Vermont Casting RADVTBD Injector Orifice Size Matrix, Air Shutter Adjustment, High Altitude Orifice

Radiance Direct Vent Gas Heater

5.Replace glass and stove front.

6.Restore gas to system and relight appliance accord- ing to Lighting Instructions on Page 30.

7.Leak check the system using a gas leak detector solution.

8.Relight the main burner in both the “HI” and “LO” po- sitions to verify proper burner ignition and operation.

Conversion is complete.

Table 2. Injector Orifice Size Matrix

Conversion to LP

					Input (BTU/h)
Model		Kit #	Orifice	Part #	Minimum	Maximum
RADVT		20012729	1.75 mm	20012946	25,000	36,000
RADVTC		20012900
		Conversion to Natural Gas
					Input (BTU/h)
Model		Kit #	Orifice	Part #	Minimum	Maximum
RADVT	20012899		#31 / 0.120”	20006927	25,000	38,000
RADVTC	20012902

Table 3. Air Shutter Adjustment

	Natural Gas	Natural Gas	LP
Model		High Altitude
RADVT/RADVC	1/2” Open	1/2” Open	1/2” Open

Table 4. High Altitude Orifice

[Required for altitudes above 2000’ (610 m) up to 4500’ (1,370 m)]

			Input (BTU/h)
Model	Orifice	Part #	Minimum	Maximum
RADVT/RADVTC	#33 / 0.113”	20012554	25,000	36,000
(Natural gas only)

*LP models do not need re-orificed up to 4500’ (1,370 m) above sea level.

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