Haier DW-86L579BPT Service Manual
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Haier DW-86L579BPT Service Manual

Haier DW-86L579BPT Service Manual

Ultra-low temperature storage cabinet
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产品类型：超低温保存箱
Product type: Ultra-low temperature storage cabinet
产品型号：DW-86L579BPT/729BPT/829BPT/959BPT
Product model: DW-86L579BPT/729BPT/829BPT/959BPT
产品图示：
Product Diagram:
版本：00
Rev. 00
Haier 售后内部培训资料，严禁外传
Haier after-sale training materials, confidential.
编制：
Prepared by:
审核：
Reviewed by:
批准：
Approved by:
下发日期：
Issuance Date:
编号： YL-P3-06-超低温
No.: YL-P3-06-Ultra-low temperature DW-86L579BPT/729BPT/829BPT/959BPT
特种电器售后服务手册
Service Manual for Special
Electrical Equipment
DW-86L579BPT/729BPT/829BPT/959BPT

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Summary of Contents for Haier DW-86L579BPT

  • Page 1 Haier 售后内部培训资料，严禁外传 Haier after-sale training materials, confidential. 特种电器售后服务手册 Service Manual for Special Electrical Equipment 产品类型：超低温保存箱 Product type: Ultra-low temperature storage cabinet 产品型号：DW-86L579BPT/729BPT/829BPT/959BPT Product model: DW-86L579BPT/729BPT/829BPT/959BPT 产品图示： Product Diagram: 编制： Prepared by: 审核： Reviewed by: 批准： Approved by: 下发日期： 版本：00 Issuance Date: Rev.
  • Page 2 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 修订履历 Revision Record 修订次数 修订日期 修订作者 主要修订内容 Number of Revision Date Reviser Main Revision Contents Revisions...

  • Page 3: Table Of Contents

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 目录 Contents 一. 产品的特点与型号含义 .................... 6 Features and Model Implication of the Product ............6 产品的主要功能和特点 ..................6 1.1. 1.1. Main functions and features of the product ............6 型号含义 ......................7 Model designation .....................
  • Page 4 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 产品铭牌 ......................30 Product nameplate ..................30 七. 案例预防措施、产品使用及日常维护保养知识 ............33 Case Preventive Measures, Product Use and Daily Maintenance ......33 超低温变频制冷原理： ..................33 Principle of ultra-low temperature frequency conversion refrigeration:.... 33 超低温柜使用方法...
  • Page 5 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 12.1 Type failure and solutions ................54 常见问题故障排查 ................... 55 12.2 12.2 Troubleshooting common problems ..............55 十三.爆炸图和备件明细 ...................... 60 XIII. Explosion diagram and spare parts details ............60...

  • Page 6: 一. 产品的特点与型号含义

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 一. 产品的特点与型号含义 Features and Model Implication of the Product 1.1. 产品的主要功能和特点 1.1. Main functions and features of the product 1.1.1.超低温柜箱内温度适用范围为-40～-86℃； 1.1.1.The application range of the temperature in the ultra-low temperature cabinet is -40℃ to -86℃; 1.1.2.箱内外压力平衡设计，开关门容易；...

  • Page 7: 型号含义

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 1.1.13.可配置记录仪、网络监控系统、电磁锁、打卡模块等。 1.1.13. The recorder, network monitoring system, electromagnetic lock, card punching module, etc. 手机下载bio-link APP，可随时随地对箱内温度、报警和事件记录进行监控查看；(目前适用于中国) 1.1.14 Download bio-link APP to smart phone, can view and monitor temperature inside the cabinet, alarm record, event record( only applicable for china) 1.1.15.液晶屏自带wifi模块，可通过无线网络连接样本库软件（选配），轻松管理样本，安全、准确。...

  • Page 8: 人性化设计

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual refrigerating capacity, environment-friendly refrigerant , no fluorine, zero emission; 2.3.2 高密度保温层和 VIP 特殊保温材料的组合箱体设计，保温效果好； 2.3.2 High-density insulated combined cabinet body design, made of VIP special thermal insulation material, with good thermal insulation effect; 2.3.3 独立的多层密封结构加隔热系统设计，有效消除结霜现象；...

  • Page 9: 三. 产品外观结构特征

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 独有的智能压机启停控制，噪音更低，世界领先，工作环境舒适，使用者不烦躁。 Unique intelligent compressor start-stop control, enabling lower noise, leading in the world and comfortable working environment and the user is not anxious any more. 三. 产品外观结构特征 Product Appearance and Structural Features 3.1 变频系列新结构系列：...

