This manual provides installation, operation, maintenance, and troubleshooting instructions for Thermo Fisher Scientific ULT low‑temperature freezers (RDE…
The guide begins with safety precautions, unpacking instructions, and a checklist of accessories. It explains how to position the freezer on a level surface, maintain proper clearances, and perform leveling and grounding before connecting power.
Subsequent sections cover daily use, initial loading, temperature monitoring, and detailed operating procedures. Maintenance tasks such as condenser cleaning, door‑seal upkeep, battery replacement, and a recommended maintenance schedule are described, followed by troubleshooting codes, warranty information, and contact details. This manual is written in Chinese.
| 300A model electrical rating | 115 V 60 Hz, 15.25 A |
|---|---|
| 400D model electrical rating | 208‑230 V 60 Hz, 7.6 A |
The freezer must be used in an ambient temperature of 15 °C to 32 °C (59 °F to 90 °F).
The condenser filter should be cleaned every two to three months.
It uses a rechargeable sealed lead‑acid battery rated at 12 V, 7.0 Ah.
A 500A model can be powered at 115 V 60 Hz (16.7 A) or 208‑230 V 60 Hz (7.6 A) depending on the variant.