Langley/Empire DV-20E-5 Manual De Usuario

Page 8

19562-1-0606

Warning: Conversion must be done by a qualiﬁed service technician. Main burner oriﬁce(s) and new

gas conversion label are provided in conversion kit attached to manifold pipe.

1. Make sure gas supply to furnace is off prior to conversion and disconnect electrical power to unit.

2. Open brass union located between the gas valve and burner box. Remove

the 4 mounting screws securing manifold plate to the burner box. Remove

the top 2 screws holding the burner box top in place and then remove the

1 screw holding the end of the manifold pipe in place. Grasp union and

remove manifold pipe.

3. Remove (1) Natural gas main burner oriﬁce marked 44 for DV-20E or

(2) Natural gas main burner oriﬁces marked 44 for DV-40E located in

the manifold pipe and replace with (1) LP gas main burner oriﬁce marked

55 for DV-20E or (2) LP gas main burner oriﬁces marked 55 for DV-40E

supplied in conversion kit.

4. Replace manifold pipe being sure to locate oriﬁce(s) in the end of the burner. Secure the manifold and top burner box cover in

place using the screws earlier removed. Reconnect the brass union.

5. Remove the vinyl cap and unscrew the gas control convertible regulator and reverse to LP gas side (red ring on regulator) and screw

back into place. Reattach vinyl cap. Refer to ﬁgure illustrating the gas valve.

6. Place Natural gas main burner oriﬁce(s) in conversion kit. Attach conversion kit to manifold pipe. Attach new label to unit name-

plate indicating that the unit was converted to LP gas.

7. Turn on gas supply to furnace and check all gas connections for leaks with soap solution, watching for bubbles on all gas connec-

tions.

8. Turn on electrical power to unit and turn on furnace to verify proper operation. It may take several tries for ignition to completely

purge all the air from the gas line.

Warning: Conversion must be done by a qualiﬁed service technician. Main burner oriﬁce(s) and new

gas conversion label are provided in conversion kit attached to manifold pipe.

1. Make sure gas supply to furnace is off prior to conversion and disconnect electrical power to unit.

2. Open brass union located between the gas valve and burner box. Re-

move the 4 mounting screws securing manifold plate to the burner box.

Remove the top 2 screws holding the burner box top in place and then

remove the 1 screw holding the end of the manifold pipe in place. Grasp

union and remove manifold pipe.

3. Remove (1) LP gas main burner oriﬁce marked 55 for DV-20E or (2) LP

gas main burner oriﬁces marked 55 for DV-40E located in the manifold

pipe and replace with (1) Natural gas main burner oriﬁce marked 44 for

DV-20E or (2) Natural gas main burner oriﬁces marked 44 for DV-40E

supplied in conversion kit.

4. Replace manifold pipe being sure to locate oriﬁce(s) in the end of the burner. Secure the manifold and top burner box cover in

place using the screws earlier removed. Reconnect the brass union.

5. Remove the vinyl cap and unscrew the gas control convertible regulator and reverse to Natural gas side and screw back into place.

The red LP ring will be up just under the vinyl cap. Reattach vinyl cap. Refer to ﬁgure illustrating the gas valve.

6. Place LP gas main burner oriﬁce(s) in conversion kit. Attach conversion kit to manifold pipe. Attach new label to unit nameplate

indicating that the unit was converted to Natural gas.

7. Turn on gas supply to furnace and check all gas connections for leaks with soap solution, watching for bubbles on all gas connec-

tions.

8. Turn on electrical power to unit and turn on furnace to verify proper operation. It may take several tries for ignition to completely

purge all the air from the gas line.

TOP VIEW

BACK END VIEW

GAS CONTROL LEVER SHOWN

IN "OFF" POSITION

OFF

CONVERTIBLE

REGULATOR

VINYL CAP

RED LP RING

CONVERSION INSTRUCTIONS FROM NATURAL GAS TO (LP) PROPANE GAS