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' " ��i <br /> ERVI E <br /> AIR CONDITIONING AND HEATING <br /> ��� ��.��� �fr,� .���.�„�� s�.�y-;�,�.�:� <br /> April 5, 2013 <br /> Scott Johnson <br /> Precise Construction <br /> 5026 Trenton Street <br /> Tampa, Florida 33619 <br /> Sub: Florida Cancer Specialist <br /> 38010 Medical Center Ave. <br /> Zephyrhills, Florida 33540 <br /> HVAC <br /> The existing vault has a 2'/2-ton split system; equipment appears to be 6-years old and needs to <br /> be replaced since new scan room requires additional cooling from the original unit installation. <br /> • The air handler is located above vaulYs grid ceiling at the entry with the rooftop condenser <br /> located on a portable roof curb just set on roof surFace, does not achieve today's codes. <br /> • Air Handler Model# FCME31230S002 Serial #7107L13001 <br /> Condenser, Luxaire Model# GCGD30S21S1A Serial #WOL7367958 <br /> R-22 208/230/1 PH, new unit will be upgraded three phase condenser section with reuse of <br /> existing 7/8"&3/8" Refrigerant lines; system has a condensate pump installed for drain. <br /> The air handler is hung with threaded rod and slotted angle that overhangs the drain pan. The <br /> electrical disconnect is located up at the deck and cannot be reached to service the equipment <br /> as needed. The condensate pump is mounted on the wall above the ceiling. There is a 4" t-fin <br /> running thru the vault wall to an exterior grill for outside air. <br /> The A/C condenser is located on the roof but the condenser sits on a concrete slab that is just <br /> set direct�y onto the roof surface and is not secured ad required by today's mechanical codes. <br /> _� <br /> ,n,.�.a;'. �° 1 <br /> -,. <br /> The upgrade shown following will require a new HVAC system complete with line set upgrade <br /> and new ductwork to provide air for the larger system. The electrical will be upgraded by <br /> electrical provider as needed; rooftop condenser will be provided as a 3-phase cooling unit. <br /> � Provide and install new 4-ton HVAC system with controls as required; with fact that system <br /> either operates at full load very frequently the scan system also remains in a low load stand <br /> by operational heat load we highly recommend installation of Rawal APR refrigeration load <br /> 1015 E. M. L. King Blvd , Tampa FL 33603 <br /> (813)AIR-COOL (247-2665) <br /> Commercial& Residential FAX(813) 247-6535 Indoor Air Quality <br /> Sales & Service www cgmservices.com Refrigeration <br />