  • Page 10: 四. 产品部件结构名称

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 四. 产品部件结构名称 Structure Name of Product Part 4.1 显示板显示结构 4.1 Display structure of the display panel 4.2 箱体结构 4.2 Box structure...
  • Page 11 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 内门手把：更换时将手把 侧面螺钉拆卸下来即可 Inner door handle: When replacing, remove the side screws of the handle. 全新外门手把 New outer door handle 平衡阀 Balanced valve 外门密封条：更换时将其 从固定槽中取出 Sealing strip of outer 一体式柜口 door: take out from the retaining groove when Integrated cabinet replacing...
  • Page 12 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual Backup 后备系统供电线 箱内主传感器固定固 system power supply line 定罩 Fixed cover for fixing main sensor inside the cabinet 测试孔 1 Test hole 1 不锈钢搁架固定卡子： 更换时直接取出 Fixing clip of stainless steel shelf: take out directly when replacing 后背穿线孔...

  • Page 13: 电控结构

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 箱体后背穿线孔， 四通道结构 测试孔 Test hole Threading hole at back of 内门手把 插拔式电源线 cabinet body, four-way The egress handle Plug-type power cord structure 物联模块 loT module 4.3 电控结构 4.3 Electric control structure 后备系统板...
  • Page 14 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 物联模块通讯线，连接 到主控板通讯线分出的 端子上 物联模块供电线连接到开关电源上，红线接 +V，黑线接-V Signal wire of lOT module, connected to Power supply cable of IOT module, connected signal wire terminal of with switching power supply, red wire connect control board with +V, black wire connect with -V...

  • Page 15: Main Control Panel

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 主控板 Main control panel 三色灯 变频信号线 5V 冷链 后备系统 门开关 打印机 组网 Three-color Variable frequency 5V cold chain Backup System Door switch Printer Networking lamp signal line 组网 电磁锁 Networking Electromagn- etic lock 电磁锁...
  • Page 16 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 热电偶板 Thermocouple plate 低温级蒸发器出口 exit of low stage evaporator 低温级蒸发器进口 entrance of low stage evaporator 低温级冷凝器出口 exit of low stage condenser 高温级冷凝器出口 exit of high stage condenser 主控板 Main control panel 高温级冷凝器进口...
  • Page 17 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 天线 三色灯板 The antenna Tricolor board 线排，控制触摸 主控板和HUB板接线 Screen control line The main control board and the HUB board connecting line 线排，控制点亮屏 Screen control line HUB板 HUB board 主控板 Main control board USB线，接CN5 喇叭...

  • Page 18: 系统结构

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 4.4 系统结构 4.4 System structure DW-86L829BPT/959BPT 冷凝器 Condenser 冷凝风机 Condensate fan 冷凝器传感器 Condenser sensor 油分 Oil separator 低压级压力开关 低温级干燥过滤器 Low pressure switch Low-temperature drying filter 高温级干燥过滤器 High temperature drying filter...
  • Page 19 Ultra-low Temperature Frequency Conversion After-sales Service Manual 吹风风机 Blowing fan 高温级压缩机 High temperature compressor 冷凝风机 Condensate fan 低温级压缩机 Low temperature compressor 油分 Oil separator 4个宽电压冷凝风机 4 wide-voltage condensate fan 油分 oil separator 高温级压缩机 High temperature compressor 低温级压缩机 DW-86L579BPT/729BPT Low temperature compressor...
  • Page 20 高温级变频器 High-temperatu High-temperatu re inverter re inverter 低温级变频器 低温级变频器 Low-temperatur Low-temperatur e inverter e inverter DW-86L579BPT DW-86L829BP T/959BPT/729B 变频器信号线长线接低温级变频器，短线接高温级变频器 The long line of frequency converter signal line connects to low-temperature frequency converter, with the short-line connected to high-temperature frequency converter...

