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Step 11. Pulloutthepanelframewhilepushingthehook

throughaclearancebetweenthepanelframe

andtheheatexchanger.

Step 12. Releasethe5hooksoftheverticalblades,then

pulltheverticalbladesrightwardandremoveit.

Step 13. Remove1screwofthedisplayboard.

Step 14. Rotatethedisplayboardinthedirectionshownin

therightpicture.

18.1.2. Electrical Parts

NOTE: When handling electrical parts use anti-static

gloves.

NOTE: Remove the front panel (see Step 1 on page 32)

before disassembling electrical parts.

Step 1. Cuttheribbonbyashear,thenpulloutthecoil

temperaturesensor(T2).

Step 2. Removeonexingscrewoftheelectronic

controlboxandtwoscrewsusedfortheground

connection.

Ribbons T2 Sensor

Step 3. Anupwardforceismaintaineduntilthecoverof

electroniccontrolboxisremoved.

Lennox MCA012S4S-1P User Manual

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