UHD S TANDARD D UCT FURNACE INSTALLATION OPERATION AND S ERVICE M ANUAL10 of 556.2 SuspensionFor typical suspension, See Page 10, Figure 6.When handling or supporting the heater from below,ensure that the weight is taken at the support points.The gas or electrical supply lines must not be usedto support the heater.Do not locate the gas or electrical supply linesdirectly over the path of the flue products from theheater.The heater must be installed in a location that isreadily accessible for servicing.The heater must be installed in accordance withclearances to combustibles as indicated on theserial plate, wall tag and throughout the manual.See Page 7, Section 4.Figure 6: Suspension MethodsWARNINGCrush HazardUse 3/8" threaded rodminimum.Failure to follow theseinstructions can result indeath, injury or propertydamage.NutWasherRivNutEnsure all 3/8"-16 threadedsuspension hardware istorqued to a minimum of19 ft lbs. (25.8Nm)Support Points (for use in handling)3/8"-16ThreadedRodCone PointSet PinWindowClampUnistrutUnistrut3/8"-16ThreadedRodWasherNutChannel NutNOTE:Four suspensionpoints located on topof heater. Ductsupports not shown.Duct supports andduct are not providedby manufacturer.