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  Trane Company (The)   Single & Dual Duct VAV Terminal Units  

Single & Dual Duct VAV Terminal Units - Page 10

   

Single & Dual Duct VAV Terminal Units

General Data

delta  T P Chart Cfm Guidelines

Figure G-1 —Static Sensor delta P Signal versus Air Flow Delivery

Table G-1 — Static Pressure Required To Deliver Nominal Airflow (1) — Inches W.G.

Nominal CFM
  300 600 1100 1700 2400 3200 4200
Inlet Size (Inches)
  5 6 8 10 12 14 16
VCCE N.C. Value (2) — 21 20 16 19 22 26
VDDE N.C. Value (2) — 17 21 22 22 22 29
VCCE .38 .25 .23 .16 .12 .16 .22
VCEE .41 .27 .35 .17 .17 .17 ,25
VCWE STHW .44 .44 .49 .35 .34 .36 .47
VCWE HIHW .52 .67 .76 .52 .53 .48 .68
VDDE .46 .26 .47 .16 .18 .22 .54

Table G-2 — Static Pressure Required To Deliver Nominal Airflow (1) (Metric) — Pascals

Nominal L/s
  142 283 519 802 1 133 1 510 1 982
Inlet Size (mm)
  127 152 203 254 305 356 406
VCCEN.C.Value(2) — 21 20 16 19 22 26
VDDEN.C.Value(2) — 17 21 22 22 22 29
VCCE 94.62 62.25 57.27 39.84 29.88 39.84 54.78
VCEE 102.09 67.23 87.15 42.33 42.33 42.33 62.25
VCWESTHW 114.54 107.07 134.46 136.95 134.46 141.93 144.42
VCWEHIHW 122.01 149.40 211.65 126.99 146.91 134.46 186.75
VDDE 114.54 64.74 117.03 39.84 44.82 54.78 134.46

Notes

1. Static requirement for losses downstream of the box are not included. Losses shown are for outlet connection code

FL or SD.

2. In accordance with ARI Standard 885 at minimum inlet static pressure, for transfer function used in Performance Data

section of catalog.

3. "-" represents NC levels below NC 15.



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