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(1）制冷剂的充注。现在，盐水机组在出厂前通常都按规则充注了制冷剂，现场安装后，外观检查假如未发现意外损伤，可直接翻开有关阀门（应先阅览厂方的运用说明书，在运送途中，机组上的阀门通常处在封闭状况）开机调试。假如发现制冷剂已经漏完或许缺乏，应首先找出走漏点并排除走漏现象，然后按商品运用说明书请求，加人规则商标的制冷剂．留意制冷剂充注量应契合技术要求。

(1) refrigerant. Now, saline water machine in the factory usually according to the rules of filled with refrigerant, on-site after installation, check the appearance if an undetected accidental injury, directly open the valve should be first reading of the factory according to the descriptions in transit, the valve unit usually in closed) commissioning. If you find that the refrigerant has been leaking after may lack, should first find out the leak and eliminate leakage phenomenon, then according to the commodity based on the specification request, adds the trademark rules of refrigerant. Note that the refrigerant filling quantity should be in conformity with the technical requirements.

(2）有些盐水机组需要在用户现场充注制冷剂，制冷剂的充注量及制冷剂牌号必需依照规则。制冷剂充注量缺乏．会招致冷量缺乏。制冷剂充注量过多，不但会增加费用，而且对运转能耗等可能带来不利影响。

(2) some units need saline at the user's site of refrigerant, the refrigerant filling quantity of refrigerant and grade must be in accordance with the rules. The refrigerant charge will lead to lack of cooling capacity lack. The refrigerant charge too much, will not only increase the cost of operation, and energy consumption may adversely affect.

(3）在充注制冷剂前，应预先备有满足的制冷剂。充注时，可直接从专用充液阀门充入。因为体系处于真空状况，钢瓶中制冷剂与体系压差较大，当翻开阀门时（应先用制冷剂吹出连接管中的空气，避免空气进人机组，影响机组功能），制冷剂敏捷由钢瓶流人体系，充注完毕后，应先将充液阀门封闭，再移去连接管。

(3) in the refrigerant, should meet the pre prepared refrigerant. When charging, can be directly from the special liquid filling valve. Because the system is in a vacuum condition, cylinder refrigerant and system pressure, when the valve is open (should first with refrigerant blowing air connection tube, avoid air into the unit, the impact of functional units), the refrigerant agile by cylinder flow system, after filling, the liquid filling valve is closed, to remove connecting tube.

(4）制冷系统调试。制冷剂充注完毕后（如需要充注制冷剂），能够进行负荷调试。由于近年来，盐水机组在性能和电气控制方面都有了长足的进步，许多盐水机组在正式开机前能够对主要电控系统做模仿动作检侧，即机组主机不通电，控制系统通电，然后经过机组内部设定，对机组的电控系统进行检测，组件能否运转正常。假如电控系统出现什么问题，能够及时处理。最后再通上主机电源，进行调试。在调试过程中，应特别留意以下几点：

(4) debugging of refrigeration system. After the refrigerant (if need refrigerant), can load debugging. Because in recent years, saline water machine in terms of performance and electrical control have great progress, many saline water machine before the official start to of main electric control system simulation of the action side inspection, that unit is not energized, the control system is energized, and then through the internal generator set, the electrical control system of the unit were detected, components can work normally. What if the problem of electronic control system, timely treatment. Finally, through the host power supply, debugging. In the debugging process, should pay special attention to the following points:

1）检查制冷体系中的遍地阀门是不是处在正常的敞开状况，特别是排气截止阀，切勿封闭。

1) check valve in a refrigeration system and is not in the normal open state, especially the exhaust valve not closed.

2）翻开冷凝器的冷却水阀门和蒸发器的冷水阀门，冷水和冷却水的流量应契合厂方提出要求。

2) open the cold water valve of condenser cooling water valve and an evaporator, cold water and cooling water flow should fit the requirements.

3）发动前应留意调查机组的供电电压是不是正常。

3) should pay attention to the supply voltage before starting the investigation unit is not normal.

4）依照厂方供给的开机手册，发动机组。

4) in accordance with the manufacturer supplied on manual engine group.

5）当机组启动后，依据厂方提供的开机手册，查看机组的各项参数能否正常。

5) when the unit is started, according to the operation manual, check whether the normal parameters of the unit.

6）可依据厂方提供的螺杆式冷水机组运转数据记载表， 对螺杆式冷水机组的各项数据停止记载，特别是一些主要参数一定要记载分明。

6) according to the manufacturer to provide the screw type chiller operation data records list, the data of screw chillers stop records, especially some of the main parameters must be clearly documented.

7）在盐水机组运转过程中，应留意紧缩机的上、下载机构能否正常工作。

7) in the operation of the brine unit, should pay attention to the tightening machine, download the body can work properly.

8）应准确运用制冷体系中安装的安全保护设备，如高低压保护设备、冷水和冷却水断水流量开关、安全阀等设备，如有损坏应及时替换。

8) should be accurately on the basis of safety protection equipment installed in a refrigeration system, such as high and low voltage protection device, cold water and cooling water water flow switch, safety valve and other equipment, if damage should be promptly replaced.

9）盐水机组如出现异常情况，应立即停机检查。

9) if the abnormal situation occurs, the unit should be stopped immediately.

在制冷系统调试前， 一定要做好空调系统内部的清洁和枯燥工作。假如前期工作不认真停止，在调试期间将会增加许多工作量，而且会给制冷安装以后的运转带来许多隐患。

Before the refrigeration system is debugged, must do well the air conditioning system interior clean and dry work. If the previous work does not seriously stop, in the commissioning period will increase a lot of work, and will bring many hidden dangers to the operation of the refrigeration installation.

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