Shinco KFR-25GWZ BM service manual KFR-50GWZ/BM、KFR-70GWZ/BM

Page 57

Shinco Service Manual

KFR-50GWZ/BM、KFR-70GWZ/BM

Item

FAULT

CODE

CHECK POINT

COUNT MEASURE

 

 

 

 

 

1

INDOOR AIR SENSOR IS FAULTY

E1

1、CHECK THE SENSOR VALUE

CHANGE SENDOR

 

 

2、INDOOR BOARD IS FAULT

 

 

 

 

 

 

 

 

 

 

2

INDOOR PIPE SENSOR IS FAULTY

E2

 

CHANGE INDOOR BOARD

 

 

 

 

 

 

 

 

 

3

INDOOR IN-PHASE MOTOR IS FAULT

E3

-----------------------

-----------------------

 

 

 

 

 

 

 

 

 

4

COMMUNICATION FAULT BETWEEN

E4

1、CHECK IF THE CONNECTING WIRING IS CONNECT WELL

1、FIX THE WIRING AGAIN。

 

INDOOR UNIT AND OUTDOOR UNIT

 

2、TEST THE VOLTAGE VALUE BETWEEN L4 AND S, IF IT S

 

 

 

 

CHANGE REGULARLY,THE SINGAL TRANSFERING BETWEEN

 

 

 

 

INDOOR AND OUTDOOR UNIT IS GOOD,

 

 

 

 

WHEN ITS NO CHANGE

2、CHANGE RELATE PCB BOARD

 

 

 

IF VALUE IS BELOW 14V, THE INDOOR PCB BOARD IS FAULT,

 

 

 

 

CHANGE IT.

 

 

 

 

IF VALUE IS OVER 14V,THE OUTDOOR PCB IS FAULTY

 

 

 

 

3、CHECK IF THERE IS LED FLASHING ON THE OUTDOOR PCB

 

 

 

 

IF THERE IS NO FLASHING,CHECK VOLTAGE VALUE FROM

 

 

 

 

POWER BOARD TO PFC BOARD, BETWEEN ACL AND CAN ON PFC

 

 

 

 

BOARD

 

 

 

 

IF ITS NOT 220V, CHANGE POWER BOARD

 

 

 

 

IF ITS 220V,CHANGE PFC BOARD

 

 

 

 

 

 

5

DRIVER BOARD IS FAULT )

E5

DRIVER BOARD IS FAULT

DRIVER BOARD IS FAULT

6

OUTDOOR SENSOR IS FAULT

E6

1、CHECK THE SENDOR VALUE

CHANGE SENSOR

 

 

 

2、POWER BOARD IS FAULT

CHANGE POWER BAORD。

 

 

 

 

 

7

INDOOR MOTOR FAULTY

E7

----------------------

-----------------------

 

 

 

 

8

COMMUNICATION SIGNAL IS

E8

CHECK IF THE COMMUNICATION WIRING IS CONNECTED WELL.

FIX THE COMMUNICATION WELL

 

NOT GOOD

 

CHECK IF POWER BOARD OR DRIVER BOARD IS FAULT

CHANGE THE PCB BOARD

 

 

 

 

 

