Manual de instrucciones de Lennox International Inc. 505

Manual de instrucciones del aparato Lennox International Inc. 505

Aparato: Lennox International Inc. 505
Categoría: Secador
Fabricante: Lennox International Inc.
Tamaño: 0.32 MB
Fecha de añadido: 6/26/2013
Número de páginas: 16
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Resumen del contenido incluido en la página 1

INSTALLATION/
SERVICE
2006 Lennox Industries Inc.
Dallas, Texas, USA
INSTRUCTIONS
®
Humiditrol Enhanced Dehumidification
Accessory (EDA) Units
ACCESSORIES
505,021M
Litho U.S.A.
02/06
Supersedes 01/06
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
®
Humiditrol EDA Series Unit
Table of Contents
 ®
The Dave Lennox Signature Collection Humiditrol En- EDA Series Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
hanced Dehumidification Accessory (EDA) is designed for Shipping & Pa

Resumen del contenido incluido en la página 2

WARNING WARNING This cased product contains fiberglass wool. Dis- Risk of explosion or fire. Can cause turbing the insulation during installation, mainte- injury or death. Recover all refrigerant nance, or repair will expose you to fiberglass wool to relieve pressure before opening the dust. Breathing this may cause lung cancer. (Fiber- system. glass wool is known to the State of California to cause cancer.) Fiberglass wool may also cause respiratory, skin, and eye irritation. To reduce exposure

Resumen del contenido incluido en la página 3

Installation Dimensions and Arrangement EDA−024B: 12−1/2 EDA−036C: 12−1/2 EDA UNIT EDA−060D: 14 (TRANSITION See Note 2) TRANSITION 12" (min.) (See Note 1) Varies by indoor coil model; see INDOOR LENNOX COIL Engineering Handbook. Varies by air AIR FLOW FURNACE handler model; see LENNOX Engineering Handbook for dimensions. TYPICAL UP−FLOW 40 POSITION (Furnace Shown) AIR FLOW UP-FLOW AIR HANDLER UP-FLOW FURNACE NOTES: 1. Transition is required for all air handlers; dimension width and depth is depe

Resumen del contenido incluido en la página 4

Check/Flow Restrictor Operation Component Functions Charge CompensatorThe charge compensator FROM CHECK/FLOW EDA (shown in figure 5) serves to maintain the proper amount of RESTRICTOR FLOATS IN GREATER VAPOR CHATLEFF CONNECTOR PRESSURE UNIT refrigerant circulating in larger systems. [Some systems LINE TEE do not require a charge compensator, but do require a simi- lar kit to connect into the system (see Engineering Hand- book)] FROM O−RING SEALS VAPOR EDA The charge compensator stores excess r

Resumen del contenido incluido en la página 5

Releasing Air Charge General Installation Information NOTE − EDA units use dry air as a holding charge. WARNING CAUTION Improper installation, adjustment, alteration, ser- The EDA coil is shipped from the factory pressur- vice or maintenance can cause personal injury, loss ized with dry air. Pierce a hole in the coil’s rubber of life, or damage to property. plug vapor line seal to relieve the pressure before re- moving the seals. Installation and service must be performed by a qualified installe

Resumen del contenido incluido en la página 6

EDA Installation & Checkout Flow Chart Required Parts (all applications) start EDA Unit, with check/flow restrictor & label Appropriate SignatureStat Thermostat 46M98 − Outdoor Sensor 84X49 − Twisted Pair Wire Appropriate Insulation and Piping Kit ARE ALL REQUIRED NO Required Parts (2−Stage Heat Pump appl.) PROCURE PARTS MISSING PARTS 12P61 − 75VA Transformer (for HP applications) AVAILABLE ? YES Installation Process Check Dehumidification Operation MAKE WIRING CONNECTIONS SET COOLING SETPOIN

Resumen del contenido incluido en la página 7

Typical Installation (Horizontal Air Handler shown) EDA UNIT Electrical Inlet Check/Flow- TEFLON SEAL Restrictor To Charge CHECK/FLOW Details Compensator side RESTRICTOR connection (some AND O−RING applications) FITTING IN EDA UNIT Check/Flow AIR IMPORTANT! Restrictor to Vapor FLOW RESTRICTOR MUST BE INSERTED WITH O−RING Line Tee END OF RESTRICTOR TOWARD EDA UNIT FITTING. Liquid Line to TORQUE CHATLEFF CONNECTION TO 20 FT. LBS. Indoor TXV MUST BE INSULATED Liquid Line From TXV Liquid Outdoor U

Resumen del contenido incluido en la página 8

Leak Testing, Evacuating, Charging IMPORTANT Prior to starting the outdoor unit for charging, be sure the 3-way valve is energized and in the cool- IMPORTANT ing" (forward) position (see figure 7). The 3−way diverting valve actuator shaft setscrew 3. Very little charge is required for the additional volume (see figure 7) is factory set and is not to be adjusted. of the EDA unit. When in normal cooling, the compo- nents will all be occupied by vapor that has very little 3−way Diverting Valve Ope

