ITT McDonnell & Miller 14-B Series Скачать руководство пользователя страница 6 | Manualshive

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ITT McDonnell & Miller 14-B Series Скачать руководство пользователя страница 6

6

IMPORTANT: The burner must not turn on until the water
level has reached its minimum safe operating level as deter-
mined by the boiler manufacturer. If the burner turns on
before this point, immediately shut off the boiler and correct
the problem. Other equipment may be involved and the sys-
tem should be inspected by qualified personnel.

d. Verify that the burner is off and that the system is filling

with water by observing the water level rise in the
gauge glass(R)

R

STEP 3 - Testing

a. Make sure that the blow down valve handle (K) is in

its closed position.

K

CLOSED

b. Open the make-up water feed valve.

c. Turn on the power to the boiler system and turn on

the boiler.

OFF

ON

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Содержание McDonnell & Miller 14-B Series

Страница 1: ...serious burns wear heat resistant gloves when opening and closing valves or handling hot equipment To prevent serious burns allow the control and surrounding equipment to cool to 80 F 27 C and allow...

Страница 2: ...n valve D B D C C D B STEP 1 Preparation INSTALLATION TOOLS NEEDED One 1 flathead screwdriver one 1 scraper one 1 pipe wrench one 1 hammer and pipe sealing compound a Shut off the boiler and disconnec...

Страница 3: ...ontrol A If necessary use a hammer to tap it loose D D A A g Inspect the float chamber E for debris Carefully remove any debris mud or other for eign matter which may obstruct the float s full range o...

Страница 4: ...mble as shown J H Gasket Teflon Seal Teflon Seal Spring Ball Housing J b Position the blow down valve H onto the control s mating surface G So that it s handle K is acces sible and is able to swing th...

Страница 5: ...4 20mm NPT blow down pipe M and screw it into the control N Tighten the pipe M with a pipe wrench P to approximately 47 ft lb 64 N m M P N g Turn the blow down valve handle K to its closed position K...

Страница 6: ...he problem Other equipment may be involved and the sys tem should be inspected by qualified personnel d Verify that the burner is off and that the system is filling with water by observing the water l...

Страница 7: ...akage continues follow Step 1 to remove the blow down valve H Closely following the installation instructions replace it 2 If leakage occurs around the valve shaft S follow Step 1 to remove the blow d...

Страница 8: ...ter requirements PROCEDURE 1 Blow down the low water cut off when the water level is at its normal level and the burner is on Slowly open the blow down valve until it is fully open and observe the wat...

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