Rheem MPi 551 Series Owner's Manual And Installation Instructions page 28

HEAT PUMP AND TANK ASSEMBLY
4. Mains Power Connection: Connect the mains power supply wiring to the terminal block and earth
connection inside of the lower front cover.
Secure the conduit to the side of the storage tank with a saddle clamp.

The saddle clamp must be positioned over the pilot holes provided, otherwise the conduit will
interfere with the heat pump module installation.
Refer to "Connections – Electrical"
Note: The power supply to the water heater must not be switched on until the installation is complete,
the water heater is filled with water and a satisfactory megger reading is obtained.
Lower Front Cover: Refit the lower front cover.
5.
Tank Sensor Cable: Remove tape from tank sensor cable and unfurl.
6.
on page 38.
connect wiring and secure conduit with saddle clamp
Step 5
refit lower front cover
Step 4
remove tape from tank sensor cable
28
Step 6