Manual
2100-532B
Page
19 of 46
LOW VOLTAGE CONNECTIONS
The
“R”
terminal is the 24 VAC
hot
terminal and is
supplied through Pin #10 of Plug P2
.
The
“C”
terminal is the 24 VAC
common
/
grounded
terminal and feeds through Pin #11 of Plug P2.
The
“G”
terminal is the
indoor blower input signal
and
feeds through Pin #6 of Plug P2.
The
“Y1”
terminal is the
compressor starting signal
and
feeds through Pin #7 of Plug P2.
The
“Y2”
terminal is the
compressor staging solenoid
signal
and feeds through Pin #4 of Plug P2.
The
“O”
terminal is the
reversing valve signal
and
feeds through Pin #8 of Plug P2.
The
“A”
terminal is the
ventilation demand signal
and
outputs a signal for ventilation during occupied
programming conditions, and feeds through Pin #5 of
Plug P2.
The
“W2”
terminal is the
electric heat signal
and feeds
through Pin #9 of Plug P2.
The
“W1/E”
terminal is the
emergency heat signal
and
feeds through Pin #3 of Plug P2.
The
“L”
terminal is used as an
input terminal
when a
CS2000 infrared occupancy device is used. It feeds
through Pin #12 of Plug P2.
The
“D”
terminal is used only of dehumidification
models and feeds through Pin #1 of Plug P2.
LOW VOLTAGE CONNECTIONS FOR
DDC CONTROL
Fan Only
Energize G
Ventilation
Energize G, A (any mode of operation)
Part Load Cooling
Energize G, Y1, O
Full Load Cooling
Energize G, Y1, Y2, O
Part Load HP Heating
Energize G, Y1
Full Load HP Heating
Energize G, Y1, Y2
Electric Heat
Energize G, W2
Dehumidification
Energize G, D, O
FIGURE 13
BLOWER MOTOR LOW VOLTAGE
WIRE HARNESS PLUG
MIS-1285
