LG R5TT20F-SA1 Product guide

Heat Pump Water Heater
Printed in July. 16. 2020

Heat Pump Water Heater
- 50 Hz (R134a)
1. Models Line Up
2. Nomenclature
3. Specification
4. Function List
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

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

2. Nomenclature
3
1 2 3 4 5 6 7 8 9 10 11
R 5 T T 2 0 F - S A 1
Code Type Code of Model Meaning
1Product Type A~Z R: Heat Pump Water Heater
2 Refrigerant 0~9
2: R22
3: R32
4: R410A
5: R134a
6: R290
3 A~Z
T: Packaged
- : Set
N: Indoor unit
U: Outdoor unit
A: C/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 Serial No.
Heat Pump Water Heater - 50 Hz ( R134a)

Heat Pump Water Heater - 50 Hz ( R134a)
3. Specifications
4
Note
• – : No Relation
• For Circuit Breaker Rating, please conform to local standards whenever necessary.
Exteriorcolorcodeisapproximatevalue.
•
•Itisdifficulttomeasureairflowrateofsleepbecauseof smallvalues.
• Maximum heating capacity is for heating operation without any frost.
•Somespecificationsmaybechangedwithoutnotificationsdue toourpolicyofinnovation.
Buyer Model Set (Indoor / Outdoor) Unit WH20S.F5
Factory Model R5TT20F-SA1
Volume L200L
COP (7˚C DB / 6˚C WB)3.30 (A+)
COP (15˚C DB / 12˚C WB)
COP 3.60 (A+)
Daily electrical energy consumption kWh 3.28
V40 L 270
Power Input Upper Element Wattage (230V) W 2,000
Lower Element Wattage (230V) W 2,000
Annual Energy Consumption(AEC) (15˚C DB / 7˚C DB)
Tax Credit -
Power Supply Ø, V, Hz 1Φ,230,50Hz
Available Voltage Range V 195 ~ 265
Indoor
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
Amm 1625
in. 63 31/32
Bmm 580
in. 22 53/64
Cmm 998
in. 39 19/64
Dmm 147
in. 5 25/32
Emm 147
in. 5 25/32
Weight
Net kg 100
lb. 220
Shipping kg 118
lb. 260
Operation Range Heating ℃ DB -5 ~ 48
℉ DB 23 ~ 120
Max. Fuse Size A 13.5
Exterior Color Code - Luxury Silver
Compressor
Type - Twin Rotary
Model - EST092MBA
Motor Type - BLDC
Oil Type / Maker - POE (RB68A) / Sun Oil or Jx Nippon
Oil Charge cc 220
O.L.P. Name - -
Manufacturer / Country of Origin - LG Electronics / China
Fan
Type - Propeller Fan
Motor Type - BLDC
Motor Output W 43
Heat Exchanger
Evaporator
Material, Tube / Fin - Cu / Al
Fin Spacing FPI 21 (Φ 7)
(Φ x Row x Column x FPI/FPDM x L) x No. #1 (Φ 7 x 3 x 15 x 21 x 390) x 1
Corrosion Protection - PCM
Condenser
Material, Tube - Al
(Φ x Row x L) x No. #1 (Φ 8.0 x 1 x 62800) x 1
Corrosion Protection -
702 / 756
No
kWh/annual

3. Specifications
5
Heat Pump Water Heater - 50 Hz ( R134a)
Note
• – : No Relation
• For Circuit Breaker Rating, please conform to local standards whenever necessary.
Exteriorcolorcodeisapproximatevalue.
•
•Itisdifficulttomeasureairflowrateofsleepbecauseof smallvalues.
• Maximum heating capacity is for heating operation without any frost.
•Somespecificationsmaybechangedwithoutnotificationsdue toourpolicyofinnovation.
A
C
DE
B
Buyer Model Set (Indoor / Outdoor) Unit WH20S.F5
Factory Model R5TT20F-SA1
Minimum Circuit Ampacity A 15.1
Circuit Breaker A15
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 g650
oz. 26
t-CO2eq 0.930
GWP 1430
Additional Charge g/m -
oz./ft. -
Control - Electronic Expansion Valve
Defrost Method - Reverse Cycle
Anode ICCP
(Impressed Current Cathodic Protection)
Foam Insulation inch 1.6 ~ 2.4
T&P Relief Valve -Yes
Water Cnnection Location - side
Water Connection Size inch 3/4
Digital Display -Yes
Wi-Fi -Yes
Tank Warranty year 10

