conceptual design plan - required …...check mixed air temperature and preheater size (make‐up...

House Floor plans Framing plans Heating Forced warm air

Plans: Elevations Site plan System: Baseboard Radiant

1.2.3.4.

Ventilation Strategy:

Distribution Strategy:

Basic System Type:

Method of Dealing with Pressure Imbalances:

Control System:

Special Customer Requirements:

Ventilation Equipment:1.2.3.4.5.

Other Exhaust Appliances: (list)1.2.3.4.

Prepared By: HRAI #: Job Name:

Signature: Date: Job #: Official Use:

W‐0

Combustion Appliances

CONCEPTUAL DESIGN PLAN - REQUIRED INFORMATION CHECKLIST

Draft Type

Exhaust only (worksheet W‐1A)

Balanced‐combined with forced air (worksheet W‐1B)

Balanced‐direct ducted (worksheet W‐1C)

© Copyright HRAI Residential Ventilation WORKSHEET W‐0 r 08/10

W‐1AFEATURES• Central or local exhaust fans• Make‐up air by infiltration

Forced warm air heating system?or NO

Small capacity recirculation system?

YES

NO

NO

= required, X = not required

Ventilation capacity W‐2Exhaust requirements W 2

Exhaust Only SystemDETAILED DESIGN PLAN

Spillage Susceptible

YES

DETAILED DESIGN TASKS:

May require make‐up air system

interlocked to ventilation systemand/or exhaust appliances

combustion appliance(s)?CAUTION

Will not meet ventilation distribution requirements

STOP

Ventilation Record

Heat recovery required?

Use balanced heat recovery system

Use worksheet W‐1B or W‐1C

Proceed with detailed design

STOP

worksheet #

Ventilation Record

YES

Exhaust requirements W‐2 System layout, recirculation system (forced warm air or small capacity recirculation) plan Imbalance at TVCC (exhaust larger than supply) or field test W‐3A Imbalance at CEC (only if spillage susceptible appliances ) or field test W‐3C Check mixed air temperature and preheater size (make‐up air connected to forced air) W‐4B

System layout, grille size, door undercuts (central exhaust fan) plan + W‐5 Select fan and size ducts (single‐duct fans, range hoods, bath fans etc., if required) W‐6A Select fan and size ducts (central fan if required) W‐6B Select fan and size ducts (small capacity recirculation system, if required) W‐6B

Size powered air intake/make‐up air duct (if required) W‐6C Size furnace outside air duct (if required) W‐6D

Size passive make‐up air duct (if required) W‐6E Describe control strategy W‐7 Other

Other



Ventilation Record

YES

© Copyright HRAI Residential Ventilation WORKSHEET W1‐A r 08/10

W‐1BFeatures• Ventilation supply air connected to return duct of forced air

• Dedicated exhaust ducting or "simplified connection"

NO

NO


= required, X = not required DETAILED DESIGN TASKS:

W‐2

W‐2

worksheet #

Exhaust requirements

Ventilation RecordVentilation capacity

Ventilation Record

DETAILED DESIGN PLAN

Spillage Susceptible

combustion appliance(s)?

Ventilation supply connected toforced air without heat recovery?

CAUTIONIntake air heater may be required.

Check forced air system mixed air

YES

temperature & heater capacity

CAUTIONMay require make‐up air system

interlocked to exhaust appliance(s)

Balanced System, Combined with Forced Air

HRV/ERV based system?

YES

System layout, recirculation system (forced warm air) plan

W‐3C

Adjust HRV/ERV airflow W‐4A

Check mixed air temperature, preheater size (intake or HRV/ERV connected to forced air) W‐4BCheck delivered air temperature, select intake air heater (if required) W‐4C

plan + W‐5

Select fan and size ducts (single‐duct fans, range hoods, bath fans etc., if required) W‐6A

Select fan and size ducts (HRV/ERV or central fan if required) W‐6B

Size powered air intake duct (if required) W‐6C

Size furnace outside air intake duct (if required) W‐6D

Size passive make‐up air duct (if required W‐6E

Describe control strategy W‐7



Other

System layout, grille size, door undercuts (HRV/ERV or central fan)