  • Page 21: 五. 产品使用说明及产品改进介绍

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 五. 产品使用说明及产品改进介绍 5.1 Product Introduction and Product Improvement Introduction (详见说明书 See the instruction manual ) 5.1.6 超级管理员权限 Administrators permission 进入方式：点击登录在密码处输入8888888888进入超级管理员界面 Entry method: press “login”, input password 8888888888 to entry administrator interface. 将机舱内对应的热电偶线接到电控箱内热电偶板上对应的位置，①对应热电偶板上1号位置，可显示该热电...
  • Page 22 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 输入开始时间-结束时间，点击查询可查看该时间段内各点温度记录；点击下载，可对温度数据进行下载， 不输入时间点击下载，默认下载全部时间段数据。 Input start time and end time, press “inquiry” to view temperature record of all sensors in this period time; press “download” to download temperature data. If press download without inputting time period, it will download temperature data for all time period.
  • Page 23 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual record data for all time period. 【设置】Setting 型号：该机器对应的型号，系统自判定。 Model: the model information for this unit, system self-determination 箱内温度校准：当箱内实测温度与显示温度有差异时，可对箱内温度传感器进行校准，默认0，-10℃~10℃ 可调，校准后显示温度不变。例箱内显示温度-80℃，实测温度-78℃，选择+2℃，可使实测温度和显示温度一 致。 Temperature calibration of tank: when real measured temperature of tank deviates from temperature displayed on display panel, calibrate sensor temperature of tank, default value is 0, adjust range is -10℃...
  • Page 24 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual Calibration if voltage: when displayed voltage value deviates from real measured voltage value, calibrate the display panel value, default value is 0, adjust range is -9V~9V, displayed value changes after calibration. Example : 215V is displayed on the machine, but the user measures that the voltage is 220V, In order to lessen the difference, the voltage deviation can be adjusted by +5℃.
  • Page 25 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 可显示该保存箱压缩机寿命保护温度，压缩机/风机运行时间和设计寿命，仅做维修时参考。 This layer displays compressor protection temperature, compressor run time and design life expectancy, fan motor run time and design life expectancy, reference only for maintenance. 【机编】Input serial no. 如有用户更换显示屏，可手动输入机编号生成一维码，以便进行扫描枪扫描或查询机编等操作。 If user needs to replace display panel, input the serial no. to produce bar code, in order to scanning gun and serial no.
  • Page 26 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 环温传感器故障屏蔽-屏蔽环温报警 Ambient temperature alarm shielding – shield the ambient temperature alarm 冷凝器传感器故障屏蔽-屏蔽冷凝器脏报警 Condenser sensor error shielding - shield the condenser sensor error 箱内主传感器故障屏蔽-屏蔽传感器故障报警 Cabinet main sensor error shielding - shield the cabinet main sensor error 热交换传感器故障屏蔽-屏蔽传感器故障报警...

  • Page 27: 注意事项

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual Factory reset: Clear all data and factory reset 报警记录清空：一键清空所有报警记录，清空后无法恢复。 Alarm record clearance: wipe all alarm record, can’t recover 事件记录清空：一键清空所有事件记录，清空后无法恢复。 Event record clearance: wipe all event record, can’t recover 5.2 注意事项 5.2 Precautions 5.3.1 初次安装或搬动设备后，请顺时针旋转水平支脚使水平支脚支撑地面，确保保存箱使用时不移动，安装...

  • Page 28: 六. 产品主要技术参数

    Please contact with the local after-sales service provider to send professional maintenance personnel to remove it. 六. 产品主要技术参数 VI. Main technical parameters of the product 6.1 技术参数一览表 6.1 Table of main technical parameters 型号 DW-86L829BPT DW-86L959BPT DW-86L729BPT DW-86L579BPT Model 技术参数 Technical Parameters 产品属性 立式 立式 立式 立式...
  • Page 29 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 内部尺寸 870*716*1310 (mm) 1016*716*1310 (mm) 766*716*1310 (mm) 620*716*1310 (mm) Internal 870*716*1,310 (mm) 1016*716*1,310 (mm) 766*716*1,310 (mm) 620*716*1,310 (mm) dimensions (W*D*H) 外部尺寸 1145*998*1980(mm) 1296*998*1980(mm) 1046*998*1980(mm) 895*998*1980(mm) External 1,145*998*1,980(mm) 1296*998*1,980(mm) 1046*998*1,980(mm) 895*998*1,980(mm) dimensions (W*D*H) 净重/毛总...

  • Page 30: 产品铭牌

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual Compressor 制冷剂类型 HC-Free/R290/R170 HC-Free/R290/R170 HC-Free/R290/R170 HC-Free/R290/R170 Refrigerant type 6.2 产品铭牌 6.2 Product nameplate...
  • Page 31 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual...
  • Page 32 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual...

