Carrier 50DP User Manual

Carrier Parkway • Syracuse NY 13221Single-Package Cooling UnitsINSTALLATIONRigging and Unit Placement — Inspect unit for transportation damage

CYCLE-LOGSTEPCONTROLLERSEVENDAYTIMERPROPORTIONALTHERMOSTATFig. 14 — Control Panel, Variable Volume Units3. If supply air leaving unit is above 50 F (

12 3 4STEP CONTROL SWITCHFig. 15 — Step Controller SequenceCAM ADJUSTMENTS - The step controller is shipped with cams set to operate switches

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correct superheat for various operating conditions. An accurate pressure gage and temperature sensing device are required. Connect temp

iFor replacement items use Carrier Specified Parts.Manufacturer reserves the right to discontinue, or change at any time, specifications or designs wi

Table 1 — Physical DataUNIT SIZE 50DP012014016OPERATING WT (lb)Unit135014101590With Economizer150015601740Roof Curb200200200COMPRESSORHermetic -- 2 Cy

Roof Mount — Check building codes for weight distribution requirements. Unit weight is shown in Table 1.Alternate Unit Support Methods

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Outside Air Damper (25% ventilation dir) -- Outside air damper can be adjusted to permit up to 25% outdoor air entry into return air compartm

Condensate Drain — See Fig. 3 and 8 for drain locations. Plugs are provided in both drain holes and at least one must be removed

Table 3 — Electrical Data; 50DP014VOLTS/PH/HZVOLTAGERANGECOMPROUTDOOR FAN MOTORINDOOR FAN MOTORFACTORY INSTALLED HEATERSPOWER SUPPLYMin Ckt AmpsMax Fu

TBJ.aoo ccO Ili(/> aFig. 10 — Field Power Wiring ConnectionsSTART-UPUnit Preparation — Make sure that unit has been installed in accordan

Table 6 — Air Quantity Limits#€UNIT MODEL T 50DP0Ì2 50DP014 50DP016MIN CFM30003750—4500MAX CFM500062507500‘* Indoor Fan Max Watts = 3000Automatic Cha