00-M-805.pdf

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MECHANICAL ROOM 204

CONTROL PANEL 2

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MECHANICAL ROOM 121A

CONTROL PANEL 1

PLAN NOTES:

GENERAL NOTES:

LEGEND:

TRAINING CENTER BUILDING

I. VARIABLE REFRIGERANT FLOW (VRF) SYSTEM (OFFICE AREAS)

A. THE VRF SYSTEM SHALL HAVE ITS OWN MANUFACTURER PROVIDED

CONTROL SYSTEM WITH A LON

GATEWAY COMMUNICATING WITH THE BMS.

THE BMS SHALL BE A SUPERVISORY SYSTEM ONLY.

B. A WALL-MOUNTED THERMOSTAT SHALL CONTROL EACH INDIVIDUAL

CEILING AIR HANDLING UNIT (AHU) AT THE FOLLOWING DESIGN

CONDITIONS (ADJ.):

1. HEATING: 68 DEGF

2. COOLING: 78 DEGF

C. EACH AHU WILL BE CONNECTED VIA A COMMUNICATIONS NETWORK

TO ITS RESPECTIVE HEAT RECOVERY BOX.

D. EACH HEAT RECOVERY BOX WILL BE CONNECTED VIA A

COMMUNICATIONS NETWORK TO THE CONDENSING UNITS.

E. A LON GATEWAY WILL RESIDE ON THE SAME NETWORK AS THE

CONDENSING UNITS. THE LON GATEWAY WILL COMMUNICATE ALL

VRF SYSTEM DATA TO THE BMS AS WELL AS RECEIVE COMMANDS,

SUCH AS OCCUPIED/UNOCCUPIED COMMANDS AND SETPOINT

CHANGES, FROM THE BMS AND SEND THEM TO THE APPROPRIATE

CONTROLLER IN THE VRF SYSTEM.

F. THE VRF MANUFACTURER PROVIDED CONTROLS WILL MAKE ALL

CAPACITY CONTROL DECISIONS AND PROVIDE EQUIPMENT SAFETY

PROTECTION. THE BMS WILL PROVIDE GLOBAL CONTROL FUNCTIONS,

SUCH AS OCCUPIED/UNOCCUPIED COMMANDS AND ALLOW

INDIVIDUAL ZONE SETPOINTS TO BE MODIFIED.

G. SEE THE VRF MANUFACTURER'S LITERATURE FOR A DETAILED

SEQUENCE OF OPERATIONS.

H. INTERNAL ALARMS GENERATED BY THE VRF MANUFACTURER'S

CONTROL SYSTEM SHALL BE ANNUNCIATED BY THE BMS AT THE

OPERATOR WORKSTATION. SEE THE VRF MANUFACTURER'S

LITERATURE FOR A LIST OF THE SYSTEM ALARMS.

ERV SEQUENCE OF OPERATIONS

II. ENERGY RECOVERY VENTILATOR ERV-1/CONDENSING UNIT CU-8

A. GENERAL

1. THE ERV WILL BE CONTROLLED BY THE BMS.

2. THE BMS WILL START AND STOP THE ERV THROUGH A USER

DEFINED OCCUPANCY SCHEDULE.

3. ALARMS

a. THE FOLLOWING ERV ALARMS WILL BE MONITORED AND

ANNUNCIATED BY THE BMS:

1) SMOKE DETECTOR

a) A MANUAL RESET SMOKE DETECTOR ON THE RETURN DUCT WILL

SENSE THE PRESENCE OF PRODUCTS OF COMBUSTION.

b) WHEN PRODUCTS OF COMBUSTION ARE DETECTED BY THE

SMOKE DETECTOR, THE SUPPLY FAN (SF), EXHAUST FAN (EF), AND

ENTHALPY WHEEL SHALL STOP. ALL DAMPERS AND COILS WILL BE

SHUT OFF.

