Raypak HI DALTA HD101 User Manual download pdf (Page 40)

Follow-Up

•

Safety checks must be recorded as performed.

• Turn unit on.

After main burner ignition:

• Check Manometer(s) for proper reading(s).

• Cycle unit several times and recheck readings.

• Re-analyze with unit running record or print

results.

• Remove all Manometers and replace hose,

replace all gas pressure caps.

• Check for gas leaks one more time.

POST START-UP CHECK

Check off steps as completed:

1. Heater and heat distribution units or storage tank

filled with water?

2. Automatic air vent, if used, open two full turns dur-

ing venting procedure?

3. Air purged from system?

4. Air purged from gas piping? Piping checked for

leaks?

5. Followed start-up procedure for proper start-up?

6. Is burner flame visible?

7. Test safety controls: If heater is equipped with a

low water cut-off or additional safety controls, test

for operation as outlined by manufacturer. Burner

should be operating and should go off when con-

trols are tested. When safety devices are restored,

burners should reignite after pre-purge time delay.

8. Test limit control: While burner is operating, move

indicator on high limit control below actual heater

water temperature. Burner should go off while

blower and circulator continue to operate. Raise

setting on limit control above heater water temper-

ature and burner should reignite after pre-purge

time delay. NOTE: This test doesn’t apply to fixed

setting high limits.

9. Test ignition system safety device:

· Turn on manual gas valve. Turn power on.

· Set thermostat to call for heat.

When the unit is in operation. Disconnect

combustion air blower pressure switch, burner

should go off immediately.

· Wait 5 minutes.

Reconnect combustion air pressure switch,

burner should reignite after pre-purge time

elay.

10. To restart system, follow lighting instructions in the

Operation section.

11. High limit control set to design temperature

requirements of system? For multiple zones: flow

adjusted as required in each zone?

12. Heater cycled with thermostat? Raise to highest

setting and verify heater goes through normal

start-up cycle. Reduce to lowest setting and verify

heater goes off.

13. Observed several operating cycles for proper

operation?

14. Set room thermostat or tankstat to desired temper-

ature?

15. Reviewed all instructions shipped with this heater

with owner or maintenance person, returned to

envelope and given to owner?

Air Filter Inspection/Removal

1. Turn power off.

2. Locate the Air Filter panel below the air intake

duct.

Fig. 33: Locate the Air Filter Panel

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Raypak HI DALTA HD101 User Manual Page 40

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