Cleveland SteamCraft 10 Service Manual page 40

Page 32 Chapter 2, SteamCraft 10 Service Manual Models 24-CGA-10, 24-CGP-10, 24-CEA-10, 24-CEP-10
a. Pressure test the gas supply lines as described in Pressure Testing Gas
Supply Lines.
b. Bleed trapped air from the gas supply lines as described in Bleed Air
From The Gas Supply Lines, above.
c. Check that the manual ON/OFF valve of the automatic gas control
valve is in the ON position.
d. Turn the main manual gas shut-off valve to the ON position.
2. Turn ON the electrical power to the SteamCraft 10 at the main disconnect
switch.
NOTE: When initial power is supplied to the SteamCraft. 10 with the
ON/OFF switch in the OFF position, a 3-minute blowdown
cycle starts. This blowdown cycle stops when the ON/OFF
switch is changed to the ON position.
3. For Atmospheric Models Only (24-CGA-10 and 24-CEA-10): Turn
ON the electrical power to the SteamCraft 10 at the control panel ON/OFF
switch.
a. Water begins filling the steam generator. The preheating circuits are
energized but the burners do not light until water reaches the safety
level sensor.
b. After 5 to 7 minutes, water reaches the safety level sensor and the
burners light with a distinctive sound.
• If the burners light within 7 minutes of turning the unit ON, the igniter
controls are functioning. End this test procedure here.
• If the burners do not light within 9 minutes of turning the unit ON,
there may be air in the gas supply lines. Proceed to step 5.
4. For Pressure Models Only (24-CGP-10 and 24-CEP-10): Turn ON the
electric al power to the SteamCraft 10 at the control panel ON/OFF
switch.
a. The red indicator the switch lights and water fills the steam generator.
b. After about 5 minutes, the amber indicator the STEAM switch lights.
c. When the amber light turns on, press the STEAM switch on the control
panel. The burners should light with a distinctive sound.
• If the burners light within one minute of pressing the Steam switch,
the igniter controls are functioning. End this test procedure here.
• If the burners do not light within one minute of pressing the Steam
switch, there may be air in the gas supply lines. Proceed to step 5.
5. Turn off electrical power to the SteamCraft 10, at both the panel ON/OFF
switch (Figure 2-16), and the main disconnect switch (Figure 2-8, Rec-
ommended Electrical Layout).
NOTE: When the burners fail to ignite, a safety circuit in the igniter
control de-energizes the system and closes the automatic gas
valve. The safety circuit resets when the SteamCraft 10 is
turned OFF and turned back ON.
6. Refer to Bleed Air from the Gas Supply Lines, and bleed any trapped air
from the gas supply lines.