PG 33 OF 48M0037�09 SEPTEMBER 2019Mountain Series CEInstallation and Operation ManualRFG-IR-(W) INITIAL START-UPFlame HeightIndex ScaleFlame HeightControl KnobFLAME HEIGHT INDICATORINITIAL RFG-IR-(W) OVEN START-UP PROCEDUREWood Stone recommends completing this start-up procedure before burning any wood� Models Listed for wood burning will havea “-W” in the model number�IMPORTANT: If at any time you feel that either or both of the burners are not operating properly, turn the oven off and call forservice� Before servicing, disconnect the electrical supply at the breaker and turn off the gas supply at the appliance’s individualgas shutoff valve� In the event of a power failure, no attempt should be made to operate the oven�Your oven was cured at the factory� However in the course of shipment, storage on site, etc� the ceramic materials will haveabsorbed moisture� It is critical that the procedure below be followed to ensure that this moisture is driven from the ceramic in acontrolled fashion� This will minimize cracking and prevent damage to the oven that could otherwise occur by bringing the ovento temperature rapidly the first time it is used� This initial procedure need only be followed the first time the oven is fired and/or ifthe oven has not been used for an extended period of time�BEFORE GETTING STARTED1. Make sure main gas supply is on (valve parallel with gas line)�2. Make sure that the venting system has been tested and approved for operation and is on�FIRST DAY1. Remove the Night Heat Retention Door(s)� Push the ON/OFF button on controller�It may take awhile for the gas to purge all the air from the gas lines�2. Allow oven to operate at the factory settings for 1 hour (Hearth Set Point at 38 °C(100 °F), radiant flame at its lowest setting)� Leave the Hearth Set Point at 38 °C(100° F) throughout the entire first day�3. After one hour, raise radiant flame to 25% (~60 cm (6") flame, “2” on the Flame HeightIndex Scale) using the Flame Height Control Knob� Hold this setting for 4 hours�4. After 4 hours at 25% flame, raise to 50% flame (~20 cm (8") flame, “3” on the Flame Height Index Scale) using the FlameHeight Control Knob and hold for at least another 4 hours or until the temperature reaches 260 °C (500 °F)�5. Once the temperature reaches 260 °C (500 °F) the oven is ready for use� If you will be shutting the oven down,see the instructions that follow�TURNING OFF THE OVEN1. Push ON/OFF button� All gas will go off� Put the Night Heat Retention Door(s) in place to retain heat�NOTE: Always wait 5 minutes before restarting the oven� Never run the oven with the Night Heat Retention Door(s) in place.NOTE: You may notice some small “crazing” cracks in the ceramic dome and floor after a few heat-ups and cool-downs� This isnormal and will not affect the longevity or performance of the oven� If cracks of 3 mm (1/8") or more develop, contact your localdistributor for evaluation�NEVER PLACE ANYTHING IN OR ABOVE THE RADIANT FLAMENIGHT HEAT RETENTION DOORSNOTE: Never operate this oven withthe (optional) stainless steel Night HeatRetention Doors in place� This option is forheat retention only, and should only beused when the oven is turned OFF�RFG-IR OVEN OPERATION