ITT 150S-HD Скачать руководство пользователя страница 6

Страница: 6 / 11

Using a wrench, insert the eight (8) bolts and

tighten them to approximately 14-20 ft•lb
(19-27 N•m) in an alternating star pattern.

Align the bolt holes of the new head gasket (J)

on the sealing surface of the control body.

Carefully remove the new replacement head
mechanism from the carton. Handle it carefully
to prevent damage to the float rod (G).

Install the new replacement head (K) on the
body (D) by guiding the float into the control
body and aligning the bolt holes.

STEP 2 - Installing the Replacement Head Mechanism

Содержание 150S-HD

Страница 1: ...off must be installed in series with all other limit and operating controls installed on the boiler After installation check for proper operation of all of the limit and operating controls before leav...

Страница 2: ...FFERENTIAL 19mm PUMP OFF PUMP ON 3 4 DIFFERENTIAL 19mm PUMP OFF BURNER OFF NORMAL BOILER WATER LINE 113 16 DIFFERENTIAL 46mm OPERATION Maximum Pressure 150 psi 10 5 kg cm2 Electrical Ratings Settings...

Страница 3: ...ening or closing will occur at slightly different levels than indicated above Model 158S 150 psi 10 5 kg cm2 Levels 0 psi 0 kg cm2 150 psi 10 5 kg cm2 Pressure Settings and Differential Pressures cont...

Страница 4: ...8 DIFFERENTIAL 35mm Values are 8 3 2mm 150 psi 10 5 kg cm2 Levels Approximate Distance Above Cast Line Differential Setting In mm In mm Pump 1 Off 15 16 24 5 16 8 Pump 1 On 5 8 16 Pump 2 Off 5 8 16 3...

Страница 5: ...boiler to a level which is below the float chamber A Allow the boiler to cool to 80 F 27 C and release the boiler pressure to 0 psi 0 bar b Using a flathead screwdriver remove the junction box cover B...

Страница 6: ...ew head gasket J on the sealing surface of the control body a Carefully remove the new replacement head mechanism from the carton Handle it carefully to prevent damage to the float rod G K D c Install...

Страница 7: ...lay is used in conjunction with it To prevent electrical shock turn off the electrical power before making electrical connections This low water cut off must be installed in series with all other limi...

Страница 8: ...larm off Boiler feed pump on burner off alarm on 1 2 4 5 6 1 2 4 5 6 1 2 4 5 6 Motorized valve closed burner on alarm off Motorized valve open burner on alarm off Motorized valve open burner off alarm...

Страница 9: ...al rating 1 2 4 5 6 ALARM NEUTRAL HOT ALARM NEUTRAL HOT 1 2 4 5 6 1 2 4 5 6 SEE PUMP CONTROL CIRCUIT TO NEUTRAL TO BURNER CONTROL CIRCUIT HOT ALARM 1 2 4 5 6 LOAD LINE 3 PHASE SEE PUMP CONTROL CIRCUIT...

Страница 10: ...erification of proper operating sequence If the burner comes on immediately turn the boiler off and make the necessary corrections Failure to follow this warning could cause an explosion or fire and r...

Страница 11: ...on NOTE Refer to page 2 for switch operating points Open upper valve 1 Slowly open the lower valve 2 Water in the sight glass should lower As the water in the sight glass lowers the pump should turn o...