Bryant ZONE PERFECT PLUS Zoning Design Manual Download

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DUCT SIZING WORKSHEET-EXAMPLE 1

Step 1:Calculate Block Load

Heating Load:______________125,000 Btuh

Cooling Load:_____________115,000 Btuh

Step 2:Room by Room Load

Room

Heating Load (Btuh)

Cooling Load (Btuh)

Airflow (CFM )*

Zone Number

Waiting Room

___________

____________

____1,000___

_______6_____

Room 1_____

___________

____________

_____250____

_______1_____

Room 2_____

___________

____________

_____250____

_______1_____

Room 3_____

___________

____________

_____250____

_______2_____

Room 4_____

___________

____________

_____250____

_______2_____

Back Bathroom

___________

____________

_____150____

_______4_____

Lab________

___________

____________

_____550____

_______4_____

Office_______

___________

____________

_____600____

_______3_____

Office/Restrooms

___________

____________

_____700____

_______5_____

____________

___________

____________

_____________

____________

___________

____________

_____________

____________

___________

____________

_____________

____________

___________

____________

_____________

____________

___________

____________

_____________

____________

___________

____________

_____________

____________

___________

____________

_____________

*Highest CFM determined from Heat/Cool Btuh

Step 3: Zone CFM totals

Zone 1 _________500 CFM

Zone 5 __________700 CFM

Zone 2 _________500 CFM

Zone 6 ________1,000 CFM

Zone 3 _________600 CFM

Zone 7 _____________ CFM

Zone 4 _________700 CFM

Zone 8 _____________ CFM

Step 4: Equipment Selection

Indoor Section

____________

Outdoor Section

______581B120

Heating Capacity/CFM

______125,000

_________4,000

Cooling Capacity/CFM

______115,000

_________4,000

Design CFM

________4,000

Step 5: Bypass Determination

System Design CFM *

4,000________

X 0.60 =

2,400_________

(Value MUST be less than smallest zone CFM; otherwise Bypass Damper may be required)

* Design CFM can be: Step 1C from above OR if Two Speed/Variable Speed equipment is selected, select low speed CFM value.

—12—

Summary of Contents for ZONE PERFECT PLUS

Page 1: ...oint and maintains the overall space at a predetermined humidity set point In addition to meeting these basic goals Zone Perfect Plus is designed to Direct conditioned air proportionately based on the needs of each zone so that the zone s with the greatest demand receive relatively more conditioned air Keep the sound produced by the system low enough that occupants will not find it objectionable C...

Page 2: ...et provided in the Appendix Follow these guidelines Provide the rough dimensions of each area or room Indicate the location and relative size of doors windows and skylights In particular identify any large glass areas exceed ing 30 percent of the wall area Indicate any equipment that may add a sensible latent load Light Commercial computers copiers and waiting rooms Residential hot tubs etc Indica...

Page 3: ...lso used to size the zone dampers and ductwork B Task 4 Size heating and cooling equipment Zone Perfect Plus is designed for use with residential furnaces fan coils and light commercial products Whenever possible a ther mostatic expansion valve TXV should be used Zone Perfect Plus is designed to operate with equipment in a range of 1 5 to 12 5 tons in cooling mode How to determine the appropriate ...

Page 4: ...ed as much as 50 75 percent oversizing In most cases the oversizing took care of any TEL s over 100 ft The reason for this new Design Guide Worksheet is to help ease the fear of designing a zoning system The way the worksheet is put together was to look at as many scenarios as possible then apply three design techniques to each example Each scenario was designed at 1 25 percent oversizing at 1 in ...

Page 5: ...g as the total of the Branch Duct area meets or exceeds the required amount APPENDIX The following appendix provides worksheets for you to copy and use when designing a Zone Perfect Plus installation Owner Survey Floor Plan Worksheet Duct Sizing Worksheet Examples We will show three examples of the zoning design guide Example 1 Light Commercial Doctor s Office Heating Load 125 000 Btu Cooling Load...

Page 6: ...at might require extra cooling or heating 4 What areas if any in your home office that are used infrequently such as a formal dining meeting room or that are unoccupied for large periods of time during the day or night 3 Describe the typical usage of the various areas of your home office throughout the day During what times of the day do you typically entertain How many people do you usually enter...

Page 7: ...in your present home 4 What do you like about your present heating and cooling system What do you dislike 8 Are there any times when you want significantly different temperatures in all or part of your home If so in what areas or rooms How quickly do you want the temperature change to occur 10 What do you expect from your indoor comfort system 1 Are there any areas or rooms in your home office tha...

Page 8: ...A98347 Floor Plan Worksheet 8 ...

Page 9: ..._____ ____________ ____________ _____________ ____________ ____________ ____________ ____________ _____________ ____________ ____________ ____________ ____________ _____________ Highest CFM determined from Heat Cool Btuh Step 3 Zone CFM totals Zone 1 ____________ CFM Zone 5 _____________CFM Zone 2 ____________ CFM Zone 6 _____________CFM Zone 3 ____________ CFM Zone 7 _____________CFM Zone 4 _____...

Page 10: ...ze __ Qty ___ Area from Table 2B ________________ Size __ Qty ___ Area from Table 2B ________________ ________________ Total Sq In Zone 5 Main Duct sq in ____________________ Main Duct Size ____________ Branch sq in _______________________ Size __ Qty ___ Area from Table 2B ________________ Size __ Qty ___ Area from Table 2B ________________ ________________ Total Sq In Zone 6 Main Duct sq in ____...

