Installation Guide

ManualsBrandsThor Kitchen ManualsAppliance partsLiquid Propane Conversion kit for 30 in. Gas Range Top HRT3003U

Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas

INSTALLATION AND SERVICES MUST BE PERFORMED BY A QUALIFIED INSTALLER

IMPORTANT: SAVE INSTRUCTION MANUAL FOR THE LOCAL INSPECTOR’S USE.

READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE

Determine the combination of top burners that are featured on your range. Identify the parts you need

from this kit to complete the L.P. conversion. When burners are converted from natural to L.P. the BTU

ratings are as follows: Note: For operation at elevations above 2000ft., appliance rating shall be reduced

at the rate of 4% for each 1000 ft. above sea level.

IMPORTANT: After replacing the natural gas to LP orifices, be sure to keep the original factory installed

natural gas orifices for future range conversion back to natural gas.

Top Burner

Simmer

burner

Griddle

Burner

Oven Burner

Broil Burner

Bypass

Jet

BTU

18000

15000

12000

9000

6000

15000

22000

14000

16500

13000

Orifice Size

1.22mm/

1.24mm

1.07mm/

1.10mm

1.0m

0.8m

0.72

0.34m

1.16mm/

1.22mm

1.32m

1.10m

1.18m

1.05m

HRT3003U(

original)

HRT3003U

(new-LED)

HRT3618U

(original )

HRT3618U

(new-LED)

HRT4806U

This conversion kit must be installed by a qualified service technician in accordance with the

manufacturer's instructions and all applicable codes and requirements of the authority having jurisdiction.

Failure to follow instructions may result in fire, explosion or production of carbon monoxide causing property

damage, personal injury or loss of life. The qualified service agency is responsible for the proper installation

of this kit. The installation is not proper and complete until the operation of the converted appliance is

checked as specified in the manufacturer's instructions supplied with this kit.

Before proceeding with the conversion, shut off the gas supply before disconnecting

electrical power to the range. Be sure power supplies are off before installing the conversion kit. Failure to

do so could cause serious bodily injury.

Summary of content (9 pages)

PAGE 1
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas INSTALLATION AND SERVICES MUST BE PERFORMED BY A QUALIFIED INSTALLER IMPORTANT: SAVE INSTRUCTION MANUAL FOR THE LOCAL INSPECTOR’S USE. READ AND SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE This conversion kit must be installed by a qualified service technician in accordance with the manufacturer's instructions and all applicable codes and requirements of the authority having jurisdiction.
PAGE 2
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas ***Important*** Please verify your Thor Range Top design since we are two types of HRT3003U (30-inch range top) and HRT3618U (36-inch range top). Verify your design and make sure you are purchasing the correct LP conversion kit. Please reach Thor customer service department 877-288-8099 if there’s any part related issue. 1.
PAGE 3
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas 4* HRT3618U New LED Design (LED, Metal Knob, auto-ignition system, bypass jet is needed to be replaced) Serial number starts from HRT3618U1700001 ===LP Conversion Procedures=== 1. Convert the Pressure Regulator For the Range Top, the gas pressure regulator is located at bottom right of the range top.
PAGE 4
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas (From the top of the Range Top) a. Electrical shock hazard can occur and result in injury or death. Disconnect electrical power to the range before servicing. Do not remove regulator or allow it to turn during servicing. b. Unscrew the cap from the regulator. Do not remove the spring from the regulator. c. Unscrew the plastic insert from the cap and turn it over, so the longer stem is facing the cap.
PAGE 5
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas a. Remove cooking grates, burner caps and inner flame ring base, b. Check the burner Orifice and use 7mm hexagonal Socket to screw out the NG orifice and screw it in with LP orifice. For 18K Burner, the orifice is 1.22mm/1.24mm; for 12K Burner, the orifice is 1.00mm. c. For the burner valve part, HRT3003U (original) valve design is available for both NG and LP gas, so no bypass is needed for LP conversion. B.
PAGE 6
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas C. HRT3618U (original) D. HRT3618U (new-LED-design) HRT3618U: Left front burner 18K BTU Single Burner, right front burner 18K BTU Single Burner, Middle front burner 15K BTU Dual Burner, left rear burner 12K BTU, right rear burner 12K BTU, middle rear burner 12K BTU.
PAGE 7
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas HRT4806: Left front burner 18K BTU dual burner, right front burner 18K BTU dual burner, middle front burner 18K BTU single burner; left rear burner 15K BTU, right rear burner 15K BTU, middle rear burner 15K BTU, Griddle. a. Remove cooking grates, burner caps and inner flame ring base, b. Check the burner Orifice and use 7mm hexagonal Socket to screw out the NG orifice and screw it in with LP orifice.
PAGE 8
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas 3.Griddle Orifice install (only for 4806 Range Top) a. Remove back panel and backsplash by removing 6 screws inside the ventholes, 4 screws 2 on each side of the back panel and bottom row screws on the back panel which should be about 4 to 5 b. Once having access to back you would remove the black screws with screwdriver c. Remove brass fitting by using a wrench to untighten the nut to put in 1.16/1.22 orifice d.
PAGE 9
Instructions for Converting Range Top to Operate on Liquefied Petroleum Gas 5. Reconnect Gas and Electrical Supply to Range. Leak testing of the appliance shall be conducted according to the installation instructions provided with the range.