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

47

g

COOLER

HOTTER

Electronic Control Display

ON/OFF 

SWITCH

ON

OFF

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, Ratchet with 1/2” socket.

Removing the Inner Door/Manifold/Burner 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 102).

 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 103).

3.  Disconnect the electric connection by unplugging 

the transformer from the wall outlet (Figure 103).

4.  Remove the manifold cover/outer door from the 

unit by depressing on the lower portion and pulling 

outward.

5.  Unplug all the electrical connections from the 

bottom of the gas control valve/thermostat    

(Figure 104).

6.   Disconnect the electrical flag terminals and 

air pressure tubing to the pressure switch         

(Figure 105).

7.  Using a 3/4” open end wrench or a crescent 

wrench remove the manifold tube from the gas 

control valve/thermostat (turning counterclockwise 

-natural gas). Grasp the manifold tube and push 

down slightly to free the manifold tube from the 

gas control valve/thermostat (Figure 104).

8.  Use a 1/4” nut driver or 1/4” socket & ratchet to 

loosen the 2 hex head screws on the inner door 

so the inner door/manifold/burner assembly can 

be removed (Figure 106).

9.  Remove inner door/manifold/burner assembly by 

grasping the manifold and pulling straight back. 

Care should be taken when inner door and burner 

assembly passes through jacket opening that it 

does not damage any of the electrical wiring or 

the air pressure hose (Figure 107).