Delta PG PLUS-25 Operations Instructions download pdf (Page 64)

58

Maintenance Schedule

SECTION XV - Maintenance Schedule

Service Technician

At least on an annual basis the following main-

tenance should be performed by a qualified ser-

vice technician:

General

• Attend to any reported problems.

• Inspect the interior of the combustion

chamber; clean and vacuum if necessary.

• Clean the condensate trap in the vent

system and fill with fresh water.

• Check for leaks; water, gas, flue and

condensate.

• Verify flue vent piping and air inlet pip-

ing are in good condition and sealed

tight.

• Check primary system water pressure/

primary system piping/primary expan-

sion tank.

• Check domestic water pressure/domes-

tic system piping/domestic thermal

expansion tank.

• Check domestic and primary thermo-

stat settings.

• Check ignition electrode (sand off any

white oxide; clean and reposition).

• Check ignition wiring and ground

wiring.

• Check all control wiring and connections.

• Check burner flame pattern (stable and

uniform) and flame.

Additional items if combustion or performance

is poor:

• Clean baffles and flue ways.

• Remove burner assembly and clean

burner head using compressed air only.

Once the maintenance items are completed,

review the service with the owner.

Owner Maintenance

Daily:

• Check the area around the unit.

• Check the combustion air inlet and ven-

tilation openings for blockage.

• Check the temperature/pressure gauge.

Monthly:

• Check vent piping.

• Check combustion air inlet piping.

• Check the pressure relief valve.

• Check the temperature/pressure relief

valve.

• Check the vent condensate drain system.

• Check the automatic air vents in the pri-

mary system.

Every 6 months:

• Check both primary piping and gas

supply piping for corrosion or potential

signs of leakage.

• Operate the pressure relief valve.

• Operate the temperature/pressure relief

valve.

Periodically:

• Check the operation of the domestic

mixing valve.

Follow the maintenance pro c e d u re s

given throughout this manual. Failure

to perform the service and maintenance

or follow the directions in this manual

could result in damage to the PERFOR-

MANCE PLUS or in system compo-

nents, resulting in severe personal

i n j u ry, death or substantial pro p e r t y

damage.

WARNING

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