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Summary of Contents for Gree KFRS-9/Na-M
- Page 1 Combination Heat Pump Water Heater U s a g e a n d I n s t a l l a t i o n M a n u a l This manual is suitable for the unit: KFRS-9/Na-M GREE ELECTRIC APPLIANCES，INC OF ZHUHAI...
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Page 3: Table Of Contents
Usage and Installation Manual for Combination Heat Pump Water Heater CONTENT 1.Usage notice ..................... 3 2. Working principles and instruction to the unit ..........5 3. Features of the unit ..................6 4. Structure of the unit ..................7 5. Dimension of the unit ..................8 6.Technical parameters .................. - Page 4 Usage and Installation Manual for Combination Heat Pump Water Heater...
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Page 5: Usage Notice
Usage and Installation Manual for Combination Heat Pump Water Heater 1.Usage notice Dear users: Thank you for choosing our Heat Pump Water Heater. Please read this manual carefully before installation to install and use the unit correctly according to the following procedure. Specially remind you meaning of the following marks: Warning! Means incorrect operation may cause injuries and deaths or badly hurt. - Page 6 Usage and Installation Manual for Combination Heat Pump Water Heater 8、Don’t insert finger or things into exhaust vent or air-inlet grille. 9、Don’t turn on or turn off the unit by inserting or plugging out power cord. 10、Don’t refit the unit. Please contact with dealer or professional installation personnel when the unit needs to repair or move.
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Page 7: Working Principles And Instruction To The Unit
Usage and Installation Manual for Combination Heat Pump Water Heater manual controller with benzene, thinner or chemical cloth to avoid fading of surface and failure of elements. Clean the unit with the cloth soaked in neutral eradicator .Slightly clean the display screen and connecting parts to avoid fading. -
Page 8: Features Of The Unit
Usage and Installation Manual for Combination Heat Pump Water Heater of refrigerant at certain temp to meet water supply requirements. The unit is equipped with multi-function insulating water tank in which three sets of finned coil are set. One set of finned coil is for refrigerant heating water in water tank, and the other one is for living water which is heated secondly by water in water tank to ensure cleanliness, health, comfort. -
Page 9: Structure Of The Unit
Usage and Installation Manual for Combination Heat Pump Water Heater Water for washing is obtained from the second heat exchange of water in water tank is healthy and temperature suitable to keep people comfortable Friendly man-machine interface The host unit displays in English through which various data can be consulted. If there is malfunction, error code will be automatically displayed so that repair and maintenance are very convenient. -
Page 10: Dimension Of The Unit
Usage and Installation Manual for Combination Heat Pump Water Heater 5. Dimension of the unit Dimension of host unit KFRS-9/Na-M: Unit：mm... - Page 11 Usage and Installation Manual for Combination Heat Pump Water Heater Multi-function insulating water tank Dimension of Outline dimension: Capacity A（mm） B（mm） H（mm） 325L 1745 500L 1760 Notes for copper pipe ：A1, A2, B, C, D are external finned copper pipe A1.[φ19] Recycled hot water heating section 10m A2.[φ19]...
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Page 12: Technical Parameters
Usage and Installation Manual for Combination Heat Pump Water Heater 6.Technical parameters Technical parameters of host unit Model KFRS-9/Na-M +7℃ 9/3.6 Capacity/COP 8.3/3.4 0℃ The tempreture for -10℃ 7.2/3.0 heating water out is +45℃ -15℃ 6.2/2.8 The compressor Power Input... -
Page 13: Operation Range
Usage and Installation Manual for Combination Heat Pump Water Heater 7.Operation range Ambient temp range Ambient temp range of unit during operation: -15~28℃ Water-inlet temp range 5~53℃（equipped with auxiliary electric heater with certain heating capacity） Water-inlet temp range Maximum water-out temp is 60℃. -
Page 14: Installation Of Outdoor Unit
Usage and Installation Manual for Combination Heat Pump Water Heater 8.Installation of outdoor unit 1). Inspection All heat pump water heaters are packaged with block board box. Certain quantity of R410A is pre-charged in each host unit to ensure normal operation of the unit. 2). -
Page 15: Installation Of Water Tank
Usage and Installation Manual for Combination Heat Pump Water Heater 5). Space requirements for installation Pay attention to the distance between unit and obstacle shown by arrows. Installation space of outdoor unit Unit: mm Example distance Distance >500 >1000 >500 >500 9.Installation of water tank 1). -
Page 16: Connection Of Pipeline
Usage and Installation Manual for Combination Heat Pump Water Heater b． Drain the water through drainage pipe at the bottom water tank of unit during disusing in winter. Water tank at 2℃ will decrease by 8℃ in 24 hr. Water tank at 7℃will decrease by 5℃ in 24 hr. 4). - Page 17 Usage and Installation Manual for Combination Heat Pump Water Heater constructing, the following points should be noticed: Conform to local criteria about pipeline. ★ ★ Select corresponding pipe diameter according to specified dimension of tubing. Water velocity in main pipe should not exceed 2m/s. ★...
