Page 29
T3EH 072/150, 10−35 kW G, J, M Voltage − Sequence
of Operation
Heat Call ELS / ELP
1 - W1 (W2 in ELP) heat demand energizes the
economizer relay K43 and heat relay K9.
2 - K9−1 closes energizing contactor K15.
3 - K15−1 closes and assuming primary limit S15 and
secondary limit S20 are closed, heating elements
HE1 and HE2 are energized.
To Previous Page
Loading...
