Small Black Electrical Box Applications; Plastic Retainer Applications - Hussmann Freedom Line series Installation & Operation Manual

AE8-1376 R5

8.2 Small Black Electrical Box Applications

Figure 11 – Small Black Electrical Box
1. Disconnect main power source.
2. Remove electrical box cover.
3. Bend the metal tabs on either side of the controller
outward and pull controller approximately halfway
out.
4. Disconnect three wiring harnesses from rear of
controller.
5. Completely remove controller from assembly.
6. Verify replacement controller and existing controller
have the same part number (e.g., part number: 543-
0133-00).
NOTE: A controller with a part number ending in -00
may be replaced with a controller with a part number
ending in -01 or -02 (See Section 8.5).
7. Bend the metal tabs on either side of the empty slot
inward prior to installing replacement controller.
8. Insert replacement controller through the slot with
label facing away. Push controller halfway in.
9. Connect three wiring harnesses to rear of controller.
Ensure controller wiring schematic is pointing away
from the operator.
10. Finish installing replacement controller in assembly.
11. Install electrical box cover.
12. Connect main power source.
13. Set controller parameters to match values listed on
inside label (See Section 8.4).
© 2015 Emerson Climate Technologies, Inc.
Application Engineering
B U L
7-17
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8.3 Plastic Retainer Applications (Large Black
Electrical Box and X-Line Units)
Figure 12 – Large Black Electrical Box
1. Disconnect main power source.
2. Remove electrical box cover.
3. Disconnect three wiring harnesses from rear of
controller.
4. Press the centers of the white plastic connectors
and pull them straight out.
5. Remove controller.
6. Verify replacement controller and existing controller
have the same part number (e.g., part number: 543-
0133-00).
NOTE: A controller with a part number ending in -00
may be replaced with a controller with a part number
ending in -01 or -02 (See Section 8.5).
7. Insert replacement controller through the slot.
Ensure controller wiring schematic is facing up.
8. Secure controller with white retainer clips.
9. Connect three wiring harnesses to rear of controller.
Ensure part label on blue wiring harness is facing
down.
10. Install electrical box cover.
11. Connect main power source.
12. Set controller parameters to match values listed on
inside label (See Section 8.4).
T I N
May 2016