- Page 18 Usage and Installation Manual for Combination Heat Pump Water Heater Installation sketch of unit 1. Host unit 2.Insulating water tank 3. Refrigerant-in 4. Refrigerant-out 5. Hot water- out 6. Cold water in 7. Water-outlet of water tank 8. Water-inlet of water tank 9.
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Page 19: Wiring Diagram
Usage and Installation Manual for Combination Heat Pump Water Heater 11.Wiring diagram Display board Water tank 4-core twisted pair wire 4-core twisted pair wire thermal sensor > > flow out 4-core twisted pair wire Main board Electric control box Electric control box for Main outdoor unit >... - Page 20 Selection of power supply wiring and air switch: switch Model Power supply type power supply cord （A） KFRS-9/Na-M 380-415V 3N~ 50Hz H07RN-F 5G 1.5mm Note： 1.The power supply wire must be copper core wire, and the working temperature can not be higher than limited value.
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Page 21: Controller Usage Instruction
Usage and Installation Manual for Combination Heat Pump Water Heater 12.Controller usage instruction A. Display function of displaying panel LCD displaying panel 1. HEAT: it will be displayed only during heating. 2. Error code: It will be displayed in main display area when there is error with system or communication. - Page 22 Usage and Installation Manual for Combination Heat Pump Water Heater temp unit. Individual temp or parameter may exceed 99, then adopt AX for 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 one of a number bamong 0～9.
- Page 23 Usage and Installation Manual for Combination Heat Pump Water Heater If unit is normally off, buzzer will not sound anyway. If unit is normally on, buzzer will sound once when the unit is reset after being energized and quickly tested. It also sounds when button is pressed and there is important error under on state.
- Page 24 Usage and Installation Manual for Combination Heat Pump Water Heater on；＝XFH terminals on 13: Operation state of outdoor unit 14：Operation state of outdoor unit 15：Operation state of indoor unit 16：Operation state of indoor unit 17：＝00 means auxiliary heating ,auto antifreeze is off; ＝01 means auxiliary heating ,auto antifreeze is on;＝02 means auxiliary heating is off and auto antifreeze is on;＝03 means auxiliary heating is on and auto antifreeze is off.
- Page 25 Usage and Installation Manual for Combination Heat Pump Water Heater 11. Deviation to set temp. (ΔT) 12. Outdoor ambient temp. for defrost 13. Exhaust pipe high-temp. protect temp. 14. Interval between terminals off and host stops Water temp setting of unit in off state The water temp at upper part of water tank can be changed by changing temp of thermal sensor, which can be set within the range of 30～45 users through pressing ▲or ▼...
- Page 26 Usage and Installation Manual for Combination Heat Pump Water Heater E． Error code Error code Meaning Reset mode High-pressure protection of compressor Manual reset Antifreeze protection of system Auto reset Low-pressure protection of compressor Manual reset Exhaust temp protection of compressor Manual reset Overload protection of compressor Manual reset...
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Page 27: Check Before Trial Running
Usage and Installation Manual for Combination Heat Pump Water Heater 13.Check before trial running Checking the unit and electric control ★ Check if appearance of unit and pipeline system is damaged during transporting or conveying. Check if wiring terminals of electric elements are loose and phase sequence is correct. Check if power supply is in accordance with that on nameplate. -
Page 28: Daily Operation And Maintenance
Usage and Installation Manual for Combination Heat Pump Water Heater 15.Daily operation and maintenance 1. Operation and Maintenance of Host Unit ★ The filter of water system must be cleaned periodically to ensure cleanliness of water and prevent filth blockage. User should operate the manual controller installed indoors to start or stop the unit or setting ★... -
Page 29: Common Errors And Solutions
Usage and Installation Manual for Combination Heat Pump Water Heater bottom of water tank. ★ The magnesium stick equipped in water tank should be replaced every year. 16. Common errors and solutions If there is any question in usage, please contact with local dealer or agency. The following phenomena are not malfunctions: During heating, if surface temp of heat exchanger is lower than outdoor ambient temp and below zero, the surface of heat exchanger will frost ,but the control system will periodically defrost it to... - Page 30 Usage and Installation Manual for Combination Heat Pump Water Heater exchanger ● Clean heat exchanger and filter E. Inadequate water flow volume ● Increase water flow volume 6. Compressor operates A. All refrigerant is leaked ● Check, repair charge but the unit doesn’t heat refrigerant B.
- Page 32 Please read this manual carefully for correct use of this unit. And please keep it well for future consult. GREE 66172209 Gree Electric Appliances, Inc. of Zhuhai Add: No.6 Jinji West Rd, Qianshan, Zhuhai City, Guangdong Province Tel: (86-756) 8617555 (Customer service center) P.O. Box: 519070...
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