MOTOR
HP
100 FT.
200 FT.
300 FT.
500 FT.
115V
230V
115V
230V
115V
230V
115V
230V
1/4
# 14
# 14
# 10
# 12
# 8
# 10
# 6
# 8
1/3
# 12
# 14
# 10
# 12
# 6
# 10
# 4
# 8
1/2
# 10
# 12
# 8
# 10
# 6
# 8
# 4
# 6
3/4
# 10
# 12
# 6
# 10
# 4
# 8
# 2
# 6
1
# 8
# 10
# 6
# 8
# 4
# 6
# 4
1 ½
# 4
# 10
# 0
# 8
# 6
# 4
2
# 8
# 6
# 4
# 2
3
# 8
# 6
# 4
# 2
5
# 6
# 4
# 2
# 0
Wire Size for 115 & 230 Volt Single Phase Circuits
Distance – Motor to Fuse or Motor to Meter Box
NEW INSTALLATIONS
Electrical Information
An electrical diagram has been provided in this manual and on the face of the furnace.
1.
If any wires as originally supplied are replaced, they should be replaced with type “T”
wires, with a 63°F (35°C) rise wire in similar colors.
2.
Follow all local codes when wiring this furnace.
3.
This furnace must be electrically grounded in accordance with the National Electrical
Code, ANSI / NFPA 70.
Important!
Before beginning any electrical work, be
certain the electrical supply is disconnected.
For the furnace to operate properly, it must
be wired exactly as outlined in this manual.
WIRE SIZE
RATING @ 140°
LINE LOSS WITH 15AMP
LOAD IN 100’ COPPER WIRE
14-3
15 AMP
8.0 VOLTS LOSS
12-3
20 AMP
5.5 VOLTS LOSS
10-3
30 AMP
3.0 VOLTS LOSS
8-3
40 AMP
1.9 VOLTS LOSS
7
Connect to 120 VAC 60 HZ 25A Service
Summary of Contents for ROYAL HEAT 240
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