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INSTALLER'S GUIDE
CONDENSING UNITS
High Efficiency Air Handlers
LUC5 Series
R410a
Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future reference.
The figure shown in this manual is for reference only and may be slightly different from the actual product.
ComfortStar
®
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Related Manuals for ComfortStar LUC5 Series
Summary of Contents for ComfortStar LUC5 Series
- Page 1 ® INSTALLER’S GUIDE CONDENSING UNITS High Efficiency Air Handlers LUC5 Series R410a Thank you very much for purchasing our product. Before using your unit, please read this manual carefully and keep it for future reference. The figure shown in this manual is for reference only and may be slightly different from the actual product.
- Page 3 RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION WARNING These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment and operation of this unit. Read these instructions thoroughly before attempting installation or operation. Failure to follow these instruction may result in improper installation, adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.
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Page 4: Table Of Contents
CONTENTS 1 SAFETY 2 GENERAL Unit Dimensions 3 APPLICATIONS Vertical Upflow Vertical Downflow Horizontal Installation In An Unconditioned Space 4 ELECTRICAL WIRING Power Wiring Control Wiring Grounding Electrical Data Electric Kit Mca/mop Data 5 AIRFLOW PERFORMANCE (AIR HANDLERS ARE SUITABLE FOR MOBILE HOME APPLICATIONS) 6 DUCTWORK 7 REFRIGERANT CONNECTIONS... -
Page 5: Safety
This document is customer property and is to remain WARNING with this unit. These instructions do not cover all the different The unit must be permanently grounded. Failure variations systems nor does it provide for every possible to do so can result in electrical shock causing contingency to be met in connection with installation. -
Page 6: General
2 GENERAL CAUTION The unit can be positioned for bottom return air in the upflow position, left and right return in the horizontal Make sure the blower position, top return in downflow position. motor support is tight (3-motor mount bolts) This Air Handler provides the flexibility for installation in , then check to see if any upflow or downflow horizontal application. - Page 7 When the unit is installed in a hot and humid place, If the humidity inside the installation space might exceed 86°F and RH 80%, it is recommended to insulate the cabinet exterior. Use glass wool or polyethylene foam as insulation so that the thickness is more than 2 in. and fits inside the installation space opening.
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Page 8: Unit Dimensions
2.1 Unit Dimensions NOTE: 25” CLEARANCE IS REQUIRED IN THE FRONT OF THE UNIT FOR FILTER AND COIL MAINTENANCE. ELECTRICAL CONNECTIONS MAY EXIT TOP OR EITHER SIDE SUPPLY AIR FLANGES ARE PROVIDED FOR FIELD INSTALLATION HIGH VOLTAGE CONNECTION 7/8”, 1-3/8”, 1-3/4” DIA KNOCK OUTS LOW VOLTAGE CONNECTION BREAKER SWITCH (FOR ELECTRIC HEATER ONLY) -
Page 9: Applications
3 APPLICATIONS Replace breaker by inserting breaker mounting tab opposite white pull tab in opening, hook mounting tab over edge in opening. 3.1 Vertical Upflow With a screwdriver or pencil, pull the blue tab with hole away from breaker while setting that side of Vertical Upflow configuration is the factory set on all breaker into opening. - Page 10 ENSURE THE RETAINING CHANNEL IS FULLY ENGAGED WITH THE COIL RAIL. DETAIL A RAILS AIRFLOW RAILS Fig.3-2 VERTICAL DOWNFLOW & HORIZONTAL LEFT APPLICATIONS (lower front service panel removed “view”.) STRAPS REAR WATER CATCHER TOP AIR STOP HORIZONTAL ADAPTER KIT VAPOR LINE CONNECTION LIQUID LINE CONNECTION FRONT WATER CATCHER AUXILIARY HORIZONTAL...
