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Termal HSFL 411 XMR Service Manual

Multi friendly air conditioning systems
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MULTI FRIENDLY Air Conditioning Systems

SERVICE MANUAL

Convertible type Indoor Units:
HSFL 411 XMR
HSFL 531 XMR
Outdoor Unit:
HCNL 821 XMR
With Ozone-friendly Refrigerant R410A
DRAFT
Release 1.0
YR-H71
YR-E12

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Summary of Contents for Termal HSFL 411 XMR

  • Page 1: Service Manual

    MULTI FRIENDLY Air Conditioning Systems SERVICE MANUAL DRAFT Release 1.0 Convertible type Indoor Units: HSFL 411 XMR HSFL 531 XMR YR-E12 YR-H71 Outdoor Unit: HCNL 821 XMR With Ozone-friendly Refrigerant R410A...

  • Page 2: Table Of Contents

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units TABLE OF CONTENTS CONTENTS ..................................p. 2 1. DESCRIPTION OF PRODUCTS & FEATURES ......................p. 3 2. SPECIFICATIONS ................................. p. 6 3. SAFETY PRECAUTIONS .............................. p. 8 4. NET DIMENSIONS OF THE INDOOR UNITS ....................... p. 12 5.

  • Page 3: Description Of Products & Features

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 1. Description of products & features 1.1 Brief Introduction for T1 working condition Climate type Type of Air Conditioner Cooling Only 18 ℃~43℃ Heat pump -7℃~43℃ Electricity Heating ~43℃ 1.2 Operating Range of Air Conditioners Working temperature range Rated Maximum...
  • Page 4 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 1.3 Product features Highly efficient, can match with the universal outdoor unit The outdoor unit can match with cassette, wall mounted type, duct, console and ceiling floor type indoor unit. One set outdoor can match with multiple indoor units, up to 4 sets. Even when you have already installed the air conditioner, if you want to add or reduce one unit, go ahead freely as long as your operation complies with our design.
  • Page 5 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Weekly timing function, if connected with a detector and a weekly timer Adjustable heating temperature compensation In heating and in cooling mode, the temperature compensation can be adjusted by the infrared remote. controller.

  • Page 6: Specifications

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 2. Specifications 2.1 Outdoor Unit Item Model HCNL 821 XMR Cooling Heating Function —— Rating capacity 8000 10000 Power input 2480 2580 3.22 3.87 EER / COP Minimum capacity 1500 1800 Minimum power input 9500 11500...

  • Page 7: Indoor Units

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 2.2 Indoor Units Item HSFL 411 XMR HSFL 531 XMR Function —— Cooling Heating Cooling Heating Capacity 4100 4600 5000 5500 Dehumidifying capacity 10‐³×m³/h Power cable 3 × 0.75mm —— 2x(0.75~1.25mm...

  • Page 8: Safety Precautions

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 3. Safety precautions • Strictly observe the instructions provided in this Manual. • The air conditioning system contains in its refrigerant circuit the R410A gas under pressure. Never disconnect refrigerant pipes or connection joints. •...
  • Page 9 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Safety precautions Installation Never try to install this Unit by yourself, i.e. without the support of Technical Personnel. Never try to repair the Unit by yourself. The Unit’s components can be reached only by opening or removing the covering panels, and this involves exposure to high voltage.
  • Page 10 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Safety precautions Always observe the operating precautions listed in the following tables. In this way, correct operation and safeguard of people, animals and objects inside air-conditioned environments will be ensured. WARNING Use the correct voltage and frequency for power Do not insert the air conditioner’s plug into supply.
  • Page 11 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Safety precautions CAUTION Do not use sprayers near the air conditioner and Ventilation should be operated when using do not spray anything towards the appliance. at the same time the air conditioner and gas burners.

  • Page 12: Net Dimensions Of The Indoor Units

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 4. Net dimensions of the Indoor Units Convertible type units: HSFL 411, 531 XMR (mm) -12-...

