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ComfortStar LUC6 Series Installation Instructions Manual

R454b, fixed speed 1.5&2&2.5&3&3.5&4&5 tons
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INSTALLATION INSTRUCTIONS
Air Handler Unit
Model Size:
Fixed Speed 1.5&2&2.5&3&3.5&4&5 Tons
R454B
rn
尸勹
:
A.�!!I
®
CERTIFIED

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Summary of Contents for ComfortStar LUC6 Series

  • Page 1 INSTALLATION INSTRUCTIONS Air Handler Unit Model Size: Fixed Speed 1.5&2&2.5&3&3.5&4&5 Tons R454B 尸勹 A.�!!I ® CERTIFIED...

  • Page 3: Table Of Contents

    CONTENTS 1. Symbol and Key to Safety lnstructions.............. 01 2. General......................09 3. Application......................13 4. Electrical Wiring....................22 5. Airflow Performance..................25 6. Ductwork......................29 7. Refrigerant Pipe Connection................30 8. Air Filter (Not Factory Installed)................. 33 9. Installation Size of Filter..................34 10.

  • Page 4: Symbol And Key To Safety Lnstructions

    1. Symbol and Key to Safety Instructions 1. 1 Symbol Keywords The warnings in this document are identified by warning triangles printed on a black background. The keyword at the beginning of the WARNING warning indicates the type and severity of the risk if no measu es are 「...
  • Page 5 1.2 Safety Please Read Before Continuing. Warning: • The unit must be installed by qualified personnel with a capability certificated for han­ dling R454B refrigerant. Refer to regulation and laws in use on installation location. • This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible fo门hei...
  • Page 6 Warning: Fire, electric shock, property damage, personal injury or death • The whole installation process must comply with NATIONAL, STATE AND LOCAL CODES. If you need more information, please contact your local dealer. • Dispose of properly in acco dance with fede al o |ocal regulations.
  • Page 7 This symbol that this appliance used a flammable refrigerant. If the refriger- WARNING ant is leaked and exposed to an external ignition source, there is a risk of �A2L fire. 二 This symbol that the operation manual should be read carefully. CAUTION 卫...
  • Page 8 1.3 Safety precautions for R454B refrigerant Warning: • Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. • The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater.
  • Page 9 the site of installation, repairing, removing and disposal, during which refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks. "No Smoking" signs shall be displayed.
  • Page 10 The following leak detection methods are deemed acceptable for all refrigerant systems. Electronic leak detectors may be used to detect refrigerant leaks but, in the case of FLAMMABLE RE­ FRIGERANTS, the sensitivity may not be adequate, or may need re-calibration. (Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used.
  • Page 11 Decommissioning Before ca ying out this procedu e, it is essential that the technician is completely familiar with the equip­ 「 斤 ment and all its detail. It is recommended good practice that all refrigerants are recovered safely. Prior to the task being car ied out, an oil and ant sample shall be taken in case analysis is required p...

  • Page 12: General

    2. General The device can return air at the bottom at the upward airflow position, return air from left to right at the horizontal position and return air at the top at the downward airflow position. This air handler provides the flexibility to be installed in any upward, downwa d or ho izontal airflow ap­...
  • Page 13 Note: • As shown in Figure 2.1, the installed device must have the required clearance. Failure to follow these instructions may result in equipment damage and/or premature equip­ ment failure. Warning: Fire risk • Keep flammable materials and vapors (such as gasoline) away f om air handle s.
  • Page 14 矗 Dra in pipin g Auxiliary drain p an Dra in pip in g Figure 2.4 Horizontal installation on the left side Figure 2.5 Vertical downward airflow installed STRAPS REAR WATER CATCHER TOP AIR STOP HORIZONTAL DRAIN KIT SENSOR T2 LOCATION SENSOR T1 LOCATION FRONT WATER CATCHER DRAIN CONNECTION...

  • Page 15: Unit Dimension

    2.2 Unit Dimension 田 The f o nt of the u n it e qu i e sa clea a nce of 25 inches fo the maintenance of filte s and 「 「 「 「 「 「 coils. METAL PARTS INSTALLATON BENDING 90 DEGREES FLANGES ARE PROVIDED FOR FIELD INSTALLATION...

