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Manual 2100-738A
Page
21 of 71
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
auxiliary 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
Auxiliary Heat
Energize G, W2
Dehumidification
Energize G, D, O
FIGURE 13
Blower Motor Low Voltage
Wire Harness Plug
MIS-1285
Summary of Contents for Q-TEC Series
Page 16: ...Manual 2100 479 Page 6 of 11 FIGURE 1 TYPICAL AIR CONDITIONING SYSTEM COOLING CYCLE MIS 369...
Page 17: ...Manual 2100 479 Page 7 of 11 FIGURE 2 TYPICAL HEAT PUMP SYSTEM COOLING CYCLE MIS 368...
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Page 92: ...Manual 2100 738A Page 60 of 71 FIGURE 36 Water Source Heat Pump Cooling Cycle...
Page 93: ...Manual 2100 738A Page 61 of 71 FIGURE 37 Water Source Heat Pump Heating Cycle...
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Page 125: ...Manual 2110 1558 Page 14 of 23 OPTIONAL CLIMATE CONTROLS SEXP 560 3 2 1...
Page 127: ...Manual 2110 1558 Page 16 of 23 OPTIONAL CLIMATE CONTROLS 1 3 2 4 SEXP 639 5...
Page 129: ...Manual 2110 1558 Page 18 of 23 OPTIONAL CLIMATE CONTROLS 6 4 2 3 1 5 SEXP 646...
Page 131: ...Manual 2110 1558 Page 20 of 23 OPTIONAL CLIMATE CONTROLS SEXP 645 4 3 2 5 6 1...
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