Carrier 48AJ AK, AW, AY020-060, 48EJ EK, EW, EY024-068 rooftop unit Installation, Start-Up and Service Instructions

Below you will find brief information for rooftop unit 48AJ AK, AW, AY020-060, rooftop unit 48EJ EK, EW, EY024-068. The Carrier rooftop unit 48AJ AK, AW, AY020-060, 48EJ EK, EW, EY024-068 is a single package rooftop unit that provides electric cooling and gas heating. This unit is designed for rooftop installation and is weatherproof. It features a reciprocating compressor, condenser coil, evaporator coil, and return air filters. The unit also includes a furnace section with a high-pressure switch and a low-pressure switch.

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Carrier Rooftop Unit 48AJ AK, AW, AY020-060, 48EJ EK, EW, EY024-068 Installation Instructions | Manualzz

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Key features

  • Electric cooling
  • Single package
  • Gas heating
  • Rooftop installation
  • Weatherproof
  • Reciprocating compressor
  • Condenser coil
  • Evaporator coil
  • Return air filters
  • Furnace section

Frequently asked questions

Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment. Untrained personnel can perform the basic maintenance functions of cleaning coils and filters and replacing filters. All other operations should be performed by trained service personnel.

All panels must be in place when rigging. The unit is not designed for handling by fork truck. Unit may be installed on class A, B, or C roof covering material. When the preferred curb or slab mount cannot be used, support unit with sleepers on perimeter, using unit curb support area. If sleepers cannot be used, support long sides of unit with a minimum number of 4-in. x 4-in. pads spaced as follows: 48AJ,AK,AW,AY020-030 and 48EJ,EK,EW,EY024-034 units require 3 pads on each side; 48AJ,AK,AW,AY035-050 and 48EJ,EK,EW,EY038-048 units require 4 pads on each side; 48AJ,AK,AW,AY060 and 48EJ,EK,EW,EY054-068 units require 6 pads on each side. Unit may sag if supported by corners only.

See Table 2 for operating weight of the unit.
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