Controls – State Industries Utra-Force STC-077 User Manual

Page 17

S U F S E R V I C E H A N D B O O K

O P E R A T I O N

Technical Training Department

State Water Heaters

STC-077

CONTROLS

NORMAL INDICATIONS / READINGS / SETTINGS

During Call for Heat

• 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

• 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

DISPLAY PANEL (CONTROL PANEL)

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.