3
MODEL NUMBER NOMENCLATURE AND
DIMENSIONS
See Fig. 1 for 48HC model number nomenclature. See Fig. 2-6
for unit dimensional drawings. Figure 4 shows service clear-
ance dimensions.
Rated Indoor Airflow
Table 1 lists the rated indoor airflow used for the AHRI efficiency
rating for the units covered in this document.
WARNING
FIRE HAZARD
Failure to follow this warning could result in severe personal
injury and/or property damage.
Manifold pressure tap set screw must be tightened and
1
/
8
-in.
NPT pipe plug must be installed to prevent gas leaks.
MANIFOLD
GAS VALVE
MANIFOLD PRESSURE
TAP SET SCREW
Table 1 — Rated Indoor Airflow (CFM)
MODEL NUMBER FULL LOAD AIRFLOW (CFM)
48HC*A/B/F04 1050
48HC*A/B/F05 1400
48HC*A/B/F06 1625
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