York DY 048, Technical Manual

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343615-YTG-B-0308
8
Johnson Controls Unitary Products
• ENTHALPY ACCESSORY CONTROL KIT - This kit
contains the required components to convert a single
enthalpy economizer to dual enthalpy.
• BURGLAR BARS - Mount in the supply and return
openings to prevent entry into the duct work.
• FLUE EXHAUST EXTENSION KIT - In locations with
wind or weather conditions which may interfere with
proper exhausting of furnace combustion products, this
kit can be installed to prevent the flue exhaust from
entering nearby fresh air intakes.
• CO
2
SENSOR - Senses CO
2
levels and automatically
overrides the economizer when levels rise above the
present limits.
• COIL GUARD - Customers can purchase a coil guard kit
to protect the condenser coil from damage. This is not a
hail guard kit.
• HAIL GUARD - Hail Guard kit is available to prevent unit
from hail damage. This is a sloped hood that fits above
the coil.
• GAS PIPING KIT - This kit supplies all necessary fittings
and shut off valve.
TABLE 1: CAPACITY RATINGS - (ARI 210/240)
1
1. 80/67°F Indoor and 95°F outdoor.
MODEL MBH
EER
2
2. EER = Energy Efficiency Ratio at full load - the cooling
capacity in Btu’s per hour (Btuh) divided by the power
input in watts, expressed in Btuh per watt (Btuh/watt).
SEER
3
3. SEER = Seasonal Energy Efficiency Ratio.
CFM
SOUND
RATING
(Db)
4
4. Rated in accordance with ARI 270 Standard.
DY036
35.6 12 14 1200 84
DY048
46.0 12 14 1600 83
DY060
59.0 11.6 14 1750 81
TABLE 2: GAS HEAT RATINGS
1
1. All units are single-stage heating.
MODEL
MBH
INPUT
MBH
OUTPUT
AFUE
(%)
TEMP
RISE ºF
DY036N04
DY036N08
50
100
40
80 80.9
80.5 15 - 45
45 - 75
DY048N06
DY048N10
75
125
60
100
80.9
80.3 25 - 70
45 - 75
DY060N08
DY060N10
100
125 80
100
80.5
80.3 25 - 55
30 - 75
TABLE 3: 2 STAGE GAS HEAT RATINGS
MODEL
1
1. Models are 3Ø only.
MBH INPUT MBH OUTPUT STEADY STATE EFFICIENCY RISE
MINIMUM HEATING
AIRFLOW (CFM)
1
ST
STAGE 2
ND
STAGE 1
ST
STAGE 2
ND
STAGE 1
ST
STAGE 2
ND
STAGE MIN. MAX.
DY036D06 45 75 35.8 60.8 79.4 81.1 35 70 790
DY036D10 69 115 55.2 92 80.0 80.2 55 90 950
DY048D06
45 75 35.7 60.8 79.4 81.1 25 70 790
DY048D10 75 125 60.4 100.6 80.5 80.5 45 75 1230
DY060D06
45 75 35.8 60.8 79.4 81.1 20 55 1010
DY060D10 75 125 60.4 100.6 80.5 80.5 35 75 1230