HCU 30 Base Unit 100 - 120 V, Model Number 704629/70103.4371 HCU 30 Base Unit 200 - 240 V, Model Number 704631/70103.4642 HCU 30 Base Unit Canadian/US, Model Number 705501/70103.4653 Heater Cooler Unit 30 with Serial Number <93101480 The affected power supply boards have serial numbers less than 107006001.
Maquet HCU 30 Coolant Type R134A Filling weight 250 g 120 V 50-60 Hz 1920 W || Product Usage: The Heater Cooler Unit (HCU) 30 is intended to circulate water through heat exchange circuits to warm or cool a patient during short duration cardiopulmonary bypass procedures lasting 6 hours or less.