Imbalance at CEC (only if spillage susceptible appliances ) or Field Test


YES

© Copyright HRAI Residential Ventilation WORKSHEET W1‐B r 08/10

W‐1CFeatures• HRV/ERV or exhaust + intake fan and heater

• Direct supply or exhaust from all habitable rooms

NO

YES Yes

Caution Spillage Susceptible May require make‐up air system

combustion appliance(s)? interlocked to exhaust appliance(s)

NO


= required, X = not required DETAILED DESIGN TASKS:

Ventilation capacity W‐2 Exhaust requirements W‐2

Ventilation Record

Ventilation Record

DETAILED DESIGN PLANBalanced System, Direct Ducted

worksheet #


YES

Exhaust system with intake fan and heater?

Check air delivery arrangement(high or low wall) against

heater capacity

Check air delivery arrangement (high or low wall) againstHRV/ERV effectiveness

Exhaust requirements W 2 Imbalance at CEC (only if spillage susceptible appliances ) W‐3C Adjust HRV/ERV airflow (if required) W‐4A Check delivered air temperature /select intake air heater (if required) W‐4C

System layout, grille size, door undercuts (central fan or HRV/ERV) plan + W‐5 Select fan and size ducts (Single‐duct fans, range hoods, bath fans etc., if required) W‐6A Select fan and size ducts (central fan/HRV/E W‐6B Size powered air intake duct (if required) W‐6C Size passive air intake (if required) W‐6E Describe control strategy W‐7 Other

Other



Ventilation Record


YES

Exhaust system with intake fan and heater?

Check air delivery arrangement(high or low wall) against

heater capacity

Check air delivery arrangement (high or low wall) againstHRV/ERV effectiveness

© Copyright HRAI Residential Ventilation WORKSHEET W1‐C r 08/10

A H Oil Other

Solid Fuel (including Fireplaces) I Direct Vent (sealed combustion)

Positive Venting Induced Draft P.C.

Email Address:

B Clothes Dryer(s) J Downdraft Cook Top

Other (exhaust) P.C.

No

C @ 20 cfm Email Address:

@ 10 cfm

@ 10 cfm CSA F326 M‐91

@ 10 cfm R‐2000Signature: Date:

Controls Functioning KD Filters Clean

@ 60 = cfm Dampers Accessible

@ 20 = cfm Drain loop and connectioncfm

@ 100 = cfm @ 50 = cfm

cfm

E LF

M

G 1 cfm P.C.

TVC HVI

2 cfm Email Address:

TVC HVI

3 cfm

TVC HVI R‐2000

4 cfm

TVC HVI



Date: Manufacturer/Model:

Location: Signature:(exhau

st)EQUIPMEN

T

Location:

% Sensible Efficiency @ ‐25°C

ADDITIONAL

Manufacturer/Model:

Location:

Sones

I certify this ventilation system install to be in accordance with:Manufacturer/Model:

CSA F326 M‐91Location: Sones

Manufacturer/Model:

TVC

Manufacturer/Model: HVI rated

cfm HighDesign Airflow cfm high cfm low

HRV/ERV % Sensible Efficiency @ 0°C watts

Sones

Phone:

Sones

cfm High cfm Low

MEA

SURE

D

Fax:

Address:City:

TVC SYSTEM

S

cfm Low

Continuo

us Minimum Continuous Exhaust

Insulated ducts sealed

SYSTEM

Location: TVC system EXHAUST airflow measured

watts Name: HRAI #: HRV/ERV

TVC system SUPPLY airflow measured

EXHAUST CAPA

CITY

Kitchen(s) cfm Label supply/exhaust hoodBathroom(s)

Total Forced air system Continuous mode Interlocked

Kitchen intake grease filter Kitchen exh. 40" to range

Interm

ittent Minimum Intermittent Exhaust

Total

TOTA

L VEN

TILA

TION Other Bedrooms cfm I certify this ventilation system design to be in accordance with:

Bathrooms & Kitchens cfm

cfmTotal Ventilation Capacity (TVC) cfm

Fans operating and clean

CAPA

CITY

(TVC)

Bsmt & Master Bedroom

EXHAUST (220 cfm default) Address:

(over 150 cfm) City: Depressurization test/Calc. Required? Fax: EQ

UIPMEN

T (150 cfm default) Name: HRAI #:

Yes Phone:

cfm

Other Hab. Rooms

INSTALLATION CHEC

KLIST

Exhaust 4" above grade Supply 18" above gradeKitchen(s) cfm Supply intake 6' from exhaust (recommended)Bathroom(s)

Other #

DESIGNER

Flow measuring stations

cfm Supply intake 3' from other exhaust

cfm Distribution to all habitable rooms (non forced air)

House ID#:

BUILDERNo Dep Limit Address:

Lowest Depressurization Limit _________ Pa.

