11
Table 1 – Physical Data -- Unit 50EZ--A
UNIT SIZE
50EZ---A30
50EZ---A36
50EZ---A42
50EZ---A48
50EZ---A60
NOMINAL CAPACITY (ton)
2.5
3
3.5
4
5
SHIPPING WEIGHT
}
(lb)
(kg)
340
154
343
156
419
190
429
195
454
206
COMPRESSOR QUANTITY
1
TYPE
SCROLL COMPRESSOR
REFRIGERANT
R---410A
Refrigerant (R---410A) Quantity (lb)
Quantity (kg)
10.2
4.6
7.9
3.6
10.0
4.5
9.6
4.4
12.3
5.6
METERING DEVICE ID
TXV
ORIFICE OD (in.)
(mm)
0.035 (2)
.89
0.037 (2)
.94
0.038 (Left OD Coil)
0.040 (Right OD Coil)
.97/1.02
0.046 (2)
1.2
0.052 (2)
1.3
OUTDOOR COIL
Rows... Fins/in.
face area (sq. ft.)
2...21
11.9
2...21
11.9
2...21
13.6
2...21
13.6
2...21
17.5
OUTDOOR FAN
Nominal Airflow (CFM)
Diameter Motor HP (RPM)
2700
24
1/5 (810)
2700
24
1/5 (810)
3100
26
1/5 (810)
3100
26
1/5 (810)
3500
26
1/5 (810)
INDOOR COIL
Rows... Fins/in.
face area (sq. ft.)
3...17
3.7
3...17
3.7
3...17
4.7
3...17
4.7
3...17
5.7
INDOOR BLOWER
Nominal Cooling Airflow (CFM)
Size (in.)
(mm)
Motor (HP)
1000
10x10
254x254
1/2
1200
11x10
279x254
3/4
1400
11x10
279x254
3/4
1600
11x10
279x254
1.0
1800
11x10
279x254
1.0
HIGH---PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
650
15
420
25
LOSS---OF---CHARGE/LOW---PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
Reset (Auto)
20
5
45
10
20
5
45
10
RETURN---AIR FILTERS*
{
throwaway (in.)
(mm)
20x24x1
508x610x25
24x30x1
610x762x25
24x36x1
610x914x25
*Required filter sizes shown are based on the larger of the AHRI (Air Conditioning Heating and Refrigeration Institute) rated cooling airflow or the heating airflow
velocity of 300 ft/minute for throwaway type or 450 ft/minute for high---capacity type. Air filter pressure drop for non---standard filters must not exceed 0.08 IN.
W.C.
{
If using accessory filter rack refer to the filter rack installation instructions for correct filter size and quantity.
}
For 460 volt units, add 14 lb (6.4 kg) to the weight.
Table 2 – Minimum Airflow for Reliable Electric Heater Operation (CFM)
SIZE
50EZ--A30
50EZ--A36
50EZ--A42
50EZ--A48
50EZ--A60
AIRFLOW (CFM)
1025
1250
1400
1710
1800
50E
Z
--
A
Summary of Contents for COMFORT 50EZ-A30
Page 4: ...4 A150587 Fig 2 50EZ A30 36 Unit Dimensions 50EZ A...
Page 5: ...5 A150588 Fig 3 50EZ A42 60 Unit Dimensions 50EZ A...
Page 12: ...12 A11006 Fig 11 Connection Wiring Schematics 208 230 3 60 50EZ A...
Page 13: ...13 A11005 Fig 11 Cont Ladder Wiring Schematics 208 230 3 60 50EZ A...
Page 14: ...14 A10195 Fig 12 Connection Wiring Diagram 460 3 60 50EZ A...
Page 15: ...15 A10195 Fig 12 Cont Ladder Wiring Diagram 460 3 60 50EZ A...
Page 28: ...28 B A150586 Fig 16 Cooling Charging Table Subcooling 50EZ A...