  • Page 13: Installation Instructions

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 5. Installation instructions Model Power cable HSFL411XMR HSFL531XMR y7-+1.1+~:1659 z0- 4~+015- 19 ~,~7:1<- 15 .6336=15/ 91:;~:165 Outdoor Outdoor -13-...
  • Page 14 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units ■R410A The working pressure of R410A is approximately 1.6 times higher than R22. Because the oil in the refrigerant is different, please do not mix them. Refrigerant R22 (single) R410A (mixed) R407C (mixed) Mineral oil (SONTEX 200LT) Synthetic oil (POE oil)
  • Page 15 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units ■Piping material 1. Use the correct refrigerant piping and materials for R410A 2. For the pipe wall thickness, see the table below: Pipe diameter Φ6.35 Φ9.52 Φ12.7 Φ15.88 Φ19.1 Pipe wall thickness Note: Always observe and comply with the local regulations when installing the refrigerant piping.
  • Page 16 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Additional information about these models Operation and Performance *Heating Performance STANDARD PARTS The following installation parts are furnished. Use This air conditioner operates on the heat-pump them as required. principle, absorbing heat from outdoor air and transferring that heat indoors.

  • Page 17: Installation Of The Indoor Unit

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit Floor console SELECTING THE MOUNTING POSITION Fig.A may be difference WARNING 1.5m Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that the units will not topple or fall Left Right...

  • Page 18: Installation Procedures

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation procedures ELECTRICAL WIRING (2) OUTDOOR UNIT (1) Is there any abnormal noise and vibration during WARNING operation? (1) Always use a special branch circuit and install a special (2) Will noise, wind, or drain water from the unit disturb receptacle to supply power to the room air conditioner.
  • Page 19 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation procedures 2. Mount the cover plate.(Left) (1) Join the cover plate (left) and mount with screws. Fig. 33 3. Mount the intake grill. (1) Cut the right side of the intake grill. This is only when the pipe exits from the right side Fig.
  • Page 20 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit PREPARING INDOOR UNIT INSTALLATION REMOVE THE INTAKE GRILL Open the intake grill and remove the three or four or six screws.(Fig. 1) Fig. 1 Remark: The main unit can be wired before the indoor unit is installed.
  • Page 21 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit 2. INSTALLING DRAIN HOSE Wrap the insulation (drain hose) around the drain Select whether the drain hose will be connected hose connection. (Fig.7) to the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure the drain hose with a nylon fastener.
  • Page 22 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit 1. DRILLING FOR PIPING 3. INSTALLING BRACKETS Select piping and drain directions. Install the brackets with nuts, washers and spring (Fig.11) washers.(Fig. 15) Rear (Install the drain Fig.

  • Page 23: Connecting The Piping

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit 5. INSTALL THE DRAIN HOSE Select whether the drain hose will be connected to CONNECTING THE PIPING the left or right side.(Fig.3) Insert the drain hose into the drain pan, then secure 1.
  • Page 24 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit 3. PIPING CONNECTION Flare connection 3-way valve Gas pipe HSFL 411XMR HSFL 531XMR Indoor Outdoor Unit unit Liquid 2-way valve pipe Flare connection (adaptor, from 9.52 to 12.7) To gas pipe To outdoor unit (1) Dimension of connecting pipe...

  • Page 25: How To Connect Wiring To The Terminals

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit HOW TO CONNECT WIRING TO THE TERMINALS A. For solid core wiring (or F-cable)(Fig.24A) (1) Cut the wire with a wire cutter or wire-cutting pliers, then strip the insulation to about 25mm of the exposed solid wire.

  • Page 26: Electrical Wiring

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Indoor Unit ELECTRICAL WIRING (2) Pull out the electric component box. CAUTION Fig.28 (1) Match the terminal block numbers and connection cord colors with those of the outdoor unit. Erroneous wiring may cause burning of the electric parts.
  • Page 27 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units t Example of wiring for the Indoor Unit Veb afpq^k`b _bqtbbk qeb pfdk^i tfobp ^ka qeb mltbo `^_bp pelria _b ^q ib^pq 83jj1 4-N. 5-P. 4-N. 5-P. Vl tfoba `lkqoliibo -Kk `^pb lc rpfkd tfoba Vl lqebo `lkqoliibo YR-E12.
  • Page 28 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Pressing the ON/OFF button on the remote controler will exit the address setting procedure. -28-...
  • Page 29 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Is noise excessive? -29-...

  • Page 30: Installation Of The Outdoor Unit

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Installation of the Outdoor Unit Disposal of the old air conditioner Consult your local authorities for the name and address of the waste materials collecting centers and Before disposing an old air conditioner that goes waste paper disposal services nearest to your house.
  • Page 31 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Cautions All electrical repairs must be carried out by 4. The wiring method should be in line with the local qualified electricians. Inadequate repairs may result wiring standard. in a major source of danger for the user of the air conditoiner.
  • Page 32 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Safety precautions To ensure proper installation, please read this safety precautions carefully before the installation. After installation, start the unit correctly and ensure that you show the customer how to operate and maintain the units.

