Table 3 - electrical data, Fig. 3 - typical field wiring – York E1FB240 User Manual
Page 5
Unitary Products Group
5
035-16192-001-A-1001
Y1
W1
Y2
C
R
X
O
HC
O
HR
G
W1
Y2
Y1
R
C
X
R
C
Y1
Y2
O
W1
X
G
6*
6*
TERMINALS ON:
- Supply Air Blower Motor
Contactor 10M
OR
- Terminal Block Electric
Heat Control Box
GROUND SCREW
"Heat Pump only" Units
GROUND LUG
Units with Electric
Heat Accessory
3-PHASE LINE VOLTAGE POWER SUPPLY
Refer to electrical data to size the power
wiring, disconnect switch and overcurrent
protection*.
USE COPPER CONDUCTORS ONLY
TERMINALS ON
COMPRESSOR
CONTACTORS 1M &3M
GROUND
LUG
INDOOR UNIT
OUTDOOR UNIT
TERMINALS ON HEAT
PUMP THERMOSTAT
1
1
Control wiring (24-volt)
refer to electrical data
to determine the proper
wire size.
RLA LRA RLA LRA
Qty FLA (Each) Qty FLA (Each)
80 @ 208 V
88 @ 230 V
126 @ 208 V
140 @ 230 V
8 AWG
142
6 AWG
224
104 @ 208 V
115 @ 230 V
165 @ 208 V
182 @ 230 V
8 AWG
111
6 AWG
176
Model Number
Compressors
Outdoor Fan Motors
Minimum
Circuit
Ampacity
System 1
System 2
System 1
System 2
Power Supply
Power Supply
Maximum
Fuse
Size
Minimum
Wire Size
AWG
Maximum
Wire Length
feet
!
Minimum
Disconnect
Amps
E1FB180A25 208/230-3-60 32.1 195.0 32.1 195.0 208/230-1-60 1
4.7
1
4.7
81.6
90
4 AWG
100
2 AWG
E1FB180A46
460-3-60
16.4 95.0 16.4 95.0
460-1-60
1
2.5
1
2.5
41.9
45
60
E1FB240A25 208/230-3-60 42.0 239.0 42.0 239.0 208/230-1-60 1
4.7
1
4.7
103.9
110
2 AWG
150
0 AWG
E1FB240A46
460-3-60
19.2 125.0 19.2 125.0
460-1-60
1
50
60
2.5
1
2.5
48.2
TABLE 3 - ELECTRICAL DATA
1
Maximum fuse or maximum circuit breaker (HACR type per NEC).
2
Based on three 75°C insulated copper conductors in conduit and ambient of 30°C.
3
Based on 5% voltage drop, since unit controls are powered off the unit supply. Two minute time delay between system 1 and system 2.
WIRE IN ACCORDANCE WITH LOCAL
AND NATIONAL ELECTRICAL CODES
FIG. 3 - TYPICAL FIELD WIRING
1
Only required when an electric heat
accessory is used.
*All outdoor units and all heat pump only indoor units
require dual element, time delay fuses. Circuit
breakers can be used in lieu of fuses for indoor units
with an electric heat accessory.