User Guide

MODEL 8052 TEMP SENSOR
90-2087
FIGURE 10 – DISCHARGE AIR TEMPERATURE SENSOR
DISCHARGE AIR TEMPERATURE SENSOR (INCLUDED)
• Wire the discharge air temperature sensor
Model 8052 to the “DAT” terminals as
shown. See FIGURE 10.
• Maximum distance of the sensor from the
zone panel is 300 feet.
• Do not wire along 120VAC lines.
• Refer to FIGURE 5 on page 5 for the proper
mounting location of the discharge air
temperature sensor.
THERMOSTAT TERMINAL DEFINITIONS
R – 24VAC power to thermostat
C – 24VAC power to thermostat
W – Auxiliary heat
Y – Compressor
G – Fan
O – Reversing valve
L – Fault indicator to thermostat
NOTE:
Heat pump thermostats must be used for all zones.
HEAT PUMP
HVAC TERMINAL DEFINITIONS
Y1 – First stage compressor
W1 – First stage auxiliary heat
G – Fan
O – Reversing valve (cooling)
R
W1
Y1
HEAT PUMP
O
L
C
G
RC
W
Y
O
L
C
G
RH
B
HVAC
NOTE:
REMOVE JUMPER
JMP
TO ISOLATE
TRANSFORMERS IN
MULTI-TRANSFORMER
SYSTEMS.
JMP
90-2113
FIGURE 11 – HEAT PUMP
HVAC TERMINAL DEFINITIONS
RH – 24VAC from auxiliary heat equipment
RC – 24VAC from heat pump
W – Auxiliary heat
Y – Compressor
G – Fan
O – Reversing valve
B – Reversing valve
L – Heat pump fault input
C – Common from heat pump (only needed if L is connected)
NOTE:
For two transformer systems, remove the jumper next to the RH and RC
terminals labeled JMP.
English 9