  • Page 33: Installation Accessories

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units (c) Where there is strong radiation. It will affect the unit's control system, causing malfunction of the unit. (d) Where there are flammable gas, dirt, and volatile matter (thinner, gasoline) exist, these items will cause a fire risk.

  • Page 34: Power Source

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Power source Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponded name plate. Install an exclusive branch circuit of the power. A receptacle shall be set up in a distance where the power cable can be reached.
  • Page 35 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Limitations on the installation 3. Limitations values on the piping work . HKEL XMR Indoor Unit HTFL XMR Indoor Unit HUDL XMR Indoor Unit HCNL 821 XMR Outdoor Unit HSFL XMR Indoor Unit Concerning the piping length information, please refer to the following table.

  • Page 36: Refrigerant Piping Work

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Refrigerant piping work 1. Selection of pipe To this unit, both liquid and gas pipes shall be insulated as they become low temperature in operation. Use optional parts for piping set or pipes covered with equivalent insulation material. Liquid pipe 6.35mm ( 1/4'' ) x 0.8mm 9.52mm ( 3/8'' ) x 0.8mm...
  • Page 37 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Refrigerant piping work 4. Cutting and Flaring work of piping Pipe cutting is carried out with a pipe cutter and burs must be removed. After inserting the flare nut, flaring work is carried out. Size A (mm) Pipe diameter* Liquid side...
  • Page 38 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Purging method: to use vacuum pump Liquid stop valve 1 .Detach the service port's cap of 3-way valve, the valve Gas stop valve 2 way valve rod's cap for 2-way valve and 3-way valves, connect the 3 way valve Gauge maifold (R410A) service port into the projection of charge hose (low) for...

  • Page 39: Wiring Work

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Wiring work 1. Electric wiring Note: The air conditioner must use special circuit , and wiring by the qualified electrician according to the wiring rules specified in national standard. The grounding wire and the neutral wire shall be strictly separated. Connect the neutral wire with grounding wire is incorrect.
  • Page 40 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Wiring work Crimp connection method for connection wire After connection, the wire must be fastened by wire cover. The wire cover shall press on the protection coat of the connection wire, as shown in the figure on the previous page. Note: When connecting the wiring, confirm the terminal number of indoor and outdoor units carefully.
  • Page 41 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Wiring work 5. Example of wiring diagram. To wired controller YR-E12 terminals (A, B, C) Please refer to the indoor unit installation manual to find detailly how to set and check the communication address.

  • Page 42: Items To Confirm

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Test running Before starting the test running, please confirm the following works have been done successfully. 1) Correct piping work; 2) Correct wiring work; 3) Correct match of indoor and outdoor unit; 4) Proper recharge of refrigerant if needed;...

  • Page 43: Parts And Functions

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 6. Parts and Functions HSFL 411, 531 XMR (Convertible type) Indoor Units POWER OPER TIMER COMP EMER Fig.2 Fig.1 1 Operating Control Panel (Fig.2) 2 Emergency switch 3 Remote Control Signal Receiver 4 Power Indicator Lamp (Red) 5 OPERATION Indicator Lamp (Green) 6 TIMER Indicator Lamp (Yellow)
  • Page 44 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Parts and functions HCNL 821 XMR Outdoor Unit: Electric box Air outlet Handle Air inlet Valves (inside) Valve guarding plate -44-...

