Danfoss DHP-A Service Instructions Manual page 22

14. Disconnect the flexible hose at the electrical auxiliary heater, see figure below.
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Figure 14. Connections
15. Unscrew the four screws in the corners that hold the water heater's bottom plate.
Warning! Always use two people for heavy lifting.
16. Lift off the unit with the water heater, pipe and electrical auxiliary heater.
Figure 15. Separating
17. Put the unit down carefully on a floor protector.
20 – Service instructions VMGFC302
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