Selecting Return Air Temperature Sensor Mounting Location - Honeywell Prestige 2.0 THX9421 Manual

See Fig. 11. When setting the Delta T Limits (see "Set
Delta T Limits" on page 89), be sure to consider the
affect that the humidifier has on Delta T.
4. If a Bypass Humidifier is installed, mount the
Discharge Air Temperature Sensor downstream of
the Bypass Humidifier. See Fig. 13–14.
Selecting Return Air Temperature
Sensor Mounting Location
1. Install the Return Air Temperature Sensor on the
return duct in a location where the air is mixed well.
Mount the Return Air Temperature Sensor
downstream of a Bypass Humidifier, Dehumidifier or
Ventilator. See Fig. 10–14.
MOUNT DISCHARGE
SENSOR HERE
VENTILATOR
OR
DEHUMIDIFIER
MOUNT RETURN
SENSOR HERE
DOWNSTREAM OF
VENTILATOR OR
DEHUMIDIFIER
ALTERNATE MOUNTING LOCATION FOR DISCHARGE
SENSOR. WHEN SETTING THE LIMITS, BE SURE TO
CONSIDER THE AFFECT THAT THE HUMIDIFIER HAS
ON DELTA T.
VENTILATOR
OR
DEHUMIDIFIER
MOUNT RETURN
SENSOR HERE
DOWNSTREAM OF
VENTILATOR OR
DEHUMIDIFIER
A-COIL
HEAT
EXCHANGER
BLOWER
M33074
Fig. 10.
STEAM OR
FAN
POWERED
HUMIDIFIER
MOUNT
DISCHARGE
SENSOR HERE
ABOVE CENTER
OF A-COIL
UPSTREAM OF
HEAT
STEAM OR FAN
EXCHANGER
POWERED
HUMIDIFIER
BLOWER
M33075A
Fig. 11.
®
THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE
ALTERNATE MOUNTING LOCATION FOR DISCHARGE
SENSOR. WHEN SETTING THE LIMITS, BE SURE
TO CONSIDER THE AFFECT THAT THE DEHUMIDIFIER
HAS ON DELTA T.
DEHUMIDIFIER
MOUNT RETURN
SENSOR HERE
DOWNSTREAM OF
DEHUMIDIFIER
VENTILATOR
OR
DEHUMIDIFIER
MOUNT RETURN
SENSOR HERE
MOUNT DOWNSTREAM
OF BYPASS HUMIDIFIER,
DEHUMIDIFIER OR
VENTILATOR
11
®
IAQ WITH EIM
MOUNT
DISCHARGE
SENSOR HERE
ABOVE CENTER
OF A-COIL
UPSTREAM OF
DEHUMIDIFIER
HEAT
EXCHANGER
BLOWER
M33076A
Fig. 12.
MOUNT
DISCHARGE
BYPASS
SENSOR HERE
HUMIDIFIER
MOUNT
DOWNSTREAM
OF BYPASS
HUMIDIFIER
HEAT
EXCHANGER
BLOWER
M33078A
Fig. 13.
68-0311—07