Precision Control Systems 1025 - Manual (Page 7)

MODEL 1022 & 1025 4 05/10/2007
INSTALLATION DRAWINGS (Continued)
2.375
1.19 1.62
2.00
0.177 (2)
120 or 240
Volt Primary
24 Vac
Secondary
Figure 4. 120/240 Volt Primary Transformer.
2.99
2.50
1.75 2.50 3.25
0.44
0.22
0.245
0.375
2.70
2.99
H1 H2 H3 H4
X4 X2 X3 X1
Figure 5. 480 Volt across H1 and H4 of Primary.
Jumper across X2 & X3 to create 24 Vac on Secondary.