International comfort products N80ESU Installation Instructions Manual page 15

shutoff valve before and during supply pipe pressure test. After
all connections have been made, purge lines and check for
leakage at furnace prior to operating furnace.
The gas supply pressure shall be within the maximum and
minimum inlet supply pressures marked on the rating plate with
the furnace burners ON and OFF.
GAS
SUPPLY
MANUAL
SHUTOFF
VALVE
(REQUIRED)
SEDIMENT
TRAP
UNION
Fig. 18 - - Typical Gas Pipe Arrangement
Fig. 19 - - Upflow Return Air Configurations and Restrictions
Unit Size
0401712
0601716
0802120
1002120
* 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.
441 01 1501 04
A02035
A190364
Table 7 – Electrical Data
Operating Voltage*
Volts-
Range
Hertz-
Phase
Maximum Minimum
115-60-1 127
115-60-1 127
115-60-1 127
115-60-1 127
Specifications are subject to change without notice.
Fig. 20 - - Downflow Return Air Configurations and Restric-
Fig. 21 - - Horizontal Return Air Configurations and Restric-
Maximum Unit
Unit Amps Ampacity#
104 10.6 13.9
104 10.6 13.9
104 13.3 17.3
104 13.3 17.3
tions
tions
Maximum Maximum
Minimum
Wire Fuse or
Wire Size
Length‡ ft CKT BKR†
AWG
(m) Amps
14 26 (8)
14 26 (8)
12 33 (10)
12 33 (10)
A190365
A190366
15
15
20
20
15