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Table 1 — 40RFA 6-10 Ton Direct Expansion With Puron Refrigerant Units
UNIT 40RFAA07 40RFAA08 40RFAA12
NOMINAL CAPACITY (Tons) 67-1/210
OPERATING WEIGHT (lb)
Base Unit with TXV (4 Row) 399 404 425
Plenum 175 175 175
Economizer 185 185 185
Hot Water Coil
a
a. Field-installed accessory only.
195 195 195
Steam Coil
a
215 215 215
FANS
Qty...Diam. (in.) 1…23 1…23 1…23
Nominal Airflow (cfm) 2400 3000 4000
Airflow Range (cfm) 1800-3000 2250-3750 3000-5000
Nominal Motor HP (Standard Motor)
b
b. 40RF units are medium static option
208/230-3-60 and 460-3-60 2.4 2.4 2.4
575-3-60 2.4 2.4 2.4
Motor Speed (RPM)
208/230-3-60 and 460-3-60 2000 2000 2000
575-3-60 2000 2000 2000
REFRIGERANT
c
c. Units are shipped without refrigerant charge.
Puron (R-410A) Puron (R-410A) Puron (R-410A)
Shipping Charge (lb) Nitrogen Purge Nitrogen Purge Nitrogen Purge
Metering Device TXV TXV TXV
Operating Charge (lb) (approx per circuit) 3.0 3.0 1.5/1.5
DIRECT-EXPANSION COIL Enhanced Copper Tubes, Aluminum Sine-Wave Fins
Max Working Pressure (psig) 650 650 650
Material Al / Cu Al / Cu Al / Cu
Coil Type RTPF RTPF RTPF
Face Area (sq ft) 6.67 8.33 10.01
No. of Splits 112
Split Type...Percentage — — Face...50/50
No. of Circuits per Split 12 15 9
Rows...Fins/in. 4...15 4...15 4...15
STEAM COIL
a
Max Working Press. (psig at 260°F) 20 20 20
Total Face Area (sq ft) 6.67 6.67 6.67
Rows...Fins/in. 1...9 1...9 1...9
HOT WATER COIL
a
Max Working Pressure (psig) 150 150 150
Total Face Area (sq ft) 6.67 6.67 6.67
Rows...Fins/in. 2...8.5 2...8.5 2...8.5
Water Volume
(gal) 8.3 8.3 8.3
(ft
3
) 1.1 1.1 1.1
PIPING CONNECTIONS
Quantity...Size (in.)
DX Coil—Suction (ODF) 1...1-1/8 1...1-1/8 2...1-1/8
DX Coil — Liquid Refrig, (ODF) 1...5/8 1...5/8 2...5/8
Steam Coil, In (MPT) 1...2-1/2 1...2-1/2 1...2-1/2
Steam Coil, Out (MPT) 1...1-1/2 1...1-1/2 1...1-1/2
Hot Water Coil, In (MPT) 1...1-1/2 1...1-1/2 1...1-1/2
Hot Water Coil, Out (MPT) 1...1-1/2 1...1-1/2 1...1-1/2
Condensate (PVC) 1...5/8 ODM / 1-1/4 IDF
FILTERS Throwaway — Factory-Supplied
Quantity...Size (in.) 4...16 x 24 x 2
Access Location Right or Left Side
LEGEND
DX — Direct Expansion
IDF — Inside Diameter, Female
ODF — Outside Diameter, Female
ODM — Outside Diameter, Male
TXV — Thermostatic Expansion Valve
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