Raypak HI DALTA HD101 User Manual download pdf (Page 43)

2. Visually check top of vent for soot. Call service

person to clean. Some sediment at bottom of vent

is normal.

3. Visually inspect venting system for proper func-

tion, deterioration or leakage.

4. Check that heater area is free from combustible

materials, gasoline, and other flammable vapors

and liquids.

5. Check for and remove any obstruction to the flow

of combustion or ventilation air to heater.

6. Follow pre-start-up check in the Initial Start-up

section.

7. Visually inspect burner flame. Should see light

blue flame. Visually inspect hot surface igniter for

damage, cracking or debris build-up.

8. Check operation of safety devices. Refer to manu-

facturer’s instructions.

9. Follow oil-lubricating instructions on circulator (if

required). Over-oiling will damage circulator.

Water-lubricated circulators do not need oiling.

10. To avoid potential of severe burn, DO NOT REST

HANDS ON OR GRASP PIPES. Use a light touch

- return piping will heat up quickly.

11. Check blower and blower motor. Clean and oil as

necessary.

12. Check for piping leaks around circulators, relief

valves and other fittings. Repair, if found. DO NOT

use petroleum based stop leak.

13. Check air filter and replace if necessary.

Daily:

1. Check that heater area is free from combustible

materials, gasoline, and other flammable vapors

and liquids.

2. Check for and remove any obstruction to the flow

of combustion or ventilation air to heater.

Monthly:

1. Check for piping leaks around circulators, mixing

valves, relief valves, and other fittings. If found,

repair at once. DO NOT use petroleum-based stop

leak compounds.

2. Visually inspect burner flame.

3. Visually inspect venting system for proper func-

tion, deterioration or leakage.

4. Check air vents for leakage.

Quarterly:

1. Check relief valve. Refer to manufacturer’s

instructions on valve.

2. Test low water cut-off, if used. Refer to manufac-

turer’s instructions.

3. Check the air filter; replace if necessary.

APPENDIX

Inside Combustion Air

Contamination:

All heaters experience some condensation during

start-up. The condensate from flue gas is slightly

acidic. In most cases the pH level is not harmful to

vents or drains. When combustion air is contaminated

by vapors from products in areas listed below, the

acidic levels in the condensate increase. Higher acidic

levels attack many materials, including stainless steel

commonly used in high efficiency systems.

The heater can use special corrosion-resistant non-

metallic intake vent material. You may, however,

choose to use outside combustion air for one or more

of these reasons:

• installation is in an area containing contaminants

listed below which will induce acidic condensation.

• you want to reduce infiltration into your building

through openings around windows and doors.

• you are using AL29-4C stainless steel vent pipe,

which is more corrosion-resistant than standard

metallic vent pipe. In extremely contaminated

areas, this may also experience deterioration.

Products causing contaminated combustion air:

• spray cans containing chloro/fluorocarbons

• permanent wave solutions

• chlorinated waxes/cleaners

• chlorine-based swimming pool chemicals

• calcium chloride used for thawing

• sodium chloride used for water softening

• refrigerant leaks

• paint or varnish removers

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Raypak HI DALTA HD101 User Manual Page 43

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