DriSteem Vapor-Logic Instalační příručka stáhnout pdf (Strana 60)

Page 58 • DRI-STEEM GTS Humidifier Installation, Operation, and Maintenance Manual

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M a i n t e n a n c e : G T S a n d G T S - D I m o d e l s

Both GTS and GTS-DI models

Inspection recommendations:

• User inspection every 30 days.

• Appliance system inspected once a year by a qualified service

person.

During inspection, verify the following:

• Proper field operation of burner. Measure CO, CO

%, O

%, flue

temperature, and burner efficiency at 100% demand with the

tank at a boil. Verify that measurements are within the guidelines

described in Table 58-1; if not, consult DRI-STEEM.

• Flue passageways external to the appliance, such as vent

connector and chimney, are clear and free of obstructions.

• Vent connector is in place, sloping upward and is physically

sound without holes or excessive corrosion.

• Physical support of the appliance is sound without sagging,

cracks, or gaps between floor stand or tank flanges.

• There are no obvious signs of deterioration of the appliance.

• Burner flame is blue or orange in color — up to a ¼"

(6 mm) from the surface of the burner.

• See “Clean the probes” and “Clean low water cutout probe” on

Page 62 and 63.

Inspecting burner assemblies and heat exchanger tubes

This is not a regular maintenance item, but if the heat exchanger

tubes contain carbon deposits, soot, or other residue, clean as

follows:

• Turn off gas, electrical power, and water supply.

• Remove gas train shroud.

• Disconnect wiring to blowers, flame sensors, gas valves, and

ignition controllers and remove burner assemblies (each assembly

is mounted with four bolts).

• Remove vent box.

• Use a 6" (150 mm) flue brush with a 24" (600 mm) extension

and reversible drill. Work brush in and out of all combustion

chambers. Note: Disconnecting components from one burner

assembly at a time and then cleaning the corresponding

combustion chamber and burner will ease reassembly.

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DriSteem Vapor-Logic Instalační příručka Strana 60