Field Installed Accessories 3; General Data 2 To 5 Tons; General Data 8 To 15 Tons - York D3HH 024 Technical Manual

036-21187-001 REV A (0301)
CORROSION RESISTANT COATINGS - Condenser and/or
evaporator coils shall have a 2 to 3 mil coating of Heresite P-
413 protective coating applied in a multiple dip and bake pro-
cess.
STAINLESS STEEL DRAIN PAN - Evaporator drain pan
shall be fabricated of 304 stainless steel material. The 3/4 in.
NPT drain connection fitting is also of 304 stainless steel.
HOT GAS BYPASS - Adjustable hot gas regulator and all
necessary piping shall be installed on lead compressor cir-
cuit. Bypass capacity shall be minimum 50% of compressor
capacity. The bypass valve opens at a preset suction pres-
sure to prevent coil freeze-up at light evaporator load, or low
TABLE 1: GENERAL DATA 2 TO 5 TONS
MODEL DHH:
NOMINAL COOLING (TONS)
*
CALCULATED SEER
GROSS COOLING CAPACITY (BTUH)
DESIGN CFM
SYSTEM POWER (KW)
COMPRESSOR-TYPE
NUMBER USED
EVAPORATOR COIL-TYPE
FACE AREA (SQ FT)
ROWS/FPI
REFRIGERANT CONTROL
CONDENSER COIL-TYPE
FACE AREA (SQ FT)
ROWS/FPI
EVAPORATOR FAN-TYPE
NUMBER USED
DIAMETER x WIDTH (IN)
DRIVE
MOTOR HP (STANDARD/OVERSIZED)
CONDENSER FAN-TYPE
NUMBER USED
DIAMETER x WIDTH (IN)
DRIVE
MOTOR HP (STANDARD)
NUMBER USED-SIZE (IN)
CONDENSATE CONNECTION
WEIGHT
OPERATING
SHIPPING
*. Per ARI Standards 210
4
airflow conditions. The use of the field installed Low Ambient
Control is strongly recommended when hot gas bypass is
installed.
FIELD INSTALLED ACCESSORIES
LOW AMBIENT CONTROL - Head pressure control damper
kit will allow unit operation down to 0°F ambient. Damper
assembly fits over condenser air intake. The kit includes
damper actuator, and low pressure switch bypass timer(s).
024 036
2 3
COOLING PERFORMANCE
10.5 10.5
26600 37200
800 1200
2.52 3.85
SCROLL SCROLL
1 1
"COPPER TUBES, ALUMINUM FINS"
2.44 3.00
3/12 3/14
TX VALVE TX VALVE
"COPPER TUBES, ALUMINUM FINS"
3.75 3.75
4/16 4/16
1 1
9x7 10x8
0.25/0.5 0.5/0.75
1 1
10x10 10x10
0.5 1
1-18x24x2 1-18x25x2
490 520
535 565
048
4
10.6
50300
1600
4.88
SCROLL SCROLL
1
4.17
3/14
TX VALVE TX VALVE
6.67
4/14
1
12x9
0.5/0.75
1
12x11
1
FILTERS
2-16x20x2 2-20x20x2
765
820
060
5
10.4
62700
2000
6.24
1
5.14
3/14
6.67
4/14
1
12x9
0.75/1
1
12x11
2
785
840
Unitary Products Group