Pascals limit City: Natural Draft or B‐Vent Atmospheric 5 pa depress limit Phone: Fax:

INSTALLER

RESIDENTIAL MECHANICAL VENTILATION RECORDFor Certification of Design and Performance of Residential Ventilation Systems W2

COMBU

STION APP

LIANCE

S

Forced Air Non Forced air Roll #: Permit #:

LOCA

TION

HEA

TING SYSTEM/

Electric Gas Lot & Plan: No Combustion Appliances No Depressurization limit Civic address:

5 pa Depress limit Name:


W‐3Aline #

1. FLOOR AREA ft2 301 (total heated floor area including basement; count crawl space at 1/2 actual area)

House ACH50 302

3. COMBUSTION APPLIANCE DEPRESSURIZATION LIMIT

pa 303

304

4. ALLOWABLE NET EXHAUST

305

cfm

5. ACTUAL NET EXHAUST cfm 306

‐ minus

cfm 307

= equals

cfm 308

Total Floor Area

IMBALANCE @ TVCC (Total Ventilation Capacity Condition)

TVCC Exhaust

Allowable Net Exhaust @ TVCC

Flow Factor

Floor Area (301) ________ ft2 x ACH50 (302) ________ x Flow Factor (304) ________ =

2. ASSUMED AIR CHANGES PER HOUR AT 50 PASCAL'S

If spillage susceptible, = ‐5pa.

If non‐spillage susceptible, = ‐10pa

for systems with more exhaust than supply @ TVCC

flow factor = 0.037

flow factor = 0.022 Depressurization Limit @ TVCC

TVCC Supply

Actual Net Exhaust @ TVCC

Tight R‐2000 0.5 ACH Typical R‐2000 1.0 ACH Prairies/North (new) 1.0 ACHAtlantic (new) 1.5 ACH Other provinces (new) 1.4 ACH Older homes 2.5 ACHor actual test _________

Note: If supply is greater than exhaust, use worksheet #W‐3B

6. REQUIRED MAKE‐UP AIR FLOW

cfm

‐ minus

cfm

= equals

cfm 309

pa

7. DESCRIPTION OF MAKE‐UP AIR SYSTEM

8. ON‐SITE TEST DEPRESSURIZATION TEST Required Not Required 310

Prepared By: HRAI #:

Signature: Date: Official Use:

Job Name:

Job #:

Actual Net Exhaust @ TVCC (line 308)

Required Make‐Up Airflow @ TVCC

At Depressurization Limit (line 303)

Allowable Net Exhaust @ TVCC (line 305)

Note:If Actual Net Exhaustis less than AllowableNet Exhaust no actionis required.


© Copyright HRAI Residential Ventilation WORKSHEET W‐3A r 08/10

W‐3Bline #

1. FLOOR AREA Total Floor Area ft2 301

302

3. ALLOWABLE NET SUPPLY

cfm 311

4. ACTUAL NET EXHAUST TVCC Supply cfm 312

‐ minus

cfm 313

= equals

cfm 314

5. REQUIRED RELIEF AIR FLOW

cfm

‐ minus

cfm

= equals

IMBALANCE @ TVCC (Total Ventilation Capacity Condition)for systems with more supply than exhaust @ TVCC

Allowable Net Supply @ TVCC

House ACH50

Actual Net Supply @ TVCC (line 314)

TVCC Exhaust

Allowable Net Supply @ TVCC (line 311)

Note: If exhaust is greater than supply, use worksheet #W‐3A

Actual Net Supply @ TVCC

(total heated floor area including basement; count crawl space at 1/2 actual area)

Floor Area (301) __________ ft2 x ACH50 (302) _________ x 0.037 =


Note:If Actual Net Supplyis less than AllowableNet Supply no action


= equals

cfm

315

6. DESCRIPTION OF RELIEF AIR SYSTEM

7. ON‐SITE PRESSURIZATION TEST Required Not Required 316



Required Relief Airflow @ TVCC

Note:If Actual Net Supplyis less than AllowableNet Supply no action is required.