  • Page 45: Infrared Controller Yr-H71

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 7. Oial\l`_ ^jinljgg`l [U=NCA 1.TEMP Setting Button RSWKE 1. The functions marked with (*) are not available on HSFL XMR Indoor Units. -45-...
  • Page 46 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units To select fan speed: LOW, MID, HIGH, AUTO. Pj\_dib nc` ]\nn`ls U`kg\^dib nc` ]\nn`ls ^jhk\lnh`in gd_ Jdmkg\s l`pd`q U`hjn` Ijinljgg`l Sk`l\ndji Igj^f V`n -46-...
  • Page 47 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units L\i Sk`l\ndji GXWS< ISSP < NKGW \i_ JU[ Sk`l\ndji *11/ ., 3 -47-...
  • Page 48 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units AUTO G_eomndib \dl agjq _dl`^ndji -48-...
  • Page 49 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units abnormally. If the louver works abnormally, stop the unit, restart and adjust the louver by remote controller. Gan`l oidn mnjkmE NdinmE Vg``k Loi^ndji Xm` ja VPKKT aoi^ndji -49-...
  • Page 50 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Rjn`mE Wdh`l SR?SLL Loi^ndji -50-...
  • Page 51 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Wdh`l SR=SLL Loi^ndji -51-...
  • Page 52 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 7.Cancel TIMER mode Gonj l`mn\ln aoi^ndji m`nndib V`nndib Q`ncj_E I\i^`g Q`ncj_E "SLEEP" button on the remote controller 10 times twice mode will Rjn`mE operation used being button after the Oa nc` oidn c\m ijn nc` "Sleep" button or function, please enable/disable the Auto restart function buy pressing the "Swing"...

  • Page 53: Functions Of The Optional Wired Controller Yr-E12

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 8. Functions of the optional wired controller YR-E12 ;=34 50< 24<A?0: ;=34 50< @D8<6 =>4?0A8=< 0BA= 0BA= @A0<31F 50< =<:F 7867 >?4-740A 2==: 345?=@A A4;> 740:A7 58:A4? 740A 740:A7 27429 @D8<6 2:=29 34;0<3 ;0<B0:...
  • Page 54 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units [FAN] [HIGH]：High fan speed [FAN] [MED]： Medium fan speed [FAN] [LOW]： Low fan speed [FAN] [FIX]： Fixed fan speed, it will display only when fixed fan speed is requested to main indoor unit. [CENTRAL]：...
  • Page 55 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units AUTO operation, COOLING, HEATING and DEHUMIDIFICATION operation 1) Start up operation: press the button of ON/OFF, the system will start up, and will display [MODE][AUTO]；[FAN][AUTO]；[ROOM TEMP.]+“24°C” ；[CLOCK]+”12：00”. 2) Select MODE: press the MODE button, then you will see in the display section [MODE] switch over in below sequence:[FAN ONLY]→[COOL]→[DRY]→[HEAT]→[AUTO]→[FAN ONLY].
  • Page 56 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units TIMER ON, press [TIMER]. [TIMER][ON] will be constantly on. Then [TIMER] [OFF] flashes, press the clock +/- button to adjust the time of TIMER OFF, press [SET]. The time sequence of timer on and timer off will determine the mode is [TIMER] [ON] →[OFF] or [TIMER] [OFF] →[ON].
  • Page 57 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units CENTRAL control function (only if a central controller is present) When the central controller selects [CENTRAL] mode, the buttons in the wired controller except for [CHECK] will be invalid. VENTILATION mode (only for the unit with fresh air function or heat recovery function) Press [RECOVERY] button, then the unit will switch over the ventilation mode: [VENTILATION][AUTO]...
  • Page 58 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units How to change the function switches on the YR-E12 wired controller? Type State of Function description switch Changeover of Wired Connected Central controller controller and central Cut off Wired controller controller Changeover of type of Connected Set as simplified controller...

  • Page 59: Refrigerant Diagram

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 9. Refrigerant Diagram -59-...
  • Page 60 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units -60-...

