into the unit T P Relief Valve Maintenance 1 Turn off the power by opening the circuit breaker or removing the fuses 2 Hold the knobs of the air filter pull it and remove it from the top cov...

Page 44: ...heater s operation and controls should be checked by qualified service personnel Make certain the water heater is completely filled again before placing it in operation Condensate Drain Maintenance 1 Remove the condensate drain lines and connections ڸ ڹ ں 2 Pull the front decor first and then remove the top cover Lift the front panel out then slightly lift the rear panel and remove it 3 Check the ...

Page 45: ...afety Controls section Page 35 No electric supply to the water heater Check the electric supply to water heater See Making Electrical Connections section Page 34 Water connections to unit are reversed Re install water connection correctly Leak in hot water faucets or plumbing system Make certain all faucets are closed Check home for any leaks and repair Improper electric wiring See Making Electric...

Page 46: ...his Water pressure is low Supply valve is partially closed Open the water heat r s supply valve fully Trouble connecting appliance and smartphone to Wi Fi network The password for the Wi Fi network was entered incorrectly Delete your home Wi Fi network and begin the registration proces again Mobile data for your smartphone is turned on urn off the Mobile data on your smartphone before registering ...

Page 47: ...r OFF L2 Water Temp is too low or upper tank Temp sensor is not working IC ICCP is not functioning Call our Technical Support Center OFF Code Contents Corrective Action Operating status 1 Ambient Temp sensor is not working Call our Technical Support Center Use Elements Only 4 Condensate drain is blocked Clean Condensate drain See Condensate Drain Maintenance section Use Elements Only 5 PCB Communi...

Page 48: ...tor Assembly DC Outdoor 15 Fan Propeller 16 Nut Common 17 Shroud Assembly 18 Evaporator Assembly First Item No Description 19 Switch Assembly 20 Pan Assembly Drain 21 Compressor Set China 22 Damper Compressor 23 Tube Assembly Reverse 24 Coil Expansion 25 Tube Assembly Expansion 26 Tube Assembly Evaporator Out 27 Tube Assembly Connector 28 Tube Assembly Evaporator In 29 Harness Multi 30 Harness Mul...

Page 49: ...urself Refer repair to authorized service center NOTE Check the water heater s rating plate on the unit for the acceptable voltage and wattage Replacement parts can be ordered through the distributor or store where the heater was purchased All parts order should include following information 1 Model and serial number of the products 2 Voltage and wattage as marked on rating plate 3 Part descriptio...

Page 50: ...ll Rights Reserved The air conditioners manufactured by LG have received ISO9001 certificate for quality assurance and ISO14001 certificate for environmental management system The specifications designs and information in this brochure are subject to change without notice ...

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