Carrier 48EZ(N)-A Electric Heater User Manual


 
10
Table 1 – Physical Data -- Unit 48EZ--A
UNIT SIZE 48EZ ---A 24040 24060 30040 30060 36060 36090 42060 42090
NOMINAL CAPACITY ---ton 2 2 2---1/2 2---1/2 3 3 3---1/2 3---1/2
SHIPPING WEIGHT ---lb.
(kg)
359
163
359
163
373
169
373
169
379
172
379
172
461
209
461
209
COMPRESSORS Scroll
Quantity 1
REFRIGERANT (R---410A)
Quantity ---lb
(kg)
8.3
3.8
8.3
3.8
10.2
4.6
10.2
4.6
7.9
3.6
7.9
3.6
10.0
4.5
10.0
4.5
REFRIGERANT METERING
DEVICE
Indoor---TXV, Outdoor ---Accurater
OUTDOOR ORIFICE
in. (qty)
(mm)
0.032 (2)
.81
0.035 (2)
.89
0.037 (2)
.94
0.038 (Left)
0.040(Right)
.97/1.02
OUTDOOR COIL
Rows...Fins/in.
Face Area --- sq ft
2...21
11.9
2...21
11.9
2...21
11.9
2...21
11.9
2...21
11.9
2...21
11.9
2...21
13.6
2...21
13.6
OUTDOOR FAN
Nominal Cfm
Diameter---in.
(mm)
Motor Hp (Rpm)
2000
24
610
1/5 (810)
2000
24
610
1/5 (810)
2700
24
610
1/5 (810)
2700
24
610
1/5 (810)
2700
24
610
1/5 (810)
2700
24
610
1/5 (810)
3100
26
660
1/5 (810)
3100
26
660
1/5 (810)
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
3.7
3...17
3.7
3...17
4.7
3...17
4.7
INDOOR BLOWER
Nominal Cooling Airflow---(CFM)
Size --- in.
(mm)
Motor --- hp
800
10x10
254x254
1/2
800
10x10
254x254
1/2
1000
10x10
254x254
1/2
1000
10x10
254x254
1/2
1200
11x10
279x254
3/4
1200
11x10
279x254
3/4
1400
11x10
279x254
3/4
1400
11x10
279x254
3/4
FURNACE SECTION*
Burner Orifice
Natural Gas Qty ...Drill Size (Factory Installed)
Propane GasQty...Drill Size
2...44
2...55
2...38
2...53
2...44
2...55
2...38
2...53
2...38
2...53
3...38
3...53
2...38
2...53
3...38
3...53
HIGH---PRESSURE SWITCH
(psig) Cut --- out
Reset (Auto)
650 +/---15
420 +/---25
LOSS--- OF --- CHARGE /
LOW---PRESSURE SWITCH
(Liquid Line) (psig)
Cut --- out
Reset (auto)
20 +/ ---5
45 +/---10
RETURN ---AIR FILTERS† }
Throwaway (in.)
(mm)
20x20x1
508x508x25
20x24x1
508x610x25
24x30x1
610x762x25
*Based ona ltitude of 0to 2000 ft( 0---610 m).
{Required filtersizesshown are basedon the larger of the AHRI(Air Conditioning, Heating and Refrigeration Institute) ratedcoolingairflowor theheating airflow
velocity of 300 ft/minute for high---capacity type. Air filter pressure drop for non---standard filters must not exceed 0.08 IN. W.C.
} If usingaccessory filter rack refer to filter rack installation instructionsfor correctfiltersize andquantity.
48EZ --A