Henkel K-900 - Manual (Page 7)

CHANGING THE THERMOSTAT
1. Disconnect from the power source.
2. Remove cover plate from control box and disconnect wire connectors from thermostat leads.
3. Remove thermostat knob and chrome bezel. Knob is secured by recessed set screw.
4. From the inside of the oven, remove sensing tube from holder. Thermostat may now be removed and
sensing tube pulled through side wall of oven.
5. Remove leads from old thermostat and place on new, being sure leads are securely screwed in place.
6. To replace thermostat, uncoil an adequate length of the sensing tube to reach holder. Insert sensing
tube through oven wall and place in holder.
7. Place thermostat in control box and loosely fasten chrome bezel in place with red indicating line in
upward position. Place knob on thermostat stem and adjust bezel so that knob turns freely. Remove
knob and secure bezel. Replace knob and tighten set screw.
8. Reconnect electrical lead as per wiring diagram being sure all connections are secure and insulated.
Replace control box cover.
Wiring Diagrams
K-900 & K-1000 Ovens
120Volts/3000 Watts
Grounding Plug 125 V/20A
NEMA L5-20P Not Provided
240Volts/3000 Watts
Grounding Plug 250 V/15A
NEMA L6-15P Not Provided