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Page 11: Installation In An Unconditioned Space
Power wiring may be connected to either the right, CAUTION left side or top. Three 7/8", 1-3/8", 1-3/4" dia. concentric knockouts are provided for connection of Horizontal units must be configured for right power wiring to unit. hand air supply or left hand air supply. Horizontal drain pan must be located under indoor coil. -
Page 12: Electrical Data
4.4 Electrical Data CIRCUIT MAXIMUM CIRCUIT MODEL VOLTAGE SPEEDS HERTZ AMPS. PROTECTOR 208/230 15(A) 208/230 15(A) 30/36 208/230 15(A) 42/48 208/230 15(A) 208/230 15(A) 4.5 Electric Kit Mca/Mop Data Min. Circuit Max. Fuse or Breaker Fan speed Heater Kit Electric Ampacity (HACR) Ampacity Handler... - Page 13 Electric Heater Kits Ref.Air Handler Description CHE2-05B 5kW Heat Strip 18/24//30/36/42/48/60 CHE2-08B 7.5kW Heat Strip 18/24//30/36/42/48/60 CHE2-10B 10kW Heat Strip 18/24//30/36/42/48/60 CHE2-15B 15kW Heat Strip, double Breaker panel 30/36/42/48/60 CHE2-20B 20kW Heat Strip, double Breaker panel 36/42/48/60 5. AIRFLOW PERFORMANCE (AMERISTAR AIR HANDLERS ARE SUITABLE FOR MOBILE HOME APPLICATIONS) Airflow performance data is based on cooling performance with a coil and no filter in place.
- Page 14 CFM Wet Coil without filter and Electric Heat Motor Model External Static Pressure-Inches W.C.[kPa] Speed Number 0[0] 0.1[.025] 0.2[.050] 0.3[.075] 0.4[0.100] 0.5[0.125] 0.6[0.150] 0.7[0.175] 0.8[0.200] 1336 1310 1282 1234 1182 1140 1049 Watts Current/A 2.24 2.22 2.17 2.13 1.93 2.03 1.87 1654 1610...
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Page 15: Ductwork
6. DUCTWORK 7. REFRIGERANT CONNECTIONS Keep the coil connections sealed until refrigerant Field ductwork must comply with the National Fire connections are made. See the Installation Instructions Protection Association NFPA 90A, NFPA 90B and any for the outdoor unit for details on line sizing, tubing applicable local ordinance. -
Page 16: Condensate Drain Tubing
7.1 Condensate Drain Tubing Test condensate drain pan and drain line after installation is complete. Pour water into drain pan, enough to fill drain trap and line. Check to make Consult local codes for specific requirements. sure drain pan is draining completely, no leaks are CONDENSATE DRAIN TRAP found in drain line fittings, and water is draining from the termination of the primary drain line. -
Page 17: Filter Installation Dimensions
9. FILTER INSTALLATION DIMENSIONS FILTER RAILS FILTER COVER MANUAL BOLT NOTE: Air filter is optional part, isn't factory-installed. Fig.9-1 EXTERNAL FILTER BASE DIMENSIONAL DATA Return width Return length FILTER SIZE "H" IN [mm] "W" IN [mm] "D" IN [mm] MODEL "A"... -
Page 18: Wiring Diagram
10. WIRING DIAGRAM THERMOSTAT 24RC W1/B Y1 Comp G Fan INDOOR UNIT OUTDOOR UNIT Fig.10-1 CONTROL WIRING FOR AC SYSTEMS THERMOSTAT W1/B 24RC Y1 Comp G Fan INDOOR UNIT OUTDOOR UNIT Fig.10-2 CONTROL WIRING FOR HP SYSTEMS... - Page 19 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. FOR OPTIONAL ELECTRIC HEAT LINE VOLTAGE FACTORY STANDARD FIELD INSTALLED FACTORY OPTIONAL VOLTAGE FACTORY STANDARD...
- Page 20 HEATER KIT PLUG HEATER KIT PLUG HEATER KIT PLUG HEATER KIT PLUG Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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Page 21: Pistion/Txv Installation
11. PISTION/TXV INSTALLATION Table 11-3.Superheat Charging Chart Charge the system by superheat when using a piston. Reference the outdoor unit installation guide to charge This coil comes with a factory installed piston metering the system by subcooling when using a TXV. device.
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