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UNIT

564A/764A

ELECTRICAL

CHARACTERISTICS

UNIT

WEIGHT

CENTER OF GRAVITY mm [in.]

Lb

Kg

X

Y

Z

042

208/230-1-60, 208/230-3-60 297 135 355.6 [14.00] 508.0 [20.00] 304.8 [12.00]

048

208/230-1-60, 208/230-3-60 310 114 355.6 [14.00] 508.0 [20.00] 304.8 [12.00]

LEGEND

NEC — National Electrical Code

REQUIRED CLEARANCES TO COMBUSTIBLE
MATERIAL, mm [in.]
Top of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Duct Side of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 0
Side Opposite Ducts . . . . . . . . . . . . . . . . . . . . . . . . 0
Bottom of Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0

NEC REQUIRED CLEARANCES, mm [in.]
Between Units, Power Entry Side

. . . . . . . 1066.8 [42.00]

Unit and Ungrounded Surfaces,

Power Entry Side . . . . . . . . . . . . . . . . . 914.0 [36.00]

Unit and Block or Concrete Walls and Other

Grounded Surfaces, Power Entry Side . . . . 1066.8 [42.00]

REQUIRED CLEARANCES FOR SERVICING, mm [in.]
Condenser Coil Access Side . . . . . . . . . . . . 762.0 [30.00]
Power Entry Side

(Except for NEC Requirements) . . . . . . . . . 762.0 [30.00]

Unit Top . . . . . . . . . . . . . . . . . . . . . . . . 914.0 [36.00]
Side Opposite Ducts . . . . . . . . . . . . . . . . . 762.0 [30.00]

NOTES:
1. Clearances must be maintained to prevent recirculation of

air from condenser-fan discharge. With the exception of the
condenser coil (914 mm [36 in.]), a removable fence or bar-
ricade requires no clearance.

2. Dimensions are in millimeters. Dimensions in [

] are in inches.

Fig. 3 — Base Unit Dimensions — 564A/764A042,048

—3—

Summary of Contents for 764A

Page 1: ...al words DANGER WARNING and CAUTION These words are used with the safety alert symbol Danger identifies the most serious hazards which will result in severe personal injury or death Warning indi cates...

Page 2: ...ts Power Entry Side 1066 8 42 00 Unit and Ungrounded Surfaces Power Entry Side 914 0 36 00 Unit and Block or Concrete Walls and Other Grounded Surfaces Power Entry Side 1066 8 42 00 REQUIRED CLEARANCE...

Page 3: ...6 8 42 00 Unit and Ungrounded Surfaces Power Entry Side 914 0 36 00 Unit and Block or Concrete Walls and Other Grounded Surfaces Power Entry Side 1066 8 42 00 REQUIRED CLEARANCES FOR SERVICING mm in C...

Page 4: ...rfaces Power Entry Side 914 0 36 00 Unit and Block or Concrete Walls and Other Grounded Surfaces Power Entry Side 1066 8 42 00 REQUIRED CLEARANCES FOR SERVICING mm in Condenser Coil Access Side 762 0...

Page 5: ...rance of 36 in between the control box side of the unit and any electrically live parts Unit may be installed on wood flooring or on Class A B or C roof covering materials Although unit is weatherproo...

Page 6: ...ditioning and Refrigeration Institute rated airflow at a velocity of 300 ft min for throwaway type or 450 ft min for high capacity type Recommended filters are 1 in thick If the installation requires...

Page 7: ...rilling the duct system fastening holes into the side of the unit for duct flanges do not drill deeper than 3 4 in and use extreme care not to puncture the coil or coil tubes See Fig 11 2 Use flexible...

Page 8: ...of improper voltage and or phase imbalance 4 Insulate low voltage wires for highest voltage con tained within conduit when low voltage control wires are run in same conduit as high voltage wires 5 Do...

Page 9: ...y as described in Special Proce dures for 208 V Operation section on page 11 Accessory Electric Heat Wiring Refer to accessory electric heat installation instructions for information on installing acc...

Page 10: ...9 32 11 3 15 0 31 3 36 1 44 3 50 4 45 60 41 46 15 0 20 0 41 7 48 1 57 4 65 4 60 70 53 60 060 230 1 60 207 254 26 9 128 0 1 4 6 2 41 2 50 40 141 5 0 20 8 41 2 50 40 10 0 41 7 59 8 60 55 15 0 62 5 85 9...

Page 11: ...ed accessories should be installed on the unit Refer to separate accessory installation instructions PRE START UP WARNING Failure to observe the following warn ings could result in serious personal in...

Page 12: ...or heat has been satisfied the evaporator fan will stop For units equipped with time delay relay evaporator fan will stop after a 30 second time delay To shut off unit set system selector switch at OF...

Page 13: ...mended airflow is 350 to 450 cfm per each 12 000 Btuh of rated cooling capacity Table 3 shows dry coil air delivery for horizontal discharge units WARNING Disconnect electrical power to the unit be fo...

Page 14: ...personal injury can result from sharp edges etc 3 Never place anything combustible either on or in con tact with the unit 4 Should overheating occur shut off all of the electri cal supply s I AIR FIL...

Page 15: ...l volume of filter drier NOTE See Adjusting Refrigerant Charge on page 16 C Condenser Coil Evaporator Coil and Condensate Drain Pan WARNING Be careful Coil fins are sharp Protect hands with gloves whe...

Page 16: ...rant system is factory charged When recharging is necessary weigh in total charge indicated on unit name plate Remove and recover any refrigerant remaining in system before recharging If system has lo...

Page 17: ...Fig 19 Cooling Charging Chart 564A 764A024 Fig 20 Cooling Charging Chart 564A 764A030 Fig 21 Cooling Charging Chart 564A 764A036 Fig 22 Cooling Charging Chart 564A 764A042 17...

Page 18: ...Fig 23 Cooling Charging Chart 564A 764A048 Fig 24 Cooling Charging Chart 564A 764A060 18...

Page 19: ...er fan motor or capacitor Replace Restriction in refrigerant system Locate restriction and remove Compressor operates continuously Dirty air filter Replace filter Unit undersized for load Decrease loa...

Page 20: ......

Page 21: ......

Page 22: ...n Overview Maintenance Operating Sequence A large selection of product theory and skills programs is available All programs include a video cassette and or slides and a companion booklet Use these for...

Page 23: ......

Page 24: ...NS AND TERMINALS FOR TIGHTNESS M VERIFY THAT UNIT INSTALLATION IS LEVEL M CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE L1...

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