Multi-tec/th-tune free cooling unit system
multi-tec wall-mount air conditioner/
th-tune single unit controller.
the th-tune can be used as a replacement for the lc6000
controller for operation when a single multi-tec unit is used. (26 pages)
CONTENTS Start Up ..............15 Getting Other Information and Publications ..3 General ............. 15 Topping Off System Charge ......... 15 Wall Mount General Information ......4 Safety Practices ..........15 Air Conditioner Wall Mount Model Nomenclature ..4 Important Installer Note ........16 Shipping Damage ..........
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help when installing the For more information, contact these publishers: furnace. They can usually be found at the local library or purchased directly from the publisher. Be sure to ACCA Air Conditioning Contractors of America consult the current edition of each standard.
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE – MODEL SERIES CONTROL MODULES (See Spec. Sheet S3397) CAPACITY 17 – 1½ Ton COIL OPTIONS 18 – 1½ Ton X – Standard 24 – 2 Ton 1 – Phenolic Coated Evaporator 30 –...
Any grille that meets with 5/8" louver criteria may be through. In the event the drain hose is connected to used. It is recommended that Bard Return Air Grille Kit a drain system of some type, it must be an open or RG2 through RG5 or RFG2 through RFG5 be installed vented type system to assure proper drainage.
INSTALLATION WALL MOUNTING INFORMATION WARNING 1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 3. 2. On wood frame walls, the wall construction must Failure to provide the 1/4" clearance between be strong and rigid enough to carry the weight of the supply duct and a combustible surface the unit without transmitting any unit vibration.
FIGURE 4 Electric Heat Clearance W30A2, W30L2, W36A2, W36L2, W42A2, W42L2, W48A2, W48L2, W60A2, W60L2, W70A2, W70L2 NOTE 1: SIDE SECTION VIEW OF SUPPLY AIR DUCT FOR WALL MOUNTED UNIT SHOWING 1/4" CLEARANCE TO COMBUSTIBLE SURFACES. WARNING A minimum of 1/4" clearance must be maintained between the supply air duct and combustible materials.
FIGURE 5 Wall Mounting Instructions WALL STRUCTURE SEE FIGURES 3A-C MOUNTING INSTRUCTIONS FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR DUCT OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING OPENING BOTTOM MOUNTING WOOD OR STEEL SIDING BRACKET.
FIGURE 7 Common Wall Mounting Instructions SUPPLY DUCT MAY BE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN RAIN RAIN FLASHING RAFTERS FLASHING RAFTERS FINISHED CEILING SURFACE SUPPLY AIR DUCT SUPPLY AIR DUCT FINISHED CEILING SURFACE W/ GRILLE RETURN AIR RETURN AIR OPENING W/ GRILLE...
WIRING – MAIN POWER WIRING – LOW VOLTAGE Refer to the unit rating plate for wire sizing information All 230/208V 1 phase and 3 phase equipment have and maximum fuse or circuit breaker size. Each dual primary voltage transformers. All equipment outdoor unit is marked with a “Minimum Circuit leaves the factory wired on 240V tap.
TOPPING OFF SYSTEM CHARGE sunlight. 9. Never heat cylinders above 125°F. If a leak has occurred in the system, Bard Manufacturing recommends reclaiming, evacuating 10. Never trap liquid R-410A in manifold sets, gauge (see criteria above) and charging to the nameplate lines or cylinders.
IMPORTANT INSTALLER NOTE The phase monitor in this unit is equipped with two LEDs. If the Y signal is present at the phase monitor For improved start up performance wash the indoor coil and phases are correct the green LED will light. with a dish washing detergent.
COMPRESSOR CONTROL MODULE both soft and manual, are a function of the compressor control module. The compressor control module is standard on all models covered by this manual. The compressor ADJUSTMENTS control module is an anti-short cycle/lockout timer with Adjustable Delay-on-Make and Delay-on-Break Timer high and low pressure switch monitoring and alarm relay output.
SERVICE R-410A REFRIGERANT CHARGE FAN BLADE SETTING DIMENSIONS This unit was charged at the factory with the quantity Shown in Figure 8 is the correct fan blade setting for of refrigerant listed on the serial plate. AHRI capacity proper air delivery across the outdoor coil. Refer to and efficiency ratings were determined by testing with Table 1 for unit specific dimension.
TABLE 2 Cooling Pressure Air Temperature Entering Outdoor Coil °F Return Air Temp Model Pressure (DB/WB) Low Side 75/62 High Side Low Side W17A/L 80/67 High Side Low Side 85/72 High Side Low Side 75/62 High Side Low Side W18A/L 80/67 High Side Low Side...
TABLE 3 Electrical Specifications – W**A Series Single Circuit Dual Circuit Minimum Maximum Rated Field Maximum Circuit External Fuse or Field Power Ground MODEL Volts & Minimum Field Power External Ground Ampacity Ckt.
TABLE 4 Electrical Specifications – W**L Series Single Circuit Dual Circuit Minimum Maximum Rated Field Maximum Circuit External Fuse or Field Power Ground MODEL Volts & Minimum Field Power External Ground Ampacity Ckt.
TABLE 10 Vent and Control Options Part Number Description CMC-14 CMC-15 Start Kit (230V 1-Phase) CMC-23 CMC-24 CMC-28 BFAD-2 Barometric Fresh Air Damper - Standard BOP-2 Blank Off Plate MFAD-2 Motorized Fresh Air Damper CRV-2 Commercial Ventilator - Spring Return ECONWMS-E2 Economizer - School Version, Enthalpy ECONWMT-E2...