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TXV
REMOVE FOAM BLOCK
LEGEND
TXV — Thermostatic Expansion Valve
Fig. 4 — Foam Block Location
Rated Indoor Airflow (cfm)
Tables 5-7 list the rated indoor airflow used for the AHRI
(Air-Conditioning, Heating, and Refrigeration Institute) effi-
ciency rating for the units covered in this document.
Table 5 — CAS (1 Circuit) with FAS
MODEL NUMBER
CAS072*A/B — FAS072
CAS072*G/H — FAS072
CAS091*A/B — FAS091
CAS091*G/H — FAS091
CAS121 — FAS120
CAS151 — FAS150
CAS181 — FAS180
Table 6 — CAS (2 Circuit) with FAS
MODEL NUMBER
CAS120 — FAS120
CAS151 — FAS150
CAS181 — FAS180
Table 7 — CHS with FHS
MODEL NUMBER
CHS072*A/B — FHS072
CHS072*G/H — FHS072
CHS091*A/B — FHS091
CHS091*G/H — FHS091
CHS121*A/B — FHS120
CHS121*G/H — FHS120
CHS180 — FHS180
12
COIL
FULL LOAD AIRFLOW (CFM)
2400
2625
3000
3000
4000
4375
6000
FULL LOAD AIRFLOW (CFM)
4000
4400
6000
FULL LOAD AIRFLOW (CFM)
2400
2400
3000
2625
3000
3000
6000
Specifications subject to change without notice.
Unit Positioning
The unit can be mounted on the floor for vertical application
with return air entering the face of the unit and supply air
discharging vertically through the top of the unit. The unit
can also be applied in a horizontal arrangement with return
air entering horizontally and the supply air discharging hori-
zontally. When applying the unit in a horizontal arrange-
ment, ensure the condensate drain pan is located at the
bottom center of the unit for adequate condensate disposal.
See Fig. 5 for condensate connections for each unit
position.
PLUG
CONDENSATE
DRAIN
Fig. 5 — Typical Unit Positioning
IMPORTANT: Do NOT attempt to install unit with return air
entering top panel of unit. Condensate will not drain from
unit.
Typical positioning and alternate return air locations are
shown in Fig. 5. Alternate return air locations can be used
by moving the unit panel from the alternate return air loca-
tion to the standard return air location. Refer to overhead
suspension accessory drawing (see Fig. 6) for preferred
suspension technique. The unit needs support underneath
to prevent sagging.
Unit Isolation
Where extremely quiet operation is essential, install isola-
tors between floor and base of unit, or between ceiling and
top section of unit.
Be sure that unit is level and adequately supported. Use
channels at front and sides of unit for reference points when
leveling.
FAS-FHS-072-180-01SI Rev. A
LEGEND
Accessory Line
Alternate Air Intake and Discharge
Air Intake and Discharge
PLUG
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