Resumen del contenido incluido en la página 9

Then, select HUMIDITROL mode from the DEHUMIDIFY Insulating and Sealing the Unit menu (follow the path: MENU −> DEHUMIDIFY). The user control sequence is also shown in figure 8, C through H; specifically: IMPORTANT  Turn on Humiditrol − D & E All piping, metering devices, and connections must be insulated to prevent moisture damage caused by  Set level of dehumidification − F through H (adjustment sweating. range is from 45% to 60% and is factory set to 50%) If HUMIDITROL is enabled and the o

Resumen del contenido incluido en la página 10

EDA Unit Operation Cooling Mode (Dehumidification ON) The EDA coil is added to an HVAC system downstream of the indoor coil. In dehumidification mode, the coil becomes If the room thermostat’s cooling demand has been satis- an extension of the condenser coil and injects heat into the fied but the dehumidification setting has not been satisfied, indoor air stream. the unit continues to run in dehumidification mode. The room thermostat sends a signal to the EDA unit’s 3−way di- This dehumidificati

Resumen del contenido incluido en la página 11

The liquid refrigerant from the outdoor unit enters the EDA Cooling Mode (Dehumidification OFF) module . Since there is no demand for dehumidification, Figure 10 illustrates refrigerant flow in cooling mode (dehu- the 3−way diverting valve assembly directs the flow back midification mode OFF), out of the EDA module to the indoor unit expansion valve. Cooling Cycle with EDA Coil Inactive (Model EDA−036C shown) VAPOR CHARGE COMPENSATOR LINE VALVE 7/8 x 7/8 x 3/8 TEE (NOT holding refrigerant) See

Resumen del contenido incluido en la página 12

Check List  Checkpoint What to Check Action Thermostat and Wiring Confirm Sensor connected to SignatureStat using twisted pair Sensor wire (see wiring diagram figure 13) ® Thermostat Humiditrol Installer Settings Confirm HUMIDITROL is enabled (see figure 8) ® Thermostat Humiditrol User Settings Confirm HUMIDITROL − Dehumidify − ON is selected (see figure 8) ® Thermostat Humiditrol User Settings Confirm Relative Humidity setting (see figure 8) Indoor Unit Variable-Speed Blower Settings Confir

Resumen del contenido incluido en la página 13

Air Resistance Repair Parts  3−way diverting valve assembly  Check/flow restrictor  EDA Relay Table 2 shows air volume and total air resistance for the  Outdoor unit relay available EDA models.  Teflon seals Table 2 Wiring Diagrams Air Resistance Typical condensing unit and heat pump wiring diagrams Air Volume Total Air Resistance are provided in figures 12 and 13. Some modifications to certain units may be necessary. cfm L/s in. w.g. Pa Model No. Connect the EDA unit with the indoor and ou

Resumen del contenido incluido en la página 14

Typical EDA/Condensing Unit Wiring Diagram Red Black Black 5 3 Violet *OUTDOOR RELAY  VALVE 2 NOT REQUIRED WITH SINGLE- ACTUATOR SPEED OUTDOOR FAN Purple 1 Orange 5 7 1st, cut yellow 2nd, rewire yellow EDA wire here. wire as shown Purple Blue K1 B4 Yellow FAN Black Use Wirenuts SEE CONTROL WIRING BELOW FOR THERMOSTAT WIRING RED YELLOW DSY1 JUMPER − MUST BE BLUE REMOVED FOR HUMIDITROL OPERATION BLACK BROWN Y1Y2 JUMPER − ONLY REMOVE IF 2−STAGE COOLING INDOOR UNIT OUTDOOR WIRING (VSM APPLICATION

Resumen del contenido incluido en la página 15

Typical EDA/Heat Pump Wiring Diagram Black Black 5 3 Violet *OUTDOOR RELAY  VALVE 2 NOT REQUIRED WITH SINGLE- ACTUATOR SPEED OUTDOOR FAN Purple 1 Orange 5 7 2nd, rewire yellow wire EDA as shown Purple 1st, cut Blue K1 yellow wire B4 Yellow here. FAN Black Use Wirenuts INDOOR UNIT OUTDOOR WIRING DSY1 JUMPER − MUST BE (VSM REMOVED FOR HUMIDITROL APPLICATION OPERATION ONLY) BLUE SEE CONTROL WIRING BELOW BROWN FOR THERMOSTAT WONNECTIONS RO JUMPER − MUST BE REMOVED FOR HEAT PUMP APPLICATION Y1Y2

Resumen del contenido incluido en la página 16

® Humiditrol Enhanced Dehumidification Accessory (EDA) Decision Tree START Is dealer NO Obtain R−410A & R−410A & EDA EDA training trained ? YES Must use one of Desired these variable [If furnace] Must use one of equipment NO NO speed indoor Zoning Select indoor these outdoor units: matchup listed in units: application? coil XC21, XP19, XC13, XP13 EDA Engineering CBX32MV, CBWMV, ONLY! MUST BE TXV ONLY G60UHV, G60DFV, Handbook? G61MPV ONLY! Must be valid ARI rated match (refer to outdoor unit Eng


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