W‐3Cline #

1. FLOOR AREA Total Floor Area ft2 301


House ACH50 302

3. COMBUSTION APPLIANCE DEPRESSURIZATION LIMITIf spillage susceptible = ‐5pa,

flow factor = 0.022 Depressurization Limit @ CEC pa 320if "other" appliance, limit =

for flow factor use chart at left Flow Factor 321

4. ALLOWABLE NET EXHAUST

cfm 322

5. ACTUAL NET EXHAUST TVCC Exhaust cfm 323‐ minus

cfm 324+ plus

cfm 325

cfm 325a

cfm 325b

IMBALANCE @ CEC (Critical Exhaust Condition)for systems with spillage susceptible combustion appliances

(total heated floor area including basement; count crawl space at 1/2 actual area)

Dryer Exhaust (default 150)

+ plus Large Exhaust Device over 150 cfm (a)

+ plus Large Exhaust Device over 150 cfm (b)

Floor Area (301) ________ ft2 x ACH50 (302) ________ x Flow Factor(321) ________ =

Allowable Net Exhaust @ CEC

manufacturer's rating = _____ pa

TVCC Supply

OTHER LIMIT = flow factor

‐5 to ‐10pa 0.022‐10 to ‐20pa 0.036‐20 to ‐30pa 0.059‐30 to ‐40pa 0.080‐40 to ‐50pa 0.101‐50 and over 0.143


cfm 325c= equals

cfm 326

6. REQUIRED MAKE‐UP AIR FLOW cfm

‐ minus cfm

= equals

cfm 327

pa

Required Not Required 328



+ plus Large Exhaust Device over 150 cfm (c)

Allowable Net Exhaust @ CEC (line 322)

8. ON‐SITE TEST DEPRESSURIZATION TEST

7. DESCRIPTION OF MAKE‐UP AIR SYSTEM

Required Make‐Up Airflow @ CEC

@ Depressurization Limit (line 320)

(List devices over 150 CFM) Actual Net Exhaust @ CEC

Actual Net Exhaust @ CEC (line 326)Note:

If Actual Net Exhaustis less than AllowableNet Exhaust no action is required.

OTHER LIMIT = flow factor

‐5 to ‐10pa 0.022‐10 to ‐20pa 0.036‐20 to ‐30pa 0.059‐30 to ‐40pa 0.080‐40 to ‐50pa 0.101‐50 and over 0.143



W‐4Aline #

1. EQUIPMENT Make:

Model:

2. LOW TEMPERATURE CORRECTION

401

402

403

x times

cfm 404

= equals

cfm 405

1. from map in the "Tables and Charts" section of the HRAI ventilation manual

2. lowest of supply or exhaust from HRV/ERV manufacturer spec sheet

3. from table in the "Tables and Charts" section of the HRAI ventilation manual

3. AIRFLOW ADJUSTMENT FACTOR

cfm 406

‐ minus

cfm

+ plus

cfm

= equals

cfm 406A

cfm

÷ divide by

cfm= equals

407

1) the GROSS SUPPLY AIRFLOW from HRV/ERV manufacturer spec sheet which

corresponds to the lowest NET SUPPLY AIRFLOW that meets or exceeds

the corresponding corrected ventilation rate from line 405



Notes:

Temperature Zone (note 1)

Low Temperature Ventilation Reduction (note 2)

Low Temperature Adjustment Factor (note 3)

Total Ventilation Capacity (TVC from W‐2)

Net Supply Airflow

Total Ventilation Capacity (404)

Low Temperature Corrected Ventilation Rate (405)

Low Temperature Corrected Ventilation Rate

Adjusted Design Gross Supply Airflow

Adjusted Design Gross Supply Airflow (406A)

HRV AIRFLOW ADJUSTMENTS

Notes:

Design Gross Supply Airflow (note 1)

Airflow Adjustment Factor

© Copyright HRAI Residential Ventilation WORKSHEET W4‐A r 08/10

W‐4B

line #

1. HRV AIR DELIVERY TEMPERATURE

% 408

DT= °C 409

100

°C 410

Note: use formula above or HRV air delivery temperature chart found in the Tables and If HRV/ERV not used DT = ODT

Charts section of the HRAI ventilation manual.

