Carnes FAQA User Manual

Page 1

SPECIFICATION SHEET

Stainless Steel Airfoil Blade Control Damper/Zone Damper

(w/Optional Insulated Blade)

Model FAQA - Opposed Blade, Model FARA - Parallel Blade

CARNES COMPANY, 448 S. Main St., P. O. Box 930040, Verona, WI 53593-0040 Phone: (608)845-6411 Fax: (608)845-6504 [email protected]

Model FAQA & FARA

Standard Specifications Frame: 304 stainless steel Blades: 6” wide stainless steel airfoil Extended Shaft: 1/2” diameter Bearing: nylon Linkage: concealed in frame Axels: zinc plated Blade Seals: PVC (175°F) Jamb Seals: stainless steel (compression)

Options

- Hand Quadrant

- Chain Operated

- Factory Installed Pneumatic or Electric Actuators

- Position Switch

- Stand Off Bracket, 2”

- Side Plate (End Flange)

- Face and By-pass Damper

- Single Flange

- Double Flange

- Bolt Holes in Flange

- 6-1/2” Deep Frame

- 304L Stainless Steel Construction*

- 316L Stainless Steel Construction*

- 12 ga. Construction

- 10 ga. Construction

- Heresite Coated (Air Dry)

- Expoxy Coated (Powder Coated at 415°)

- Insulated (Foam Filled Blades)

4.5”

*Undersized 1/4”

Standard

Minimum Size: 8”w x 8”h Maximum Size: 48”w x 60”h (single section) 9”h and under - single blade Maximum Multi-Section: Unlimited

(*304 stainless steel linkage)

Tag Qty.

Size

Width Height

Frame Variations

Project Location Arch./Engr. Contractor Representative Date

SUPERSEDES 17174 17174-A

Page 2

Model FAQA & FARA Performance Data

Imperial Units (Forward Flow)

Damper

Width x Height

1 in. w.g. Class 4 in. w.g. Class 8 in. w.g. Class

(per sq. ft.) 12” x 12” Class I Class II Class II 15 lbs-in 24” x 24” Class I Class I Class I 12.59 lbs-in 36” x 36” Class II Class II Class II 15.55 lbs-in 12” x 48” Class III Class III Class II 12.59 lbs-in 48” x 12” Class I Class I Class I 12.59 lbs-in 60” x 36” Class II Class II Class II 15 lbs-in

*Torque applied to hold damper in closed position. **Only 36” x 36” size is certified by Certaire Technical Servies, LTD.

Leakage, ft.3/min/ft.

Required Rating Extended Ranges (optional)

Class

Pressure

1” 4” 8” 12”

I4811 14

II 10 20 28 35

III 40 80 112 140

All data corrected to represent standard air at a density of 0.075 lbs/ft.

*Torque

Air leakage is based on operation between 50°F to 104°F. All data corrected to represent air density of 0.075 lbs/ft.

75mm ± 6mm

(3 in. ± .025 in.)

Device

W x H

being

tested

Figure 5.4 - Test Device Setup with Outlet Chamber

PL-1

PL-7 PL-X

M/2 min.

PL-Y

M/2 min.

AIRFLOW

Note: For pressure drop testing an outlet

chamber shall have a cross sectional area at least fifteen times the free area of the device being tested.

PL-A

PL-B PL-5 PL-6

M/2 min.

Figure 6.3 - Airflow Rate Measurement Setup -

38mm ± 6mm

M/2 min.

(1.5 in. ± .025 in.)

38mm ± 6mm (1.5 in. ± .025 in.)

Any

2.5 D

angle

min.

D6 = Throat dia. of largest nozzle

s7Pn

Settling means

Multiple Nozzle Chamber on Fan Inlet

Variable exhaust

system

17174-A, pg 2

Page 3

Model FAQA & FARA Performance Data

Standard International Units (Forward Flow)

Damper

Width x Height

(mm)

305 x 305 Class I Class II Class II 2,679 grams-cm 610 x 610 Class I Class I Class I 2,248 grams-cm

915 x 915 Class II Class II Class II 2,735 grams-cm 305 x 1220 Class III Class III Class II 2,248 grams-cm 1220 x 305 Class I Class I Class I 2,248 grams-cm 1525 x 915 Class II Class II Class II 2,679 grams-cm

250 Pa Class 1 kPa Class 2 kPa Class *Torque

*Torque applied to hold damper in closed position. **Only 915 x 915 size is certified by Certaire Technical Servies, LTD.

