Installation Sheet
81098 Page 8 of 21 REV L 10/18 NJL
Electrical Installation
Note: All electrical wiring must be done per National/Local Electrical Codes.
** ThermaSol requires that a licensed electrician perform all electrical work. **
Note: USE COPPER WIRE ONLY.
Wire sizes recommended by NEC (2002 Version). Minimum wire temperature rating 90C. Type THHN.
Generator Model Phase Wire
Gau
g
e
Breaker
Size
Factory Sized
Cu Ft MAX
AMP draw @
240-VAC
KW
Da
y
Spa 150 1 8 50
A
150 46
A
10KW
Da
y
Spa 250 1 6 60
A
250 56
A
12KW
Da
y
Spa 400 1 8/8 40/40
A
400 37/37
A
16KW
Da
y
Spa 650 1 8/8 50/50
A
650 46/46
A
20KW
Electrical Questions? (800) 776-0711 for Technical Support
Warning: Each generator should be wired to their own separate breaker.
1. Turn off all electricity to the working area at the main breaker panel!
2. Connect 208/240VAC electrical lines to wires labeled 1 & 2 (for DS-150, DS-250) 1, 2, 3, 4, (for
DS-400, DS-650) located in the electrical box on generator, (refer to Figure 4).
Figure 4
Wiring diagram
NOTE- the above wire diagram represents DS-250, DS-400, DS-650 models.
75AMP 1-CONTACTOR
DS-150, DS-250
2-CONTACTOR
DS-400, DS-650