Engineered Comfort Fan Coil Controller EZstat Spezifikationen PDF herunterladen (Seite 33)

Installation and Operation Manual

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Fan Coil Controller – EZstat

EC-EZstat

Date: 9-2014 Supersedes: NEW

Engineered Comfort reserves the right to change any information concerning product or speciﬁcation without notice or obligation.

Page 33 of 36

 Table8–7 Mul-statevalueobjects

Schedule object

The EZstat occupancy state is controlled from a standard BACnet schedule object. The occupancy state is stored in the

reference object binary value object OCC_SCHEDULE. The excepon schedule within the schedule object is represented in

the user interface as the holiday schedules.

Table 8-8 Schedule object

Operang states and modes—the binary and mulstate value objects represent operang condions in the EZstat.

Objects BV5 and BV36 are related to the schedule.

Table 8–6 Binary value objects

Value object Name Descripon

BV5 OCC_SCHEDULE Occupy Schedule

BV6 DAT_ENABLE DAT Enable

BV7 DAT_SENSOR DAT Sensor Present

BV9 FAN_NEED Call for Fan

BV10 COOL_HEAT_NEED Cooling or Heang needed

BV11 SPEED_UP Speed up Timers x15

BV13 OCCUPIED_FAN Fan On During Occupied Mode

BV14 FAN_STATUS Fan Proof

BV15 MOD_FAN_ACTION Modulang or Stepped Fan Acon

BV16 AUTO_FAN_RESET Reset Fan Back to Auto

BV18 CL_VLV_ACTION Normal Close/Normal Open

BV19 HT_VLV_ACTION Normal Close/Normal Open

BV20 COOL_STG_1 Cooling Stage 1

BV22 HEAT_STG_1 Heang Stage 1

BV28 LOCAL_OVRD Local Override Mode

BV36 STPT_HOLD Hold Temperature Setpoint

Value object Name Descripon

MSV1 OCCUPIED_MODE Occupied Mode

MSV2 SYSTEM_MODE Control Mode

MSV3 FAN_MODE Fan Auto‑Manual Mode

MSV4 AVAILABLE_SPEEDS Number of Fan Speeds Available

Object Name Descripon Object Reference

1 SCHED_1 Schedule #1

BV5

Loop objects

The BACnet PID loops are used for valve and fan modulaon, staging, economizer operaon, and reheat during

dehumidicaon. The proporonal and integral properes of the cooling and heang loops are available from the user

interface.

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