MMHVAC-SA1
MMHVAC-SA1
HEATING VENTILATING SYSTEM: SEMI-ANNUAL INSPECTION HEATING AND COOLING
AIR COMPRESSOR
1. ( ) DRAIN TANK AND CHECK TRAPS
2. ( ) CHANGE COMP. OIL AND CHECK PRESSURE
3. ( ) CHECK BELT(S), REPLACE AS REQ'D.
4. ( ) CHANGE INTAKE FILTERS AS REQ'D.
5. ( ) CHECK UNLOADERS AND CHECK VALVES
6. ( ) CHECK PRESSURE SAFETY VALVE
7. ( ) CHECK MOTOR OPERATING CONDITIONS AND LUBE
8. ( ) CHECK P.E. SWITCH, STARTER AND ALTERNATOR
9. ( ) RECORD COMP. RUN TIME, IF EXCESSIVE - CHECK FOR
LEAK(S)
REFRIGERATED AIR DRYER
1. ( ) CHECK REFRIGERANT PRESSURE (33#)
2. ( ) CHECK REFRIGERANT TEMPERATURE (35oF)
3. ( ) CLEAN CONDENSER COIL AND COVER GRILL
4. ( ) CHECK DRAIN TRAP AND BYPASS VALVES
FILTER AND PRESSURE REDUCING STATION
1. ( ) CHECK FILTERS - REPLACE AS REQ'D.
2. ( ) CHECK OIL FILTER - REPLACE AS REQ'D.
3. ( ) CHECK PRESSURE REDUCING VALVE SETTINGS
4. ( ) CHECK LOW PRESSURE SAFETY VALVE
ALTERNATOR
1. ( ) CHECK OPERATION AND SETTING
2. ( ) CHECK ALL ELECTRICAL CONNECTIONS
BOILER, CHILLER, CONVERTOR, PUMPS AND ZONE VALVES
1. ( ) CALIBRATE ALL CONTROLLERS
2. ( ) CALIBRATE ALL TRANSMITTERS AND RECEIVER GAUGES
3. ( ) CHECK ALL P.E. SWITCHES
4. ( ) CHECK ALL CONTROL VALVES-REPACK THOSE ON REPACK
SCHED. REPACK LEAKING VALVES AND RECORD ALL REPACK
DATES
5. ( ) CHECK ALL PILOT POSITIONERS
6. ( ) CHECK ALL AUXILIARY CONTROL DEVICES
FAN SYSTEMS AND HVAC UNIT CONTROLS
1. ( ) REVIEW SEQUENCE OF OPERATION
2. ( ) CHECK ALL DAMPERS AND LUBE W/SILICONE BASED
LUBRICANT
3. ( ) CHECK PILOT POSITIONERS
4. ( ) CHECK ALL CONTROL VALVES-REPACK THOSE ON REPACK
SCHED. REPACK LEAKING VALVES AND RECORD ALL REPACK
DATES
5. ( ) CALIBRATE ALL CONTROLLERS
6. ( ) CALIBRATE ALL TRANSMITTERS AND RECEIVER GAUGES
7. ( ) CHECK SOLENOID AIR VALVES, P.E. SWITCHES & AIR
VALVES
8. ( ) CHECK ALL AUXILIARY CONTROL DEVICES
9. ( ) PERFORM HOUSEKEEPING ON CONTROL PANELS.
MATERIALS REQUIRED
BELTS, SUCTION FILTERS, OIL FILTERS, PARTICLE FILTERS, OIL LUBRICANTS, GREASE, DRAIN TRAP GASKETS, CLEAN-UP MATERIALS