PRC-6500 Specifications

PREMIERCOOL©
Stainless Steel
Residential Evaporative Cooler Specifications
Equipment Schedule


ISO STD
HOUSING DIMENSIONS
FAN SECTION
EVAPORATIVE COOLING              SECTION
MANUFACTURER
QTY
CFM
WIDE
HIGH
DEEP
SIZE
MOTOR
MEDIA
EFF%
DEEP
PUMP
MODEL
6500 40" 32" 52" 15" 3/4 HP Premier 90% 12" 1/60 PRC6500
Residential Cooler Specifications:

GENERAL: The evaporative cooler shall be a self contained, single housing unit consisting of a minimum of a "wet section" and "fan section".  The "wet section" shall consist of 12” cooling media, water delivery system and any selected accessories.  The "fan section" shall consist of a fan (blower), motor, drive arrangement and any selected accessories to deliver specified air volume against specified static pressure.  The wet section and fan section shall be constructed from Stainless Steel grade 304 unless otherwise specified.  
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1.0  FAN SECTION HOUSING:

1.1  The "fan section" shall be constructed from Stainless Steel, grade 304 natural 2B.   The housing shall be airtight and waterproof.

1.2  A lift-off top panel shall be provided in the fan housing .  The top access shall allow  access to all internal components of the cooler including blower, motor, belt adjustment, bearings and possible shaft replacement as well as the wet section for pump, media replacement and header pipe cleanout.
     
2.0  FAN SECTION:

2.1  The blower (fan) shall be centrifugal type, double width, double intake, forward curve  with a wheel diameter as specified in schedule and shall be capable of delivering air volume at external static pressure as specified.  The blower shall be mounted in arrangement 3 configuration or as specified.  The discharge mode shall be down or side as specified.  The standard blower (fan) shall have a solid, ground and polished steel shaft with permanent lubricated  self-aligning type bearing on each end.

2.2  Blower (fan) motor shall be ODP (open drip proof) type as specified and sized to drive the blower (fan) at specified capacity without exceeding nameplate rating. Service factor of the motor shall be 115% of nameplate rating.  Electrical characteristics of the motor shall be 115 VAC or 230 VAC as specified.

2.3  Motor mount shall be adjustable to allow for drive belt tension and alignment.

2.4  Blower (fan) sheave shall be non-adjustable v-groove type selected to provide necessary blower (fan) RPM.

2.5  Motor sheave shall be non-adjustable v-groove type selected to provide necessary blower (fan) RPM.

3.0  EVAPORATIVE COOLING MODULE (Wet Section):

3.1   The wet section shall be constructed from Stainless Steel, grade 304.  The housing shall consist of a sump, sides and top.   A removable top panel shall provide a method of cooling media access and removal and adjustment of the float valve assembly.   Standard media removal method is through the top lift off  panel  All metal in the wet section shall be Stainless Steel, grade 304.

3.2  Sump construction shall include TIG (fusion) welded corners and joints.  The sump shall be leak proof without the use of fillers, sealants or coatings.  A media support channel shall be included. This channel shall extend across the full width of the media.  The channel shall provide a minimum of 50% open area for water to flow freely from the media into the sump.

3.3  An air bypass inhibitor plate shall be provided from the intake bottom of the media, extending into the water or designed  to preclude any untreated air flow under the media.

3.4  Standard brass float valve connection shall be provided for make-up water. Overflow and drain shall be through standard stand up pipe provided for this purpose.

3.5 Water distribution system shall be pump re-circulating system with mechanical float valve assembly to maintain water level in the sump. Pump horsepower and voltage requirements shall be as specified in schedule.  A bleed-off system with metering valve shall be provided when the pump system is used.  Bleed-off rate shall be minimum of 20% of evaporation rate.  Standard pump is a stand up type with bottom intake. (An optional “clean pump” is available for timed water dumps to increase media useful life).

 3.6  Water supply to the header pipe shall be by a polyethylene tubing with a balancing clamp provided between the source and header pipe to regulate water flow over the media.  Header pipe shall be PVC schedule 40 pipe and will contain drilled and cleaned orifice holes sized to assure proper water flow over the media.  Water from the header pipe shall be discharged upwards against a stainless steel deflector to redirect the water from the header pipe back onto the media, evenly across its' full width. 

 3.7 Cooling media shall be PremierCool Rigid Media©, 12" thick.  This media is a cross- fluted pad of cellulose material impregnated with anti-rot salts and rigidifying saturates and wetting agents with at least 123 square feet of evaporative surface area per cubic foot of media.  The transverse flutes shall be 450 and 150 with water flow in the direction of the 450 flute and air flow in the direction of the 150 flute.  Media shall have no more than .26" w.g. air pressure drop at 450 feet per minute face velocity and shall develop a saturation efficiency of not less than 92% for 12" thick media.

3.8 A Birdscreen shall be provided at the intake of the cooler to protect the media from birds and insects and prevent debris from blowing into the sump. An optional winterization panel to slide over the intake is available.
           
4.0  ELECTRICAL CONTROLS:
4,1  Electrical controls shall consist of plug in type  female receptors for the motor and pump plugs.  The receptor box is located inside the fan housing with an opening to allow for external power feed through for connection.

END OF STANDARD SPECIFICATIONS:

NOTE:  CONTACT PREMIERCOOL, INC. FOR AVAILABLE ACCESSORIES. premier@piec.com  800-254-8989