Nailor BAC-8001-36 Installation And Operation Manual - page 47
IOM-EZVAVINST
Date: 10-2016
Supersedes: 7-2016
Nailor reserves the right to change any information concerning product or specification without notice or obligation.
Page 47 of 48
Installation and Operation Manual
●
EZvav Digital Controls
DiamondFlowSensorK-FactorsforVAVTerminalUnits
Model Series:
3000 Single Duct
3210 Dual Duct
35S-OAI Series Fan Powered w/ O.A. Damper
38S Underfloor Fan Powered
Inlet Duct Area K-Factor Velocity F-Factor
Size Type (sq. ft.) (cfm) (fpm) (amp.)
4 0.087 182 2092 3.67
5 0.136 325 2390 2.81
6 0.196 455 2321 2.98
7 ROUND 0.267 657 2461 2.65
8 0.349 899 2576 2.42
9 0.442 1158 2620 2.34
10 0.545 1497 2747 2.13
12 0.754 2058 2729 2.15
14 OVAL 0.970 2554 2633 2.31
16 1.186 3035 2559 2.45
24 x 16 RECT. 2.667 6797 2549 2.47
Model Series:
3100 Single Duct
3230 Dual Duct
3240 "Blendmaster" Dual Duct
35N Parallel Fan Powered
35S Series Fan Powered
35S-CVP Pressurization Series Fan Powered
35SST "Stealth
TM
" Series Fan Powered
36VRR Round Retrofit
Inlet Duct Area K-Factor Velocity F-Factor
Size Type (Sq. ft.) (cfm) (fpm) (amp.)
4 0.087 182 2092 3.67
5 0.136 325 2390 2.81
6 0.196 455 2321 2.98
7 0.267 657 2461 2.65
8 ROUND 0.349 899 2576 2.42
9 0.442 1158 2620 2.34
10 0.545 1497 2747 2.13
12 0.785 2048 2609 2.36
14 1.069 2742 2565 2.44
16 1.395 3683 2640 2.30
18 OVAL 1.683 4323 2569 2.43
Model Series:
37N Low Profile Parallel Fan Powered
37S Low Profile Fan Powered
37SST Low Profile "Stealth
TM
" Fan Powered
Inlet Duct Area K-Factor Velocity F-Factor
Size Type (Sq. ft.) (cfm) (fpm) (amp.)
4 0.087 182 2092 3.67
5 0.136 325 2390 2.81
6 ROUND 0.196 455 2321 2.98
8 0.349 899 2576 2.42
10 0.545 1497 2747 2.13
14 x 8 RECT. 0.777 2035 2619 2.34
14 x 10 RECT. 0.972 2417 2487 2.59
Model Series:
36VRS Square/Retangular Retrofit
Unit Damper Damper K-Factor Velocity F-Factor
(valve) (valve)
Size
Type
Size (inches) Area (sq. ft.) (cfm) (fpm) (amp.)
7 5 x 5 0.174 479 2753 2.12
8 6 x 6 0.250 689 2756 2.11
9 8 x 6 0.333 919 2760 2.11
10 10 x 8 0.555 1531 2759 2.11
11 14 x 8 0.778 2150 2763 2.10
11A 18 x 6 0.750 2068 2757 2.11
12 SQUARE 12 x 10 0.833 2297 2758 2.11
13 OR 18 x 10 1.250 3446 2757 2.11
14 RECT. 18 x 12 1.500 4135 2757 2.11
15 20 x 14 1.944 5360 2757 2.11
15A 30 x 12 2.500 6892 2757 2.11
16 22 x 16 2.444 6739 2757 2.11
17 24 x 18 3.000 8270 2757 2.11
18 30 x 20 4.167 11486 2756 2.11
19 40 x 20 5.555 15315 2757 2.11
Equations:
Q = K x
∆
P
∆
P =
(
___
)
2
F =
(
________
)
2
Where: Q = Airflow Rate (cfm)
∆
P = Sensor Differential Pressure ("w.g.)
K = K-Factor Calibration Constant (standard air)
F = Amplification Factor (sensor gain)
A = Nom. Duct Area (sq. ft.)
The K-Factors tabulated in the above tables are the air-
flow required to produce a 1.0" w.g. differential pressure
at the Diamond Flow Sensor.
Q
K
4005 x A
K
Model Series:
30HQX Single Duct Exhaust (Hospital Grade)
30X Single Duct Exhaust
Unit Valve Inlet Valve Inet K-Factor Velocity F-Factor
Size Type Size (inches) Area (sq. ft.) (cfm) (fpm) (amp.)
4 3.4 x 3.4 0.080 210 2625 2.33
5 4.3 x 4.3 0.128 345 2695 2.21
6 5.5 x 5.5 0.210 580 2762 2.10
7 5.8 x 6.3 0.254 680 2677 2.24
8 SQUARE 6.7 x 7.2 0.335 970 2896 1.91
9 OR 8.6 x 7.1 0.424 1209 2851 1.97
10 RECT. 9.5 x 8.0 0.528 1539 2915 1.89
12 13.6 x 8.1 0.765 2269 2966 1.82
14 12.9 x 10.8 0.968 2521 2604 2.36
16 18.3 x 10.8 1.373 3586 2612 2.35
24 x 16 26.1 x 16.3 2.954 7009 2373 2.85
For most up to date Diamond Flow Sensor K-Factors for
VAV Terminal Units “IOM-VAVK” go to
www.nailor.com