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Installation and Maintenance Manual
R-410A 50Hz T1 Heat Pump
Model:YFGN18BZNRZUH1
YFGN24BZNRZUH1
YFGN36BZMRZUH1
YFGN48BZMRZUH1
YFGN55BZMRZUH1
Floor Ceiling Air-Conditioner
R-410A 50Hz T1 Cooling Only
Model:YFFN18BZNRZTH1
Version：YPM2017007HA
YFFN24BZNRZTH1
YFFN36BZMRZTH1
YFFN48BZMRZTH1
YFFN55BZMRZTH1
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Table of Contents
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Summary of Contents for York YFGN24BZNRZUH1
- Page 1 Installation and Maintenance Manual Floor Ceiling Air-Conditioner R-410A 50Hz T1 Heat Pump R-410A 50Hz T1 Cooling Only Model:YFGN18BZNRZUH1 Model:YFFN18BZNRZTH1 YFGN24BZNRZUH1 YFFN24BZNRZTH1 YFGN36BZMRZUH1 YFFN36BZMRZTH1 YFGN48BZMRZUH1 YFFN48BZMRZTH1 YFGN55BZMRZUH1 YFFN55BZMRZTH1 Version：YPM2017007HA...
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Page 2: Table Of Contents
Contents Alert Symbols .................................1 Caution Statements............................... Composition of the Air-Conditioner ........................4 Special Remarks ..............................6 Troubleshooting..............................6 Diagram of Refrigerant Cycle & Wiring 1. Refrigerant Flow Diagram ..........................8 2. Electrical Wiring Diagram ..........................8 Installation and Maintenance 1. Safety Notice..............................9 2. The Tools and Instruments for Installation .......................10 3. -
Page 3: Alert Symbols
Contents Alert Symbols： DANGER : The symbol refers to a hazard which can result in severe personal injury or death. : The symbol refers to a hazard or an unsafe practice which may result in severe personal injury WARNING or death. -
Page 4: Caution Statements
Caution Statements This air-conditioner shall be installed properly by qualified installation technicians in accordance with the installation instructions provided with the unit. The appliance shall also be installed in accordance with national wiring regulations. Before installation, check if the voltage of the power supply at installation site is the same as the voltage shown on the nameplate. - Page 5 Caution Statements The information of dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures is detailed in “Installation and Maintenance” part. Read this manual carefully before using this air-conditioner. If you still have any difficulties or problems, consult your dealer for help.
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Page 6: Composition Of The Air-Conditioner
Composition of the Air-conditioner Indoor Unit Air Intake Filter (Inside of Air Intake) Display Panel Air Outlet Vertical Louver (Inside of Horizontal Louver) Horizontal Louver Wireless Remote Controller Outdoor Unit 48K, 55K 18K, 24K, 36K Notes: Figures in the manual are only simple representation of the appliance, it may not comply with the appearance of the air conditioner you have purchased. - Page 7 Composition of the Air-conditioner Wire remote controller (optional) You can control the air-conditioner with the wired remote controller or wireless remote controller. It is used for power ON/OFF, setting the operating mode, temperature, fan speed and other functions. There are different types of remote controllers which can be used. Operation instruction will be further specified in remote controller's manual separately.
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Page 8: Special Remarks
Operation Manual Special remarks ● 3 minutes protection after compressor stop To protect compressor, it will be continue off for at least 3 minutes once it has stopped. ● 5 minutes protection Compressor must run 5 minutes at least once start running. In the 5 minutes, compressor will not stop even the room temperature reaches the set point unless you use remote control switch to turn off the unit (all indoor unit can be turned off by user). - Page 9 Operation manual 3. Not Cooling or Heating properly Check for obstruction of air flow at outdoor or indoor units. Check if too many heating sources are located in the room. Check if the air filter is clogged with dust. Check if the doors or windows are open. Check if the temperature condition is not within the operation range.
