OWNER’S MANUAL
INSTALLATION
Continued
NATURAL GAS MODEL TC100VRNG
WARNING: Review and un- derstand the warnings in the Safety Information section, page
2.They are needed to safely op- erate this heater. Follow all local codes when using this heater.
WARNING: Test all gas pip- ing and connections for leaks after installation or servicing. Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak. Correct all leaks at once.
1.Provide natural gas supply system.
2.Install plumbing to a low pressure natu- ral gas source. The source must be regu- lated to 1/2 psi maximum 3/4 inch i.d. hose or flexible connector not over 10 feet long.
3.Connect the hose to the regulator inlet. Use thread sealing compound. Tighten with a wrench
4.Open natural gas supply valve slowly.
5.Check all connections for leaks.
WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints. Bubbles forming show a leak that must be cor- rected. Correct all leaks at once.
6.Close natural gas supply valve.
Valve Inlet
Hose
Figure 4 - Hose and Valve Inlet
OPERATION
WARNING: Review and un- derstand the warnings in the Safety Information section, page
2.They are needed to safely op- erate this heater. Follow all local codes when using this heater.
TO START HEATER
1.Follow all installation, ventilation, and safety information.
2.Locate heater on stable and level sur- face. Make sure strong drafts do not blow on heater.
3.Make sure unit is turned off by slightly depressing and turning control knob fully clockwise to OFF.
4.Open supply valve on gas slowly. Note: If not opened slowly, excess- flow check valve on propane tank may stop gas flow. If this happens, you may hear a click inside the regulator assem- bly, this is the check valve closing. To reset the excess flow check valve, close propane supply valve and open again slowly.
5.Slightly depress and turn control knob counterclockwise to the LOW position (see Figure 5 or 6).
6.With the control knob pushed all the way in, press and release the piezo ignitor but- ton. Keep pressing piezo ignitor button un- til the burner lights. Hold control knob down for a maximum of 15 seconds while attempting ignition. If heater does not ig- nite, release control knob and wait 3 min- utes before attempting reignition.
7.After ignition, hold control knob down for about 30 seconds. This activates the automatic control system.
8.When burner remains lit, set heater at the desired heat level by slightly depress- ing the control knob and turning it coun- terclockwise to the MED or HIGH set- tings (see Figure 5 or 6). Note: The emit- ter glows red on the HIGH setting only.
9.If burner goes out, turn off gas. Slightly depress and turn control knob fully clockwise to OFF. Check fuel supply. If adequate fuel is available, wait 5 minutes, and restart heater beginning at step #1.
Continue Turning |
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| Start | ||
Knob Counter- | Off | ||||
clockwise to MED | /Low | ||||
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Position Position | |||||
and HI | |||||
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| MEDIUM | START/ | MEDIUM | START/ | |
| LOW | LOW | |||
Piezo | HIGH | OFF | HIGH | OFF | |
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Ignitor |
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Button |
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| Control | |
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| Knob | |
Figure 5 - Control Knob and Piezo Ignitor Button Locations for Propane Model TC100VR
Piezo Ignitor | Off | Start | |||
Button | /Low | ||||
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| Position Position | ||||
| MEDIUM | START/ | MEDIUM | START/ | |
| LOW | LOW | |||
| HIGH | OFF | HIGH | OFF | |
Control
Knob
Figure 6 - Control Knob, and Piezo Ignitor Button Locations for Natural Gas Model TC100VRNG
TO STOP HEATER
1.Tightly close gas supply valve. Allow heater to burn remaining fuel in hose.
2.Shut off burner. Do this by pushing in the control knob and turning clockwise to the OFF position.
TO RESTART HEATER
1.Wait five minutes after stopping heater.
2.Restart heater by following steps un- der To Start Heater.
CAUTION: Running heater below specified input rating may cause flashback. During flash- back, the burner flame is mostly yellow. The flame will burn inside the burner tube, causing a roar- ing noise. If flashback occurs, turn heater off. After burner tube cools, restart the heater.
106179 | 5 | For more information, visit www.desatech.com |
