Guide Specifications - 42V Series - Carrier 42C Series Product Data

Guide specifications — 42V series
Fan Coil Unit — Vertical Models
HVAC Guide Specifications — 42V
Size Range: 200 to 1200 Nominal Cfm
Carrier Model Numbers:
42VA (Furred-in)
42VB (Cabinet)
42VC (Furred-in, low boy, 200 to 600 cfm)
42VE (Cabinet, low boy, 200 to 600 cfm)
42VF (Cabinet, slant top)
42VG (Furred-in, wall, 150 and 300 cfm)
Part 1 — General
1.01 SYSTEM DESCRIPTION
Vertical, 2-pipe or 4-pipe, or electric heat, room fan
coil unit for furred-in, or cabinet floor mounted
installation. (42VC and VE are low profile units.)
1.02 QUALITY ASSURANCE
Unit shall be tested and certified in accordance with
ARI Standard 440 and base unit UL certified. (Units
with special features may not have UL certification.)
Each coil shall be factory tested for leakage at
300 psig air pressure with coil submerged in water.
Insulation and adhesive shall meet NFPA-90A
requirements for
generation.
1.03 DELIVERY, STORAGE AND HANDLING
Each unit shall be individually packaged from point
of manufacture. Unit shall be handled and stored in
accordance with the manufacturer's instructions.
Part 2 — Products
2.01 EQUIPMENT
A. General:
Factory-assembled, vertical, blow-thru type floor
mounted fan coil for furred-in or exposed installa-
tions. Unit shall be complete with water coil, fan(s),
motor(s), drain pan, and all required wiring, piping,
controls and special features.
B. 42VA, VC Base Unit:
1. Outside panels are made of 18-gage galvanized
steel. Lined on the inside with ½ in. thick fiber-
glass Tuf-Skin™ II insulation, with a 1 in. long
collar for top supply duct connection. Units
shall be supplied with a 1-in. fiberglass throw-
away filter.
2. The drain pan shall be constructed of 18-gage
galvanized steel extending the entire length and
width of the coil(s) and pitched for drainage.
The inside surface of the drain pan shall be
coated with closed cell fire retardant foam insu-
lation. An extension drain pan shall be provided
for installation under the water valves at the job-
site.
C. 42VB, VE, VF Cabinet Models:
1. Cabinet models shall be coated with an Arctic
White baked finish, and include a 1-in. fiber-
glass throwaway filter.
112
flame spread and smoke
2. Cabinet models shall be free standing with 2
access doors. A stamped supply-air grille shall
be included in the top of the cabinet. (Overall
cabinet height shall not exceed 14
profile 42VE unit.)
3. The 42VF top panel shall slope down from
back to front at an angle of 25 degrees. Stan-
dard stamped grille shall provide a discharge
into the room at a nominal 67 degrees from the
vertical.
D. 42VG Furred-In Model:
1. Cabinet shall be fabricated of 18-gage galva-
nized steel with ½ in. thick fiberglass insulation.
Cabinet shall be coated with baked enamel fin-
ish. Removable front panel shall provide service
access and shall include die-formed supply- and
return-air grilles.
2. Combination condensate pan and fan deck
shall be insulated with closed-cell fire-retardant
foam.
E. Fans:
Direct-driven, double-width fan wheels shall have
forward-curved blades and shall be statically and
dynamically balanced. Scrolls and fan wheels shall
be constructed of galvanized steel.
F. Coils:
Standard base unit shall be equipped with a 3-row
(42VA, VB, VF units) or 2-row coil (42VC, VE, VG
units) for installation in a 2-pipe system. Additional
coil depth and circuiting shall be provided for instal-
lation in a 4-pipe system as described in the Special
Features section. All coils shall have ½ in. copper
tubes and aluminum fins spacing; Coil fins are
mechanical bonded to tube joints. The copper tubes
comply with the ASTM B-75. The fin thickness is
0.0045 in and tube thickness is 0.016 in. All coils
are tested with air under water and are suitable for
design working pressures of 250 psig at 220 F.
Burst tested at 350 psig.
G. Controls and Safeties:
Unit shall be furnished with a 3-speed, 4-position
fan switch on a wall plate for field mounting on
furred-in units. Cabinet units shall be furnished with
a factory-installed 3-speed, 4-position fan switch.
Internal wiring from motor and valves shall be in
flexible metal conduit, terminating in the junction
box.
H. Operating Characteristics:
1. A one-coil unit installed in a 2-pipe system shall
be capable of providing heating and cooling as
determined by the operating mode of the cen-
tral water supply system.
2. A double-circuit coil unit installed with a 4-pipe
system shall be capable of providing sequenced
heating and cooling.
1 / in. on low
2