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Page 10: Diagram Of Refrigerant Cycle & Wiring
Diagram of refrigerant cycle & Wiring 1. REFRIGERANT FLOW DIAGRAM INDOOR UNIT OUTDOOR UNIT Gas piping Compressor Accumulator Wide service valve 4-way valve Liquid piping capillary tube Service valve Heating cycle Note: Accumulator is only applicable to 48k and 60k air-conditioners. Cooling cycle 2. -
Page 11: Installation And Maintenance
Installation and Maintenance 1. Safety Notice WARNING ·Installation should be performed by a professional. (Improper installation may cause water leakage, electrical shock or fire). · Install the unit according to the instruction given in this manual. (Incomplete installation may cause water leakage, electrical shock or fire). -
Page 12: The Tools And Instruments For Installation
Installation and Maintenance 2. The Tools and Instruments for Installation Number Tool Number Tool Standard screwdriver Knife or wire stripper Vacuum pump Gradienter Charge hose Hammer Tube bender Churn drill Adjustable wrench Tube expander Tube cutter Inner hexagon spanner Cross head screw-driver Tape measure 3. - Page 13 Installation and Maintenance ACCESSORY ITEMS For Unit Hanging For Unit Hanging And Paper Pattern Adjustment For Refrigerant Piping Connection For Tube Cover Fixing For Drain Tube Connection For Joint Socket Connection Heavy Insulation For Drain Hose Cover Joint Socket For Drain Hose Connection Jump Ring onnection For Drain Hose C...
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Page 14: Installation Location
Installation and Maintenance 3.2 Installation location 3.3 Installation · According to the actual installation space, installation can be Select the suitable areas to install the unit under done at in the ceiling or on the floor. approval of the user. ·... - Page 15 Installation and Maintenance ※The outlet through which the pipings are (2)Remove side panel. taken out is available in three directions. Remove the screw and detach the side panel by ※Tubes can be taken out in 3 directions (rear, right sliding it toward the direction indicated by the or top).
- Page 16 Installation and Maintenance Floor standing type installation · Place the left hanger bracket on the nuts and (1) Select the suspension bolt locations and the washers of the suspension bolts. tube hole location. · Make sure that the left hanger bracket has been .Use enclosed paper pattern as a reference, and drill fixed on the nuts and washers securely, install the the holes for the suspension bolts and tube.
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Page 17: Refrigerant Tubing
Installation and Maintenance 4. Refrigerant Tubing DANGER (2) As shown in Fig. 4.3, nut tightening with 2 spanners. Use the R410A refrigerant. When carrying on the leakage check and test, do not mix in the oxygen, the acetylene and flammable and the reactive gas, these gases are quite dangerous, and may possibly cause explosion. -
Page 18: Drain Tubing
Installation and Maintenance 5. Drain Tubing CAUTION · Install the drain tubing Drain tubing connections · Do not connect the drain directly to sewage tubes that smell of ammonia. The ammonia in the sewage might Refrigerant pipes enter the indoor unit through the drain tubes and corrode the heat exchanger. -
Page 19: Electrical Wiring
Installation and Maintenance 6. Electrical wiring CAUTION · When clamping the wiring, use the included clamping material as shown in the Fig. 6.1 to prevent outside pressure being exerted on the wiring connections and clamp firmly. · When doing the wiring, make sure the wiring is neat and does not cause the control box lid to stick up, then close the cover firmly. -
Page 20: The Installation Of The Outdoor Unit
Installation and Maintenance 8. The Installation of the Outdoor Unit Tube length L 8.1 Installation sites Indoor unit Avoid Direct sunlight Aisle Or sideway Height difference H Outdoor unit Thick Oil fog Wet Or Uneven place Container With Flammable materials Near Heat Source/ventilation fan Add. -
Page 21: Refrigerant Tubing
Installation and Maintenance 9.Refrigerant Tubing The two refrigerant tubes (and electrical wire if local 9.1 Flaring with Tube Expander codes permit) should be taped together with white Note: A good flare have the following characteristics: armoring tape. The drain hose may also be included Inside surface is glossy and smooth. -
Page 22: Air Purging And Test Run
Installation and Maintenance 10. Air purging and test run WARNING · Only after all the checking points have been checked Air and moisture remaining in the refrigerant system the unit can be operated. have undesirable effects. (A) Check and make sure that the resistance of the Therefore, they must be purged completely following terminal to ground is more than 2 M , otherwise, you Ω... -
Page 23: Electrical Installation
Installation and Maintenance 10.5 Electrical Installation ● Use an ELB (Electric Leakage Breaker). If not used, it might cause an electric shock or a fire. ● Do not operate the system until all the check points have been cleared. (A) Check to ensure that the insulation resistance is more than 2 , by measuring the MΩ... - Page 24 Correct Disposal of this product This marking indicates that this product should not be disposed with other household wastes throughout the EU. To prevent possible harm to the environment or human health from uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources.
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