Carrier 33ZCVAVTRM Specifications download pdf (Page 67)

LOADSHED OFFSET ADJUST — This decision is used to

configure an amount by which the Occupied Heating and

Occupied Cooling set points will be relaxed in response to a

redline broadcast. The zone controller responds to a loadshed

event similar to a redline event, if the loadshed command is

preceded by a redline event.

Specifically, if the unit is already in redline when the load-

shed command is received, the zone controller will drop one

stage of heat if heating, provided there is more than one stage

available.

If the unit is in cooling, the zone controller uses the Load-

shed Offset Adjust to raise the cooling set point, if raising the

sepoint by this amount will cause the space to be satisfied.

Also, if the system experiences a loadshed event while not

in redline, it will treat the event as a redline event and raise

or lower the cooling and heating set points by the amount

configured in this decision.

Loadshed Offset

Adjustment: Units delta F (delta C)

Range 0 to 15

Default Value 2

MAXIMUM LOADSHED TIME — This decision is used to

specify the maximum amount of time that a redline or loadshed

event may affect this zone. A timer starts at the beginning of

the event and automatically terminates the event after this

configurable time limit.

Override: Units Minutes

Range 0 to 240

Default Value 60

CONTROL OPTIONS — The Control Options configuration

determines whether the zone controller will use a humidity

sensor or an indoor air quality sensor. A configuration of

0 means no sensors are used. A configuration of 1 means a

Humidity Sensor is used. A configuration of 2 means an IAQ

Sensor is used.

Control Options: Range 0 to 2

Default Value 0

DEMAND CONTROL VENTILATION — These configura-

tion values define the calculation parameters for determining

the airflow needed for demand control ventilation (DCV). The

Maximum Output Value is measured in percentage of nominal

terminal cfm.

Proportional

Gain: Range 0.0 to 9.99

Default Value 0.10

Integral Gain: Range 0.00 to 9.99

Default Value 0.03

Maximum Output

Value: Range 0.0 to 100.0% (max cool

damper position)

Default Value 100.0

DCV LOW VOLTAGE — This decision is used to define the

lowest voltage that should be read from the demand control

ventilation sensor.

DCV Low

Voltage: Units volts

Range 0 to 10

Default Value 0

DCV HIGH VOLTAGE — This decision is used to define the

highest voltage that should be read from the demand control

ventilation sensor.

DCV High

Voltage: Units volts

Range 0 to 10

Default Value 10

DCV LOW REF (PPM) — This decision is used to define the

value in parts per million that correlate to the low voltage read-

ing from the demand control ventilation sensor.

DCV Low

Ref (ppm): Units ppm

Range 0 to 5000

Default Value 0

DCV HIGH REF (PPM) — This decision is used to define

the value in parts per million that correlate to the high voltage

reading from the demand control ventilation sensor.

DCV High

Ref (ppm): Units ppm

Range 0 to 5000

Default Value 2000

Set Point Configuration Table — The Set Point Con-

figuration Table (SETPOINT) contains decisions used to con-

figure the zone controller's occupied and unoccupied heat and

cool set points. It is also used to configure the demand control

ventilation set point in parts per million (ppm). See Table 13.

OCCUPIED HEAT — The Occupied Heat set point is used to

configure the heating set point for the zone controller during

Occupied mode.

Occupied Heat: Units F (C)

Range 40.0 to 90.0

Default Value 70.0

OCCUPIED COOL — The Occupied Cool set point is used

to configure the cooling set point for the zone controller during

Occupied mode.

Occupied Cool: Units F (C)

Range 45.0 to 99.9

Default Value 74.0

UNOCCUPIED HEAT — The Unoccupied Heat set point is

used to configure the heating set point for the zone controller

during Unoccupied mode.

Unoccupied Heat: Units F (C)

Range 40.0 to 90.0

Default Value 55.0

UNOCCUPIED COOL — The Unoccupied Cool set point is

used to configure the cooling set point for the zone controller

during Unoccupied mode.

Unoccupied Cool: Units F (C)

Range 45.0 to 99.9

Default Value 90.0

DEMAND VENT (PPM) — This decision is used to config-

ure the ventilation set point for the zone controller if optional

Demand Control Ventilation support is used.

Demand Vent: Units ppm

Range 0 to 5000

Default Value 850

Table 13 — Set Point Configuration Table

DESCRIPTION VALUE UNITS NAME

Setpoints

Occupied Heat 70.0 dF OHSP

Occupied Cool 74.0 dF OCSP

Unoccupied Heat 55.0 dF UHSP

Unoccupied Cool 90.0 dF UCSP

Demand Vent (ppm) 850 DCVSP

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 315 316

Carrier 33ZCVAVTRM Specifications Page 67

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Carrier 33ZCVAVTRM Specifications Page 67

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