(To install with LECK - LEHK units) OPERATING LIMITS FOR (COOLING ONLY) UNITS OPERATING LIMITS FOR (HEATING PUMP) UNITS TABLE 1 - MAXIMUM OUTDOOR OPERATING TEMPERATURES (ºC) ON COOLING CYCLE WORKING AT MAXIMUM INDOOR TEMPERATURES (32ºC DB / 23ºC WB) 48D/D2 64D/D2 76D/D2 86D/D2 TABLE 2 - MAXIMUM OUTDOOR OPERATING TEMPERATURES (ºC) ON HEATING CYCLE WORKING AT MAXIMUM INDOOR TEMPERATURES (27ºC DB)
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MAIN SWITCH PHASE SEQUENCER ON/OFF CONDENSATION PRESSURE CONTROL PROPORTIONAL CONDENSING PRESSURE CONTROL COMPRESSOR STARTING CURRENT CONSTRAINED (SOFT STARTER) 400V-III 24E-32E-38E-43E 48D/D2-64D/D2-76D/D2-86D/D2 HOT GAS BYPASS VALVE REMOTE AMBIENT SENSOR AND REMOTE DUCT SENSOR...
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CONTROL USING A PROGRAMMABLE CONTROLLER CONDENSER COIL GUARD PRECOATED COIL RUBBER DAMPERS COMPRESSOR ACOUSTIC JACKET KIT LOW NOISE R-407C REFRIGERANT FACTORY PRECHARGED SERVICE VALVES...
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All INSTALLATION, SERVICE and MAINTENANCE operations must be carried out by QUALIFIED PERSONNEL. When positioning the unit, be sure that the Rating Plate will always be visible since this data will be necessary to assure proper maintenance. How to hoist the unit separators separators...
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Standard units are supplied with Nitrogen gas, which must be removed before any operation on the unit. As an option, the unit can be supplied with service valves on gas and liquid lines, with Nitrogen charge (N ) or with refrigerant (R-407C). FOR STANDARD UNITS AND UNITS SUPPLIED WITH SERVICE VALVES PROCEED AS FOLLOW: During installation operations, keep gas and liquid pipes covered, in order to prevent humidity and dirt, get into them.
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FOR UNITS SUPPLIED WITH SERVICE VALVES AND KIT REFRIGERANT FACTORY PRECHARGED, PROCEED AS FOLLOW:...
A,B,C : Unit positions Make special attention to line length longer than 10m, and avoid collapse on pipe lines installation. TABLE 1: REFRIGERANT LINES SELECTION UNIT - MODEL REFRIGERANT LINES 48D2 64D2 76D2 86D2...
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PRECAUTIONS TO BE TAKEN IN THE USE OF R-407C Refrigerant: R-407C Refrigerant is used in the unit; therefore, the following precautions characteristic of this gas should be taken: - The Vacuum Pump must have a Check Valve or Solenoid Valve. - Pressure Gauges and Hoses for the exclusive use with R-407C Refrigerant should be used.
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Indoor and outdoor units are factory pre-charged with Nitrogen (N The installer should remove this gas and charge the units with the refrigerant R-407C shown on the following tables and also the charge per meter line on TABLE 2. TABLE 3.1.: CHARGE OF REFRIGERANT FOR OUTDOOR UNIT + INDOOR UNIT LECK / LEHK Charge of refrigerant (gr) R-407C for 0 meters of line KNCK + LECK Charge of refrigerant (gr) R-407C for 0 meters of line KNHK + LEHK TABLE 3.2.: CHARGE OF REFRIGERANT FOR MULTI-SPLIT SYSTEM...
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- BEFORE MAKING ANY ELECTRICAL CONNECTIONS, BE SURE THAT ALL CIRCUIT BREAKERS ARE OPEN. - IN ORDER TO CARRY OUT THE ELECTRICAL CONNECTIONS, FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT. FOR UNIT MODELS: 24E-32E-38E-43E 48D-64D-76D-86D Nr OF CABLES X SECTION (mm ) POWER SUPPLY 230V THREE-PHASE UNITS...
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MULTI-SPLIT UNIT - BEFORE MAKING ANY ELECTRICAL CONNECTIONS, BE SURE THAT ALL CIRCUIT BREAKERS ARE OPEN. - IN ORDER TO CARRY OUT THE ELECTRICAL CONNECTIONS, FOLLOW THE ELECTRICAL DIAGRAM SUPPLIED WITH THE UNIT. FOR UNIT MODELS: 48D2-64D2-76D2-86D2 Nr OF CABLES X SECTION (mm ) POWER SUPPLY 230V THREE-PHASE UNITS...
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CONTROL PANEL ELECTRICAL CONNECTION DIGITAL THERMOSTAT, FOR STANDARD UNIT VERSION IMPORTANT THE SHIELDED CONNECTION CABLE BETWEEN THE CONTROL PANEL AND THE UNIT MUST BE SEPARATE FROM ANY OTHER TYPE OF ELECTRICAL WIRING. CONNECT IT TO THE ELECTRIC BOX LOCATED IN THE OUTDOOR UNIT. Since this type of control panel is factory-configured for each application, an identification code located on the control plate of the terminal itself has been given to each panel.
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REMEMBER THAT THE COMPRESSOR IS A SCROLL TYPE COMPRESSOR: Scroll type compressors only compress in one direction of the rotation. Single phase models are always started up in the proper direction; however, the three phase models, turn in either direction depending on the order of the power supply phases.
PREVENTIVE MAINTENANCE PREVENTS COSTLY REPAIRS. BECAUSE OF THIS PERIODIC INSPECTIONS ARE REQUIRED: GENERAL STATE OF THE CASING: ELECTRICAL CONNECTIONS: COOLING CIRCUIT: COMPRESSOR: FANS: CONTROL:...
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IMPORTANT MAKE SURE THAT THE UNIT IS COMPLETELY DISCONNECTED FROM THE POWER SUPPLY WHEN CARRYING OUT ANY TYPE OF WORK ON THE MACHINE DO NOT USE THE COMPRESSOR AS A VACUUM PUMP. check that there are no leaks. PRECAUTIONS TO BE TAKEN IN THE USE OF R-407C Refrigerant: R-407C Refrigerant is used in the unit;...
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FAILURE POSSIBLE CAUSES POSSIBLE SOLUTIONS...
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LENNOX DISTRIBUTION www.lennoxdistribution.com Due to Lennox's ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability. COD: MIL76E-0103 03-2005 Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.