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INSTALLER'S GUIDE
CONDENSING UNITS
High Efficiency Air Handlers
LCM5 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 LCM5 Series
Summary of Contents for ComfortStar LCM5 Series
- Page 1 ® INSTALLER’S GUIDE CONDENSING UNITS High Efficiency Air Handlers LCM5 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 instructions 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 Make sure the blower upflow position, left and right return in the horizontal motor support is tight position, top return in downflow position. (3-motor mount bolts) , then check to see if This Air Handler provides the flexibility for installation in wheel is secured to... - 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) 48/60/61 208/230 15(A) 4.5 Electric Kit Mca/Mop Data Max. Fuse or Min. Circuit Heater Kit Electric Breaker Minimum Heating Blower Speed Ampacity Handler Model Heat (kW) (HACR) Ampacity Model... - Page 13 AIRFLOW PERFORMANCE DATA CFM Wet Coil without filter and Electric Heat Outdoor Motor Handler Unit External Static Pressure-Inches W.C.[kPa] Speed Size(Tons) Model 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] SCFM Power/W Current/A 0.77 0.81 0.84 0.87 0.91 0.94 0.99 1.02 1.11...
- Page 14 CFM Wet Coil without filter and Electric Heat Outdoor Motor Unit External Static Pressure-Inches W.C.[kPa] Handler Speed Size(Tons) Model 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] SCFM 1344 1284 1226 1151 1076 Power/W Current/A 1.23 1.26 1.33 1.41 1.61 1.63 1.61...
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Page 15: Ductwork
Heat pump systems require a specified airflow for electric heat operating. Each ton of cooling requires between 350 and 450 cubic feet of air per minute (CFM), or 400 CFM nominally. Duct design and construction should be carefully done. System performance can be lowered dramatically through bad planning or workmanship. -
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 "D" IN [mm] "H" IN [mm] "W" IN [mm] MODEL "A"... -
Page 18: Wiring Diagram
10. WIRING DIAGRAM 10.1 For 24/36/48/60 Model 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. CAUTION: SCHEMATIC DIAGRAM NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND SEE RATING PLATE FOR VOLTS&HERTZ ATTENTION: FIELD POWER WIRING...
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Page 20: For 61 Model
10.2 For 61 Model Support 1H and 1C thermostat Y EL LO W R ED BR OWN GRE EN P U RPL E H/DH G R AY THERMOSTAT BLU E W H ITE W H ITE /BLAC K INDOOR UNIT OUTDOOR UNIT Fig.10-4 CONTROL WIRING FOR A/C SYSTEMS Support 4H and 2C thermostat... - Page 21 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. DETAILED REFERENCE SCHEMATIC DIAGRAM CAUTION: MANUAL INSTRUCTIONS NOT SUITABLE FOR USE ON SYSTEMS EXCEEDING 150V TO GROUND. BLACK BLOCK Y1+Y2 Y1 OR G...
- Page 22 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.
- Page 23 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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Page 24: Pistion/Txv Installation
TXV Replacement Information for MVME61C1MN1TC NOTE: 1.The TXV replacement options noted in this sheet supersede those in the installation guide. Please reference this sheet for all refrigerant metering options. TXV-Replace Steps Step 1: Remove the screws and front coil panel. Step 2: Remove the rubber plugs from the liquid and vapor lines.
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