6
Heat Pump Water Heater - 50 Hz (R134a)
4. Function List
Note
• These functions must be applied according to the model. Please refer to the follow ing function list for each model.
•¹ : This function can be operated only w hen the w ired remote controller is connected. The applicability of each function depends on the above table.
• ² : Optional accessories must be purchased separately. If show n as "Embedded", this function is included in product.
• The function Wi-Fi is only compatible w ith 2.4 GHz band. (802.11 b/g/n)
• Some specifications may be changed w ithout notifications due to our policy of innovation.
The air conditioner which DRED is available is capable of DRM1,DRM2 and DRM3 and complies with standard AS/NZS 4755.3.1.
•
Category Function Description
Air
Purifying Prefilter(Washable/Anti‐Bacteria) Capturedustparticlesover10μminsizeandfinerbacteria
Reliability SelfDiagnosis Self‐diagnosticforproductprotection
De‐iceControl(Defrost) Inthismode,de‐icingoftheevaporatorautomatically
Convenience
HeatPump Thismodeminimizespowerconsumptionbyusingonlyheatpumpforheating.
Auto
Thismodeprovidesrelativelylowpowerconsumptionandhighrecovery.
Thismodeprimaryusesheatpumpforheating
Thismodeisfactorysetmodeforshipping
Turbo Thismodeprovidesthehighestrecovery.
Thismodeusesheatpumpandheatingelementsimultaneously
Vacation
Thisfeatureisrecommended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ThermistorControl¹ Ifthereisatemperaturedifferencebetweenroomtemperatureanddesiredtemperature,youcanusethis
functioninothertopreventinsufficientcoolingandinsufficientheating
OverheatingProtection Ifthereisatemperaturedifferencebetweenroomtemperatureanddesiredtemperature,youcanusethis
functioninothertopreventover‐heating
IndoorUnitDisplayType ‐
IndoorUnitDisplayLight Setthebrightnessofthedisplayontheindoorunit
Anti-legionella
Activates the water disinfection function. The water temperature reaches 60°C during a cycle.
Individual
Control
WiredRemoteController² ‐
HandheldWirelessController ‐
CAC
Network
Function
GeneralCentralController(NonLGAP) ‐
NetworkSolution(LGAP) ‐
DryContact² ‐
PDI(PowerDistributionIndicator)² ‐
OutdoorUnitPI485² ‐
Special
Function
Kit
Wi‐Fi² Easilyaccessandcontrolanwaterheater’sfunctionsfromanywhere
WaterLevelSensorConnection² Detectthewaterlevelindrainpan
CrankCaseHeater Pre‐heatingthecompressorduringwinter
SmartInverterMonitoringSystem(SIMs)² Helpyoutoeasilymonitor,diagnosetheairconditionerandgetaquickresolution
Others TemperatureControl Basiccyclecontrolmethod

5. Dimensional Drawings
R5TT20F-SA1
7
Heat Pump Water Heater - 50 Hz ( R134a)

6. Wiring Diagrams
8
R5TT20F-SA1
Heat Pump Water Heater - 50 Hz ( R134a)

9
Heat Pump Water Heater - 50 Hz (R134a)
7. Refrigerant Cycle Diagrams
577)6$1
M
Compressor
Heating
Defrosting
Th4
Th5 Th3
Th2
Th6
Water
Tank
EEV
Heat
Exchanger
(Condenser) Heat
Exchanger
(Evaporator)
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.