Carrier 38AUQ - Installation; Jobsite Survey; Step 1 Plan for Unit Location

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
3 8 A U Q A 1 2 A 0 C 6 - 0 A 0 A 0
Model Type
38AU = Carrier Condensing Unit
Puron ® R-410A Refrigerant
Type of Coil
Q = Heat Pump Scroll Compressor
Refrigerant Options
A = None
B = Low Ambient
Nominal Tonnage
07 = 6 Tons
08 = 7.5 Tons
12 = 10 Tons
Not Used
A = Not Used
Not Used
0 = Not Used
Coil Options
A = AI/Cu
B = Precoat AI/Cu
C = E-Coat AI/Cu
E= Cu/Cu
M = AI/Cu with Hail Guard
N = Precoat AI/Cu with Hail Guard
P = E-Coat AI/Cu with Hail Guard
R = Cu/Cu with Hail Guard
Packaging
0 = Standard
1 = LTL
Electrical Options
A = None
C = Non-Fused Disconnect
Service Options
0 = None
1 = Un-powered Convenience Outlet
2 = Powered Convenience Outlet
Not Used
A = Place Holder
Base Unit Controls
0 = Electro-Mechanical Controls
Design Revision
A = Initial Rev (Discrete Model Number)
Voltage
1 = 575/3/60
5 = 208/230/3/60
6 = 460/3/60
Cl1033
Fig. 2 - Model Number Nomenclature
POSITION NUMBER
TYP CAL
POSITION
1-2
3-4
5
6-10
DESIGNATES
Week of manufacture (fiscal calendar)
Year of manufacture ('11" = 2011 )
Manufacturing location (G = ETR Texas, USA)
Sequential number
Fig. 3 - Serial Number Nomenclature
Cl1034
.INSTALLATION
Jobsite Survey
Complete the following checks before installation.
1. Consult local building codes and the NEC (National
Electrical Code) ANSI/NFPA 70 for special installa-
tion requirements.
2. Determine unit location (from project plans) or select
unit location.
3. Check for possible overhead obstructions which may
interfere with unit lifting or rigging.
Step 1 m Plan for Unit Location
Select a location for the unit and its support system (pad,
rails or other) that provides for the minimum clearances
required for safety. This includes the clearance to
combustible surfaces, unit performance and service access
below, around and above unit as specified in unit
drawings. See Fig. 4.
Select a unit mounting system that provides adequate
height to allow for removal and disposal of frost and ice
that will form during the heating-defrost mode.
NOTE: Consider also the effect of adjacent units on
airflow performance and control box safety clearance.