2) SF FAILURE

a) A SF FAILURE ALARM OCCURS WHENEVER THE FAN IS

COMMANDED TO START BY THE ERV CONTROLLER AND THE

SUPPLY FAN STATUS PROVING SWITCH DOES NOT INDICATE THAT

THE FAN IS OPERATING WITHIN 10 SECS.

b) WHEN A SF FAILURE ALARM OCCURS, THE OUTSIDE AIR (OA)

INTAKE DAMPER SHALL CLOSE AND THE EF, ENTHALPY WHEEL,

AND ALL HEATING AND COOLING COILS WILL BE SHUT OFF.

3) EF FAILURE

a) AN EF FAILURE ALARM OCCURS WHENEVER THE FAN IS

COMMANDED TO START BY THE ERV CONTROLLER AND THE EF

STATUS PROVING SWITCH DOES NOT INDICATE THAT THE FAN IS

OPERATING WITHIN 10 SECS.

b) WHEN AN EF FAILURE ALARM OCCURS, THE ENTHALPY WHEEL

SHALL STOP. THE SF AND THE HEATING AND COOLING COILS

SHALL CONTINUE TO OPERATE NORMALLY.

4) ENTHALPY WHEEL FAILURE

a) AN ENTHALPY WHEEL FAILURE ALARM OCCURS WHENEVER THE

WHEEL IS COMMANDED TO START BY THE ERV CONTROLLER AND

THE WHEEL STATUS PROVING SWITCH DOES NOT INDICATE THAT

THE WHEEL IS OPERATING WITHIN 10 SECS.

b) WHEN A WHEEL FAILURE ALARM OCCURS, THE REMAINING

COMPONENTS OF THE ERV SHALL CONTINUE TO OPERATE

NORMALLY.

5) HIGH AND LOW LIMIT DISCHARGE AIR TEMPERATURE ALARMS

WILL BE ANNUNCIATED. THE HIGH LIMIT ALARM WILL OCCUR

WHEN THE DISCHARGE AIR TEMPERATURE RISES ABOVE 80

DEGF. THE LOW LIMIT ALARM WILL OCCUR WHEN THE

TEMPERATURE FALLS BELOW 40 DEGF.

b. ALL ALARMS WILL BE ANNUNCIATED LOCALLY AT THE USER

INTERFACE PC AS WELL AS REMOTELY BY PAGER OR EMAIL, IF

DESIRED BY THE END USER.

B. OCCUPIED MODE

1. SUPPLY FAN/EXHAUST FAN/ENTHALPY WHEEL

a. THE OUTSIDE AIR (OA) INTAKE DAMPER SHALL OPEN.

b. WHEN THE DAMPER IS PROVEN OPEN, THE SF AND THE EF SHALL

START.

c. WHEN THE SF AND EF ARE PROVEN ON, THE ENTHALPY WHEEL

SHALL START.

d. THE SF, EF, AND ENTHALPY WHEEL SHALL RUN CONTINUOUSLY

DURING THE OCCUPIED MODE.

2. COOLING COIL/POST HEATING COIL

a. WHEN THE SF IS OFF, THE ELECTRIC POST HEATING COIL AND

THE COMPRESSORS SERVING THE DX COOLING COIL SHALL BE

OFF. BOTH THE HEATING COIL AND THE COOLING COIL SHALL BE

ENABLED WHEN THE SF IS PROVEN ON.

b. ONCE ENABLED, THE ELECTRIC POST HEATING COIL AND THE DX

COOLING COIL SHALL BE SEQUENCED TO MAINTAIN THE

DISCHARGE AIR TEMPERATURE AT A SETPOINT OF 65 DEGF

(ADJ.).

c. SUFFICIENT ON AND OFF TIMES, DETERMINED DURING

COMMISSIONING, WILL BE INCORPORATED INTO THE CONTROL

LOGIC TO PREVENT SHORT CYCLING AND INTERFERENCE

BETWEEN THE HEATING AND COOLING COILS.

