8107_mi6v8.pdf

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DATE

PROJECT NO:

DRAWING NO:

AS SHOWN

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SHEET MI6 OF 7

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17 NOV 16

DPW 03383-6J

ALL FCU CONTROLLERS

NOTE 5: HC-T MAY BE STRAP-ON TYPE TO GENERATE OUTPUT SNVT FOR HEAT/COOL SIGNAL TO

AND NUMBER. DEVICE AND SIGNAL IDENTIFIERS SHALL BE CONSISTENT BETWEEN DRAWINGS.

REPRESENT/SHOW A COMMON (OR SINGLE) CONTROLLER EACH BUBBLE SHALL USE THE SAME IDENTIFIER

BE SEQUENTIALLY NUMBERED. WHERE SEPERATE DDC CONTROLLER BUBBLES ARE USED TO

DEVICES ARE SHOWN (FOR EXAMPLE; DDC CONTROLLER, OA SENSOR, OR EP TRANSDUCER) EACH SHALL

NOTE 3: CONTRACTOR SHALL SHOW A UNIQUE IDENTIFIER FOR EACH DEVICE. WERE MULTIPLE IDENTICAL

NOTE 1: CONTRACTOR SHALL AFFIX PERMANENT TAGS/LABELS TO ALL DEVICES AS SPECIFIED

NOTE 2: CONTRACTOR SHALL LABEL ALL DDC I/O SIGNAL LINES: 4-20 mA, VDC, OR SNVT

SHALL BE CONSISTENT BETWEEN ALL DRAWINGS

NOTE 4: CONTRACTOR SHALL UNIQUELY NUMBER ALL ANSI 709.1 DEVICES. THIS NUMBERING

FAN COIL UNIT CONTROL

FILTER

OUTSIDE

AIR

D-1

NC

ACTUATOR

OUTSIDE

AIR

SUPPLY

DDC

SUPPLY

OA-D-2P

HTG-V-C

DIR

DIR

DIR

HC

VALVE OPEN

HEATING COIL

VALVE CLOSED

HEATING COIL

VALVE CLOSED

COOLING COIL

CLOSED

OA DAMPER

OPEN

OA DAMPER

VALVE OPEN

COOLING COIL

UNOCCUPIED

SPACE TEMPERATURE

SPACE TEMPERATURE

DEGREES F FROM ZONE SETPOINT (ZN-T-SP)

VALVE OPEN

HEATING COIL

VALVE CLOSED

HEATING COIL

CLOSED

OA DAMPER

OPEN

OA DAMPER

VALVE CLOSED

COOLING COIL

ZN-T-SP70 71 73 75

68 70 78 80

OCCUPIED

FILTER

OUTSIDE

AIR

D-1

NC

ACTUATOR

OUTSIDE

AIR

SUPPLY

DDC

SUPPLY

CLG-V-C

DIR

DIR

DIR

H

AIR

RETURN

SUPPLY FAN

C

SF-SS

SUPPLY FAN

SUPPLY FAN

OFF

ON

SUPPLY FAN

SUPPLY FAN

ON

OFF

2-POSITION

CONTROL

STAT

PROVIDE NETWORK JACK

ON THERMOSTAT

ZN-OCC

PROVIDE CEILING MOUNTED

PASSIVE INFARED MOTION SENSOR

SET TO DEACTIVATE AFTER 30 MINUTES

MOUNT IN COMMON AREA

LDP

U N

N T

R O

L

F

HUMIDITY (ZN-HMD) AT THE SETPOINT.

MODULATE THE HEATING AND COOLING CONTROL VALVES TO MAINTAIN ZONE

(1) IN THE OCCUPIED OR UNOCCUPIED MODE THE DDC HARDWARE SHALL

D. ZONE HUMIDITY CONTROL:

CONTROL VALVE IN SEQUENCE TO MAINTAIN ZONE TEMPERATURE AT THE CONFIGURED SETPOINT AS SHOWN.

(2) IN THE UNOCCUPIED MODE THE DDC HARDWARE SHALL MODULATE THE HEATING COIL CONTROL VALVE AND COOLING COIL

VIA THE WALL MOUNTED THERMOSTAT AS SHOWN. THE OUTDOOR AIR DAMPER SHALL BE OPEN.

COOLING COIL CONTROL VALVE IN SEQUENCE TO MAINTAIN ZONE TEMPERATURE(ZN-T) AT THE OCCUPANT ADJUSTABLE SETPOINT

(1) IN THE OCCUPIED MODE THE DDC HARDWARE SHALL MODULATE THE HEATING COIL CONTROL VALVE CONTROL VALVE AND THE

C. ZONE TEMPERATURE CONTROL:

B. SAFETIES: NONE

UNOCCUPIED.

INPUT(S) (ZN-OCC) INDICATE THAT THE SPACE IS UNOCCUPIED AND THE INPUT FROM THE SYSTEM SCHEDULER (SYS-OCC) IS

(2) UNOCCUPIED: THE FAN COIL UNIT DDC HARDWARE SHALL BE IN THE UNOCCUPIED MODE WHEN THE LOCAL SPACE OCCUPANCY

OCCUPIED.

INPUT(S) (ZN-OCC) INDICATE THAT THE SPACE IS OCCUPIED OR WHEN THE INPUT FROM THE SYSTEM SCHEDULER (SYS-OCC) IS

(1) OCCUPIED: THE FAN COIL UNIT DDC HARDWARE SHALL BE IN THE OCCUPIED MODE WHEN THE LOCAL SPACE OCCUPANCY

A. OCCUPANCY MODES:

SHALL BE PROPORTIONAL-INTEGRAL (PI) CONTROL.

AND ALARMS AS SPECIFIED AND SHOWN ON THE POINTS SCHEDULE. UNLESS OTHERWISE SPECIFIED, ALL MODULATING CONTROL

CONTRACTOR SHALL INSTALL DDC HARDWARE TO PERFORM THIS SEQUENCE OF OPERATION AND TO PROVIDE SNVT INPUTS, OUTPUTS

FAN-COIL UNIT CONTROL

OCCUPANCY SCHEDULE

SYSTEM OCCUPIED

OTHERWISE

UNOCCUPIED

0600-1800

SYSTEM DEFAULT SCHEDULE SUPERVISORY MOITORING & CONTROL SCHEDULE

OCCUPIED UNOCCUPIED

M-S

0600-2100

OTHERWISE

M-F

~FCUs

OCC MODE

PUT FCU IN

INPUTS TO

# ZN OCC

RETURN

SUPPLY

SUPPLY

HTG-V-C

NO

V-1

RETURN

V-2

NC

DIR

DIR

HC

NCCOM

NOCOM

RETURN

SUPPLY

SUPPLY

CLG-V-C

NO

V-1

RETURN

V-2

NC

DIR

DIR

HC

NCCOM

NOCOM

N.O.FLOW THROUGH

HEAT VALVE

THE COIL PROVIDE NEW

VALVES & ACTUATOR

PROVIDE NEW

VALVES & ACTUATOR

FCU-4(A & E) ONLY

3-WAY VALVES

RETURN

NO

COIL

THROUGH

N.O. FLOW

HEAT VALVE

NC

RETURN

J

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B

C8107.27

ZN-HUM

VALVE OPEN

COOLING COIL