Furnace Rem oval. Suburban SFV-42F, NT-24SP, SH-35, P-30S/40, P-40, SF-35, SH-42F, NT.12SE, SFV-42, NT.16SE

FURNACE REMOVAL

To replace parts or service the SUBURBAN fam ily of RV furnaces, it is necessary to follow these steps:

DD-17DSI

1.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

2.

Rem ove the vent cap assem bly by rem oving applicable screws.

3.

Rem ove the cabinet front two (2) screws.

4.

Rem ove the applicable screws securing the furnace to the coach floor.

5.

Rem ove duct from side of furnace, if equipped.

6.

Rem ove the furnace from the cabinet area to gain access to com bustion cham ber and applicable parts.

7.

Som e parts can be accessed without rem oval of the com plete furnace.

8.

To re-install, reverse this procedure.

9.

Rewire applicable wires and perform a leak test on all fittings. Perform a drop pressure test.

NT-12/16/20S

1.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

2.

Rem ove the vent cap assem bly by rem oving applicable screws.

3.

Rem ove the cabinet front two (2) screws.

4.

Rem ove the (1) one tie down screw securing the cham ber to the cabinet.

5.

Rem ove the furnace from the cabinet by pulling cham ber outward com pletely to gain access to all controls and applicable parts.

6.

To re-install, reverse this procedure.

7.

Rewire applicable wires and perform a leak test on all fittings. Perform a drop pressure test.

NT-12/16/20SE

1.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

2.

Rem ove the vent cap assem bly by rem oving applicable screws.

3.

Rem ove the cabinet front two (2) screws.

4.

Rem ove the (2) two tie down screws securing the cham ber to the cabinet.

5.

Rem ove the furnace from the cabinet by pulling cham ber outward com pletely to gain access to all controls and applicable parts.

6.

To re-install, reverse this procedure.

7.

Rewire applicable wires and perform a leak test on all fittings. Perform a drop pressure test.

NT-24/30/34SP and NT-40

1.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

2.

Rem ove the vent cap assem bly by rem oving applicable screws and one (1) flue retaining screw. Not applicable to NT-40.

3.

Rem ove the cabinet front two (2) screws.

4.

Rem ove the (2) two tie down screws securing the cham ber to the cabinet.

5.

Rem ove the furnace from the cabinet by pulling cham ber outward com pletely to gain access to all controls and applicable parts.

6.

To re-install, reverse this procedure.

7.

Rewire applicable wires and perform a leak test on all fittings. Perform a drop pressure test.

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FURNACE REMOVAL

SF-20/25/30/35/42, SFV-20/25/30/35/42, SH-35/42 and SHD-2542

1.

Rem ove the vent cap assem bly from the outside access door by rem oving applicable screws, also the four (4) screws retaining the door to the fram e. Rem ove the door to gain access to the furnace.

2.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

3.

Rem ove the (1) one tie down screw securing the cham ber to the cabinet.

4.

Rem ove the furnace from the cabinet by pulling cham ber outward com pletely to gain access to all controls and applicable parts.

5.

To re-install, reverse this procedure.

6.

Rewire applicable wires and perform a leak test on all fittings.

Perform a drop pressure test.

SF-20/25/30/35/42F, SFV-20/25/30/35/42F and SH-35/42F

1.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

2.

Rem ove the vent cap assem bly by rem oving applicable screws.

3.

Rem ove the cabinet front two (2) screws.

4.

Rem ove the (1) one tie down screw securing the cham ber to the cabinet.

5.

Rem ove the furnace from the cabinet by pulling cham ber outward com pletely to gain access to all controls and applicable parts.

6.

To re-install, reverse this procedure.

7.

Rewire applicable wires and perform a leak test on all fittings. Perform a drop pressure test.

P-30S and P-40

1.

Turn off gas and power, then disconnect gas and power supply at the furnace. Label wires as necessary.

2.

Rem ove the vent cap assem bly by rem oving applicable screws and one (1) flue retaining screw. (Not applicable to P40.)

3.

Rem ove the cabinet front two (2) screws.

4.

Rem ove the (2) two tie down screw securing the cham ber to the cabinet.

5.

Rem ove the furnace from the cabinet by pulling cham ber outward com pletely to gain access to all controls and applicable parts.

6.

To re-install, reverse this procedure.

7.

Rewire applicable wires and perform a leak test on all fittings. Perform a drop pressure test.

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