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6
Table 1—Physical Data -- Unit 48DU
UNIT SIZE
024040
024060
030040
030060
036060
036090
042060
042090
NOMINAL CAPACITY (ton)
2
2
2---1/2
2---1/2
3
3
3---1/2
3---1/2
OPERATING WEIGHT (lb.)
396
401
403
408
485
493
507
515
COMPRESSORS
Quantity
2---Stage Scroll
1
REFRIGERANT: PURON (R---410A)
Quantity (lb.)
10.1
10.1
11.3
11.3
9.5
9.5
13.8
13.8
REFRIGERANT METERING DEVICE
TXV
Size
2 Ton
2 Ton
3 Ton
3 Ton
3 Ton
3 Ton
4 Ton
4 Ton
Part Number
EA36YD129
EA36YD129
EA36YD139
EA36YD139
EA36YD139
EA36YD139
EA36YD149
EA36YD149
OUTDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
2...21
13.6
2...21
13.6
2...21
15.3
2...21
15.3
2...21
17.5
2...21
17.5
2...21
19.4
2...21
19.4
OUTDOOR FAN
Nominal Cfm
Diameter (in.)
Motor Hp (Rpm)
2700
22
1/8 (825)
2700
22
1/8 (825)
2700
22
1/8 (825)
2700
22
1/8 (825)
2800
22
1/8 (825)
2800
22
1/8 (825)
2800
22
1/8 (825)
2800
22
1/8 (825)
INDOOR COIL
Rows...Fins/in.
Face Area (sq ft)
3...17
3.7
3...17
3.7
3...17
3.7
3...17
3.7
3...17
4.7
3...17
4.7
3...17
4.7
3...17
4.7
INDOOR FAN
Nominal Airflow (Cfm)
Comfort
Variable based on Comfort Roll back (see User Interface instructions for more information).
Efficiency
700
700
875
875
1050
1050
1225
1225
Max
800
800
1000
1000
1200
1200
1400
1400
Furnace (gas ht.) airflow---Low Stage
475
727
475
727
745
875
745
875
Furnace (gas ht.) airflow---High Stage
844
1120
844
1120
1120
1410
1120
1410
Size (in.)
10x10
10x10
10x10
10x10
11x10
11x10
11x10
11x10
Motor HP (RPM)
1/2
1/2
1/2
1/2
3/4
3/4
3/4
3/4
FURNACE SECTION*
Burner Orifice No. (Qty...Drill Size)
Natural Gas
2...44
3...44
2...44
3...44
3...44
3...38
3...44
3...38
HIGH---PRESSURE SWITCH (psig)
Cut---out
Reset (Auto)
670
±
10
470
±
25
HIGH---PRESSURE SWITCH 2 (psig)
(Compressor Solenoid)
Cut---out
Reset (Auto)
565
±
1
5
455
±
15
LOSS---OF---CHARGE /
LOW---PRESSURE SWITCH
(Liquid Line) (psig)
Cut---out
Reset (auto)
25
±
5
55
±
5
RETURN---AIR FILTERS (in.)†
Throwaway
20x24x1
20x24x1
20x24x1
20x24x1
24x30x1
24x30x1
24x36x1
24x36x1
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48D
U