Installation

035-18265-001-A-0202

Not suitable for use with conventional venting systems.

gle iron frame providing adequate support under the compressor/condenser section.

LIMITATIONS

These units must be installed in accordance with the following national and local safety codes.

1.National Electrical Code ANSI/NFPS No. 70 or Canadian Electrical Code Part 1, C22.1 (latest editions).

2.National Fuel Gas Code Z223.1 or CAN/CGA B149.1 or .2 Installation Code.

3.Local gas utility requirements.

4.Local plumbing and waste water codes and other applica- ble local codes.

Refer to Table 1 for unit application data and to Table 2 for gas heat application data.

If components are to be added to a unit to meet local codes, they are to be installed at the dealer's and/or the customer's expense.

Size of unit for proposed installation should be based on heat

TABLE 1 - UNIT APPLICATION DATA

Voltage Variation		208/230V3	187 / 2533
		460V	414	/ 504
Min. / Max.1
		575V	518	/ 630

Wet Bulb Temperature (° F) of Air on			57	/ 72
Evaporator Coil,	Min. / Max.

Dry Bulb Temperature (° F) of Air on			45 / 120
Condenser Coil,	Min.2 / Max.

1 Rated in accordance with ARI Standard 110, utilization"A".

2A low ambient accessory is available for operation down to 0° F

3“T1" transformer primary tap must be moved from the 230 volt connection to the 208 volt connection for low voltage applications of 208 volt and below.

loss/heat gain calculations made in accordance with industry recognized procedures identified by the Air Conditioning Con- tractors of America.

LOCATION

Use the following guidelines to select a suitable location for these units.

1.Unit is designed for outdoor installation only.

2.Condenser must have an unlimited supply of air. Where a choice of location is possible, position unit on either north or east side of building.

WARNING: Excessive exposure of this furnace to contami- nated combustion air may result equipment dam- age or personal injury. Typical contaminates include: permanent wave solutions, chlorinated waxes and cleaners, chlorine based swimming pool chemicals, water softening chemicals, carbon tetrachloride, Halogen type refrigerants, cleaning solvents (e.g. perchloroethylene), printing inks, paint removers, varnishes, hydrochloric acid, ce- ments and glues, antistatic fabric softeners for clothes dryers, masonry acid washing materials.

3.For ground level installation, a level pad or slab should be used. The thickness and size of the pad or slab used should meet local codes and unit weight. Do not tie the slab to the building foundation.

4.For roof top installation, be sure the structure will support the weight of the unit plus any field installed components. Unit must be installed on a level roof curb or appropriate an-

5. Maintain level tolerance of unit to 1/8" maximum.

RIGGING OR HANDLING

Care must be exercised when moving the unit. Do not remove any packaging until the unit is near the place of installation. Rig unit with slings placed under the unit. Spreader bars of suffi- cient length should be used across the top of the unit.

BEFORE LIFTING A UNIT, MAKE SURE THAT ITS WEIGHT IS DISTRIBUTED EQUALLY ON THE CABLES SO THAT IT WILL LIFT EVENLY.

Units may also be moved or lifted with a fork-lift. Slotted open- ings in the skid are provided for this purpose. Forks must pass completely through the base.

Refer to Table 7 for unit weights and to Figure 4 for approximate center of gravity.

CLEARANCES

All units require certain clearances for proper operation and service. Refer to Figure 5 for the clearances required for com- bustion, construction, servicing and proper unit operation.

WARNING: Do not permit overhanging structures or shrubs to obstruct the condenser air discharge, combustion air inlet or vent outlet.

DUCT WORK

These units are adaptable to downflow use as well as rear sup- ply and return air duct openings. To convert to downflow, use the following steps:

1.Remove the duct covers found in the bottom return and supply air duct openings. There are four (4) screws secur- ing each duct cover (save these screws to use later).

2.Install the duct covers, removed in step one, to the rear supply and return air duct openings. Secure with the four

(4) screws used in step one.

3.Seal the duct covers with silicone caulk.

Duct work should be designed and sized according to the methods of the Air Conditioning Contractors of America (ACCA), as set forth in their Manual D.

A closed return duct system shall be used. This shall not pre- clude use of economizers or ventilation air intake. Flexible joints may be used in the supply and return duct work to mini- mize the transmission of noise.

CAUTION: When fastening duct work to the side duct flanges on the unit, insert the screws through the duct flanges only. DO NOT insert the screws through the casing. Outdoor duct work must be insulated and waterproofed.

NOTE: Be sure to note supply and return openings.

Unitary Products Group

D1NA018, D2NA060 specifications

The York D1NA018 and D2NA060 are advanced rooftop air conditioning units that combine efficiency, reliability, and innovative technologies to provide optimal climate control for commercial buildings. These units are designed to deliver robust performance while ensuring ease of installation and maintenance.

The D1NA018 is a compact model with a nominal cooling capacity of 1.5 tons, making it an ideal choice for smaller commercial spaces or applications where space is limited. In contrast, the D2NA060 offers a higher cooling capacity of 5 tons, catering to larger areas or environments that require more substantial cooling solutions. Both units are built with high-quality materials that enhance their durability and extend their operational life.

One of the key features of both models is their energy efficiency. They utilize advanced scroll compressor technology that ensures a quieter operation while optimizing energy consumption. The units are designed to achieve high Seasonal Energy Efficiency Ratios (SEER), which makes them compliant with modern energy regulations. This not only reduces operational costs but also minimizes the environmental impact.

Additionally, the York D1NA018 and D2NA060 come equipped with enhanced airflow technologies. They feature multi-speed blowers that can adapt to varying load conditions, ensuring consistent temperature control throughout the indoor space. The airflow systems are designed to provide even distribution, enhancing comfort for occupants.

These units are also equipped with user-friendly control options. The integrated digital controls allow for precise temperature management and programming, further increasing efficiency. Building managers can easily monitor and control the units, leading to improved operational convenience.

Another standout characteristic is their ease of installation. The compact design and lightweight construction of the D1NA018 simplify rooftop installations. The D2NA060, while larger, maintains a straightforward installation process, ensuring minimal disruption to building operations.

In terms of maintenance, the York D1NA018 and D2NA060 incorporate features that facilitate routine service and upkeep. Access panels are strategically placed, allowing technicians to reach components quickly and perform necessary maintenance checks with ease.

Overall, the York D1NA018 and D2NA060 represent a blend of efficiency, innovation, and practicality, making them suitable choices for a wide range of commercial applications. Their advanced technologies provide reliable climate control while reducing energy consumption, making them a preferred option for businesses seeking sustainable solutions.