Air leakage is based on operation between 10°C to 40°C. All data corrected to represent air density of 1.201 kg/m

Leakage, L/s/m

Required Rating Extended Ranges (optional)

Class

Pressure

0.25 kPa 1.0 kPa 2.0 kPa 3.0 kPa

I 20.3 40.6 55.9 71.1

II 50.8 102 142 178

III 203 406 569 711

PL-1

PL-7 PL-X

75mm ± 6mm

M/2 min.

(3 in. ± .025 in.)

Device

being

W x H

tested

Note: For pressure drop testing an outlet

chamber shall have a cross sectional area at least fifteen times the free

area of the device being tested.

Figure 5.4 - Test Device Setup with Outlet Chamber

M/2 min.

AIRFLOW

PL-Y

PL-A

PL-B PL-5 PL-6

M/2 min.

Figure 6.3 - Airflow Rate Measurement Setup -

38mm ± 6mm

M/2 min.

(1.5 in. ± .025 in.)

38mm ± 6mm (1.5 in. ± .025 in.)

Any

2.5 D

angle

min.

D6 = Throat dia. of largest nozzle

s7Pn

Settling means

Multiple Nozzle Chamber on Fan Inlet

Variable exhaust

system

17174-A, pg 3

Page 4

Model FAQA & FARA Performance Data Pressure Drop

STATIC PRESSURE DROP (INCHES W.G.)

FACE AREA VELOCITY (ft/min)

Based on standard air -.075 lbs per cu ft FAQA & FARA sizes: 12x12, 24x24, 48x12, 12x48, 36x36 (305x305, 610x610, 1219x305, 305x1219, 914x914)

**Only 36” x 36” size is certified Certaire Technical Services, LTD.

Pressure Limitations

12” x 12” (305mm x 305mm)

Face Velocity

ft./min. (m/s)

1000 (5.08) 0.14 (35) 1500 (7.62) 0.32 (79)

2000 (10.16) 0.53 (132)

24” x 24” (610mm x 610mm)

Face Velocity

ft./min. (m/s)

1000 (5.08) 0.02 (5) 1500 (7.62) 0.05 (12)

2000 (10.16) 0.10 (25)

48” x 12” (1219mm x 305mm)

Face Velocity

ft./min. (m/s)

1000 (5.08) 0.05(12) 1500 (7.62) 0.13 (32)

2000 (10.16) 0.22 (55)

12” x 48” (305mm x 1219mm)

Face Velocity

ft./min. (m/s)

1000 (5.08) 0.02 (5) 1500 (7.62) 0.05 (12)

2000 (10.16) 0.10 (25)

Pressure

Drop in w.g. (Pa)

Pressure

Drop in w.g. (Pa)

Pressure

Drop in w.g. (Pa)

Pressure

Drop in w.g. (Pa)

SECTION WIDTH

MAXIMUM DAMPER

MAXIMUM DESIGN TOTAL STATIC

PRESSURE INCHES WATER GAGE

From supply system and flow measuring section

PL-Y

PL-X

6D min.

D ± 0.02D

Inlet cone required if attached to plenum

Device being tested

Figure 5.3 - Test Device Setup with Outlet Chamber

PL-9

PL-1

PL-2

PL-4

10D min. D ± 0.02D

PL-Z

Variable

supply

system

Settling means

36” x 36” (914mm x 914mm)

Face Velocity

ft./min. (m/s)

1000 (5.08) 0.14 (35) 1500 (7.62) 0.35 (87)

2000 (10.16) 0.48 (120)

M/5 min.

Pressure

Drop in w.g. (Pa)

PL-5 PL-6

M/2 min.

PL-A

38mm ± 6mm (1.5 in. ± .025 in.)

2.5 D

min.

PL-B

Settling means

Ps5P

D6 = Throat dia. of largest nozzle

Figure 6.5 - Airflow Rate Measurement Setup -

Multiple Nozzle Chamber on Fan Inlet

M/2 min.

17174-A, pg 4