User's Manual

1068152-YTG-L-0815
Johnson Controls Unitary Products 179
1. Shall consist of factory- installed, low velocity, disposable 2” or 4” thick fiberglass filters of commercially
available sizes.
2. Units can accept 2” or 4” filters and have a field convertible toolless
3. Filters shall be accessible through an access panel with toolless removal as described in the unit cabinet
section of this specification (23 81 19.13.H).
23 81 19 Self- Contained Air Conditioners
23 81 19.13 Small- Capacity Self- Contained Air Conditioners
23 81 19.13.A. General
1. Outdoor, rooftop mounted, electrically controlled, heating and cooling unit utilizing a fully hermetic scroll
compressor(s) for cooling duty and gas combustion for heating duty.
2. Factory assembled, single- piece heating and cooling rooftop unit. Contained within the unit enclosure shall
be all factory wiring, piping, controls, and special features required prior to field start- up.
3. Unit shall use environmentally sound, R-410A refrigerant.
4. Unit shall be installed in accordance with the manufacturer’s instructions.
5. Unit must be selected and installed in compliance with local, state, and federal codes.
23 81 19.13.B. Quality Assurance
1. Unit meets ASHRAE 90.1 minimum efficiency requirements.
2. ZY units are Energy Star certified.
3. Unit shall be rated in accordance with AHRI Standards 210/240 or 340/360.
4. Unit shall be designed to conform to ASHRAE 15, 2001.
5. Unit shall be UL- tested and certified in accordance with ANSI Z21.47 -2012/CSA 2.3-2012, CSA C22.2 No.
236-11 (UL 1995) 4th edition and CSA C22.2 No. 3 - M 1988.
6. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.
7. Unit casing shall be capable of withstanding 1000- hour salt spray exposure per ASTM B117 (scribed
specimen).
8. Unit shall be designed in accordance with ISO 9001, and shall be manufactured in a facility registered by ISO
9001.
9. Roof curb shall be designed to conform to NRCA Standards.
10. Unit shall be subjected to a completely automated run test on the assembly line. The data for each unit will
be stored at the factory, and must be available upon request.
11. Unit shall be designed in accordance with UL Standard 1995, including tested to withstand rain.
12. Unit shake tested to assurance level 1, ASTM D4169 to ensure shipping reliability.
13. High Efficient Motors listed shall meet section 313 of the Energy Independence and Security Act of 2007
(EISA 2007).
23 81 19.13.C. Delivery, Storage, and Handling
1. Unit shall be stored and handled per manufacturer’s recommendations.
23 81 19.13.E. Project Conditions
1. As specified in the contract.
23 81 19.13.F. Operating Characteristics
1. Unit shall be capable of starting and running at 125°_F (52°_C) ambient outdoor temperature, meeting
maximum load criteria of AHRI Standard 210/240 or 340/360 at ± 10% voltage.
2. Compressor with standard controls shall be capable of operation down to 0°_F (2°_C), ambient outdoor
temperatures. See below for head pressure control package or winter start kit.
3. Unit shall discharge supply air vertically or horizontally as shown on contract drawings.
4. Unit shall be factory configured for vertical supply & return configurations.