Page 11: ...00121 Waiting Room Room 1 Room 2 Room 3 Room 4 Office Office Lab Bath Bathrooms Fig 5 Light Commercial Application Doctor s Office zoned A00122 Room 1 Room 2 Room 3 Room 4 Office Office Lab Bath Bathrooms Waiting Room Zone 1 Zone 2 Zone 3 Zone 4 Zone 5 Zone 6 11 ...

Page 12: ..._____ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ Highest CFM determined from Heat Cool Btuh...

Page 13: ...23 Branch 165 165 165 165 165 165 165 179 179 179 179 600 Main 123 123 123 123 123 123 123 123 133 133 133 Branch 198 198 198 198 198 198 198 198 208 208 208 700 Main 143 143 143 143 143 143 143 143 154 154 Branch 231 231 231 231 231 231 231 231 246 246 A00133 Zone 1 2 Main Duct Square Inches __ 123 ____ Main Duct Size___8x18____ Branch Square Inches_____179__ Size__10 ___Qty___2___ Area from Tabl...

Page 14: ...30 Size __ Qty ___ Area from Table 2B ________________ _____________330 Total Sq In Zone 7 Main Duct sq in ____________________ Main Duct Size ____________ Branch sq in _______________________ Size __ Qty ___ Area from Table 2B ________________ Size __ Qty ___ Area from Table 2B ________________ ________________ Total Sq In Zone 8 Main Duct sq in ____________________ Main Duct Size ___________ Bra...

Page 15: ...n Family Room Laundry Bedroom 3 Bedroom 2 Bath Master Bedroom Master Bath Fig 8 Residential Application House Floor Plan zoned into four areas A00187 Kitchen Family Room Laundry Bedroom 3 Bedroom 2 Bath Master Bedroom Master Bath Dining Room Living Room Bedroom 4 Zone 1 Zone 2 Zone 3 Zone 4 15 ...

Page 16: ..._______ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ ____________ ___________ ____________ ____________ _____________ Highest CFM determined from Heat Cool Btuh Step 3 Zone CFM totals Z...

Page 17: ...132 132 140 140 140 500 Main 113 113 113 113 113 113 113 123 123 Branch 165 165 165 165 165 165 165 179 179 600 Main 123 123 123 123 123 123 123 123 133 Branch 198 198 198 198 198 198 198 198 208 700 Main 143 143 143 143 143 143 143 143 Branch 231 231 231 231 231 231 231 231 Step 7 Main Trunk Table 2A and Branch Duct Table 2B Sizes Zone 1 Main Duct sq in __________________86 Main Duct Size _______...

Page 18: ...2 155 210 24 165 215 Branch Square Inches_____231__ Size__6 ___Qty___2___ Area from Table 2B ___56___ Size__8 ___Qty___3___ Area from Table 2B __180___ __236___Total Sq In Table 2B Branch Duct Area Sq In Duct Diameter in Quantity 5 6 7 8 10 1 20 28 38 60 79 2 40 56 76 135 180 3 60 84 114 180 330 4 80 112 152 235 465 5 100 140 190 300 530 6 120 168 228 365 660 7 140 196 266 430 760 8 160 224 304 50...

Page 19: ...q In Branch Area__289____Sq In Zone 5 CFM __________Main Duct _________Sq In Branch Area_________Sq In Zone 6 CFM __________Main Duct _________Sq In Branch Area_________Sq In Zone 7 CFM __________Main Duct _________Sq In Branch Area_________Sq In Zone 8 CFM __________Main Duct _________Sq In Branch Area_________Sq In Step 7 Main Trunk Table 2A and Branch Duct Size Table 2B Sizes Zone 1 Main Duct S...

Page 20: ..._124____ Main Duct Size ___8x18___ Branch Square Inches ___206____ Size_______Qty_______ Area from Table 2B ________ Size__8 ___Qty___4___ Area from Table 2B __235___ __235___Total Sq In Zone 3 Main Duct Square Inches___96____ Main Duct Size ___8x14___ Branch Square Inches ___138____ Size_______Qty_______ Area from Table 2B ________ Size__7 ___Qty___4___ Area from Table 2B __152___ __152___Total S...

Page 21: ...4 214 214 214 214 214 214 Branch 396 396 396 396 396 396 396 396 396 1300 Main 227 227 227 227 227 227 227 227 Branch 429 429 429 429 429 429 429 429 1400 Main 241 241 241 241 241 241 241 241 Branch 462 462 462 462 462 462 462 462 1500 Main 254 254 254 254 254 254 254 Branch 495 495 495 495 495 495 495 1600 Main 269 269 269 269 269 269 269 Branch 528 528 528 528 528 528 528 1700 Main 284 284 284 2...

Page 22: ...79 113 154 201 2 40 56 76 135 180 365 565 760 3 60 84 114 180 330 530 795 825 4 80 112 152 235 465 730 825 5 100 140 190 300 530 825 6 120 168 228 365 660 7 140 196 266 430 760 8 160 224 304 500 825 9 180 252 342 565 10 200 280 380 630 11 220 308 418 660 12 240 336 456 726 13 260 364 494 795 14 280 392 532 15 300 420 570 Two 8 pipes have approximately the same volume of five 6 pipes To keep static...

Page 23: ... 23 ...

Page 24: ... 2000 Bryant Heating Cooling Systems 7310 W Morris St Indianapolis IN 46231 24 Printed in U S A ap17 5 Catalog No 809 651 ...

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