STA-RITE SR200NA Service Manual page 2

To determine if a heater is single voltage (115VAC – manufactured before 4/27/04) or dual voltage (120/240VAC –
manufactured on or after 4/27/04), shut off power to the heater, remove the heater covers and open the control box.
12-Pin Plug
D D D D u u u u a a a a l l l l V V V V o o o o l l l l t t t t a a a a g g g g e e e e C C C C o o o o n n n n t t t t r r r r o o o o l l l l B B B B o o o o x x x x . . . . Note 12-Pin Plug at left
rear of box. Dual voltage units (120/ 240VAC)
have been manufactured since April 27, 2004.
See Pages 4-32 and 4-33 for Wiring Connection Diagrams.
See Page 7-1 for more information.
IMPORTANT
S S S S i i i i n n n n g g g g l l l l e e e e V V V V o o o o l l l l t t t t a a a a g g g g e e e e C C C C o o o o n n n n t t t t r r r r o o o o l l l l B B B B o o o o x x x x . . . . Single voltage
units (120VAC only) were manufactured prior
to April 27, 2004.