2. PERCENTAGE HOUSE AIRcfm 411

RAF ‐ OAF cfm 412

RAF

% 413Note: use formula above or percentage

house air chart found in the Tables and Charts section of the HRAI ventilation manual

3. MIXED AIR TEMPERATURE

MAT= °C

%100

°C 414

Note: use formula above or mixed air temperature chart

found in the Tables and Charts section of the HRAI ventilation manual

4. PREHEATING

15.5 °C

‐ minus

°C

= equals °C

415

°C

x times

cfm

x times

0.57

Note: Preheater only required if mixed air temperature is below ‐15.5 °C = equals

watts 416



Air Delivery Temperature (DT)

Outdoor Airflow (OAF) (Supply)

Return Airflow (RAF)

MIXED AIR TEMPERATURE ‐ FORCED WARM AIR SYSTEMS

Job Location:

HRV/ERV Apparent Sensible Effectiveness

Outdoor Design Temperature (ODT)

RAT ‐ [(RAT‐DT) x (100 ‐ %HA)]

TR = 15.5 ‐ MAT

Preheater = TR x RAF x 0.57

ODT + [(21 ‐ ODT) x %HRV/ERV eff.]

%HA = x 100

Temperature Rise (TR) (415)

Return Airflow (RAF) (412)

Preheater Size

Percentage House Air (%HA)

Air Delivery Temperature (DT) (410)

Percentage House Air (%HA) (413)

Mixed Air Temperature (MAT)

Temperature Rise (TR)

constant

Mixed Air Temperature (MAT) (414)

Minimum Mixed Air Temperature

Note: If TR (418) is a negative number no heater is required.


W‐4C

line #

1. HRV AIR DELIVERY TEMPERATURE

% 408

°C 409

100

°C 410

Note: use formula above or HRV air delivery temperature chart found in the Tables and

Charts section of the HRAI ventilation manual.

2. HEATING

°C 417

‐ minus

°C

= equals

°C 418

°C

x times

cfm 419

x times

DELIVERED AIR TEMPERATURE ‐ DIRECT DUCTED SYSTEMS OR MAKE UP AIR SYSTEMS

DT=

Job Location

Outdoor Design Temperature (ODT)

HRV/ERV Apparent Sensible Effectiveness

TR = DDT ‐ DT

If HRV/ERV not used DT = ODT

Air Delivery Temperature (DT)

Desired Delivered Air Temperature (DDT)

Temperature Rise (TR) (418)

Air Delivery Temperature (DT) (410)

Temperature Rise (TR)

System Airflow (SAF)

ODT + [(21 ‐ ODT) x %HRV/ERV eff.]

Note: If TR (418) is a negative number no heater is required.

Delivered Air Temperatureminimums:

high wall diffusers = 12°Cfloor diffusers = 15.5°C

constant 0.57

= equals

watts 420

Heater Type HRV Postheater Direct outside air heater



Heater = TR X SAF x 0.57 Heater Size

Delivered Air Temperatureminimums:

high wall diffusers = 12°Cfloor diffusers = 15.5°C


W‐5

SYSTEM: Small capacity recirculation

DOOR

UNDERCUT

Supply Exhaust Exhaust Supply TYPE SIZE

(cfm) (cfm) (cfm) (cfm) (inches)

Column 1 2 3 5 7 9 10 11

TOTAL CFM



ADJUSTED AIRFLOW

SYSTEM LAYOUT ‐ GRILLE SIZE ‐ DOOR UNDERCUTS

Balanced ventilation

Supply

(cfm)

4

Central Exhaust

(design airflow X col. 6)

6

AIRFLOW

ADJUST.

