22
8-6.LEV and HEAT EXCHANGER
OPERATING PROCEDURE
1. Remove the service panel and filter with the pro-
cedure explained in section 8-1.
2. Remove the decorative panel frame with the pro-
cedure explained in section 8-4.
3. Remove the bell-mouth with the procedure
explained in section 8-3.
4. Remove the control box with the procedure
explained in section 8-4.
5. Remove the drain pan with the procedure
explained in section 8-4.
6. Remove the LEV drive motor with a double span-
ner. (Photograph 7-1)
7. Remove the fluid piping connection flare, gas pip-
ing connection flare, and then lower the unit body
to remove the heat exchanger.
(Photographs 7-2, 7-3)
(1) Remove the two heat exchanger support plates A.
(One screw/plate)
(2) Remove the heat exchanger support plate B. (Two
screws)
(3) Remove the piping fixing plate C. (Two screws)
(4) Slide the heat exchanger in the direction opposite
the piping, and remove it.
Note 1: Cover the control box, motor, drain pump
and LEV with cloth, etc., to protect them
in case water should come in contact
when washing the drain pan and heat
exchanger.
Note
2: Do not drain the water used to clean the
drain pan and heat exchanger with the
rain pump. Drain it separately.
(Photo.7-1)
PHOTOS&ILLUSTRATIONS
(Photo.7-2)
(Photo.7-3)
LEV
Drive motor
Heat exchanger support plate A
Piping fixing plate C
Heat exchanger support plate B
Be careful removing heavy parts.