Empire Comfort Systems SR-10T-3 - Manual (Page 14)

16941-5-0907 Page 14
The correct flame will be blue and will extend beyond the ther-
mocouple. The flame will surround the thermocouple just below
the tip. A slight yellow flame may occur where the pilot flame and
main burner flame meet.
Figure 13
Oxygen Depletion Sensor Pilot (Figure 14)
When the pilot has a large yellow tip flame, clean the Oxygen
Depletion Sensor as follows:
1. Clean the ODS pilot by loosening nut B from the pilot tubing.
When this procedure is required, grasp nut A with an open end
wrench.
2. Blow air pressure through the holes indicated by the arrows.
This will blow our foreign materials such as dust, lint and
spider webs. Tighten nut B also by grasping nut A.
Figure 14
Never use needles, wires, or similar cylindrical objects to
clean the pilot to avoid damaging the calibrated ruby that
controls the gas flow.
To ignite main burner, turn gas control knob counterclockwise to-
ward HI setting. To shut down main burner, turn gas control knob
clockwise toward LO setting.
The SR-10T has an input of 10,000 BTUH (2.9KW/H). The hy-
draulic thermostat bulb is located at the casing assembly bottom.
When the hydraulic thermostat bulb senses the need for heat, the
unit cycles “ON” at a full input rate of 10,000 BTUH (2.9KW/H).
The unit remains at this full input rate until the hydraulic thermostat
bulb is “satisfied.” When the hydraulic thermostat bulb is “satisfied”
the burner will shut “OFF” with the pilot flame remaining “ON.”
The SR-18T has an input of 18,000 BTUH (5.3KW/H). The hy-
draulic thermostat bulb is located at the casing assembly bottom.
When the hydraulic thermostat bulb senses the need for heat, the
unit cycles “ON” at a full input rate of 18,000 BTUH (5.3KW/H).
The unit remains at this full input rate until the hydraulic thermostat
bulb is “satisfied.” When the hydraulic thermostat bulb is “satisfied”
the burner will shut “OFF” with the pilot flame remaining “ON.”
Note: The burner does not modulate between “ON” and the pilot
flame. When the SR-18T is “ON,” all three ceramic plaques will
“glow.” There will never be a time when only one or two ceramic
plaques are “glowing.”
The SR-30T has an input of 30,000 BTUH (8.8KW/H). The hy-
draulic thermostat bulb is located at the casing assembly bottom.
When the hydraulic thermostat bulb senses the need for heat, the
unit cycles “ON” at a full input rate of 30,000 BTUH (8.8KW/H).
The unit remains at this full input rate until the hydraulic thermostat
bulb is “satisfied.” When the hydraulic thermostat bulb is “satisfied”
the burner will shut “OFF” with the pilot flame remaining “ON.”
Note: The burner does not modulate between “ON” and the pilot
flame. When the SR-30T is “ON,” all five ceramic plaques will
“glow.” There will never be a time when only one or three ceramic
plaques are “glowing.”
The LO and HI setting has temperature range of approximately 55°F
(12.78°C) to 90°F (32.22°C), respectively. This is the temperature at
the hydraulic thermostat bulb not the room temperature. The owner
is advised to determine the particular heat setting that is desired for
comfort, as heating requirements are different for every owner.
Attention: If the owner does not want the main burner to ignite
and turns the gas control knob to the LO setting, the main burner
will still ignite if the temperature at the hydraulic thermostat bulb
drops to 55°F (12.78°C).
If no heat is desired, turn the gas control knob to the PILOT posi-
tion.
Main Burner Operation
Description of Gas Control Knob:
OFF position.
PILOT position.
LO/HI will allow the hydraulic thermostat bulb to cycle the heater
ON and OFF.
PILOT FLAME CHARACTERISTICS
THERMOSTAT OPERATION