  • Page 33: 七. 案例预防措施、产品使用及日常维护保养知识

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 七. 案例预防措施、产品使用及日常维护保养知识 Case Preventive Measures, Product Use and Daily Maintenance 7.1 超低温变频制冷原理： 7.1 Principle of ultra-low temperature frequency conversion refrigeration: 低温冰箱采用复叠制冷系统，通常由两个或两个以上的制冷系统组成，分别称为高温级和低温级部分。高 温级使用中温制冷剂，低温级使用低温制冷剂，每一部分都是一个完整的制冷系统，用一个冷凝蒸发器将两部 分联系起来，它既是高温级的蒸发器，又是低温级的冷凝器。低温制冷剂在低温级系统的蒸发器内吸取被冷却 对象的热量，并通过冷凝蒸发器将此热量传给高温级系统的制冷剂，然后再由高温级系统的制冷剂将热量在高 温级的冷凝器内传给冷却介质。 The low-temperature refrigerator adopts cascade refrigeration system which is usually composed of two or more refrigeration systems, referred to as high-temperature level and low-temperature level respectively.

  • Page 34: 压力开关工作原理

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 3). 按操作 2 确认冷柜正常后，可以向冷柜内存放物品。原则上应存放-60℃的物品，不超过 1/3 箱体容量。 3). After confirming that the refrigerator is normal by operation 2, the items can be stored in the refrigerator. In principle, items of -60 ℃ shall be stored, not exceeding 1/ 3 cabinet capacity. 4).
  • Page 35 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual Standard electronic scale (error ≤ ± 2g) 4） 真空泵（≥4L） Vacuum pump (≥ 4L) 5） 压力表（要求可同时读出高压、低压）如图 1 Pressure gauge (high voltage and low pressure can be read at the same time) as shown in Figure 1 7.5.2 开系统...
  • Page 36 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual pressure does not recover, then the filling can be conducted. 【注意事项】 [Precautions] *四升以上的真空泵必需抽空 12 个小时 * The vacuum pumps of over 4L must be pumped for more than 12 hours 3Pa 以下 Below 3Pa 图...

  • Page 37: 八. 系统原理图及接线图

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual *为保证制冷剂灌注的准确性，所有制冷剂灌注时必需用电子秤称重灌注。 * In order to ensure the accuracy of refrigerant filling, all refrigerant must be weighed with electronic scales before filling. *抽空和制冷剂灌注没有按照以上的要求和操作流程执行导致机器制冷差或不制冷以及退换机的，一经 总部查实，凡重新维修的按此机的双倍维修费索赔，造成退换机的由网点买单。 * The evacuation and refrigerant filling are not performed in accordance with the above requirements so that the machine has a poor refrigerating effect or does not refrigerate and is required to be replaced;...
  • Page 38 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 接线图： Wiring diagram:...
  • Page 39 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual...
  • Page 40 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual...

  • Page 41: 九 控制系统

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 九 控制系统 九 control system 9.1 压缩机的控制 9.1 Control of compressor 9.1.1 开停控制 9.1.1 Start-stop control 9.1.1.1 正常控制 9.1.1.1 Normal control 1）开机条件：箱内温度≥设定温度+P20（默认 5），持续 30 秒（EEP）； 1) Start-up condition: the temperature inside the box is more than and equal to the set temperature + P20 (default 5), which lasts for 30s (EEP);...
  • Page 42 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 1)正常控制时，高低温压缩机开机时间大于 3 分钟（P26）才可以停机，停机时间大于 3 分钟（P23）才 可以开机； 1) During normal control, the machine can be stopped only if the startup time of high and low temperature compressor is greater than 3 min (P26), and can be started only if the shutdown time is greater than 3 min (P23).
  • Page 43 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual When the power supply is less than and equal to 93V(EEP) which lasts for 10s (EEP), the high and low-temperature compressor keeps start-up and does not stop; 当电源电压≥136V（EEP）持续 10 秒（EEP）时，则高低温压缩机正常控制。 When the power supply is more than and equal to 136V(EEP) which lasts for 10s (EEP), the high and low-temperature compressor is under normal control.
  • Page 44 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual F：本次计算频率值 F: This frequency value calculated F’：上次计算频率值 F ': Last frequency value calculated K：50(P04) T1：热交换器温度 T1: heat exchanger temperature K * (T1 – (-27℃(P03)))的范围为：-20(P05)～20(P06) The range of K * (T1 – (-27 ℃ (P03)) is: -20 (P05) - 20 (P06) F 的范围为：2000(P07)～4500(P08) F range is: 2000 (P07) ~ 4500 (P08) 4）低温压机启动自动控制（每...

