Heat Pump: Cooling
Primary Fan (Fuel), Secondary Fan (Fuel)
Stage
Y1
1st Stage
*
2nd Stage
*
Primary Fan (Electric), Secondary Fan (Fuel)
Stage
Y1
1st Stage
*
2nd Stage
*
Primary Fan (Fuel), Secondary Fan (Electric)
Stage
Y1
1st Stage
*
2nd Stage
*
Primary Fan (Electric), Secondary Fan (Electric)
Stage
Y1
1st Stage
*
2nd Stage
*
Y2
W1
*
Y2
W1
*
Y2
W1
*
Y2
W1
*
W2
O
*
*
W2
O
*
*
W2
O
*
*
W2
O
*
*
B
G
*
*
B
G
*
*
B
G
*
*
B
G
*
*
21