Rheem MPi 551 Series Owner's Manual And Installation Instructions page 33

Cable Tab: Remove the tab on the side of the electrical entry to the heat pump module to accommodate
18.
the electrical conduit.
Pliers or tin snips may be required to remove the tab.
remove the tab on the side of the electrical entry to the heat pump module
Studs: Retrieve the three (3) studs from the kit and screw into the three (3) threaded inserts on the side
19.
of the tank closest to the wall.
These studs will assist in aligning the heat pump module for connection to the storage tank.
Step 18
Step 19
screw in studs into threaded inserts
33
HEAT PUMP AND TANK ASSEMBLY