  • Page 45: 风机的控制

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual K：50(P14) PT100：箱内温度 PT100: Temperature inside the box Tset：箱内设定温度 Tset: setting temperature inside the box K * (PT100 – Tset + 0℃(P19))的范围为：-20(P15)～20(P16) The range of K * (PT100 – Tset + 0 ℃ (P19)) is: -20 (P15) - 20 (P16) F 的范围为：2000(P17)～4500(P18) F range is: 2000 (P17) - 4500 (P18) 9.1.3开门事件...

  • Page 46: 电池控制要求

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual high-speed running, and the relay RL6 closes; 2.当低温压机转速持续 1min 均满足＜3500rad/min（EEP）（默认 3500，2000～4500 范围可调），采 用 两风机低速运行，RL6 和 RL7 继电器均吸合； 2. When the rotating speed of the low-temperature compressor meets the requirement of less than 3,500 rad/ min (EEP) (default 3500, adjustable at 2,000-4,500) within 1 min, two fans are used for low-speed running, and the relays RL6 and RL7 close;...
  • Page 47 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 如果充电电流＜590mA（EEP），则占空比加 1%（EEP）； If the charging current is less than 590mA (EEP), the duty ratio is increased by 1% (EEP); 2.当 13.5V（EEP）≤电池电压＜14.3（EEP）V 时， 2. When the battery voltage is more than and equal to 13.5 V (EEP) but less than 14.3 (EEP) V, 如果充电电流＞270mA（EEP），则占空比减...
  • Page 48 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 2.上次充电结束 30 天（EEP）时间到； 2. 30 days (EEP) from last charging are up; 3.电池电压＜11.2V（EEP）； 3. Battery voltage is less than 11.2V(EEP); 2)充电过程控制（每 10 秒（EEP）判断一次） 2) Charging process control (judge once per 10s (EEP)) 1.当电池电压＜12.0V（EEP）时，...

  • Page 49: 加热丝控制

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 锂电池充放电温度保护 Lithium battery charge/ discharge temperature protection 当电池温度≥65℃（EEP）时，停止电池充放电； When the battery temperature is higher than and equal to 65 ℃ (EEP), the charge and discharge of the battery are stopped; 当电池温度＜55℃（EEP）时，恢复电池充放电。 When the battery temperature is lower than 55 ℃...

  • Page 50: 十. 制冷循环透视图与平面图

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual The remote alarm function requires a normally-opened alarm function and a normally-closed alarm function which can be selected as required. In case of high temperature, low temperature and external power outage (whether the backup battery switch is opened or not), the remote alarm function is started.

  • Page 51: 产品的搬运及包装拆除

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 11.1.1.避免阳光直射 11.1.1. Avoid direct sunlight 11.1.2.周围空气流通良好 11.1.2. The surrounding air circulation is good 11.1.3.避免大量灰尘 11.1.3. Avoid large quantities of dust 11.1.4.避免机械摇摆或震动 11.1.4. Avoid mechanical sway or vibration 11.1.5.环境温度：5℃到 28℃，最高不超过 32℃，最理想的温度为 18℃到 25℃，必要时应使用空调系统。 11.1.5.

  • Page 52: 产品进入放置室

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 木底托拆除： Removal of wooden tray: 首先将整机机舱后背与木底托两个固定连接件 A 使用十字花螺钉拆除 ；如图 A 其次使用活动大扳手将木底 托两部分固定连接件的大螺栓 B 拆除；如图 B 最后由维修人员推柜子交叉将木底托按照图 C 和图 D 的方 式抽拉出来。 Firstly, remove two fixed connecting pieces A between the back of the whole engine room and the wooden tray by cross recessed screw;...

  • Page 53: 拆卸显示面罩

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual ②拆卸机舱前罩下面两个螺钉。 ② Remove two screws under the front cover of the engine room. ③将前罩卸下。 ③ Remove the front cover. ③将外门打开 180 度。 ③ Open the outer door by 180 degrees. 产品进门后，将机舱前护罩按原样安装好。 After the product enters the door, install the front guard of the engine room as it is.

