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Table 1D — Physical Data (48Z6,Z8075-105) (cont)
LEGEND
BASE UNIT 48Z6,Z8075 48Z6,Z8090 48Z6,Z8105
RETURN/EXHAUST FAN Plenum Fan, 47.13 in. (Any motor available on any unit.)
Quantity...Motor Hp 1...20 1...25 1...30 1...40
Motor Frame Size 256T 284T 286T 324T
Efficiency at Full Load (%) High/Premium 91/93.6 91.7/93.6 92.4/93.6 93/93.8
Fan Pulley Pitch Diameter (in.) 8.5 9.8 8.5 8.5
Motor Pulley Pitch Diameter (in.) 5.3 6.7 6.1 6.7
Shaft Diameter at Pulley (in.) 2
15
/
16
2
15
/
16
2
15
/
16
2
15
/
16
Resulting Fan Rpm 1104 1209 1271 1396
Maximum Allowable Rpm 1447 1447 1447 1447
FILTERS
Standard Efficiency Throwaway (Standard) 12...20 x 25 x 2 12...20 x 25 x 2 12...20 x 25 x 2
Quantity...Size (in.) 12...20 x 20 x 2 12...20 x 20 x 2 12...20 x 20 x 2
30% and 65% Pleated (Optional) 12...20 x 25 x 2 12...20 x 25 x 2 12...20 x 25 x 2
Quantity...Size (in.) 12...20 x 20 x 2 12...20 x 20 x 2 12...20 x 20 x 2
OPTIONAL ECONOMIZER FILTER Aluminum Frame, Permanent
Quantity...Size (in.)
12...16 x 25 x 1
2...16 x 20 x 1
12...16 x 25 x 1
2...16 x 20 x 1
12...16 x 25 x 1
2...16 x 20 x 1
CV — Constant Volume
HGBP — Hot Gas Bypass
MBtuh— Btuh in Thousands
TXV — Thermostatic Expansion Valve
VAV — Variable Air Volume