Controls - State Water Heaters Utra-Force STC-077 Service Handbook

• On/Off switch in the "on" position
• Water Temperature F° — current average
tank water temperature displayed
• 120 VAC LED light on
• 24 VAC LED light on
• High Limit/Vent Switch LED light on
• Blower (while blower is running) LED light
on
• Air Pressure Switch (while blower is
running) LED light on
• Control Status LED light on
• Gas Valve (during ignition period and
heating cycle) LED light on
The water temperature inside the tank must be below the current temperature setting to activate a
call for heat. Pressing the Set/Reset button approximately 4 – 6 seconds after powering up the
water heater will reveal the current temperature setting. See the instructions below for how to view
or change temperature settings.
Technical Training Department
STC-077
S U F S E R V I C E
O P E R A T I O N

CONTROLS

NORMAL INDICATIONS / READINGS / SETTINGS
During Call for Heat
H A N D B O O K
DISPLAY PANEL (CONTROL PANEL)
16
State Water Heaters
Ashland City, Tennessee © 2004