  • Page 61: Electrical Control Functions

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 10. Electrical Control Functions A) Outdoor Electrical Control Functions: 1. Switch setting and functions: Item Set in factory SW5-1: Outdoor fan motor selection ON: DC fan motor; OFF: AC fan motor. SW5-2: Defrosting data setting ON: 6 degrees;...
  • Page 62 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 3.2 Outdoor frequency control 3.2.1 Compressor running frequency range: 20~90RPS 3.2.2 Definition of high-efficiency operation and its frequency control In order to meet the cooling request at high ambient temperature and the heating request at low ambient temperature, we set the high-efficiency operation.
  • Page 63 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units £ 90℃ -5degree/30seconds, and reduce to 0 degree gradually Heating mode Indoor modification angle +50degree/30seconds, it will stop until up to the max. permitted 100℃< discharging temp. opening angle 90℃< discharging temp. £100℃ Keep the angle £90℃...
  • Page 64 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Te≤C×TA－α Herein: C：TA＜0℃，C=0.8 TA≥0℃，C=0.6 According to SW2, the setting is as follow: in the place easy to frost, it is H; when out of factory, it is M. Jumper M(out of factory) selection α(℃) 8(E)
  • Page 65 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 3.7.4 Defrosting operation flow chart Beginning Fixed frequency Indicated FQY Defrosting FQY 80 Hz（E） Soft startup compressor Outdoor motor Send defrosting signal to indoor Auto 4-way valve Spray valve SV2 OFF 450-pulse 450-pulse 350-pulse(E)
  • Page 66 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 3.8 Frequency control when Td is too high Purpose: make compressor frequency control if the discharging temp. is too high, to lower the discharging temp. efficiently and ensure the system can run normally. If keeping for 10s, the unit stops, 3 minutes later, the unit can re-startup.
  • Page 67 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 3.10 High pressure protection When the input signal of pressure switch is high level: 1, that shows there is no protection. When the input signal of pressure switch is low level: 0 for 1 minute, that shows high pressure protection works.
  • Page 68 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units In cooling, confirm through Tc2AVE: Normal operation -25℃ Min. running FQY 20HZ -30℃ SV2 OFF & 20HZ -35℃ SV2 ON & 20HZ -40℃ Keep for 5 seconds, unit stops and alarm -45℃...
  • Page 69 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units B) Indoor Unit Electrical Control Functions 1. Dip switch functions: 1.1 SW01 detailed definition is as following: SW01 Function ---- Passive contact valid Passive contact invalid To set indoor address(by remote/wired controller) To set indoor address (by dip switches) AC 3-speed motor...
  • Page 70 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units ..DRY, COOL, FAN) Indoor communication address 1 Indoor communication address 2 Indoor communication address 3 Indoor communication address 4 Indoor communication address 5 D O N O T A S S I G N Indoor communication address 6 D O N O T A S S I G N Indoor communication address 7...
  • Page 71 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 6.2 After indoor receives the ON command from wired controller, it will firstly confirm the outdoor current operation mode. If they are the same modes, indoor unit will run as the request of remote controller. If they are different modes, the indoor units will be kept in standby mode until the previously operating units will be in thermostat OFF condition.
  • Page 72 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Full OFF 54º 54° Swing range Standard position in HEAT, COOL mode 0° 12. Water pump control (this device is not present on HSFL XMR Indoor Units) 12.1 Water pump will be electrified when indoor unit enters non-heating mode until indoor unit stops. 5 minutes later after indoor unit stops, water pump will stop.
  • Page 73 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units will change mode; the sleep will begin to count. A. In cooling/dry mode, after running for 1 hour, the set temp. will increase 1°C, another 1 hour later, the set temp. will increase 1°C again, then 6 hours (or set time-2) later , it will stop. B.
  • Page 74 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Digit type Temp. of indoor sensor Tai Actual data, decimal Temp. of indoor sensor Tc1 Actual data, decimal Temp. of indoor sensor Tc2 Actual data, decimal Opening angle/2 of indoor EEV Actual data, decimal Indoor address Actual data, hex...

  • Page 75: Diagnostic Information (Troubleshooting)

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 11. Diagnostic information (troubleshooting) Failure codes on the indoor Unit when using YR-H71 infrared remote controller: NUMBER OF FLASHINGS OF THE TIMER LAMP ON THE FAILURE DESCRIPTION INDOOR UNIT LED PANEL or faulty wires are from...
  • Page 76 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units s (related to Indoor Unit) on the wired remote controller YR-E12 when (* shows the failure is resumable) -76-...
  • Page 77 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units s (related to Outdoor Unit) on the wired remote controller YR-E12 FAILURE CODES TROUBLE SHOOTING POSSIBLE REASONS (CHECK ON THE WIRED (Outdoor unit) REMOTE CONTROLLER) Faulty defrost sensor Te Sensor disconnected, or broken, or short circuit Faulty sensor Tao Sensor disconnected, or broken, or short circuit Faulty sensor Ts...
  • Page 78 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units HCNL 821 XMR Outdoor Unit error codes FAILURE STATE OF TROUBLE POSSIBLE REASONS CODE LED 5-4-3-2-1 SHOOTING Faulty defrost sensor Te Sensor disconnected, or broken, or short circuit Faulty sensor Tao Sensor disconnected, or broken, or short circuit Faulty sensor Ts Sensor disconnected, or broken, or short circuit...

