Frick Rooftop Freezer System (RTF)

The ammonia Frick Rooftop Freezer System is designed to sit on roof curbs open to cold rooms below. Customers can choose from a variety of convenient options that come with this freezer evaporator, like factory-mounted and wired fan motor starters, a removable cooling coil access panel in the enclosure, an insulated roof curb and more. Mounted on a rigid base and enclosed with an insulated panel, our RTF Systems are engineered to be efficient, reliable and convenient.

The Frick Rooftop Freezer (RTF) System from Johnson Controls has capacities ranging from 7TR to 99TR.

Features and benefits:

4″ or 5-3/8″ urethane foamed-in-place wall panels
Stucco-embossed steel exterior
Large reach-in service doors with heated seals
Cooling coil sized for the application
Fan motor service rail
Interior maintenance lighting with switch and 120V service outlet
Refrigerant and drain lines extend through the insulated enclosure
Insulated drain pan

Specifications the ammonia Frick Rooftop Freezer (RTF) System:

Coil fin spacing between 2.5 fpi to 6.3 fpi.
Penthouse units with 1 fan to 5 fans.
Individual fan motors up to 15 hp.

The RTF penthouse:

Wall and ceiling panels are attached with exterior access cam locks.
Interior and exterior joints are sealed using NSF approved gaskets.
Flat ceiling panels match the perimeter walls.
RTF roof seams are sealed to prevent water and air infiltration.
Weatherproof roof membrane is provided for field installation.
Heated door frames

The evaporator system:

Air, electric, or hot gas defrost coil designs
Coils constructed of stainless steel tube and aluminum fins
Premium efficient variable-frequency drive (VFD) suitable motors for 230-460/3/60 with low temperature grease as required. Motors are totally enclosed, fan cooled (TEFC), 1160 rpm
Direct-drive cast aluminum, nonoverloading axial propeller fans.
OSHA guards at fan inlet
System capacity is dependent on the evalution of many factors including coil, rating type, airflow, temperature difference (TD), and room conditions.