FACTOR

(line 407)

(cfm)

8

(as per system layout)

(type a or b)

ROOM NAME REQUIRED AIRFLOW GRILLE / DIFFUSERDESIGN AIRFLOW

AND TYPE (CSA F‐326 table 1)

Exhaust

© Copyright HRAI Residential Ventilation WORKSHEET W5 r 08/10

W‐6A1. EQUIPMENT 2. SYSTEM TOTAL EFFECTIVE LENGTH

Fan #. Actual Length Duct Run: ft

Make: Equivalent length outside hood: ft

Model : ft

ft

Design airflow: cfm ft

Equipment E.S.P.: "w.c. ft

ft

3. DUCT SIZE ft

ft

" dia.@ w.c. ft

Total Effective Length: ft

1. EQUIPMENT 2. SYSTEM TOTAL EFFECTIVE LENGTHFan #. Actual Length Duct Run: ft

Make: Equivalent length outside hood: ft

Model : ft

ft

Design airflow: cfm ft

Equipment E.S.P.: "w.c. ft

ft

3. DUCT SIZE ft

ft

" dia.@ w.c. ft

Total Effective Length: ft



DUCT SIZING ‐ SINGLE DUCT

Sketch

Sketch

© Copyright HRAI Residential Ventilation WORKSHEET W‐6A r 08/10

DUCT SIZING ‐ BRANCHED SYSTEM1. EQUIPMENT 2. DESIGN CONDITIONS

Model: cfm

System: cfm

3. OUTSIDE DUCT RUN SIZING

Airflow: cfm Diameter in "w.c.

ft " w.c.

4. BRANCH DUCT SIZINGRun ID Run ID Run IDLocation Location LocationAirflow: cfm Airflow: cfm Airflow:

Actual Length Actual Length Actual Length

Elbows x __ Elbows x __ Elbows x __ Eff. Length ft Eff. Length ft Eff. LengthDiameter in Diameter in DiameterRect. Size x Rect. Size Rect. Size

Run ID Run ID Run IDLocation Location LocationAirflow: cfm Airflow: cfm Airflow:

Actual Length Actual Length Actual Length Actual Length

Elbows x __ Elbows x __ Elbows x __

Eff. Length ft Eff. Length ft Eff. LengthDiameter in Diameter in DiameterRect. Size x Rect. Size Rect. Size

5. TRUNK DUCT DESIGNTRUNK I.D.

cfm in x cfm in x cfm in x cfm in x cfm in x cfm in x



EFFECTIVE LENGTH

x

x

ftin

x

Note: The available static pressure is to be used to select all duct sizes in the following sections 4 & 5

ft

ft

ft

DIAMETER

ft

ft

ft

ft

x

cfm cfm

ftin

x

Outside duct effective length

Design Airflow:

in. w.c. @

Elbows x __

Eff. Length

Run IDLocationAirflow:

DiameterRect. Size

cfm

AIRFLOW RECTANGULAR SIZE

Run IDLocationAirflow:

Actual Length

Elbows x __

Eff. Length

DiameterRect. Size

in

ftin

x

W‐6B

Pressure loss, outside duct:

Available static pressure:

cfm

Equipment E.S.P.:

© Copyright HRAI Residential Ventilation WORKSHEET W‐6B r 08/10

1. EQUIPMENT 3. TOTAL EFFECTIVE LENGTHFan: Make: ft

Model : ft

ft

Heater: Make: ft

Model : ft

ft

Design airflow cfm ft

ft

2. OPERATING POINT ft

Equipment ESP: " w.c. ft

minus ‐ ft

" w.c. ft

equals =

" w.c. 4. DUCT SIZE

DUCT SIZING ‐ POWERED INTAKE/MAKE‐UP AIR W‐6C

Actual Length Duct Run:

Equivalent length outside hood:

" w.c.

Sketch

" dia @:

Available static pressure:

Heater static pressure drop: Total Effective Length:



© Copyright HRAI Residential Ventilation WORKSHEET W‐6C r 08/10

1. REQUIRED AIRFLOW 3. TOTAL EFFECTIVE LENGTH

ft

high ft

low ft

Airflow: cfm ft

ft

2. SUCTION PRESSURE ft

ft

ft

ft

ft

ft

high speed " w.c. ft

low speed " w.c. 4. INTAKE DUCT SIZE

highlow " w.c.

