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Page Title: CHAPTER 2 INSTALLATION AND OPERATION INSTRUCTIONS
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TM 5-4120-270-15 CHAPTER 2 INSTALLATION AND OPERATION INSTRUCTIONS Section I.  SERVICE UPON RECEIPT OF EQUIPMENT 2-1. Unloading the Equipment a. Remove any blocking or tiedowns that may have  been  used  to  secure  the  item  to  carrier.    The  air conditioner  is  shipped  in  a  wooden  carton,  the  base  of which is raised to provide for insertion of tongs of a fork. b. Use a forklift or other suitable lifting de- vice to    remove    unit    from    carrier.    Caution:    Use    care    in handling to avoid damaging the air conditioner. 2-2. Unpacking the Equipment a. General.  ’love air conditioner to installa-tion site  before  removing  shipping  container.    Cut  the  metal bands and remove top, end, and sides of carton, and the Kimpak covering.  Remove bolts securing base of unit to crate.  Using a suitable hoist or crane and a spreader bar attached to the lifting handles, lift unit from crate. b. Depreservation.  Prior to placing unit in op- eration,  accomplish  depreservation  in  accordance  with instructions  outlined  in  T)A  Form  2258  (Depreservation Guide   of   Engineer   Equipment).      DA    Form    2258    is attached on or near the operational controls. 2-3. Inspecting and Servicing Equipment a. Perform daily preventive maintenance services (para 3-C,). b. Perform   quarterly   preventive   maintenance services ( para 3--7). c. Inspect   entire   r   conditioner   for   signs   of damage,  paying  particular   attention   to   evaporator   and condenser coils. d. The air conditioner contains a full operating charge   of   refrigerant   and   compressor   oil.   No   further service is required. 2-4. Installation of Separately packed Components a. General.  The air conditioner is  basically a self-contained unit, however, in certain installations it  may  become  desirable  to  place  the  control  panel  in  a remote  location  and  utilize  the  remote  control  blockoff plate. b. Blockoff  Plate.    The  blockoff  plate  is  pro- vided  for  installation  when  the  controls  are  removed  for remote  control  operation.    The  block-off  plate  provided must   be   used   so   that   no   air.   will   enter      the      lower compartment.  Refer to figure 2-1, and install the blockoff plate. 2-5. Installation or Setting-up Instructions a. General.    Set  the  air  conditioner  in  a  level position  to  allow  proper  condensate  draining  (operation will be satisfactory with unit setting at a slight angle, and using one of the alternate drain connections). b. Locating   the   Unit.      The   removable   lower front   panel   and   evaporator   fan   discharge   and   intake grilles    must    be    accessible    for    normal    service    and maintenance.    The  condenser  air  intake  and  discharge openings must always be unobstructed to allow sufficient air for condensing purposes. Clearance must be allowed for   the   condenser   air   inlet   door   which   must   be   open during   operation.   The   evaporator   fan   discharge   and intake  openings  at  front  of  unit  should  be  relatively  free from   obstruction   to   permit   maximum      unit   capacity. Sufficient headroom must be allowed for  removal  of  the mist eliminator. Note.   Remove discharge and intake grilles  and filter,  if  unit  is  to  be  used  with  ducts  carrying  air  to  and from the conditioned space.  Install grilles and filter in the duct. Note.    Remove  CBR  cover  (fig.    1-2)  if  a  CBR filter unit is to he attached to ,he air conditioner. c. Installing Unit).  Bolt unit to floor or other flat surface.    Refer  to  base  plan  (fig.    1-5)  for  dimensions. Connect drain hose to drain nipple at base of unit to lead condensate   away   from   unit.      Alternate   1/2   inch   NPT condensate drain connections are provided at both sides and   front   and   rear   of   unit.      If   one   of   these   is   used, remove the desired drain plug prior to installing the drain hose. 2-1

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