  • Page 16: Application

    3. Application 3.1 Vertical Upward Airflow • The vertical upward airflow configuration is the factory default configuration of all models (see Figure 2. 7 ). • If the return air is to be ducted, the duct should be installed flush with the ground. Use 1/8 to 1/4 inch thick fireproof elastic gasket between ducts, unit and floor.
  • Page 17 3.2 Vertical Downward Airflow Convert to Vertical Downward airflow Position: The vertical upward airflow position can be converted into the vertical downward airflow position. Remove the coil (evaporator) access panel and coil, and reinstall it by rotating 180 ° from the original position. See Figure 3.2 and 3.4.
  • Page 18 Steps to Change Cabinet Direction to Vertical Downward or Horizontal Left Direction 1. Remove the sc ews and the f ant panel, and disconnect the plug of T1 senso T2 sensor and leak de­ 「 「 八 tection sensor wire from the circuit board (Figure 3.3, Step 1). 2.
  • Page 19 Make sure that the fixing groove Detail A is fully engaged with the coil guide「ail. Rail 曰 AIRFLOW 丘 一 Figure 3.4 Vertical downward and horizontal left application Note: • Horizontal units must be configured for right hand air supply or left hand air supply. Hori­ zontal drain pan must be located unde indoor coil.
  • Page 20 3.5 Steps to replacing the leak detection sensor GENERAL SPECIFICATIONS of LEAK DETECTION SENSOR: MODEL: RGD-02TL 11 MINIMUM LIFETIME: 15 YEARS It needs to be replaced with the same model. If in doubt, please consult the manufacturer for assistance. 1. Remove the screws and the front panel, and disconnect the plug of leak detection sensor wire from the circuit board (Figure 3.5, Step 1).
  • Page 21 3.6 Precautions for four-way installation ＾ ＾ UP FLOW INSTALLATION ［ 乙 － － PRIMARY DRAIN The drain hose shoul d form a ben d as shown in the picture Figure 3.6-2 INSTALLATION NOTES: 1. Plug the unused drain holes with the plugs provided in the accessory bag comes with the unit.
  • Page 22 3. 7 Installation room size rules The installation mode needs to be performed in the following way. Minimum room height, 2.2 m (7.22 ft) (if applicable). Minimum room area (operating or storage), 20.28 m and 218.17 ft气 Note: For minimum room areas at higher installation heights, see instructions (note is optional). Installation method: Make sure that the applied room space area TA is larger than the TA min.
  • Page 23 30KAC 30KHP Refrigerant Refrigerant Piping length Piping length TA m in ( ft2 )/( m TA m in ( ft2 )/( m perfusio n ( oz )/( k g) perfus i o n ( oz )/( k g) ( ft )/( m ) ( ft )/( m ) 25/ (7.62) 116.40 / (3.3)
  • Page 24 60KAC 60KHP Refrigerant Refrigerant Piping length Piping length TA m in ( ft2 )/( m TA m in ( ft2 )/( m perfusio n ( oz )/( k g) perfusio n ( oz )/( k g) ( ft )/( m ) ( ft )/( m ) 25/ (7.62) 165.78 I (4.7)

  • Page 25: Power Supply Wiring

    4. Electrical Wiring The wiring on site must comply with the National Electric Code (C.E.C. in Canada)and any applicable local regulations. Warning: Electric shock • Before installation or maintenance, please disconnect all power supply of the device. More than one disconnect switch may be required to cut off the power of the equipment. Dangerous voltage can cause serious personal injury or death.

  • Page 26: Electrical Data

    • When installed acco ding to existing electrical codes, g ounding can be through wires o metal conduc­ 「 「 「 「 •G ounding can also be achieved by connecting the g ounding wire to the g ound lug ( ground lug ) on 「...
  • Page 27 ． ． ． ． ． ． ． ． ． ． CHE6A-01 3.8/5 19.66/21.74 25/29 ． ． ． ． CHE6A-02 5.6/7.5 29.50/32.61 37/43 CHE6A-03 ． ． ． 39.32/43.48 50/57 7.5/10 (5.6+5.6) ． ． ． ． ． CHE6A-04 29.50+ 29.50/32.61 +32.61 37+37/43+43 40/40 45/45 /(7.5+7.5)