  • Page 54: 十二.典型故障及解决措施、常见问题咨询

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 十二.典型故障及解决措施、常见问题咨询 XII. Typical Failure and Solutions, Frequently Asked Questions 12.1 型故障及解决措施 12.1 Type failure and solutions A 、显示温度与机器实际的测试温度不一致： A. The display temperature is inconsistent with the actual test temperature of the machine: 因我们的显示温度是在箱内某一个点的温度，用户检测的温度是箱内另一个点的温度，因位置不一致温度肯定...

  • Page 55: 常见问题故障排查

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual (2) 别的品牌在电脑板和感温探头设计上增加了回温较慢的功能， 所以用户在开门时回温较慢或长时间显示 开 门前的温度一致（例如美菱的产品）。 (2) The other brands add the function of slow temperature rising in the design of the computer board and the temperature sensing probe, so the temperature rises slowly or the temperature before opening door is displayed consistent for a long time when the user opens the door (for example, the product of Meiling).
  • Page 56 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual compressors wires repair to normal connection and B do not start 4.显示板、 控制板连 使用万用表测量连接线的电阻判定线束短路或断路故障， 然后无法维修的 (dual system) 线故障 更换线束 4. Display board Use a multimeter to measure the resistance of the connecting wire to and control board determine that the harness is short-circuited or open-circuited, and then connection failure...
  • Page 57 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual handle the fault 检查风机接插线是否掉落或没有插接,并重新处理线头和对接安装 1、风机接线掉 1. Wiring of fan Check whether the patch cord of fan falls or is not plugged, and falls reprocess the thread ends and realign for installation 检查风机叶片旋转是否有碰壁噪声和不选装，处理叶片和周围的异物，保...
  • Page 58 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 入电压≥4.9V 时， 传 plugged poorly or dropped, and whether the sensor is damaged 感 器 开 路 ； ≤0.1V 时，短路 When input voltage condenser sensor 2.检查显示板上的传感器插接端子是否松动或接触不良；显示板是否损坏 is more than and 2. Check whether the sensor plug-in terminal on the display panel is equal to 4.9V, the loose or poor contact;...
  • Page 59 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual nonuniform too big 2. If the temperature of the bottom layer is too high, re-open the system to add the low-temperature refrigerant R508B (or directly use the needle valve to add the refrigerant) 当由于开关电源隔离变压器绕组输出短路等原因造成开关电源损坏，无...

  • Page 60: 十三.爆炸图和备件明细

    超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 低温报警处理方法： Low-temperature alarm handling method: 冰箱显示温度≤低温报 警设定温度 （低温报警设 定温度≤运行设定温度-5℃） Refrigerator display temperature ≤ low temperature 否（正常情况） alarm setting temperature (low temperature alarm setting temperature ≤ operation setting No (Normal condition) temperature -5 ℃) 是...
  • Page 61 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 变频爆炸图部件明细 序 单台用量 单 DW-86L959B DW-86L829 DW-86L579 DW-86L729BPT 号 零部件名称Spare Part Name 位 QTY for 1 专用号 Spare Part No. unit uint 箱体组装 /cabinet assemblage 0270804446 0270804915 0270806634 0270806173 0270103284 0270103284 0270103284 锁鼻固定板组件...
  • Page 62 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 0271800074 0271800074 0271800074 0271800074B LED显示板/ display panel 平衡阀/pressure equalization port 0270200599 0270200599 0270200599 0270200599 0070107087 0070107087 0070107087 门铰链（通用）/door hinge (common use) 0070107087A 右侧护板组装/right side guard plate 0270103137 0270103137 0270103133 0270103137B assemblage 前护罩装配体/ front shelter assamblage 0270103378 0270103377...
  • Page 63 超低温变频 售后服务手册 Ultra-low Temperature Frequency Conversion After-sales Service Manual 0270100174 0270100174 0270100174 搁架条/ shelf strip 0270100174A 弹性卡/resilient clip 0270100175 0270100175 0270100175 0270100175 0270101332 0270100590 0270103149 0270101535 搁板/shelf 右侧板隔音棉被/right sound insulation 0270300174 0270300174 0270300174 0270300174A cotton 左侧板隔音棉被/left sound insulation 0270300174 0270300174 0270300174 0270300174B cotton...

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