Lennox International Inc.メーカー021の使用説明書/サービス説明書
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02/06 505,021M *2P0206* *P505021M* E 2006 Lennox Industries Inc. Dallas, T exas, USA Humiditrol ® EDA Series Unit The Dave Lennox Signature t Collection Humiditrol ® En- hanced Dehumidification Acce.
Page 2 EDA 01/06 W ARNING This cased product contains fiberglass wool. Dis- turbing the insulation during inst allation, mainte- nance, or rep air will expose you to fiberglass wool dust. Breathing this may cause lung cancer . (Fiber- glass wool is known to the St ate of California to cause cancer .
Page 3 EDA INST ALLA TION/ SERVICE INSTRUCTIONS Installation Dimensions and Arrangement Figure 1 AIR FLOW AIR FLOW UP-FLOW FURNACE UP-FLOW AIR HANDLER EDA−024B: 12−1/2 EDA−036C: 12−1/2 EDA−060D: 14 V aries by indoor coil model; see LENNOX Engineering Handbook.
Page 4 EDA 01/06 Component Functions Charge Compensator The charge compensator (shown i n figure 5) serves to maintain the proper amount of refrigerant circulating in larger systems.
Page 5 EDA INST ALLA TION/ SERVICE INSTRUCTIONS General Installation Information W ARNING Improper installation, adjustment, alteration, ser- vice or maintenance can cause personal injury , loss of life, or damage to property . Installation and service must be performed by a qualified installer or service agency .
Page 6 EDA 01/06 Required Part s (all applications) EDA Unit, with check/flow restrictor & label Appropriate SignatureS t at t Thermostat 46M98 − Outdoor Sensor 84X49 − T wisted Pair Wire Appropriate Insulation and Piping Kit Required Part s (2−St age Heat Pump appl.
Page 7 EDA INST ALLA TION/ SERVICE INSTRUCTIONS INDOOR UNIT OUTDOOR UNIT air−flow V apor Line Liquid Line Liquid Line from Outdoor Unit Liquid Line to Indoor TXV TXV V apor Line Liquid Line MUST BE .
Page 8 EDA 01/06 Leak T esting, Evacuating, Charging IMPORT ANT The 3−way diverting valve actuator shaft set screw (see f i gure 7) is factory set and is not to be adjusted. 3−way Diverting V alve Operation NOTE − During system operation, the 3-way valve requires 24-volt power to drive between cooling and dehumidifica- tion.
Page 9 EDA INST ALLA TION/ SERVICE INSTRUCTIONS Insulating and Sealing the Unit IMPORT ANT All piping, metering devices, and connections must be insulated to prevent moisture damage caused by sweating. Seal the unit so that warm air is not allowed into the cabi- net.
Page 10 EDA 01/06 EDA Unit Operation Th e EDA coil is added to an HV A C system downstream of th e indoor coil. In dehumidification mode, the coil becomes an extension of the condenser coil and injects heat into the indoor air stream.
Page 1 1 EDA INST ALLA TION/ SERVICE INSTRUCTIONS Cooling Mode (Dehumidification OFF) Figure 10 illustrates refrigerant flow in cooling mode (dehu- midification mode OFF), The liquid refrigerant from the outdoor unit enters the EDA module .
Page 12 EDA 01/06 Check List n Checkpoint What to Check Action Thermost at and Sensor Wiring Confirm Sensor connected to SignatureS tat t using twisted p air wire (see wiring diagram figure 13) Thermo.
Page 13 EDA INST ALLATION/ SERVICE INSTRUCTIONS Air Resist ance T able 2 shows air volume and tot al air resist ance for the available EDA models. T able 2 Air Resistance Air V olume T otal Air Resist ance Model No. cfm L/s in. w.g. Pa EDA−024B 400 190 0.
Page 14 EDA 01/06 Figure 12 T ypical EDA/Condensing Unit Wiring Diagram INDOOR UNIT B4 FA N Blue Y ellow Black K1 1st, cut yellow wire here. Use Wirenuts *OUTDOOR RELA Y NOT REQUIRED WITH SINGLE- .
Page 15 EDA INST ALLA TION/ SERVICE INSTRUCTIONS T ypical EDA/Heat Pump Wiring Diagram Figure 13 B4 FA N Blue Y ellow Black K1 1st, cu t yellow wire here.
Page 16 EDA 01/06 Up flow/horizont al NOTE − AIR HANDLER REQUIRES FIELD−F ABRICA TED TRANSITION BETWEEN BLOWER OUTLET AND EDA COIL. [If furnace] Select indoor coil MUST BE TXV ONL Y Figure 14 Humi.
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