CL-1
START-UP CHECKLIST
MODEL NO.: _____________________________________
DATE: ___________________________________________
SERIAL NO.: ______________________________________
TECHNICIAN:_____________________________________
I. PRE-START-UP:
VERIFY THAT UNIT IS LEVEL
VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT
LOOSEN ALL SHIPPING HOLDDOWN BOLTS AND REMOVE SHIPPING BRACKETS PER INSTRUCTIONS
VERIFY THAT COMPRESSOR SUSPENSION SPRINGS HAVE BEEN LOOSENED PER INSTRUCTIONS
VERIFY OPENING OF ECONOMIZER HOODS
VERIFY INSTALLATION OF EXHAUST HOODS
CONFIRM THAT TUBING FOR SPACE AND SUPPLY DUCT PRESSURES HAS BEEN INSTALLED
VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS
VERIFY THAT POWER SUPPLY MATCHES UNIT DATA PLATE
VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT
CHECK GAS PIPING FOR LEAKS (48FK,JK ONLY)
CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE
CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SET SCREWS ARE
TIGHT
VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED
OPEN SUCTION, DISCHARGE, AND LIQUID LINE SERVICE VALVES
CHECK COMPRESSOR OIL LEVEL SIGHT GLASS AND VERIFY PROPER LEVEL
VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR 24 HOURS
CHECK VOLTAGE IMBALANCE
LINE-TO-LINE VOLTS:
AB
V
AC
V
BC
V
(AB + AC + BC)/3 = AVERAGE VOLTAGE =
V
MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =
V
VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) =
%
IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM!
CALL LOCAL POWER COMPANY FOR ASSISTANCE.
II. PRELIMINARY CHECKLIST ITEMS:
CONTROL SETTINGS
DIP SWITCHES SET TO MATCH INSTALLED ACCESSORIES:
SUPPLY AIR SET POINT RESET (DIP SWITCH NO. 4 ON)
MORNING WARM-UP (DIP SWITCH NO. 4 ON)
DEMAND LIMIT (DIP SWITCH NO. 5 ON)
SUPPLY AIR SET POINT (P1) SET BETWEEN 45 AND 70 F
ECONOMIZER MINIMUM POSITION (P5) SET PER PLANS
SUPPLY AIR SET POINT RESET SETTINGS:
RESET INITIATION TEMPERATURE (P7) (TYPICALLY 68 TO 72 F)
RESET LIMIT TEMPERATURE (P3) (TYPICALLY 60 TO 70 F)
MORNING WARM-UP TEMPERATURE (TYPICALLY 50 TO 65 F)
IGV/VFD DUCT PRESSURE SET POINT PER PLANS
BUILDING PRESSURE (MODULATING POWER EXHAUST) SET PER PLANS
DEMAND LIMIT SETTINGS PER PLAN:
SINGLE STEP DEMAND LIMIT (P4) SET (TYPICALLY 25 TO 50%)
TWO-STEP DEMAND LIMIT
DLCM-P1 SET (TYPICALLY 50 TO 75%)
DLCM-P2 SET (TYPICALLY 0 TO 25%)
OCCUPIED/UNOCCUPIED SWITCH INSTALLED PER FIG. 23 (CLOSE TO START UNIT)
Содержание 48FK034
Страница 11: ...11 054 UNITS 064 074 078 UNITS 088 104 UNITS Fig 14 Thermistor T3 and T4 Locations Size 054 104 Units...
Страница 14: ...14 Fig 20 Unit Control Box Arrangement Sizes 034 048...
Страница 15: ...15 Fig 21 Unit Control Box Arrangement Sizes 054 078...
Страница 16: ...16 Fig 22 Unit Control Box Arrangement Sizes 088 and 104...
Страница 37: ...37 074 078 UNITS 054 088 UNITS 088 104 UNITS 104 UNITS Fig 43 Component Arrangement 054 104 Units 054 064 UNITS...
Страница 39: ...39 Fig 44 Modulating Power Exhaust Component Locations Sizes 034 048...
Страница 40: ...40 Fig 45 Modulating Power Exhaust Component Locations Sizes 054 104 48FK 50FK JK Shown...
Страница 59: ...59 Fig 57 Typical Wiring Schematic 48FK JK and 50FK FY JK JY Units 054 074 Shown...
Страница 60: ...60 Fig 57 Typical Wiring Schematic 48FK JK and 50FK FY JK JY Units 054 074 Shown cont...
Страница 61: ......