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Image 57
Contents Inverter Split system Air Conditioner R410A Model Annex PCB diagram Schematic diagram Part Remote controllerIndoor panel Outdoor panel Outdoor unit Outline Dimension of Indoor and Outdoor UnitsIndoor unit KFR-50GWZ/BM KFR-70GWZ/BM Specification Indoor unit Wiring diagram KFR-25GWZ/BM Wiring DiagramKFR-50GWZ/BM KFR-70GWZ/BM Outdoor unit Wiring diagram KFR-25GWZ/BM KFR-50GWZ/BM KFR-70GWZ/BM Refrigerant system diagram Additional refrigerant Charge R410Ag Piping length and height differenceKFR-25GWZ/BM、KFR-35GWZ/BM Sensor Resistance Table Sensor Resistance TablePage Page KFR-50GWZ/BM、KFR-70GWZ/BM Sensor Resistance Table Indoor air sensor R25=5K±2% B25/50=3950K±2% DatasheetPage Page Page Indoor pipe sensor R0=188.1K±4% ;B0/503877K±3% R-T datasheet Page Temp. Rmin KΩ Rcent KΩ Rmax KΩ ΔRmin ΔRmax Page Page Page Page Page Page Exploding view and part list of KFR-25GWZ/BM Indoor unit Parts List and exploding viewOutdoor unit Part Name Quantity Page PVC Outdoor unit Part Name Quantity Indoor unit Part Name Quantity BOM code Exploding view and part list of KFR-50GWZ/BMOutdoor unit Part Name Quantity BOM code Exploding view and part list of KFR-70GWZ/BM Indoor unit Outdoor unit Eb38676 Service warning Frequency table Cooling mode Fan-only modeOutdoor heat exchanger anti-overheated Heating mode Dehumidifying modeFrequency control during operation Indoor heat exchanger anti-overheated Protection Refrigerant charge modeLow voltage protection 、Display lamp Well Fault Page KFR-50GWZ/BM、KFR-70GWZ/BM Indoor Unit DON’T Match KFR-25GWZ/BM、KFR-35GWZ/BM 、 Outdoor power board 、 Outdoor diver board 、 Outdoor PFC board KFR-50GWZ/BM 、Outdoor power board 、outdoor driver board KFR-70GWZ/BM 、Indoor driver board 、 outdoor power board 、outdoor driver board Schematic 、 Outdoor power board 、Outdoor diver board 、Outdoor PFC board KFR-50GWZ/BM 、 outdoor power board 、 outdoor driver board KFR-70GWZ/BM 、Indoor driver board 、 outdoor power board 、outdoor driver board

KFR-25GWZ BM, KFR-25GWZ, BM specifications

The Shinco BM and KFR-25GWZ series represent a significant advancement in air conditioning technology, combining efficiency, performance, and user-centric features. Designed for both residential and small commercial applications, these models aim to provide optimal comfort while minimizing energy consumption.

One of the standout features of the Shinco BM series is its impressive energy efficiency rating, which helps to reduce electricity bills while still delivering powerful cooling and heating performance. The models are equipped with advanced inverter technology that allows for variable speed operation. This means that rather than cycling on and off entirely, the compressor adjusts its speed according to the required cooling or heating load. This not only results in a more consistent temperature but also extends the lifespan of the unit.

The KFR-25GWZ model integrates a multi-stage filtration system that ensures cleaner air quality. This system effectively captures dust, allergens, and other airborne particles, promoting a healthier indoor environment. Additionally, these units often feature a self-cleaning function which helps maintain the cleanliness of the internal components, enhancing efficiency and longevity.

User-friendly interfaces are another hallmark of the Shinco series. The remote control and optional Wi-Fi connectivity allow users to monitor and adjust settings from their smartphones or tablets. Features like programmable timers, sleep modes, and multiple fan speeds further enhance convenience.

In terms of design, the KFR-25GWZ is both sleek and modern, making it a perfect fit for various interior aesthetics. Its compact design ensures that it can be installed in a range of spaces without being obtrusive.

The noise levels of both the BM and KFR-25GWZ units are impressively low, making them suitable for bedrooms, offices, and other areas where quiet operation is essential. Enhanced insulation within the units minimizes sound, allowing users to enjoy their space without distraction.

Safety features including automatic restart after a power outage and overcurrent protection make these air conditioners reliable choices for households and businesses alike. Additionally, the environmentally friendly refrigerants used in these models contribute to lower global warming potential, aligning with contemporary sustainability goals.

In conclusion, the Shinco BM and KFR-25GWZ series showcase a blend of innovative technology, energy efficiency, and user-friendly features, making them an excellent choice for those looking to enhance their indoor comfort in a sustainable way.