A01_PWS_Annex_B_HVAC_Equipment.pdf

PWS ANNEX B: HVAC MAINTENANCE REQUIREMENTS

PREVENTATIVE MAINTENANCE ITEMS:

The items listed below is at a minimum( not all inclusive) of the items to be checked, cleaned, replaced, maintained, adjusted, upgraded as required per manufactures specifications and maintenance plan. Refer to Annex A for list of equipment and control devices to be checked as part of the chiller system.

HVAC SYSTEM:

a. Chillers

b. Cooling Towers

c. Boilers

d. Heat Exchangers

e. Pumps

f. Air Handling Units (AHU’s)

g. Computer Room Cooling Units (CRU’s)

h. Fans (return, exhaust, supply fans)

i. Blower Coil Units

j. Chilled Beam Units

k. Variable Speed Drives (VFD’s or VSD’s)

l. Unit Heaters and Cabinet Heaters

m. Testing, Adjusting and Balancing work

n. Building Automation System (controlled devices, control loops and system integration)

ELECTRICAL SYSTEMS:

a. Lighting Controls (as appropriate)

b. New Generator (as appropriate)

DOMESTIC WATER SYSTEMS

a. Piping Systems

b. Water Heaters

c. Pumping Systems

PERFORMANCE MAINTENANCE (AT A MINIMUM-NOT ALL INCLUSIVE)

a. REPORT TO COR UPON ARRIVAL

b. REVIEW AND EVALUATE LOG READINGS

c. LUBRICATE EQUIPMENT AS NEEDED

d. LEAK TEST ENTIRE UNIT

e. CALIBRATE OPERATING CONTROLS

f. CHECK STARTER WIRING AND CONTACT

g. TIGHTEN ELECTRICAL CONNECTIONS

h. CHECK GAUGES/INDICATOR LIGHTS

i. CALIBRATE CONTROLS AND VOLTAGE

j. REPLACE OIL FILTER (if necessary)

k. CALIBRATE FLOW SWITCHES/DEVICES

l. INSPECT CONTACTORS

m. LUBRICATE EQUIPMENT (as required)

n. RESTORE POWER (if shut down was needed and approved- need government approval for shut down)

o. CLEAN UP WORK STATION

p. CLEAN CONDENSER TUBES (as required)

q. CLEAN BRUSH EVAPORATOR TUBES

r. CHANGE FILTER DRIERS (as required)

s. REMOVE OIL SAMPLE FOR ANALYSIS

t. CHANGE OIL (as required)

u. INSPECT DRAIN PANS AND PIPING

v. INSPECT DRIVE BELTS (replace as necessary)

w. CHECK MOTOR DRIVE CONDITION

x. CHECK SHEAVES

y. CHECK FASTENERS

z. CHECK ELECT CONNECTIONS

aa. CHECK SHAFT ALIGNMENT OF EQUIPMENT

bb. INSPECT AIR SEPARATOR/EXT TK

cc. CHECK MOTOR COUPLING CONDITION

dd. CLEAN SEAL PUMP SUMP

ee. CHECK SEALS FOR LEAKS

ff. CLEAN STRAINER

gg. TIGHTEN AND BOLTS, NUTS, FASTENERS, STRAPS, ETC.

hh. INSPECT AND REPORT VFD status and configuration

ii. INSPECT AND REPORT, CONFIGURATION

jj. INSPECT AND REPORT ON CONDITION

PERFORMANCE OPERATING INSPECTION (AT A MINIMUM-NOT ALL INCLUSIVE)

a. REPORT TO COR UPON ARRIVAL

b. CHECK GENERAL MACHINE OPERATION

c. CHECK ELECTRICAL COMPONENTS

d. CHECK CONTROL, POWER AND PIPING

e. CHECK REFRIGERANT CHARGE

f. CHECK SAFETY/OPERATING CONTROLS

g. CHECK GAUGES/INDICATOR LIGHTS

h. LOG CHW/BRINE IN TEMPERATURE

i. LOG CHW/BRINE OUT TEMPERATURE

j. LOG CHW/BRINE FLOW DELTA P

k. LOG CHW/BRINE PUMP DELTA P

l. LOG COND WATER TEMP-IN

m. LOG COND WATER TEMP-OUT

n. LOG COOLER REFRIGERANT PRESSURE

o. LOG COOLER REFRIGERANT TEMP

p. LOG OIL LEVEL AND COLOR

q. LOG OIL SUPPLY PRESSURE

r. INSPECT INTERNALS

s. INSPECT ALL DEVICES

t. CHECK BELTS (replace as necessary)

u. CHECK BELT TENSIONERS (adjust as necessary)

v. CHECK WATER FLOW

w. CHECK SUMP

x. CHECK MAKEUP VALVE CONDITION

y. CHECK FOR LEAKS

z. CHECK FOR UNUSUAL VIBRATION

aa. CHECK SURFACE TEMPERATURE

bb. INSPECT SEALS AND PACKING LEAK

cc. INSPECT SEAL WATER/SOLUTION VALVE

dd. CHECK GENERAL OPERATING CONDITION

ee. INSPECT ALL DRAIN PANS AND PIPING

ff. CHECK VFD

gg. CHECK APPROACHES THOUGHT CALCULATION

hh. LUBRICATE AS NEEDED

ii. MAKE EQUIPMENT ADJUSTMENTS AS REQUIRED

jj. MAKE OPERATION CONTROL ADJUSTMENTS A/R

kk. CLEAN UP WORK STATION

ll. REPORT TO COR, ADVISE & OBTAIN SIGNATURE

mm. SEND ELECTRONIC REPORT TO COR WITHIN 5 BUSINESS DAYS

ADDITIONAL ITEMS TO BE CHECKED, SERVICED, AND MAINTAINED

a. SOFTWARE UPGRADES AS REQUIRED

b. VFD ANALYSIS USING LF V 2.0 UTILITY AND SUBMIT REPORT TO COR

c. CARRIER SERVICE ENGINEERING LOAD LINE ENGINEERING REPORT—PERFORMED BY

CARRIER CORP. OR AUTHORIZED VENDOR—SUBMIT REPORT TO COR

Verify that all oil, lubricants, chemicals are within their specified temperatures, viscosity and cleanliness from debris and are full for optimal performance- add, adjust, clean, replace-etc. as necessary to maintain standard.

Verify entire system is up to full compliance per the manufacturer’s specifications and maintenance plan.