CBV-2U4-3T(-N) |
Control Sequence Overview
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49
M
AN0
13
9
re
v
14
•
(A203)
(Unoccupied heating temperature setpoint)
•
(A202)
(Unoccupied cooling temperature setpoint)
Default temperature setpoints are 71°F/75°F for the occupied mode heating/cooling and 65°F/85°F for the
unoccupied mode heating/cooling.
SETPOINT MODIFIERS
The Occupied setpoints may be modified by the position of the setpoint adjustment lever, load shed offset,
standby offset, etc. The effective setpoints the
CBV-2U4-3T(-N)
will be controlling to are displayed by:
•
(A183)
(Current Active Cooling Setpoint)
•
(A182)
(Current Active Heating Setpoint)
ZATCONTRLMODEENUMERATION (A190) RO
The current control mode may be viewed or displayed using this point.
ZATContrlModeEnumeration (A190)
VALUE
FUNCTION
0
Deadband
1
Occupied Heating
2
Unoccupied Heating
4
Occupied Cooling
8
Unoccupied Cooling
16
Standby
ZONE TEMPERATURE ALARMS
If the zone temperature goes above the
(A183) or below the
(A182) by the
(A371) setpoint, default 2 degrees, then a delay timer will be started
(A373), default 60 minutes. If the zone temperature has not corrected before the time
delay, an alarm will be generated.
Additionally, during a low temp alarm condition point
(A41) will be set to 1. While in a high temp
alarm condition
(A41) will be set to 2.
If the zone temperature sensor malfunctions and input 1 is reading above 100 or below 0, the controller will
go into local temp fault alarm.
CBV-2U4-3T(-N)
will operate as it would in the deadband mode and no heating
will be enabled. The point set to on during this alarm condition is:
•
(D169)
on is zone temperature sensor fault, off is no fault
When in this condition
Содержание CBV-2U4-3T
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