Electrical Information - Nordyne SC038D-23A Installation Instructions Manual

Furnace Furnace
Model Number Input
*SC/*SL (Btuh)
038D-23A 38,000
054D-24B 54,000
072D-24B 72,000
072D-35C 72,000
090D-35C 90,000
108D-45D 108,000
120D-45D 120,000
** Time-delay fuses or HACR-type circuit breakers are required.
Thermostat Wire Gauge
24
22
20
18
Diagnostic Description
Control Fault (No Power)
L1/Neutral Polarity Fault
1 Hour Lockout
Normal Operation
Pressure Switch Closed Fault
Pressure Switch Open Fault
Open Limit Switch Fault
Diagnostic Description
Low Flame Sensor Signal
Flame Present

ELECTRICAL INFORMATION

Cabinet Nominal Maximum
Width Electrical Operating
(in.) Supply Voltage
¼
14 115-60-1
½
17 115-60-1
½
17 115-60-1
21 115-60-1
21 115-60-1
½
115-60-1
24
½
115-60-1
24
2 - wire
(Heating)
Table 6. Wire Length and Voltage Specifi cations
Table 7. Control Board Fault Conditions
Minimum Maximum
Operating Furnace
Voltage Amperes
127 103
127 103
127 103
127 103
127 103
127 103
127 103
Recommended Thermostat Wire Length
55 ft.
90 ft.
140 ft.
225 ft.
Green LED
Off
Flash
Alternating Flash
On
On
Flash
Flash
Yellow LED
Continuous Flash
On
Minimum
Wire Fuse or Circuit
Gauge Breaker Amps**
6.6 14
10.0 14
10.0 14
9.3 14
15.6 14
15.6 14
15.6 12
4 or 5 wire
(Cooling)
25 ft.
45 ft.
70 ft.
110 ft.
Red LED
Off
Flash
On
Flash
On
Off
Maximum
15
20
20
15
30
30
30
33