Carrier 58CVA Installation, Start-up, Operating And Service And Maintenance Instructions

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Carrier 58CVA Installation, Start-up, Operating And Service And Maintenance Instructions Manual pdf 6 page image

4. If you touch ungrounded objects, firmly touch a clean,unpainted metal surface again before touching control orwires.5. Before removing a new control from it’s container, dischargeyour body’s charge to the ground. If the control is to beinstalled in a furnace, follow items 1 through 4 before bringingthe control or yourself in contact with the furnace. Put all usedand new controls into containers before touching ungroundedobjects.LOCATIONStep 1—GeneralThis multipoise furnace is shipped in packaged configuration.Some assembly and modifications are required when used in anyof the four applications shown in Figure 4.NOTE: For high-altitude installations, the high-altitude conver-sion kit MUST be installed at or above 5500 ft above sea level.Obtain high-altitude conversion kit from your area authorizeddistributor.This furnace must:• be installed so the electrical components are protected fromwater.• not be installed directly on any combustible material other thanwood flooring (refer to INTRODUCTION).• be located as close to the chimney/vent and attached to an airdistribution system. Refer to Air Ducts section.• be provided ample space for servicing and cleaning. Alwayscomply with minimum fire protection clearances shown on thefurnace rating plate.Do not install furnace in a corrosive or contaminated atmo-sphere. Make sure all combustion and circulating air require-ments are met, in addition to all local codes and ordinances.This gas furnace may be used for construction heat providedthat:-The furnace is permanently installed with all electricalwiring, piping, venting and ducting installed according tothese installation instructions. A return air duct is provided,sealed to the furnace casing, and terminated outside the spacecontaining the furnace. This prevents a negative pressurecondition as created by the circulating air blower, causing aflame rollout and/or drawing combustion products into thestructure.-The furnace is controlled by a thermostat. It may not be ″hotwired″ to provide heat continuously to the structure withoutthermostatic control.-Clean outside air is provided for combustion. This is tominimize the corrosive effects of adhesives, selaers and otherconstruction materials. It also prevents the entrainment ofdrywall dust into combustion air, which can cause fouling andplugging of furnace components.-The temperature of the return air to the furnace is no lessthan 55 degrees F, with no evening setback or shutdown. Theuse of the furnace while the structure is under construction isdeemed to be intermittent operation per our installationinstructions.-The air temperature rise is within the rated rise range on thefurnace rating plate, and the firing rate has been set to thenameplate value.-The filters used to clean the circulating air during theconstruction process must be either changed ot thoroughlycleaned prior to occupancy.-The furnace, ductwork and filters are cleaned as necessary toremove drywall dust and construction debris from all HVACsystem components after construction is completed.DO NOT install the furnace on its back, or hang furnace withcontrol compartment facing down. Safety control operationwill not perform properly. A failure to follow this warningcan cause a fire, personal injury, or death. (See Fig. 5.)Step 2—Location Relative to Cooling EquipmentThe cooling coil must be installed parallel with, or on thedownstream side of the unit to avoid condensation in the heatexchangers. When installed parallel with the furnace, dampers orother flow control must prevent chilled air from entering theFig. 3—Return Air TemperatureA0205560Fig. 5—Prohibit Installation on BackA020545