  • Page 79: Troubleshooting

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Troubleshooting: Trouble 1: No display on the operation panel Start Check if display Replace display panel and the panel and check unit matched again well If the red diode If the power Check the terminal and green diode terminal block has...
  • Page 80 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Trouble 3: Communication failure between indoor and outdoor Start As per the wiring Re-wiring, and diagram, check if check again communication wiring is correct Check if the If the power cable and the PCB is faulty, communication port communication wire are...
  • Page 81 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Trouble 7: Communication failure between wired controller and indoor PCB or no display on wired controller Confirm communication failure according to the fault code list or no display Check if the wired controller Replace wired controller can match with indoor PCB YES For some models, when powered on, during...
  • Page 82 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Apparent abnormalities Followings are not problems During unit operation or at stop, a swishing or Sound of water flowing is gurgling noise may be heard. This noise is generated not a problem. by refrigerant flowing in the system.
  • Page 83 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units Apparent abnormalities Before ask for services, please first check your unit against the following. Air conditioner won't start. Is power supply switch Is city power supply normal? Is leakage current breaker turned on? activated? This is very dangerous, please...

  • Page 84: Electrical Data

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 12. Electrical data 12.1 Wiring diagram HCNL 821 XMR Outdoor Unit: -84-...
  • Page 85 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 12.2 Circuit diagram Outdoor Unit HCNL 821 XMR: PCB layout -85-...
  • Page 86 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 12..3 Wiring diagram Indoor Units: HSFL 411, 531 XMR CN12 CN14CN24 CN13 CN10 P: Connect to C1 signal line Q: Connect to C2 signal line -86-...
  • Page 87 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 12.4 PCB Photo Indoor Units: HSFL 411, 531 XMR CN10 CN24 CN14 CN13 CN22 CN12 CN26 CN15 CN21 CN20 -87-...
  • Page 88 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 12.5 Sensors' description and their resistance values Models Name Characteristics of temperature/resistance R25=10KΩ±3% E-coil temp.sensor B25/50=3700K±3% R25=23KΩ±2.5% Suction temp. sensor B25/50=3700K±3% HTFL 261 XMR HTFL 351 XMR R25=10KΩ±3% Coil temp.sensor HTFL 411 XMR B25/50=3700K±3% HTFL 531 XMR R25=23KΩ±2.5%...
  • Page 89 MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units R25=23KΩ±2.5% R25=23KΩ±2.5% R25=10KΩ±3% R25=10KΩ±3% R25=10KΩ±3% B25/50=4200K±3% B25/50=4200K±3% B25/50=3700K±3% B25/50=3700K±3% B25/50=3700K±3% Rnom(KΩ) Rnom(KΩ) Rnom(KΩ) Rnom(KΩ) Rnom(KΩ) T(℃) T(℃) T(℃) T(℃) T(℃) -20℃ 281.34 24℃ 24.12 -20℃ 90.79 10.43 2.09 -19℃ 263.56 25℃ 85.72 2.03 247.04...

  • Page 90: Table Of Possible Combinations And Related Performance Data

    MULTI FRIENDLY Air conditioning Systems - HSFL Indoor Units 13.1 Table of possible combinations and related performance data: Cooling MULTI-FRIENDLY COOLING Compatible indoor units Combinations Power Capacity Output/kW Current(A) Annual consumption(kW) Outdoor unit System Room 1 Room 2 Room 3 Room 4 INDOOR TOTAL CAPACITY 500h...
  • Page 91 MULTI FRIENDLY Air conditioning Systems - HSFL Indoor Units 13.2 Table of possible combinations and related performance data: Heating MULTI-FRIENDLY HEATING Compatible indoor units Combinations Capacity Output/kW Power consumption(kW) Current(A) Annual Outdoor unit System Room 1 Room 2 Room 3 Room 4 INDOOR TOTAL CAPACITY 500h...

  • Page 92: Cleaning And Care

    MULTI FRIENDLY Air Conditioning Systems - HSFL Indoor Units 14. Cleaning and care Before cleaning the air conditioner ,be sure to turn it off and disconnect CAUTION the Power Supply Cord. Be sure the Intake Grill is installed securely. When removing and replacing the air filters, be sure not to touch the heat exchanger, as personal injury may result.
  • Page 93 TERMAL srl Via della Salute, 14 40132 Bologna - Italy Tel. +39.051.41.33.111 Fax +39.051.41.33.112 www.termalgroup.com Due to on-going technological development of the products by the manufacturer, we reserve the right to vary the technical specifications at any time without notice.

This manual is also suitable for:

Hsfl 531 xmrHcnl 821 xmr

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