Sketch

DUCT SIZING ‐ FURNACE OUTSIDE AIR INTAKE W‐6D

"dia @: speed

System operating speedActual Length Duct Run: Equivalent length outside hood:

Total Effective Length:

Note: Use actual static pressure atconnection point if possible If pressure is unknown use .1 " w.c. for high speed and .05 in.w.c. for low speed



Note: Use actual static pressure atconnection point if possible If pressure is unknown use .1 " w.c. for high speed and .05 in.w.c. for low speed

© Copyright HRAI Residential Ventilation WORKSHEET W‐6D r 08/10

W‐6E1. PRESSURE 3. TOTAL EFFECTIVE LENGTH

ft

Depressurization/pressurization ft

Pa. ft

ft

2. AIRFLOW ft

test ft

Pa. ft

ft

ft

cfm ft

ft

cfm Total Effective Length: ft

‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ OR ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ calculation 4. DUCT SIZE

form: W‐3A W‐3B W‐3C cfm w.c

Limit:

Sketch

DUCT SIZING ‐ PASSIVE MAKE‐UP / RELIEF AIR DUCT SIZING

Design airflow: " dia@:

depressurization at CEC

(pg 220 Manual) excessive flow factor

times x

net exhaust at CEC

equals =

Design airflow

Actual Length Duct Run:

Equivalent length outside hood:



© Copyright HRAI Residential Ventilation WORKSHEET W‐6E r 08/10

VENTILATION DEVICE CONTROL STRATEGY CONTROL DEVICE

1.

2.

3.

4.

5.

6.

7.



VENTILATION SYSTEM CONTROLS W‐7


Note: This test is for code‐compliance of the ventilation system only.

1)cfm (L/s)

2)

cfm (L/s)

3)cfm (L/s)

4) Test to be carried out when house is substantially complete

cfm (L/s)

5)

cfm (L/s)

6)

cfm (L/s) Pa (a)

Pa (b)

Pa (c)

1. Pa (d)

Pa

2.

Pa (b) (a) = Pa (e)

3. (b) (d) = Pa (f)Pa Pa

4.

Pa

5. (c) (a) = Pa (g)Pa (c) (d) = Pa (h)

Pa

Pa

conforms does not conform

to the depressurization requirements of CSA F‐326 M91.

I CERTIFY THAT THE TEST HAS BEEN PERFORMED IN ACCORDANCE WITH THE TEST

PROCEDURE SET OUT IN CSA F326 M91 PARAGRAPH 11.2.2.a(i) AND 11.2.2b(i)

capacity

capacity

capacity

it must be simulated and the flow verified by flow measurement station

Note: If any exhaust equipment required to run at the CEC is not installed

Note: Wind conditions should be less than 15 km/h (9mph)

Largest of (g) or (h) = Dep. @ CEC

DEPRESSURIZATION @ TVCCminus

COMBUSTION APPLIANCES

TEST INSTRUMENT

Note: The test must be performed using an instrument capable of

Make:

Type:

Depressurization Limit

0.004 0.008 0.01 0.016

On at CEC?

On at TVCC? On at CEC?




On at TVCC?

Date of test:

Note:

Pressure @ TVCC

Pressure @ CEC

Ending "Rest" Pressure

Starting "Rest" Pressure

DEPRESSURIZATION @ CEC

minus

Note: Depressurization limit from left, but no more than 10 Pa.

Wind: km/h (mph)

DEPRESSURIZATION TEST REPORT

Postal Code:

Name:

0.04

TEST TESULTS

10 50

measuring 0 to 60 Pa. range with a sensitivity of 2 Pa.

TEST FIRM INFORMATION3 4 5

SEE OVER FOR PROCEDURE DESCRIPTION

MEASUREMENTSmm/dd/yy

minus

City:

Email Address:

Phone:

Address:

Fax:

P.C.

Name:

This is not a combustion system test or a back‐spillage test.

BUILDER/HOUSE

EXHAUST APPLIANCESDescribe All Exhaust Appliances House ID#:

capacity

capacity

Job Name: Job Number:

Name:

Address:

Tel: Fax:

HRAI Certification #:

Signature:

mm/dd/yyDate:

Tel:

Pa 1 2

Largest of (e) or (f) = Dep. @ TVCC

0.02 0.20in. w.c.

The dwelling unit and systems at the time of test:

minus

or equivelant

capacity On at TVCC? On at CEC?

Lowest Depressurization Limit





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conceptual design plan - required …...check mixed air temperature and preheater size (make‐up...

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