Engineered Comfort Fan Coil Controller EZstat - Page 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.