569J
b.Evaporator coils shall be leak tested to 150 psig, pressure tested to 450 psig, and qualified to UL 1995 burst test at 1775 psig.
c.Condenser coils shall be leak tested to 150 psig, pressure tested to 650 psig, and qualified to UL 1995 burst test at 1980 psig.
2.Optional
a.Shall have a durable
b.Coating shall be applied to the aluminum fin stock prior to the fin stamping process to create an inert barrier between the aluminum fin and copper tube.
c.
3.Optional
a.Shall be constructed of copper fins mechanically bonded to copper tubes and copper tube sheets.
b.Galvanized steel tube sheets shall not be acceptable.
c.A polymer strip shall prevent coil assembly from contacting the sheet metal coil pan to minimize potential for galvanic corrosion between coil and pan.
4.Optional
a.Shall have a flexible epoxy polymer coating uniformly applied to all coil surface areas without material bridging between fins.
b.Coating process shall ensure complete coil encapsulation of tubes, fins and headers.
c.Color shall be high gloss black with gloss per ASTM
d.Uniform dry film thickness from 0.8 to 1.2 mil on all surface areas including fin edges.
e.Superior hardness characteristics of 2H per ASTM
f.Impact resistance shall be up to 160
g.Humidity and water immersion resistance shall be up to minimum 1000 and 250 hours respectively (ASTM
h.Corrosion durability shall be confirmed through testing to be no less than 1000 hours salt spray per ASTM
5.Standard All Aluminum Novation Coils:
a.Standard condenser coils shall have all aluminum Novation Heat Exchanger Technology design consisting of aluminum multi port flat tube design and aluminum fin. Coils shall be a furnace brazed design and contain epoxy lined shrink wrap on all aluminum to copper connections.
b.Condenser coils shall be leak tested to 150 psig, pressure tested to 650 psig, and qualified to UL 1995 burst test at 1980 psig.
6.Optional
a.Shall have a flexible epoxy polymer coating uniformly applied to all coil external surface areas without mater- ial bridging between fins or louvers.
b.Coating process shall ensure complete coil encapsulation, including all exposed fin edges.
c.
d.Shall have superior hardness characteristics of 2H per ASTM
e.Shall have superior impact resistance with no cracking, chipping or peeling per NSF/ANSI
F.Refrigeration Components:
Refrigeration circuit components shall include liquid line service valve, suction line service valve, a full charge of compressor oil, and a partial holding charge of refrigerant.
G.Controls and Safeties:
1.Minimum control functions shall include:
f.Control wire terminal blocks.
g.Compressor lockout on
h.Each unit shall utilize the Comfort Alertt Diagnostic Board that provides: (1.) System Pressure Trip fault code indication
(2.) Short Cycling fault code indication
(3.) Locked Rotor fault code indication
(4.) Open Circuit fault code indication
58