3. ENTHALPY WHEEL FROST CONTROL/PRE-HEATING COIL

a. WHEN THE SF OR EF IS OFF OR THE DIFFERENTIAL PRESSURE

ACROSS THE EXHAUST SIDE OF THE ENTHALPY WHEEL IS BELOW

0.05 IN WC, THE ELECTRIC PRE-HEATING COIL SHALL BE OFF.

THE COIL SHALL BE ENABLED WHEN BOTH THE SF AND EF ARE

PROVEN ON AND THE DIFFERENTIAL PRESSURE EXCEEDS 0.1 IN

WC FOR FIVE (5) MINUTES.

b. ON A CALL TO OPERATE, THE TWO (2) STAGES OF THE ELECTRIC

PRE-HEAT COIL SHALL BE SEQUENCED ON UNTIL THE

DIFFERENTIAL PRESSURE FALLS BELOW 0.05 IN WC.

A. UNOCCUPIED MODE

1. DURING THE UNOCCUPIED MODE, THE SF, EF, ENTHALPY WHEEL,

AND ALL HEATING AND COOLING COILS SHALL BE OFF.

2. THE UNOCCUPIED SPACE TEMPERATURE CONTROL SHALL BE DONE

BY THE VRF SYSTEM CONTROLS.

III. FAN-COIL UNITS FCU-1, 2, 3, 4, 5A, 5B/CONDENSING UNITS CU-1, 2, 3, 4, 5A, 5B

A. THE FAN-COIL UNITS WILL BE CONTROLLED BY A LOCAL THERMOSTAT.

B. THE FAN-COIL UNITS WILL NOT BE CONNECTED TO THE BMS.

C. A TEMPERATURE SENSOR IN EACH ROOM SERVED A FAN-COIL UNIT

WILL BE MONITORED BY THE BMS.

D. IF THE ROOM TEMPERATURE RISES ABOVE 85 DEGF (ADJ.), A HIGH

TEMPERATURE ALARM WILL BE ANNUNCIATED BY THE BMS. IF THE

ROOM TEMPERATURE FALLS BELOW 60 DEGF, A LOW

TEMPERATURE ALARM WILL BE ANNUNCIATED BY THE BMS.

E. ALL ALARMS WILL BE ANNUNCIATED AT THE USER INTERFACE PC AS

WELL AS REMOTELY BY PAGER OR EMAIL, IF DESIRED BY THE END

USER.

IV. MAKE-UP AIR UNIT MUA-1/LOUVER L-4

A THE MUA WILL BE DIRECTLY CONTROLLED BY A LOCAL,

MANUFACTURER PROVIDED CONTROLLER THAT WILL COMMUNICATE

TO THE BMS OVER THE LON NETWORK.

B THE BMS SHALL HAVE THE CAPABILITY TO START AND STOP THE UNIT

AND CHANGE THE DAT SETPOINT.

C UNIT MUA-1 WILL OPERATE CONTINUOUSLY. IT WILL ONLY STOP

WHEN AN INTERNAL UNIT SAFETY TRIPS OR IT IS MANUALLY SHUT

DOWN FOR MAINTENANCE PURPOSES.

D ON A CALL TO OPERATE, THE LOCAL CONTROLLER SHALL OPEN ITS OA

INTAKE DAMPER. ONCE THE DAMPER HAS BEEN PROVEN OPEN, THE

CONTROLLER SHALL START THE MUA-1 SF.

E ONCE THE SF HAS BEEN PROVEN ON, THE LOCAL CONTROLLER SHALL

CONTROL THE HEATING COIL TO MAINTAIN THE DAT AT A SETPOINT OF

65 DEGF (ADJ.).

F LOUVER L-4 WILL BE INTERLOCKED TO OPEN WHEN THE MUA-1 SF IS

ON. IT WILL CLOSE WHEN THE SF IS OFF.

