Amendment_8-_KC46_Alter_Facilities_for_MX.pdf

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®of Engineers

US Army Corps

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FOR CONSTRUCTION

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PROOFS AND SAFETIES.

THE UNITS SHALL RUN SUBJECT TO THE UNIT MANUFACTURER'S 1.

PROOFS AND SAFETIES

SETPOINT OF THE THERMOSTAT.

COOL: THE UNIT SHALL OPERATE IN COOLING MODE TO MAINTAIN THE 5.

SETPOINT OF THE THERMOSTAT.

HEAT: THE UNIT SHALL OPERATE IN HEATING MODE TO MAINTAIN THE 4.

HEAT/COOL SELECTOR

OFF: THE FAN SHALL BE OFF AND THE UNIT DE-ENERGIZED.3.

AUTO: THE THERMOSTAT SHALL CYCLE THE FAN ON AND OFF.2.

ON: THE FAN SHALL START AND RUN CONTINUOUSLY.1.

FAN ON-AUTO-OFF SWITCH

MANUFACTURER'S INSTRUCTIONS.

FUNCTIONS AND WIRE TO THE UNIT CONTROLLER PER THE

PROVIDE EACH HP AND ACU WITH A THERMOSTAT WITH THE FOLLOWING

AND NOT CONNECTED TO A BUILDING MANAGEMENT SYSTEM.

THE FOLLOWING EQUIPMENT SHALL BE PROVIDED WITH STAND-ALONE

SEQUENCE OF OPERATIONS

SYSTEM UNITS (HP, ACU AND CU)

HEAT PUMP AND DUCTLESS SPLIT

AND CONDENSING UNITS CU-1,2,3,4,5,6 AND CU-1-3101

TYPICAL FOR HP-1,2,3,4,5,6 AND ACU-1-3101

HEAT PUMP AND DUCTLESS SPLIT SYSTEM AC UNITS CONTROL SYSTEM

DX

TO UNIT AIR

COOLED

CONDENSING

UNIT

COOLING

HEATING

SPACE

THERMOSTAT

HP OR ACU

CONTROLLER

SUPPLY

AIR

RETURN

AIR

FILTER FAN

MOTOR

AIR COOLED

CONDENSING

UNIT

DOAS-1

CONTROLLER

SUPPLY

AIR

OUTSIDE

AIR

FILTER SF-1

MOTOR

EXHAUST

AIR

FILTEREF-1

MOTOR

RETURN

AIR

OAD-1 OAT-1 SAT-1

AND SAFETIES.

THE UNIT SHALL RUN SUBJECT TO THE UNIT MANUFACTURER'S PROOFS

FLOW (CFM).

RATE. THE EXHAUST FAN WILL BE CONTROLLED FOR CONSTANT AIR

OPERATING SPEED AND FIELD BALANCED TO THE EXHAUST AIR FLOW

PROVIDE ADJUSTABLE 0% TO 100% MINIMUM AND MAXIMUM FAN

FLOW (CFM).

RATE. THE SUPPLY FAN WILL BE CONTROLLED FOR CONSTANT AIR

OPERATING SPEED AND FIELD BALANCED TO THE SUPPLY AIR FLOW

PROVIDE ADJUSTABLE 0% TO 100% MINIMUM AND MAXIMUM FAN

FAN OPERATION:

BE INITIALLY SET TO OPERATE 0600-1800 ON MONDAY THRU SUNDAY.

INTERNAL TIME CLOCK SHALL BE 7-DAY/24 HOUR ADJUSTABLE AND SHALL

AND FANS DE-ENERGIZED.

CONTROLLER DISPLAY. DAMPERS SHALL BE SPRING RETURN CLOSED

THE UNIT WILL BE COMMANDED OFF BY INTERNAL TIME CLOCK OR

OPEN AND END SWITCHES CLOSE.

CONTINUOUSLY AFTER THE EXHAUST AND OUTSIDE AIR DAMPERS

THE EXHAUST FAN AND SUPPLY FAN WILL START AND RUN

CONTROLLER DISPLAY.

THE UNIT WILL BE COMMANDED ON BY INTERNAL TIME CLOCK OR

START/STOP

MANUFACTURER'S INSTRUCTIONS.

PROVIDE THE FOLLOWING FUNCTIONS AND INSTALL PER THE

TO BMS.

PROVIDE BMS INTERFACE (BACNET MS/TP) FOR FUTURE CONNECTION

SENSORS AND FACTORY PROGRAMMED, MOUNTED, AND TESTED.

CHANGING SET POINTS AND MONITORING UNIT OPERATION WITH

CONTROLLER CONTROLLER WITH INTEGRAL LCD READOUT FOR

PROVIDE DOAS-1 WITH STANDALONE DDC AIR TO HEATPUMP UNITS.

DOAS-1 SHALL OPERATE UNDER ITS OWN CONTROLS TO PROVIDE OUTSIDE

MANAGEMENT SYSTEM.

EQUIPMENT CONTROLLER AND NOT CONNECTED TO A BUILDING

THE FOLLOWING EQUIPMENT SHALL BE PROVIDED WITH A STAND-ALONE

SEQUENCE OF OPERATIONS

ENERGY RECOVERY VENTILATOR

DEDICATED OUTSIDE AIR SYSTEM (DOAS-1)

DOAS-1

CONTROL SYSTEM

DEDICATED OUTSIDE AIR SYSTEM ENERGY RECOVERY VENTILATOR

EAT-1

EAD-1

POINT NAME DESCRIPTION AI AO DI DO SCHEDULE TREND ALARM GRAPHIC

SHOW ON

OAT-1 X X

OAD-1 X

SAT-1

RAT-1 XX

RAH-1 XX

EAT-1 X

EAD-1

XDOAS-1-FAULT X X

OAH-1

POINTS SCHEDULE - DOAS-1

NOTES

OAH-1

RAT-1 RAH-1

X

X

X

X

X

X

OAD-1 END SWITCH

EAD-1 END SWITCH

X

X

DOAS-1-ENABLE

DOAS-1-DISABLE

X

X

X

X

X

X

X

X

SET BY TIME CLOCK SCHEDULE

SET BY TIME CLOCK SCHEDULE

X

X

X

X

X

OUTSIDE AIR TEMPERATURE

OUTSIDE AIR DAMPER

SUPPLY AIR TEMPERATURE

RETURN AIR TEMPERATURE

RETURN AIR HUMIDITY

EXHAUST AIR TEMPERATURE

EXHAUST AIR DAMPER

UNIT FAULT

OUTSIDE AIR HUMIDITY

DAMPER END SWITCH

DAMPER END SWITCH

UNIT ON

UNIT OFF

SF-1 START/STOP

EF-1 START/STOP

SF-1 AIRFLOW

EF-1 AIRFLOW

SUPPLY FAN ON/OFF

EXHAUST FAN ON/OFF

SET BY FAN SPEED CONTROOLER

SET BY FAN SPEED CONTROOLER

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X

X

X

X

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