Heat the oil drain pan, add ginger.

铁锅烧热放油、加姜片。

The anti-freezing heat exchanger is arranged in a drain pan.

防冻结热交换器设置在排水盘中。

When such locations can't be avoided, a suitable drain pan must be installed under the heater.

如果实在找不到这种位置，那么必须在热水器的底部安装一个排水盘。

It is recommended that a suitable drain pan be installed under the water heater as shown below.

建议如下图在热水器下方安装一个适当的排水盆。

Puts forward an anti-overflow method of adding an automatic water level alarming device to condensate drain pan.

提出在盘管冷凝水盘上增设水满报警器可以有效防治凝结水外溢。