Identifying Factory Option; Unit Installation With Sav Option - Carrier WeatherMaster Puron 48HC D17 Service And Maintenance Instructions

call for the second stage of cooling is required, the SAV system
will allow the design airflow rate for the unit established
(100%). During the heating mode, the SAV system will allow
total design airflow rate (100%) operation. During ventilation
mode, the SAV system will operate the fan motor at

Identifying Factory Option

This supplement only applies to units that meet the criteria de-
tailed in Table 1. If the unit does not meet that criteria, discard
this document.
Table 1 — Model Size/VFD Option Indicator
POSITION IN
MODEL/SIZES
MODEL NUMBER
48HC 17-28
NOTE: See Fig. 9 for an example of typical Model Number
Nomenclature.

Unit Installation with SAV Option

48HC ROOFTOP
Refer to the base unit installation instructions for standard re-
quired operating and service clearances.
NOTE: The Remote VFD Keypad is a field-installed option. It is
not included as part of the factory-installed VFD option. See Vari-
able Frequency Drive (VFD) Installation, Setup and Trouble-
shooting Supplement for wiring schematics, performance charts,
and configuration. See Fig. 8 for location of the VFD as mounted
on the various 48HC models.
Enter Unit's
Model Number:
Position:
Example:
Product Type
Product Series
Heat Options
Refrig. Systems Options
Cooling Tons
Sensor Options
Indoor Fan Options
Coil Options (RTPF) (Outdoor - Indoor - Hail Guard)
Voltage
Design Revision
Base Unit Controls
/ speed.
2
3
VFD FIOP
INDICATOR
17 G, J
THIS UNIT'S MODEL NUMBER
1 2 3 4 5 6 7
4 8 H C D D 2
Fig. 9 — Model Number Nomenclature Example for 48HC Series
Fig. 8 — VFD Location for 48HC 17-28 Units
8 9 10 11 12 13 14 15 16 17 18
4 A 2 A 6 - 0 A
Intake / Exhaust Options
6
0 G 0
Factory Assigned
Electrical Options
A = None
C = Non-Fused Disconnect
D = Thru-The-Base Connections
F = Non-Fused Disconnect and
Thru-The-Base Connections
G = Two-Speed Blower
J = Non-Fused Disconnect and
Two-Speed Blower
K = Through the basepan electrical
and Two-Speed Blower
M = non-Fused Disconnect and
Through the basepan electrical
and Two-Speed Blower
Service Options
VARIABLE
FREQUENCY
DRIVE (VFD)