International comfort products R80ESL Installation, Start-Up, Operating And Service And Maintenance Instructions page 17

R80ESN/R80ESL(Series A): Installation, Start–Up, Operating and Service and Maintenance Instructions
THREE-WIRE
HEATING-ONLY
BLOWER DOOR SWITCH
BLK BLK
WHT WHT
GND
AUXILIARY
115-V FIELD-
J-BOX
SUPPLIED
DISCONNECT
Fig. 24 – Heating and Cooling Application Wiring Diagram with 1-Stage Thermostat
\
WARNING
!
FIRE HAZARD
Failure to follow this warning could result in personal injury, death, or
property damage.
Do not connect aluminum wire between disconnect switch and furnace.
Use only copper wire (see Fig.
Volts-
Unit Size
Hertz- Phase
0451412 115-60-1
0451712 115-60-1
0701412 115-60-1
0701712 115-60-1
0701716 115-60-1
0702116 115-60-1
0901714 115-60-1
0902116 115-60-1
0902120 115-60-1
0902420 115-60-1
1102120 115-60-1
1102420 115-60-1
1352420 115-60-1
* Permissible limits of the voltage range at which the unit operates satisfactorily.
# Unit ampacity = 125 percent of largest operating component's full load amps plus 100 percent of all other potential operating components' (EAC, humidifier, etc.) full load amps.
†
Time-delay type is recommended.
‡
Length shown is as measured one way along wire path between unit and service panel for maximum 2 percent voltage drop.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
NOTE 2
W C
FIVE WIRE
W
C
R
O
N
T
GND
R G
O
COM
L
Y
24-V
TERMINAL
BLOCK
NOTES:
FURNACE
25).
Table 7 – Electrical Data
Operating Voltage* Range
Maximum Minimum
127 104
127 104
127 104
127 104
127 104
127 104
127 104
127 104
127 104
127 104
127 104
127 104
127 104
THERMOSTAT
R G Y
TERMINALS
NOTE 1
CONDENSING
UNIT
TWO
WIRE
1. Connect Y-terminal in furnace as shown for proper blower operation.
2. Some thermostats require a "C" terminal connection as shown.
3. If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
ELECTRIC
DISCONNECT
SWITCH
Fig. 25 – Field-Supplied External Electrical Box on Furnace Casing
Unit Minimum Wire
Ampacity# Size AWG
7.8 14
10.3 14
7.8 14
7.8 14
14.3 14
13.3 14
11 14
11 14
16.9 12
13.5 14
17.4 12
14 14
14 14
17
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
FIELD-SUPPLIED
DISCONNECT
208/230- OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
GND
COPPER
WIRE ONLY
ALUMINUM
WIRE
Maximum Wire
‡
Length
feet
47 14.3
36
47 14.3
47 14.3
25 7.6
27 8.2
33 10.1
33 10.1
34 10.4
27 8.2
33 10.1
26 7.9
26 7.9
A190079
A190279
Maximum
Fuse
or CKT
m
†
BKR Amps
15
11 15
15
15
15
15
15
15
20
15
20
15
15