Loading
Search Suggestions: Find Inspiration
Loading
/

CL Cond Fan Reversal Prevention

Product Group: Refrigeration
Content: CL Series Cabinets - To Prevent Reversal of Condenser Fan
Issue Date: 6/0/2006
Bulletin No: SB0016
Revision: 1.0 (Current version of this bulletin)

Important: Power to the refrigeration cabinet must be switched off /
unplugged prior to any changes taking place.


The following instructions must be adhered to.


1. Locate the refrigeration unit electrics junction box. This is behind
    the refrigeration unit cover on either the left hand or right end of
    the cabinet.
2. This cabinet cover must be opened up by removing the two
    screws at very bottom of cover and lifting the cover upwards and
   then forwards.
3. The electrics junction box cover can then be removed by removing
    the screw at the top centre of the electrics junction box lid.
4. Locate each of the following parts within the electrics junction box.
    (see figure 1)

Capture9

Capture11

 

Capture12

7. Remove and discard all other wires from the reversing relay and
    reversing resistor. This will include the following wires
·   1st Black wire which connects between the reversing relay
    to the reversing resistor.
·   2nd Black wire which connects between the reversing
   resistor to fan motor capacitor.
·  1 x Brown wire that connects from terminal block to
   reversing relay.
·  1 x Blue loop wire, that connects from terminal block to
   reversing relay and looped to 2nd reversing relay terminal)

Capture13

8. The brown phase wire from the condenser fan motor needs to be
    moved across from the main phase supply terminal to the
    compressor supply terminal on the terminal block. As shown
    below in figures 6 & 7.

Capture14

9.   Refit the electrics junction box cover and then close the
      refrigeration unit cover.
10. Perform all Electrical Safety tests in accordance with AS/NZS3760.
11. Test run to ensure that condenser fan rotation is correct and that
      the fan switches off when compressor switches off. To check for
      correct fan rotation, ensure air is being sucked into the condenser
      and not blown out.