Rheem 310 Owner's Manual And Installation Instructions page 26

HEAT PUMP AND TANK ASSEMBLY
Air Bleed Valve: Open the air bleed valve screw by rotating anticlockwise one turn.
11.
This will allow air to bleed from the circulator and flexible hose during the filling of the tank process.
Leave the screw in this position.

Ensure the screw is not removed, nor left screwed shut.

Step 11
open air bleed valve screw
by rotating one turn anticlockwise
12. Tank Sensor Cable Connection: Insert ONE tank sensor cable plug firmly into the connector marked
"TANK SENSOR" at the bottom of the control board.
Note: There are two tank sensor cables protruding through the top of the storage tank, each with a tank
sensor cable plug. Only ONE tank sensor cable plug is to be connected to the control board. The
second plug is a backup plug and is not to be connected to any part of the control board.
Ensure the plug is fully inserted so the holding clips on the board automatically engage the plug.

Coil up both the excess length of tank sensor cable and the spare cable and plug for stowage

behind the electrical cover when refitted.
Do not allow the cables and spare plug to hang loose outside of the control board enclosure as
damage to these components could occur.
Power Cable Connection: Connect the four (4) pin power cable plug to the connector at the top of the
13.
control board.
Ensure the plug fully engages the locking feature on the connector.

TANK SENSOR
CABLE PLUG
TANK SENSOR
CABLE
Steps 12 and 13
connect power cable and tank sensor cable
CONTROL BOARD HEAT PUMP with
SENSOR CABLE
26
power cable
connection
tank sensor
connection
BACKUP
PLUG