Carrier 33ZCVAVTRM Specifications download pdf (Page 65)

If the current occupancy period is unoccupied when the

occupancy override is initiated, the mode will change to

occupied for the duration of the number of hours downloaded.

If the occupancy override will end after the start of the next

occupancy period, the mode will transition from occupancy

override to occupied without becoming unoccupied, and the

occupancy override timer will be reset.

An active occupancy override or a pending occupancy

override may be canceled by downloading a zero to this

configuration. Once a number other than zero has been down-

loaded to this configuration any subsequent downloads of any

value other than zero will be ignored by the zone controller.

Manual Override

Hours: Units hours

Range 0 to 4

Default Value 0

OCCUPANCY SCHEDULING — For flexibility of schedul-

ing, the occupancy programming is broken into eight separate

periods. For each period the scheduling, the active days of the

week, occupied start time, and occupied stop time needs to be

configured.

DAY OF WEEK — This configuration consists of eight fields

corresponding to the seven days of the week and a holiday

field in the following order: Monday, Tuesday, Wednesday,

Thursday, Friday, Saturday, Sunday, Holiday. A separate

configuration screen is used.

If a 1 is configured in the corresponding place for a certain

day of the week, the related “Occupied from” and “Occupied

to” times for that period will take effect on that day of the

week. If a 1 is placed in the holiday field the related times will

take effect on a day configured as a holiday. A zero means the

schedule period will not apply to that day.

Period (1-8):

Day of Week: Range 0 or 1

Default Values 11111111 for period 1,

00000000 for periods 2-8.

OCCUPIED FROM — This field is used to configure the

hour and minute, in military time, when the mode for the zone

controller becomes occupied.

Period (1-8):

Occupied from: Units Hours: Minutes

Range 00:00 to 24:00

Default Value 00:00

OCCUPIED TO — This field is used to configure the hour

and minute, in military time, when the occupied mode for the

zone controller becomes unoccupied.

Period (1-8):

Occupied from: Units Hours: Minutes

Range 00:00 to 24:00

Default Value 24:00

Option Service Configuration Table — The Op-

tion Service Configuration Table (OPTIONS) contains

decisions used to configure the service options of the zone

controller. This includes such things as whether the zone

controller is a global schedule master, a global set point master,

a broadcast acknowledger, and whether it will be using demand

control ventilation. This is also where loadshed parameters are

configured. See Table 12.

OCCUPANCY SCHEDULE NUMBER — The Occupancy

Schedule Number defines what Occupancy schedule the zone

controller will use. Occupancy Schedule 64 is a local schedule.

Occupancy Schedules 65 to 99 are global schedules.

Occupancy Schedule

Number: Range 64 to 99

Default Value 64

GLOBAL SCHEDULE MASTER — The Global Schedule

Master configuration allows the Occupancy Schedule to be used

as a Global Schedule Master (Occupancy Schedules 65-99).

Global Schedule

Master: Range No/Yes

Default Value No

OVERRIDE — The Override parameter is used to configure

the number of hours and minutes the override will be in effect.

The user initiates override by pressing the override button on

the space temperature sensor. This will cause the schedule to

enter into the Occupied mode. If global scheduling is used, all

zones using the global schedule will enter Occupied mode.

Pushing the override button during Occupied mode will have

no effect.

If the occupancy override is due to end after the start of the

next occupancy period, the mode will transition from occupan-

cy override to occupied without becoming unoccupied, and the

occupancy override timer will be reset.

NOTE: If using the tenant billing function, the override

hours set point must be configured between 1 and 3 hours.

Override: Units Hours: Minutes

Range 00:00 to 24:00

Default Value 00:00

SET POINT GROUP NUMBER — The Set Point Group

Number is used to define the current zone controller as a part of

a group of zone controllers which share the same set points. All

zone controllers with the same Set Point Group Number will

have the same set points. The set points are broadcast to the

group by the zone controller defined by the Global Set Point

Master configuration. A value of 0 is a local schedule. Values 1

to 16 are used for global scheduling.

Set Point

Group Number: Range 0 to 16

Default Value 0

GLOBAL SET POINT MASTER — This configuration de-

fines if the current zone controller will broadcast its set point

values to the other zone controllers which are made part of the

same group by configuring the Set Point Group Number.

Global Set Point

Master: Range No/Yes

Default Value No

MAXIMUM OFFSET ADJUSTMENT — This configuration

determines the maximum amount that the set point will be bi-

ased (up or down), by adjusting the slide bar on the space tem-

perature sensor (if installed).

Maximum Offset

Adjustment: Units delta F (delta C)

Range 0to15

Default Value 2

BROADCAST ACKNOWLEDGER — This configuration

defines if the zone controller will be used to acknowledge

broadcast messages on the communication bus. One broadcast

acknowledger is required per bus, including secondary busses

created by the use of a bridge.

Broadcast

Acknowledger: Range No/Yes

Default Value No

LOADSHED FUNCTION GROUP NUMBER — This de-

cision is used to assign the number that the loadshed function

will use when transmitting alerts and commands to differenti-

ate this loadshed group from any other loadshed group in the

network. The loadshed algorithm is disabled if the value 0 is

entered in this decision.

Loadshed Function

Group Number: Range 0 to 16

Default Value 0

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Carrier 33ZCVAVTRM Specifications Page 65

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