Product Information


         Quality & Comfort


Fraser-Johnston® Heating & Air Conditioning home comfort systems are designed and built to provide maximum quality, comfort, and efficiency to your home. Whether you're looking for a furnace, an air conditioner or a complete heating and cooling solution , your Fraser-Johnston® Dealer can evaluate factors such as your home's size, age, number of rooms, regional climate, and utility costs to select the best system for your home.



Get Certified



Fraser-Johnston® encourages professionalism through North American Technician Excellence, Inc.(NATE). NATE is the leading certification program for technicians in the heating, ventilation, air-conditioning and refrigeration (HVAC/R) industry, and is the only test supported by the entire industry.

Energy Star

Earning the ENERGY STAR® means products meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the Department of Energy. When compared to standard models, ENERGY STAR® products are between 15 and 25% more efficient. This model meets ENERGY STAR® requirements for energy efficiency.

ISO 9001 Certified Company


Selected Product Details and Documentation


Fraser-Johnston Heating and Air Conditioning


Product Details
MODELZS 15-25 ReliaPlus 100
PRODUCTZS -15 to -25 R-410A Packaged Unit
CAPACITY15-25 Tons
EFFICIENCY<P>9.8-11.0 EER</P> <P>10.5-12.4 IEER w/ CV</P> <P>11.4-13.2 IEER w/ Intelli<EM>Speed</EM></P> <P>10.5-12.4 IEER w/ VAV<BR></P>
Compressor5 yr
Heat Exchanger10 yr
Parts1 yr

Fraser-Johnston® ZS Series units are convertible single package high efficiency rooftops. All models have independent refrigeration circuits for efficient part load operation.

  • Although the units are primarily designed for curb mounting on a roof, they can also be slab-mounted at ground level or set on steel beams above a finished roof.
  • All units are self-contained and assembled on rigid full perimeter base rails allowing for overhead rigging. Every unit is completely charged, wired, piped, and tested at the factory to provide a quick and easy field installation.
  • All models (including those with an economizer) are convertible between bottom and horizontal duct connections.
  • All units are available in the following configurations: cooling only, cooling with electric heat, and cooling with gas heat. Electric heaters are available as field installed options only.
  • Simplicity Control Board
  • Environmentally friendly R-410A refrigerant
  • Two independent scroll compressors with individual refrigerant circuits 
  • Provides 2 stages of cooling for efficienct and comfortable cooling
  • Installation time and costs are reduced by easy power and control wiring.
  • All units are factory-wired, piped, charged, and tested prior to shipment.
  • Factory-installed options such as stainless steel heat exchanger, supply and return air smoke detectors, disconnect switch, powered or non-powered GFI convenience outlet, single enthalpy economizer, power exhaust, high static drive blower motor, phase monitor, coil guard, dirty filter switch, hinged filter door, and tooless access panels further reduce installation costs.
  • BAS factory mounted controls include Novar, Honeywell, Johnson, and CPC. 
  • Gas and electric utility knockouts are provided on unit side and bottom for easy connections.
  • Convertible airflow design means no panel cutting is required.
  • Wide range of indoor airflows using belt-drive blowers.
  • Durable finish, made of powder-painted, galvanized steel to meet 1000-hour salt-spray test demands.
  • Full-perimeter base rails are permanently attached to provide a solid unit foundation and fork lift access.
  • Compressor is internally protected against high pressure and temperature.
  • Grooved copper tubes and enhanced aluminum- fin construction improve heat transfer.
  • Heat exchangers are corrosion-resistant, with aluminized steel tubular construction for durability and long service life.
  • Permanently lubricated condenser and evaporator fan motor bearings need no annual maintenance.
  • Complete line of field-installed accessories, propane and high-altitude conversion kits, smoke detectors, CO2 sensors, motorized dampers, single enthalpy economizers, and dual enthalpy sensors are available.

    Consumer Brochure - Fraser-Johnston Epoxy Polymer E-Coat Coil Coatings (High Quality Print Version)PUBL-7096-B-0814A.PDF3336
    Consumer Brochure - Fraser-Johnston Epoxy Polymer E-Coat Coil CoatingsPUBL-7096-B-0814.PDF1003
    Consumer Brochure - Simplicity® Intelli-Comfort II™ and IntlliSpeed™ ControlsPUBL-7198-B-0713.PDF5134
    Guide Specifications - Simplicity VAV Optional 15-25 Ton Packaged Product Comfort Control System407466-UGS-A-0508.pdf212
    Guide Specifications - Simplicity® Intelli-Comfort II, with modbus Data Map902074-UGS-B-1212.PDF269
    3-25 ton Packaged Product Low Leak Economizer, Jade and SSE Controller Update Webinar/PresentationLL_ECON_JADE_SSE_UPDATE_UPG_WEBINAR_07282014_V1.PDF2800
    Submittal Data Sheet - 1FK0401 Side Duct Flange Kit258924-usd-b-1010.pdf43
    Submittal Data Sheet - 1FK0402 Side Duct Flange Kit258464-usd-b-1010.pdf42
    Submittal Data Sheet - 1RC0436 Roof Curb433502-fsd-c-0111.pdf69
    Submittal Data Sheet - 1RC0437 Roof Curb433507-fsd-c-0111.pdf69
    Technical Guide - ZW/ZK/ZS -15 to -25 Series Gas/Electric Single Package Rooftop Air Conditioners5168278-BTG-J-0918.PDF2553
    User Manual - ZS, ZK, ZW (-15, -20 & -25) Single Package Gas/Electric Air Conditioners66442-BUM-E-0718.PDF331
    Technical Guide - ZW/ZK/ZS -15 to -25 Series Gas/Electric Single Package Rooftop Air Conditioners (SE Control)5168278-BTG-H-0917.PDF2568
    CAD Drawing - DWG -ZS, ZF180 R-410AAAQ0046A.dwg 
    CAD Drawing - DXF -ZS, ZF180 R-410AAAQ0046A.dxf 
    CAD Drawing - DWG -ZS, ZF210 to 300 R-410AAAQ0047B.DWG55
    CAD Drawing – DXF -ZS, ZF210 to 300 R-410AAAQ0047B.DXF221
    Unitary Commerical Product Talking Points70010
    (FJ)Florida Building Code (2014) Wind Cert.72020
    FJ Refrigeration-side Fault Detection & Diagnostic72460
    Fraser-Johnston Commercial Guide Specs73650
    Submittal Data Sheet - ZS-15 thru -25 Single Package Gas/Electric Air Conditioners345931-FSD-F-0317.PDF151