York AFFINITY DNZ024, Installation Manual

Page: 4 / 24

66433-YIM-B-1004
4 Unitary Products Group
NOMENCLATURE
INSTALLATION
LIMITATIONS
These units must be installed in accordance with the follow-
ing 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 CSA B149.1 Installa-
tion Code.
3. Local gas utility requirements.
4. Local plumbing and waste water codes and other appli-
cable local codes.
Refer to Table 1 for unit application data and to Tables 3 and
4 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
loss/heat gain calculations made in accordance with industry
recognized procedures identified by the Air Conditioning
Contractors of America.
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TABLE 1: UNIT APPLICATION DATA
Voltage Variation
Min. / Max.
1
1.
Rated in accordance with ARI Standard 110, utilization
range “A”.
208/230V
2
2.
“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
187 / 253
460V 414 / 504
Wet Bulb Temperature (°F) of Air on
Evaporator Coil, Min. / Max.
57 / 72
Dry Bulb Temperature (°F) of Air on
Condenser Coil, Min.
3
/ Max.
3.
A low ambient accessory is available for operation
down to 0°F.
45 / 120