Hubbell Electric Heater Company HE Benutzerhandbuch

Seite von 22
 
 
15
HEATING ELEMENT 
1.  Disconnect power from unit. 
2.  Shut off incoming water supply. 
3.  Attach hose to drain connection. 
4.  Lift manual release lever on relief valve to let air into system or break union on outgoing 
water line. 
5.  Drain water from tank. 
6.  Disconnect the wires from the heating element terminals. 
7.  Remove the 3/8-16 nuts. 
Tank Flange 
 
 
 
 
                                     Element Terminals 
 
 
 
 
 
 
 
                           Nuts 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8.  Withdraw element assembly and remove gasket. 
 
 
 
                                          Gasket 
 
 
 
 
 
 
 
                              Element Assembly 
 
 
 
 
 
 
 
 
 
 
 
 
9.  Install new gasket and insert new heating element. 
10. For 3-phase heaters, rewire the element according to the voltage and phase rating of the unit 
as shown below. For single phase operations, connect wires to terminals. 
11. Fill tank and check around gasket for any leaks.