4Based on three, insulated copper conductors in steel conduit:
60
°
C wire when the total unit ampacity is below 100 amps;
75
°
C wire when the total unit ampacity is 100 amps and above.
5
Based on a 3% voltage drop.
ELECTRICAL DATA
OUTDOOR UNIT
Model
EFB
Compressor
Outdoor Fan Motor
Min.
Circuit
Amps
Max.
Fuse
Size
Min. Wire
Size,
1
AWG
Max. Wire
Length
2
, (ft.)
Power
Supply
RLA
LRA
Power
Factor
Power
Supply
Qty.
FLA
(Each)
090A
25
200/230-3-60
32.1
195.0
0.94 @ 208V
208/230-1-60
1
3.6
43.7
70
8
130 @ 208V
0.84 @ 230V
144 @ 230V
46
460-3-60
16.4
95.0
0.86
460-1-60
1
1.7
22.2
35
12
235
50
308/415-3-50
16.4
86/95
0.86 @ 380V
380/415-1-50
1
1.7
22.2
35
12
194 @ 380V
0.80 @ 415V
212 @ 415V
120A
25
208/230-3-60
34.6
300.0
0.95 @ 208V
208/230-1-60
2
3.0
49.3
80
8
163 @ 208V
0.86 @ 230V
180 @ 230V
46
460-3-60
19.2
146.0
0.86
460-1-60
2
1.8
27.6
45
10
264
50
380/415-3-50
19.2
146.0
0.87 @ 380V
380/415-1-50
2
1.8
27.6
45
10
218 @ 380V
0.80 @ 415V
238 @ 415V
1Based on three, 60
°
C insulated copper conductors in steel conduit.
2
Based on a 3% voltage drop.
INDOOR UNIT
HEAT PUMP WITH ELECTRIC HEAT
1
Nominal
Heater
KW
2
Power
Supply
Heater
FLA
Total Unit
Ampacity
AMPS
Max. Fuse
Size,
3
AMPS
Min Wire
Size,
4
AWG
Max. Wire
Length
5
(Ft.)
F3EH090
10
208-3-60
20.8
32.6
35
8
144
230-3-60
24.1
37.4
40
8
139
460-3-60
12.0
18.4
20
12
226
380-3-50
9.5
16.0
20
12
215
415-3-50
10.4
18.0
20
12
209
16
208-3-60
33.4
48.4
50
6
152
230-3-60
38.5
55.4
60
4
235
460-3-60
19.2
27.4
30
10
242
380-3-50
15.2
23.1
25
10
237
415-3-50
16.6
25.8
30
10
232
26
208-3-60
54.2
74.4
80
3
198
230-3-60
62.5
85.4
90
2
244
460-3-60
31.3
42.5
45
6
382
380-3-50
24.8
35.1
40
8
244
415-3-50
27.0
38.8
40
8
241
36
208-3-60
75.1
100.5
110
2
188
230-3-60
86.6
115.5
125
1
226
460-3-60
43.3
57.5
60
4
452
380-3-50
34.3
48.0
50
6
280
415-3-50
37.4
51.8
60
6
283
F3EH120
10
208-3-60
20.8
35.4
40
8
133
230-3-60
24.1
38.6
40
8
134
460-3-60
12.0
19.3
20
12
216
380-3-50
9.5
16.9
20
12
203
415-3-50
10.4
18.6
20
12
202
16
208-3-60
33.4
51.1
60
6
144
230-3-60
38.5
56.6
60
4
230
460-3-60
19.2
28.3
30
10
235
380-3-50
15.2
24.0
25
10
229
415-3-50
16.6
26.4
30
10
227
26
208-3-60
54.2
77.1
80
3
191
230-3-60
62.5
86.6
90
2
241
460-3-60
31.3
43.4
45
6
374
380-3-50
24.8
36.0
40
8
238
415-3-50
27.0
39.4
40
8
238
36
208-3-60
75.1
103.3
110
2
183
230-3-60
86.6
116.7
125
1
224
460-3-60
43.3
58.4
60
4
445
380-3-50
34.3
47.9
50
6
280
415-3-50
37.4
52.4
60
6
280
1Unit with an electric heat accessory will always be wired for a single power supply.
2
Refer to the HEATING CAPACITY table on page 5 for the actual KW and MBH ratings of
each heater at the different voltages.
3
Inverse time circuit breakers may be used in lieu of dual element, time delay fuses.
HEAT PUMP ONLY
Blower
Motor
HP
Power
Supply
FLA
Max.
Fuse
Size,
1
AMPS
Max.
Wire
Length
2
(Ft.)
F3EH090
1-1/2
208-3-60
5.3
10
207
230-3-60
5.8
10
209
460-3-60
2.7
5
897
380-3-50
3.3
5
606
415-3-50
4.0
5
546
F3EH120
2
208-3-60
7.5
10
146
230-3-60
6.8
10
178
460-3-60
3.4
5
712
380-3-50
4.0
5
500
415-3-50
4.5
5
485
1Dual element, time delay fuses.
2Based on three 60
°
C, 14 AWG, insulated copper conductors
in steel conduit, a 3% voltage drop.
Wire Size
Max. Total
Circuit Length, (Ft.)
#19 Solid
130
#18 Solid
170
#18 Stranded
180
#16 Stranded
270
#14 Stranded
455
#12 Stranded
730
CONTROL WIRE SIZING
To determine the total circuit length, add the
following distances:
1 - Outdoor Unit to Indoor Unit
2 - Indoor Unit to Thermostat
3 - Thermostat to Indoor Unit
4 - Indoor Unit to Outdoor Unit
Total Circuit Length
Unitary Products Group
5005 York Drive, Norman, Oklahoma 73069
Subject to change without notice. Printed in U.S.A.
Copyright
by York International Corporation 1997. All Rights Reserved.
Code: EBY, EGY, EBI
515.41 TG1Y
Supersedes: 515-41-TG1Y(297)
