Lennox LCH Series Скачать руководство пользователя страница 7

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Page 7

Outdoor Air Hood - Manual Damper

Hood is shipped in the return air section when the

dampers are factory-installed.

1- Assemble hood as shown in figure 15.

2- Install mist eliminator filter as shown in figure 16.

Make sure arrows on filter match airflow.

3- Secure hood to unit as shown in figure 17.

4- Install kit screws into the two open holes on the end

panel below the hood. See figure 17.

HOOD TOP

ASSEMBLE HOOD

HOOD

SIDE (2)

HOOD FRONT

POSITION HOOD TOP

FLANGE ON TOP OF

HOOD FRONT

FIGURE 15

ÂÂÂÂÂÂÂÂ

HOOD

INSERT MIST ELIMINATOR FILTER

FILTER

MAKE SURE ARROWS ON

MIST ELIMINATOR FILTER

MATCH AIRFLOW DIRECTION

FIGURE 16

HOOD

INSTALL HOOD

UNIT

APPLY FOAM

TAPE TO INSIDE

OF FLANGES

FIGURE 17

INSTALL KIT SCREWS INTO
OPEN HOLES ON LGH/LCH/

KG/KC/KH UNITS

Содержание LCH Series

Страница 1: ...ation and ser vice must be performed by a licensed professional HVAC installer or equivalent service agency or the gas supplier Application Optional outdoor air dampers provide fresh outdoor air See table 1 for usage C1DAMP21A 1 and Z1DAMP21A 2 Motorized Dampers Electro mechanical units KC KG KH ZC ZG ZH The damper opens to a set position when the blower is operating To operate the damper only dur...

Страница 2: ... UNIT FILTER ACCESS PANEL UNIT END PANEL BLOWER ACCESS PANEL J3 P3 BEHIND THIS PANEL Install Motorized Damper Assembly ZG ZC ZH Units 1 Disconnect all power to unit 2 Remove and discard unit back panel Retain screws and two door brackets which secure panel See figure 2 3 Remove filter access panel Retain panel and screws 4 Install damper assembly provided in kit in unit Hold door brackets in place...

Страница 3: ...IT JACK J3 P3 TO UNIT DISCARD P3 CONNECT J P160 KIT HARNESS BETWEEN J3 AND P4 J3 P160 TO UNIT J160 P4 B7 DAMPER MOTOR FIGURE 5 J3 P160 J160 P4 B7 WIRING HARNESS CONNECTIONS KG KC KH UNITS WIRING HARNESS CONNECTIONS ZG ZC ZH UNITS DISCONNECT P3 JUMPER PLUG FROM J3 UNIT JACK J3 P3 TO UNIT DISCARD P3 FIGURE 6 CONNECT J P39 AND J P160 KIT HARNESSES BETWEEN J3 AND P4 J3 P39 TO UNIT J160 P4 B7 B7 J39 P1...

Страница 4: ... provided to install the hood pivot bracket but do not tighten the screws See figure 8 2 Position the hood top V channel under the corresponding V channel on hood pivot bracket Slide hood from left to right until it is properly positioned See figure 9 3 Factory Installed Dampers Only Remove screws securing hood to unit Lift hood upward allowing the hood to slide from left to right 4 Secure left ho...

Страница 5: ...ved from the hood top in figure 3 Install screws into the two open holes on the unit end panel below the assembled hood See figure 10 FIGURE 11 OUTDOOR AIR HOOD LGH LCH KG KC KH SHOWN LEFT HOOD SIDE INSERT THREAD FORMING SCREW HOLES FOR BOTTOM FILTER BRACKET HOOD TOP FILTER BRACKET DAMPER ASSEMBLY SEAL WITH CAULK HOOD PIVOT BRACKET UNIT TOP PANEL HOOD TOP INSTALL RETAINED SCREWS IN OPEN HOLES ON L...

Страница 6: ...ve and discard unit back panel Retain screws and two door brackets which secure panel See figure 2 3 Remove filter access panel Retain panel and screws 4 Position retained brackets on damper assembly and install below filter access panel Secure damper assembly and brackets to unit using retained screws See figure 13 5 Secure the bottom of the assembly with retained screws 6 Replace filter access p...

Страница 7: ...figure 17 4 Install kit screws into the two open holes on the end panel below the hood See figure 17 HOOD TOP ASSEMBLE HOOD HOOD SIDE 2 HOOD FRONT POSITION HOOD TOP FLANGE ON TOP OF HOOD FRONT FIGURE 15 ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ ÂÂÂÂÂÂÂÂ HOOD INSERT MIST ELIMINATOR FILTER FILTER MAKE SURE ARROWS ON MIST ELIMINATOR FILTER MATCH AIRFLOW DIRECTION FIGURE 16 HOOD INSTALL HOOD UNIT APPLY FOAM TAPE TO ...

Страница 8: ...emperature Mark that point on the top line of chart 1 and label point C 70 F 21 C shown 4 Draw a straight line between points A and B 5 Draw a vertical line through point C 6 Draw a horizontal line where the two lines meet Read the percent of outdoor air intake on the side 7 If outdoor air percentage is less or more than desired increase or decrease minimum damper position Then repeat steps 2 thro...

Страница 9: ...menu paths to set the low speed minimum damper position M3 Unit Controller SETUP TEST BALANCE DAMPER MIN DAMPER POSITION BLOWER ON LOW M2 Unit Controller SETTINGS SETPOINTS DAMPER MIN OCP BLOWER LOW 5 Use the Determine Outdoor Air Percentage section to verify the low speed minimum damper air percentage Note For additional details refer to Unit Controller manual shipped with unit Units Not Equipped...

Страница 10: ...ure differential in table 2 3 Read the damper percentage open Units Equipped With Unit Controller The damper percentage open was entered into the Unit Controller Units Not Equipped With Unit Controller Operate the unit with the damper open to minimum position Measure the voltage between pins 7 and 9 from the damper motor plug P4 Calculate the percentage open from the formula Open Measure voltage 2...

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