  • Page 28: Airflow Performance

    Warning: • This product is used with A2L type refrigerant, the electric heater must meet the requi ements of the UL 60335-2-40 standard for A2L type igerant. 「 「 「 • The electric heating must be installed by qualified personnel. Refer to current regula­ tions and laws fo installation location.
  • Page 29 SCFM 955.3 897.8 839.5 739.4 655.3 575.9 511.5 432.4 392.2 Tap ( 1 ) Watts SCFM 1080.7 1031.5 977.4 925.6 819.4 743.8 675.5 608.7 547.1 Tap ( 2 ) Watts SCFM 1182.2 1138.1 1089.0 1042.9 986.9 879.5 811.4 749.5 689.2 Tap ( 3 ) Watts SCFM...
  • Page 30 Note: 1. The advanced airflow must be used as the rated airflow for the full-load operation of the machine. 2. The rated airflow of a system without an electric heater kit equires 300 to 450 cubic feet of ai 「 「...
  • Page 31 5.1.2. Indoor Coil Anti-Freezing Function The function utilizes the indoor coil sensor(T2) to determine whether the indoor coil is freezing or not. The feature prevents the unit running at low evaporating temperature as well as low suction su­ perheat. When all the following conditions are met, the Anti-Freezing Function will activate: °...

  • Page 32: Ductwork

    6. Ductwork On-site ductwo k must comply with National Fire Protection Association NFPA 90A, NFPA 908 and any 「 applicable local ordinance(s). Warning: Fire and carbon monoxide • Under no circumstances should the return ductwork be connected to any other heat-producing equipment, such as mantelpiece, stove, etc.

  • Page 33: Refrigerant Pipe Connection

    7. Refrigerant Pipe Connection Bef o e the ref ant pipe connection is completed, keep the coil sealed. Please refer to the installation, 「 「 「 operation and maintenance manual of the external machine for detailed information on refrigerant line size, duct installation and filling amount.

  • Page 34: Condensate Drain Connection

    Note: Maintain pressure with inert gas • That after completion of field piping for split systems, the field pipework shall be pres­ sure tested with an inert gas and then vacuum tested prior to refrigerant charging, The minimum test pressure for the system shall be the low side design pressure (See nameplate for detail).
  • Page 35 • Make sure that the drainage pipe will not block the inlet in front of the device. The minimum clearance required for emoval and maintenance of filte screen, coil or fan is 24 inches. 「 「 • Make sure that the machine is placed horizontally or slightly inclined to the main drain outlet, so that water can be completely drained from the machine.

  • Page 36: Air Filter (Not Factory Installed)

    8. Air Filter (Not Factory Installed) The filter is not included in the device and must be provided on site. The size of external filters or other filtering devices must meet the maximum flow rate of 300ft/min, or meet the recommended value of filter type. The application and placement of filter is very important fo airflow, which may affect the performance of 「...

  • Page 37: Installation Size Of Filter

    9. Installation Size of Filter FILTER RAILS FILTER COVER MANUAL BOLT ／ Figure 9.1 Installation of filter 田 ＿ The filter is included in the device and must be provided on site. 田 When installing the indoor unit, regardless of the installation method, make su e that the 「...

  • Page 38: Cleaning Precautions

    10. Maintenance 田 In order to keep high performance and minimize possible equipment failu es, the equip­ 「 ment must be regularly maintained. 10.1 Cleaning Precautions Warning: • Any equipment maintenance can only be carried out by qualified maintenance person­ nel.

  • Page 39: Wiring Diagram

    11. Wiring Diagram Warning: Electric shock • Before repairing or installing this device, please disconnect all power supplies. There may be multiple power sources. Otherwise, property damage, personal injury or death may result. Danger: Electric shock • The device must be properly grounded and protected by a circuit breaker or fuse. Warning: Electric shock •...
  • Page 40 Wiring for 3H and 2C thermostat 气 六 ————— —— ————— 三 曰 三 丿 口 工 工 三 � 1 芭 二 至 届 THERMOSTAT w n7 土 曰 曰 曰 � □ Note: Any time the electric heat elements are active, the indoor INDOOR UNIT OUTDOOR UNIT...
  • Page 41 「 「 ing fo 2H and 2C thermostat 曰 丿 丿 丿 工 工 三 ' --1 — 卧 i| i | ] 且 i| i| THERMOSTAT 二 a � 曰 曰 § 曰 屉 曰丿曰曰曰曰曰曰曰 Note: Any time the electric heat elements are active, the indoor INDOOR UNIT OUTDOOR UNIT...
  • Page 42 Table 11.1 Wire gauge of high voltage system Stage Single Power Voltage/frequency 208/230VAC, 60 Hz Line quantity Indoor unit power cord Wire diameter (AWG) Wire ga u ge 「 「 Line quantity Outdoor unit powe Wire diameter (AWG) Wiring diagram Transformer 厂五...
  • Page 44 802035000199 VO Design, material, performance specifications and components subject to change without notice.

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