Trane Horizon OADG Series Installation, Operation And Maintenance Manual page 94

Outdoor air unit, indirect fired gas/electric heat/air source heat pump
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Startup Form
Typical Setpoints
#
BACnet Point Name Setting
Outdoor Air Cooling
AV-29
Enable Setpoint
Outdoor Air Heating
AV-33
Enable Setpoint
Outdoor Air Dewpoint
AV-10
Enable Setpoint
Discharge Air Cooling
AV-30
Setpoint BAS
Discharge Air Heating
AV-32
Setpoint BAS
Discharge Air
AV-67
Temperature Setpoint
BAS
Space Humidity
AV-87
Setpoint
Occupied Cooling
AV-01
Setpoint
Occupied Heating
AV-02
Setpoint
Space Temperature
AV-25
Setpoint BAS
Outdoor Air Dewpoint
AV-10
Enable Setpoint
Discharge Air Cooling
AV-30
Setpoint BAS
Discharge Air Heating
AV-32
Setpoint BAS
Discharge Air
AV-67
Temperature Setpoint
BAS
Supply Fan Air Flow
AV-39
Setpoint
Duct Static Pressure
AV-46
Setpoint BAS
Exhaust Fan Speed
AV-40
Setpoint BAS
Exhaust Fan Air Flow
AV-57
Setpoint
Outdoor Air Damper
AV-48
Minimum Position
Setpoint
94
Default
Range
Units
DISCHARGE AIR CONTROL
-
45–100
°F
-
15–75
°F
-
45–100
°F
60
45–90
°F
65
45–100
°F
55
40–125
°F
SPACE CONTROL AND SINGLE ZONE VAV
45
0–100
%
72
55–85
°F
70
55–85
°F
72
62–80
°F
MULTI ZONE VAV
55
45–100
°F
60
45–90
°F
65
45–100
°F
55
40–125
°F
AIR BALANCE
Varies
0–25000
cfm
1.5
-1–6
in.H2O
80
0–100
%
Varies
0–25000
cfm
Varies
0–100
%
Description
When the Outdoor Air Temperature is above this setpoint, the unit will
be locked into Cooling Mode.
When the Outdoor Air Temperature is below this setpoint, the unit will
be locked into Heating Mode (takes priority over Dehumidification
Mode).
When the Outdoor Air Dewpoint is above this setpoint, the unit will be
locked into Dehumidification Mode (takes priority over Cooling Mode).
Discharge air setpoint during Cooling and Dehumidification Mode.
Discharge air setpoint during Heating Mode.
Discharge air setpoint used during Heating, Cooling, and
Dehumidification Mode. Factory defaulted Out of Service, put In
Service to use.
Temperature setpoint and this setpoint is used to calculate a Space
Dewpoint Setpoint, which puts the unit into Dehumidification Mode.
Space cooling setpoint used in occupied mode.
Space heating setpoint used in occupied mode.
Communicated space temperature setpoint (overwrites Occupied
Cooling and Heating Setpoints). Factory defaulted Out of Service, put
In Service to use.
When the Outdoor Air Dewpoint is above this setpoint, the unit will be
locked into Dehumidification Mode (takes priority over Cooling Mode).
Discharge air setpoint during Cooling and Dehumidification Mode.
Discharge air setpoint during Heating Mode.
Discharge air setpoint used during Heating, Cooling, and
Dehumidification Mode. Factory defaulted Out of Service, put In
Service to use.
Setpoint used to control the supply fan for constant volume. Only
used on OAB and OAG cabinets (not VAV).
Setpoint used to control supply fan to static pressure. Factory default
range is 0-2"WC, but can be re-configured for 0-5"WC.
Setpoint used for constant speed exhaust fan. Used on OAD, OAK, and
OAN cabinets that have exhaust, but do not have modulating OA/RA
dampers.
Setpoint used for constant volume exhaust fan control. Used on OAB
and OAG cabinets that have exhaust, but do not have modulating OA/
RA dampers.
Setpoint used to limit the outdoor air damper position during all
operation. Typically adjusted during air balance. Factory set at an
estimate based on submittal data.
OAU-SVX006E-EN

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