A.O. Smith GP 6 50YPC T 100 Benutzerhandbuch

43

Important: Use only factory authorized replacement 

parts.  If you lack the necessary skills to properly 

perform the installation, you should not proceed, but 

get help from a qualified service technician.
Tools required: 3/4” Open-End Wrench or Crescent 

Wrench, Phillips Head Screwdriver, Ratchet with 1/4” 
socket or 1/4” Nut Driver.

Assembly:
1.  Set the gas control valve/thermostat to its lowest 

setting by pressing the “COOLER” and “HOTTER” 

buttons together at the same time holding for 1 

second. Then press the “COOLER” button to the 

lowest setting (Figure 89).

 2.  Turn gas control switch  to the “OFF” position 

(located right side of the gas control valve/

thermostat) and turn off the gas supply to the unit 

(Figure 90).

3.  Disconnect the electric connection by unplugging  

 

the transformer from the wall outlet (Figure 90).

4.  Remove the manifold cover/ outer door from the  

 

unit by depressing on the lower portion and   

 

 pulling 

outward. 

5.  Remove the inner door/manifold/burner assembly.  

 

See Removing Inner Door/Manifold/Burner    

 

 

Assembly, (page 41) (Figure 91).

6.  Lift the retainer clip straight up from the back of    

 

the manifold component block (using a flat-blade   

 

screwdriver), then remove the manifold component  

 

block from the manifold door (Figure 92).

7.  Remove and keep the screw securing the flame    

 

sense/hot surface igniter assembly (Figure 92).

8.  Remove and discard the old flame sense/hot   

 

 

surface igniter assembly.

9.  Route the new flame sense/hot surface igniter    

 

connector wire through manifold/burner door    

 

 

opening as shown in figure 92. Secure the    

 

 

assembly to the bracket ussing screw removed    

 earlier.
10. Reposition the manifold component block in the    

 

 manifold door opening and secure it with the   

 

 retainer 

clip.

11. Install inner door/manifold/burner assembly,            

 

(see page 42).        

12. Restart the water heater by following the 

directions on the “Lighting and Operating 

Instructions” label located on the front of the water 

heater.

13. Upon verifying proper operation of the water 

heater, replace the manifold cover/outer door.

Screw

Retainer Clip

Manifold Component

Block

Flame Sense/

Hot Surface

Igniter Assembly

g

COOLER

HOTTER

Electronic Control Display

ON/OFF 

SWITCH

ON

OFF