Page 3 - Table of contents; Model number nomenclature
Table of contents Page Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1,2Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3ARI Capacities . . . . . . . . . . . . . . . . . ...
Page 6 - Physical data
Physical data UNIT SIZE 48SS 018040 024040 024060 030040 030060 030080 036060 036080 036100 036120 NOMINAL CAPACITY (ton) 1 1 ⁄ 2 2 2 2 1 ⁄ 2 2 1 ⁄ 2 2 1 ⁄ 2 3 3 3 3 OPERATING WEIGHT (lb) Without Base Rail 272 303 315 320 324 324 336 336 348 348 With Optional Base Rail 296 327 339 344 356 356 360 36...
Page 7 - Options and accessories; Field-installed accessories
Options and accessories Factory-installed optionsUnit with base rail provides holes for rigging and forklifts as well as an elevated mounting frame that gives additionalstructural support for horizontal installations. Ideal for lightcommercial applications. Downflow option unit is shipped from facto...
Page 8 - Base unit dimensions
Base unit dimensions REQ’D CLEARANCES FOR SERVICING. in. (mm) Duct panel . . . . . . . . . . . . . . . . . . . . . . . . 0 Unit top . . . . . . . . . . . . . . . . . . . . . . . 36 (914)Side opposite ducts . . . . . . . . . . . . . . . . . . 36 (914) Compressor access . . . . . . . . . . . . . . . ....
Page 12 - Accessory dimensions
Accessory dimensions ROOF CURB DIMENSIONS PART NUMBER ‘‘A’’ 48SS CPRFCURB001A00 8 9 [203] CPRFCURB002A00 11 9 [279] CPRFCURB003A00 14 9 [356] NOTES:1. Roof curb must be set up for unit being installed.2. Seal strip must be applied as required for unit being installed.3. Dimensions in [ ] are in mill...
Page 14 - Performance data
Performance data COOLING CAPACITIES 48SS018 TEMP (F) AIR ENT COND EVAP AIR — CFM/BF 525/0.10 600/0.12 675/0.13 Evap Air — Ewb (F) 62 67 72 62 67 72 62 67 72 85 TC 15.8 17.4 19.0 16.0 17.6 19.2 16.1 17.8 19.3 SHC 13.6 11.2 8.7 14.4 11.8 9.0 15.1 12.4 9.2 kW 1.76 1.80 1.85 1.81 1.86 1.90 1.86 1.91 1.9...
Page 19 - Typical piping and wiring
Typical piping and wiring Power WiringControl Wiring Outdoor Airflow Indoor Airflow NEC — National Electrical Code HORIZONTAL DISCHARGE DOWNFLOW DISCHARGE CEILING SUPPLY-AIRFLEXIBLE DUCT ROOF-MOUNTINGCURB ROOF RETURN-AIRFLEXIBLE DUCT 19
Page 20 - Application data
Application data Condensate trap — A 2-in. condensate trap must be field supplied. Ductwork — Secure downflow discharge ductwork to roof curb. For horizontal discharge applications, attach duct-work to unit with flanges. To convert a unit to downflow discharge or horizon-tal discharge — Units are eq...
Page 21 - Typical control wiring schematic,
Typical control wiring schematic, 48SS018-060; 208/230-1-60 LEGEND AWG — American Wire Gage BR — Blower Relay C — Contactor CAP — Capacitor CH — Crankcase Heater COMP — Compressor Motor CR — Combustion Relay EQUIP — Equipment FL — Fuse Link FS — Flame Sensor FU — Fuse GND — Ground GVR — Gas Valve Re...
Page 24 - Electrical data
Electrical data UNIT 48SS V-PH-HZ VOLTAGE RANGE COMPRESSOR COND FAN MOTOR INDOOR FAN POWER SUPPLY AWG 60 C MIN WIRE SIZE† MAX WIRE LENGTH (ft) Min Max RLA LRA FLA FLA MCA MOCP* 018 208/230-1-60 187 253 7.6 45 0.7 1.8 12.0 15 14 75 024 208/230-1-60 187 253 12.4 61 0.7 2.0 18.2 30 12 80 030 208/230-1-...
Page 25 - Controls; Sequence of operation
Controls Sequence of operation Heating — On a call for heating, terminal ‘‘W’’ of the ther- mostat is energized, starting the induced-draft motor. Whenthe hall-effect sensor on the induced-draft motor senses thatit has reached the required speed, the burner sequence be-gins. This function is perform...
Page 26 - Guide specifications; HVAC Guide Specifications
Guide specifications Packaged Heating/Cooling UnitsConstant Volume Application HVAC Guide Specifications Size Range: 1 1 ⁄ 2 to 5 Tons, Nominal Cooling 40,000 to 140,000 Btuh,Nominal Input Heating Carrier Model Number: 48SS Part 1 — General 1.01 SYSTEM DESCRIPTION Outdoor rooftop mounted, gas heatin...