6
1.0 Introduction
引言
This manual provides installation, operation, and service
troubleshooting instructions for Thermo Scientific
laboratory refrigerators and freezers. All three refrigerators have forced air evaporators. The PLR 221
evaporator is a pressed steel panel mounted to the back wall. Freezer model PLF 276 offers a shelf
evaporator and fan cooled condenser
本手册对赛默飞世尔科技实验室冰箱和冷冻柜的安装、操作和维护故障排
除等工作给予了说明。三种型号的冰箱都采用强制蒸发器。
PLR 221
是压制钢面板式蒸发器，安装于后壁。冷
冻柜型号
PLF 276
采用的是搁板式蒸发器和风扇制冷的冷凝器。
2.0 Safety Considerations
安全注意事项
WARNING! Do not modify or change system components. Replacement
parts must be O.E.M. exact replacement equipment. Any modification or
use of this equipment in a manner other than expressly intended may
cause death or serious injury. This includes use of user-supplied
components and materials not specifically designed for the equipment.
Reconfiguring the controller may cause death or serious injury.
警告！
请勿修改或更换系统组件。更换部件必须符合
O.E.M
标准。
修改组
件或将设备用于其明确用途以外的其他用途都可能导致死亡或严重伤害，例
如将用户提供的组件和材料用于设备，而不是使用专为设备设计的组件和材
料。重新配置的控制器可能会导致死亡或严重伤害。
Thermo Scientific shall not be liable for any damages, including incidental
and/or consequential damages, regardless of the legal theory asserted,
including negligence and/or strict liability.
不论斥诸任何法律理论（包括疏忽和
/
或严格责任），赛默飞世尔科技都将不
承担任何损害赔偿，包括附带和
/
或间接性损害。
Before using, user shall determine the suitability and integrity of the product
for the intended use and that the unit has not been altered in any way. User
assumes all risk and liability whatsoever therewith.
使用前，用户应确定产品预定用途的适宜性和完整性，并确定设备未以任何
方式改变。
用户承担因此产生的所有风险和责任。
