1200XX/120X-IMXX ModelsRefrigerator Service ManualVENTILATIONRoof Exhaust VentingThe space between the air intake vent and the rearof the refrigerator must be kept clear at all times. Anyobstruction in this area may cause serious ventilationproblems. The air intake vent opening also providesaccess for servicing cooling unit components.Roof Exhaust VentThe heat absorbed by ventilation air and combustiongases flow out of the enclosure through the roof exhaustvent. See Figure 9.The roof exhaust vent is equipped with a non-removable metal mesh screen that prevents leaves,debris, birds or rodents from getting into the enclosure.The roof cap is fastened to the exhaust vent with fourscrews. The cap is always installed with the slopetowards the front of the RV.Air Intake VentThe ventilation and combustion air flows into theenclosure through the air intake vent. See Figure 9.NOTEThe general guidelines for intake vents and roofexhaust vents presented in this section do not replacethe instructions and/or guidelines provided in the1200XX/120X-IMXX Installation Manual and theVentilation Guidelines For Gas/Electric Refrigerators,part number 622090A (3-01). Refer to the 1200XX/120X-IMXX Installation Manual and VentilationGuidelines For Gas/Electric Refrigerators for thelatest information on approved vents, installationinstructions, and special construction exceptions.Intake ventAbsorber coils1/8 inch maximum(if wider see Figure ##)Roof exhaust ventCondenserBaffles requiredwhen openingbetween outside walland cooling unitis over 1 inch.BaffleFull width of enclosureto isolate the top of refrigeratorfrom rejected heatRV frontExhaust vent screen1/4 inchor lessFans (2)Must bebetween3 and 4inches19Figure 9. Roof exhaust venting arrangement.