Page 2 - TABLE OF CONTENTS
2 Low sound ratings ensure a quiet indoor and outdoor environment with sound ratings as low as 72dBA. (See Page 4.) Easy to service cabinets provide easy single--panel accessibility to serviceable components during maintenance and installation. The basepan with integrated drain pan provides easy gro...
Page 3 - MODEL NUMBER NOMENCLATURE
3 MODEL NUMBER NOMENCLATURE 50XP --- --- --- --- --- 1 Type of Unit 50XP --- Single Packaged Air Conditioner System Nominal Cooling Capacity 024 --- 2.0 Tons 030 --- 2.5 Tons 036 --- 3.0 Tons 042 --- 3.5 Tons 048 --- 4.0 Tons 060 --- 5.0 Tons 024 N/A Electrical Supply 3 --- 208/230 --- 1 --- 60 5 --...
Page 4 - Cooling Capacities and Efficiencies; NOMINAL TONS
4 ARI* CAPACITIES Cooling Capacities and Efficiencies UNIT 50XP NOMINAL TONS STANDARD CFM NET COOLING CAPACITIES (Btuh) EER** SEER† 024 2 770 24,000 11.0 13.2 030 2-- 1/2 960 29,000 11.0 13.0 036 3 1100 36,000 11.2 13.5 042 3-- 1/2 1450 41,000 11.2 13.0 048 4 1450 45,000 11.0 13.0 060 5 1710 57,000 ...
Page 5 - PHYSICAL DATA
5 PHYSICAL DATA Physical Data--Unit 50XP UNIT SIZE 024 030 036 042 048 060 NOMINAL CAPACITY (ton) 2 2 --- 1/2 3 3 --- 1/2 4 5 SHIPPING WEIGHT (lb) SHIPPING WEIGHT (kg) 356 161 360 163 378 171 436 198 470 213 515 234 COMPRESSORS Quantity Scroll 1 REFRIGERANT (R --- 410A) Quantity (lb.) Quantity (kg) ...
Page 6 - OPTIONS AND ACCESSORIES; Electric Heaters; CATALOG; Minimum Airflow for Reliable Electric Heater Operation (CFM)
6 OPTIONS AND ACCESSORIES Factory--installed options Coil options include Tin--Plated* indoor hairpins, copper/copper and vinyl--coated construction for refrigerant coils. Units are shipped standard with copper tube/aluminum fin construction. Seemodel number nomenclature for coil options.*Tin--Plate...
Page 7 - ECONOMIZER
7 ECONOMIZER COIL FILTE R SIDE VIEW CAULK BOTTOM CORNER OF ECONOMIZER ON EACH SIDE BASE COIL FLANGE ON BASE DETAIL ECONOMIZER FI LT ER FILTER ACCESS DOOR (HORIZONTAL APPLICATION ONLY. ) DO NOT REMOVE FROM DOWNFLOW DISCHARGE. REPLACEMENT PANEL HOLE FOR ECONOMIZER WIRING HARDNESS DOOR LATCH ANGLE HING...
Page 10 - Roof Curb for Small Cabinet
10 ACCESSORY ROOF CURB -- 50XP024--060 Gask et around outer edge Insulateddeck pan Gask et around duct S/A R/A HVAC unit base *Gask eting outer flange Flashing field supplied Roofing material field supplied Cant str ip field supplied *Provided with roofcurb Roof Duct wo rk field supplied Insulation ...
Page 11 - 0XP UNIT SUGGESTED RIGGING; Determine cooling and heating requirements at
11 50XP UNIT SUGGESTED RIGGING 1 2 3 4 A07216 DETAIL A (914 mm) A08005 Unit* SMALL CABINET LARGE CABINET 024 024 030 030 036 036 Unit* 042 042 048 048 060 060 lb kg lb kg lb kg lb kg lb kg lb kg Rigging Weight 345 156 349 158 367 166 Rigging Weight 425 193 459 208 504 229 NOTE: See dimensional drawi...
Page 16 - Multiplication Factors
16 PERFORMANCE DATA (CONT) Economizer 1--in. Filter Pressure Drop (IN. W.C.) UNIT50XP PRESSURE DROP 024--036 0.20 042--060 0.25 Multiplication Factors HEATER kW RATING VOLTAGE DISTRIBUTION V/3/60 MULTIPLICATION FACTOR 240 200 208 230 240 0.69 0.75 0.92 1.00 Filter Pressure Drop Table (IN. W.C.) FILT...
Page 17 - TYPICAL PIPING AND WIRING
17 TYPICAL PIPING AND WIRING ROOF RETURN-AIR FLEXIBLE DUCT CEILING CONCENTRIC DIFFUSER BOX (FIELD-SUPPLIED) SUPPLY-AIR FLEXIBLE DUCT ROOF-MOUNTING CURB C00023 INDOOR THERMOSTAT DISCONNECT PER NEC* FROM POWER SOURCE RETURN AIR TOP COVER *NEC - NATIONAL ELECTRICAL CODE C00063 50X P
Page 18 - APPLICATION DATA
18 APPLICATION DATA Condensate trap — A 2--in. (51 mm) condensate trap must be field supplied. 1” (25 mm) MIN. 2” (51 mm) MIN. TRAPOUTLET A08001 Ductwork — Secure downflow discharge ductwork to roof curb. For horizontal discharge applications, attach ductwork to unit withflanges. To convert a unit t...
Page 19 - ELECTRICAL DATA
19 ELECTRICAL DATA UNIT NOMINAL V --- PH --- HZ VOLTAGE RANGE COMPRESSOR OFM IFM ELECTRIC HEAT POWER SUPPLY NOMINAL KW FLA MCA MAX FUSE or CKT BKR MOCP MIN MAX RLA LRA FLA FLA 50XP-024 208/230-1-60 187 253 13.5 61.0 0.8 4.3 -/- -/- 22.0/22.0 30/30 --- 3.8/5 18.1/20.8 27.9/31.4 30/35 --- 5.4/7.2 26/3...
Page 22 - CONTROLS; Operating sequence; Cooling
22 CONTROLS Operating sequence Cooling — When the system thermostat calls for cooling, 24 V is supplied to the “Y” and “G” terminals of the thermostat. This completes the circuit to the contactor coil (C) and indoor fanboard. The normally open contacts of C close and complete the circuit to compress...
Page 23 - GUIDE SPECIFICATIONS; Packaged Electric Cooling Unit
23 GUIDE SPECIFICATIONS Packaged Electric Cooling Unit Constant Volume ApplicationHVAC Guide Specifications Size Range: 2 to 5 Tons, Nominal Cooling Model Number: 50XP Part 1 — General SYSTEM DESCRIPTION Outdoor rooftop mounted or ground mounted, electric coolingunit utilizing a hermetic compressor ...