Service Hints

P4 Pressure SW
3 - 2 : Closed above approx. 15.5 kgf/sq.cm (224 psi, 1520 kpa)
: Open below approx. 12.5 kgf/sq.cm (181 psi, 1225 kpa)

W3 Water Temp. SW NO.1
2 - 1 : Continuity above approx. 95 °C (203 °F)

W4 Water Temp. SW NO.2
1-Ground : Continuity above approx. 90 °C (194 °F)