G ALARMS

1. THE FOLLOWING MUA ALARMS WILL BE MONITORED AND

ANNUNCIATED BY THE BMS:

a. INTERNAL MUA ALARMS

1) INTERNAL ALARMS GENERATED BY THE MUA

MANUFACTURER'S CONTROL SYSTEM SHALL BE ANNUNCIATED

BY THE BMS.

2) SEE THE MANUFACTURER'S LITERATURE FOR A LIST OF THE

SYSTEM ALARMS.

b. SF FAILURE

1) A SF FAILURE ALARM OCCURS WHENEVER THE FAN IS

COMMANDED TO START BY THE MUA CONTROLLER AND THE

SUPPLY FAN STATUS PROVING SWITCH DOES NOT INDICATE

THAT THE FAN IS OPERATING WITHIN 10 SECS.

2) WHEN A SF FAILURE ALARM OCCURS, THE OUTSIDE AIR (OA)

INTAKE DAMPER SHALL CLOSE.

c. HIGH AND LOW LIMIT DISCHARGE AIR TEMPERATURE ALARMS

WILL BE ANNUNCIATED. THE HIGH LIMIT ALARM WILL OCCUR

WHEN THE DISCHARGE AIR TEMPERATURE RISES ABOVE 80

DEGF. THE LOW LIMIT ALARM WILL OCCUR WHEN THE

TEMPERATURE FALLS BELOW 40 DEGF.

2. ALL ALARMS WILL BE ANNUNCIATED LOCALLY AT THE USER

INTERFACE PC AS WELL AS REMOTELY BY PAGER OR EMAIL, IF

DESIRED BY THE END USER.

V. EXHAUST FANS EF-1, EF-2/LOUVER L-1, L-2

A. EXHAUST FANS EF-1 AND EF-2 WILL BE MONITORED AND CONTROLLED

BY THE BMS.

B. THE FANS WILL BE CYCLED TO MAINTAIN THEIR RESPECTIVE SPACE

TEMPERATURE AT A SETPOINT OF 85 DEGF (ADJ.).

C. LOUVER L-1 AND L-2 WILL BE INTERLOCKED TO OPEN WHEN THEIR

RESPECTIVE EF STARTS. THEY WILL CLOSE WHEN THEIR RESPECTIVE

EF STOPS.

D ALARMS

1. THE FOLLOWING EF ALARMS WILL BE MONITORED AND

ANNUNCIATED BY THE BMS:

a. EF FAILURE

1) AN EF FAILURE ALARM OCCURS WHENEVER THE FAN IS

COMMANDED TO START BY THE CONTROLLER AND THE

EXHAUST FAN STATUS PROVING SWITCH DOES NOT INDICATE

THAT THE FAN IS OPERATING WITHIN 10 SECS.

2) WHEN AN EF FAILURE ALARM OCCURS, ITS ASSOCIATED

LOUVER SHALL CLOSE.

b. A HIGH SAT ALARM WILL BE ANNUNCIATED. THE HIGH LIMIT

ALARM WILL OCCUR WHEN THE SAT RISES ABOVE 100 DEGF.

2. ALL ALARMS WILL BE ANNUNCIATED LOCALLY AT THE USER

INTERFACE PC AS WELL AS REMOTELY BY PAGER OR EMAIL, IF

DESIRED BY THE END USER.

VI. EXHAUST FAN EF-3/LOUVER L-3

A THE RUN STATUS OF EXHAUST FAN EF-3 WILL BE

MONITORED BY THE BMS.

B THIS FAN WILL RUN CONTINUOUSLY.

C IF THIS FAN STOPS, AN ALARM WILL BE ANNUNCIATED

THROUGH THE BMS.

D LOUVER L-3 WILL OPEN THROUGH A HARD-WIRED

INTERLOCK WHEN EF-3 STARTS. L-3 WILL CLOSE WHEN EF-3 STOPS.

