4
PHYSICAL DATA
UNIT SIZE 50SZ
024
030
036
042
048
060
NOMINAL CAPACITY (ton)
2
2--1/2
3
3--1/2
4
5
OPERATING WEIGHT (lb.)
(kg)
343
156
366
166
433
196
460
209
480
218
492
223
Compressor
Scroll
Refrigerant (R--22) Quantity (lb.)
7.8
8.2
10.7
10.8
12.1
11.8
REFRIGERANT METERING DEVICE
AccuRater
r
Orifice ID (in.)
0.065
0.070
0.080
0.088
0.088
0.101
Orifice OD (in.)
.032(1).038(1)
.035(1).038(1)
.038 (2)
.046 (2)
.052 (2)
.057 (2)
CONDENSER COIL
Rows
…
Fins/in.
2
…
21
2
…
21
2
…
21
2
…
21
2
…
21
2
…
21
Face Area (sq. ft.)
11.9
13.6
15.5
19.4
19.4
19.4
CONDENSER FAN
Nominal Cfm
2700
2700
2800
2800
3300
3300
Diameter
22
22
22
22
22
22
Motor HP (RPM)
1/8 (825)
1/8 (825)
1/8 (825)
1/8 (825)
1/4 (1100)
1/4 (1100)
EVAPORATOR COIL
Rows
…
Fins/in.
3
…
17
3
…
17
3
…
17
3
…
17
3
…
17
4
…
17
Face Area (sq. ft.)
3.7
3.7
4.7
4.7
5.6
5.6
EVAPORATOR BLOWER
Nominal Airflow (Cfm)
800
1000
1200
1400
1600
1750
Size (in.)
(mm)
10x10
254x254
10x10
254x254
11x10
279x254
11x10
279x254
11x10
279x254
11x10
279x254
Motor HP (RPM)
1/3 (1050)
1/3 (1050)
1/2 (1000)
1/2 (1075)
1/2 (1075)
1 (1040)
Return--Air Filters (in.)* Throwaway
20x24x1
20x24x1
24x36x1
24x36x1
24x36x1
24x36x1
Return--Air Filters (mm)* Throwaway
208x610x25
208x610x25
610x914x25
610x914x25
610x914x25
610x914x25
REGISTERED
ISO 9001:2000
ELECTRIC HEAT PRESSURE DROP TABLES
(w.c)
Small Cabinet: 024--030
STATIC
CFM
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
5 kW
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.02
0.04
0.06
0.07
10 kW
0.00
0.00
0.00
0.00
0.00
0.02
0.04
0.06
0.07
0.09
0.10
0.11
15 kW
0.00
0.00
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
20 kW
0.00
0.00
0.02
0.04
0.06
0.08
0.09
0.11
0.13
0.15
0.17
0.19
Large Cabinet: 036--060
STATIC
CFM
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
2100
2200
2300
2400
2500
5 kW
0.00
0.00
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
10 kW
0.00
0.00
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
15 kW
0.00
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.14
0.15
20 kW
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0.11
0.12
0.13
0.14
0.15
0.16
50SZ