Company WCX Series Product Manual

FIRST CO. WCX12 SERIES SPEC
5
WCX12-BB Series
NOTE:
R-410A refrigerant oil is not compatible with R-22 oil. Therefore, when R-410A
outdoor units are replacing existing R-22 outdoor units, the indoor evaporator coil
must be replaced with a new one, the coil must include an R-410A TXV, and the
interconnecting refrigerant lines ushed.
NOTE:
Liquid line valve is located on left side.
Suction line valve is located on right side.
ELECTRICAL DATA 208/230V - 1PH - 60 Hz
UNIT
MODEL
COMPRESSOR CONDENSER FAN MIN. CIR.
AMPACITY
MAX. HACR
BREAKER
LRA RLA FLA HP
18WCX12-BB 48 9.0 1.2 1/4 13 20
24WCX12-BB 58.3 12.8 1.2 1/4 18 30
30WCXA12-BB 73 14.1 2.8 1/3 21 30
CERTIFIED COMBINATION RATINGS (1)
UNIT
MODEL
TOTAL BTUH
COOLING
SEER INDOOR COIL
18WCX12-BB 18,000
12.0
20VOHBX
24WCX12-BB 23,800 32VOHBX
30WCXA12-BB 27,800 RBHP-21J***
PHYSICAL DIMENSIONS
UNIT MODEL A B C
LIQ/SUCT. LINE CONN.
(SWEAT)
APPROX.
SHIP WT.
18WCX12-BB
28 25-3/4 19 3/8 O.D. / 3/4 O.D. 20024WCX12-BB
30WCXA12-BB
OPT. ARCH. GRILLE (FIELD INSTALLED)
PART
NUMBER
FOR USE ON
DIMENSIONS
H W D
G200BBA
18WCX12-BB
24WCX12-BB
30WCXA12-BB
28 25-3/4 1-1/4
C
3 3/8
1 5/8
1 3/4
2 7/8
1 3/4
LIQUID & SUCTION LINE
ENTRY 1 1/2 OD K.O.
COIL
TOP VIEW
19 1/8
16 1/8
11 7/8
4 3/4
2 5/8
2 3/8
A
B
BACK VIEW
208/230V-1PH-60Hz
(SUPPLY WIRING)
24 VOLT
(CONTROL
WIRING)
SUCT. LINE
ENTRY 1 1/2 K.O.
LIQUID LINE
ENTRY 1 1/2 K.0.
12 3/4
ALT. LINE SET 1 1/2 K.O.
EACH SIDE AT BACK
1 3/4
NOTES:
1. G200BBA has clear anodized nish.
2. Grille screws to the "face" of the condensing unit in place of the
factory wire guard.
(Optional Architectural Grille)
NOTE:
Compressor start assist devices (capacitor and start potential relay) may be required
on WCX units with scroll compressors for installations with long line length, unusually
high or low ambient operating conditions, thermostatic expansion valves or any
other situation which can lead to slow o cycle pressure equalization and excessive
compressor starting problems.
(1) SEER and capacity information are tested combination ratings and certied by
First Co. to the U.S. Department of Energy. DOE maintains a public database that
includes a complete listing of all appliance certications. To view (and search) this
listing, go to:
http://www.regulations.doe.gov/certication-data/
Catalog No. WCX(A)321 (Replaces wcx(a)1020)
In keeping with its policy of
continuous progress and product
improvement, First Co. reserves
the right to make changes without
notice. Maintenance for all First
Co. products is available under
“Product Maintenance” at
www.rstco.com.