VII. EXHAUST FANS EF-14, 15, 16, 17/LOUVER L-18

A THE TEMPERATURE IN MECHANICAL ROOM 204 WILL BE CONTROLLED

BY THE BMS TO MAINTAIN A ROOM TEMPERATURE SETPOINT OF 50

DEGF (ADJ.).

B THE ROOM WILL BE COOLED BY FOUR (4) EF'S AND THEIR

ASSOCIATED MOTOR OPERATED DAMPERS (MOD) ON

LOUVER L-18.

C THE ROOM WILL BE HEATED BY A ZONE DAMPER SERVED BY MUA-1.

D ON A CALL FOR COOLING, IF THE HEATING IS OFF, THE FIRST EF

SHALL START AND ITS ASSOCIATED MOD SHALL OPEN. THE

REMAINING EF'S AND THEIR ASSOCIATED MOD'S WILLOPEN IN

SEQUENCE TO MAINTAIN THE ROOM TEMPERATURE SETPOINT.

E ON A CALL FOR HEAT, IF ALL OF THE EF'S ARE OFF, THE VAV BOX

DAMPER SHALL MODULATE OPEN TO MAINTAIN THE ROOM

TEMPERATURE SETPOINT.

F SUFFICIENT ON AND OFF TIMES, DETERMINED DURING

COMMISSIONING, WILL BE INCORPORATED INTO THE

CONTROL LOGIC TO PREVENT SHORT CYCLING OF THE EF'S.

G ALARMS

1. THE FOLLOWING EF ALARMS WILL BE MONITORED AND

ANNUNCIATED BY THE BMS:

a. EF FAILURE

1) AN EF FAILURE ALARM OCCURS WHENEVER THE FAN IS

COMMANDED TO START BY THE CONTROLLER AND THE

EXHAUST FAN STATUS PROVING SWITCH DOES NOT INDICATE

THAT THE FAN IS OPERATING WITHIN 10 SECS.

2) WHEN AN EF FAILURE ALARM OCCURS, ITS ASSOCIATED

LOUVER SHALL CLOSE.

b. HIGH AND LOW SAT ALARMS WILL BE ANNUNCIATED BY THE BMS.

THE HIGH LIMIT ALARM WILL OCCUR WHEN THE SAT RISES

ABOVE 100 DEGF. THE LOW LIMIT ALARM WILL OCCUR WHEN THE

SAT DROPS BELOW 40 DEGF.

2. ALL ALARMS WILL BE ANNUNCIATED LOCALLY AT THE USER

INTERFACE PC AS WELL AS REMOTELY BY PAGER OR EMAIL, IF

DESIRED BY THE END USER.

VIII. DE-HUMIDIFIER DH-1

F DE-HUMIDIFIER DH-1 WILL BE CONTROLLED BY A LOCAL HUMIDISTAT.

G THE DE-HUMIDIFIER WILL NOT BE CONNECTED TO THE BMS.

H A HUMIDITY SENSOR IN THE ARMS VAULT WILL BE MONITORED

BY THE BMS.

I IF THE ROOM HUMIDITY RISES ABOVE 70% (ADJ.), A HIGH HUMIDITY

ALARM WILL BE ANNUNCIATED BY THE BMS AT THE USER INTERFACE

PC AS WELL AS REMOTELY BY PAGER OR EMAIL, IF DESIRED BY

THE END USER.

IX. ELECTRIC UNIT HEATER EUH-1

A. ELECTRIC UNIT HEATER EUH-1 WILL BE CONTROLLED BY A UNIT

MOUNTED THERMOSTAT TO MAINTAIN ITS SETPOINT.

THE ELECTRIC UNIT HEATER WILL NOT BE CONNECTED TO THE BMS.

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CONTROL PANEL 1 (MECH RM 121A)

CONTROL PANEL 2 (MECH RM 204)

00-M-805