Part 6: Cooling Load Rules of Thumb
158
300–400 Sq.Ft./Ton; 30–40 Btuh/Sq.Ft.; 25–28 Btuh/Sq.Ft.; 0.75–0.93 1.0–3.0 CFM/Sq.Ft. 0.5–1.5 CFM/Sq.Ft. 1.0–1.5 CFM/Sq.Ft. 4–10 AC/Hr.
6.01 Offices, Commercial
Total Heat Total Heat Room Sens. Heat SHR Perimeter Spaces Interior Spaces Building Block CFM Air Change Rate
A. General:
1. 2. 3. 4. 5. 6. 7. 8.
225–275 Sq.Ft./Ton 43–53 Btuh/Sq.Ft.
B. Large, Perimeter:
1. Total Heat 2. Total Heat
325–375 Sq.Ft./Ton 32–37 Btuh/Sq.Ft.
300–350 Sq.Ft./Ton 34–40 Btuh/Sq.Ft.
C. Large, Interior:
1. Total Heat 2. Total Heat D. Small:
1. Total Heat 2. Total Heat
(Range 230–520) (Range 23–52) (Range 19–37)
C. Room Sens. Heat
B. Total Heat
A. Total Heat
4–10 AC/Hr.
0.75–0.90
28–38 Btuh/Sq.Ft.
48–60 Btuh/Sq.Ft.
200–250 Sq.Ft./Ton
(Range 35–75)
(Range 160–340)
6.02 Banks, Court Houses, Municipal Buildings, Town Halls
D. SHR
(Range 21–48)
E. Air Change Rate
250–350 Sq.Ft./Ton
(Range 20–40)
(Range 30–60)
(Range 200–400)
6.03 Police Stations, Fire Stations, Post Offices A. Total Heat
25–35 Btuh/Sq.Ft.
34–48 Btuh/Sq.Ft.
0.75–0.90
B. Total Heat
D. SHR
4–10 AC/Hr.
C. Room Sens. Heat
E. Air Change Rate
PA RT 6
70
69
80–240 Btuh/Sq.Ft.
64–228 Btuh/Sq.Ft.
0.80–0.95
2.0–4.0 CFM/Sq.Ft.
15–20 AC/Hr.
B. Total Heat
C. Room Sens. Heat
D. SHR
E. Air Flow
F. Air Change Rate
66903533 )خط10( :تولید کننده دستگاههای تهویه مطبوع تلفن
48–120 Btuh/Sq.Ft.
21–62 Btuh/Sq.Ft.
0.65–0.80
1.5–4.0 CFM/Sq.Ft.
8–12 AC/Hr.
B. Total Heat
C. Room Sens. Heat
D. SHR
E. Air Flow
F. Air Change Rate
(Range 20–80)
(Range 40–155)
(Range 75–300)
150–350 Sq.Ft./Ton
34–80 Btuh/Sq.Ft.
20–56 Btuh/Sq.Ft.
0.60–0.70
1.5–2.5 CFM/Sq.Ft.
12–15 AC/Hr.
A. Total Heat
B. Total Heat
C. Room Sens. Heat
مهکوه تهویه
D. SHR
E. Air Flow
F. Air Change Rate
(At 85°F. Space)
(At 85°F. Space)
(At 85°F. Space)
6.07 Kitchens (Depends Primarily on Kitchen Equipment)
100–250 Sq.Ft./Ton
A. Total Heat
6.06 Restaurants
50–150 Sq.Ft./Ton
A. Total Heat
6.05 Computer Rooms
10–50 AC/Hr.
E. Air Change Rate
32–228 Btuh/Sq.Ft.
C. Room Sens. Heat
0.80–0.95
40–240 Btuh/Sq.Ft.
B. Total Heat
D. SHR
50–300 Sq.Ft./Ton
A. Total Heat
6.04 Precision Manufacturing
Cooling Load Rules of Thumb
2 59
360
1.5–4.0 CFM/Sq.Ft.
E. Spaces
20–30 AC/Hr.
Night Clubs
Cocktail Lounges, Bars, Taverns, Clubhouses
(Range 20–80)
(Range 40–155)
32–46 Btuh/Sq.Ft. 0.75–0.85
C. Room Sens. Heat D. SHR
40–120 Btuh/Sq.Ft.
100–300 Sq.Ft./Ton
(Range 25–50)
(Range 30–60)
(Range 200–400)
E. Air Change Rate
D. SHR
C. Room Sens. Heat
B. Total Heat
A. Total Heat
8–12 AC/Hr.
0.75–0.85
32–46 Btuh/Sq.Ft.
40–48 Btuh/Sq.Ft.
250–300 Sq.Ft./Ton
(Range 25–50)
(Range 30–60)
(Range 200–400)
6.11 Medical/Dental Centers, Clinics, and Offices
B. Total Heat
A. Total Heat
6.10 Buildings w/100% OA Systems (i.e., Laboratories, Hospitals)
40–48 Btuh/Sq.Ft.
250–300 Sq.Ft./Ton
B. Total Heat
A. Total Heat
6.09 Hospital Patient Rooms, Nursing Home Patient Rooms
G. Air Change Rate
15–20 AC/Hr.
0.65–0.80
D. SHR
F. Air Change Rate
27–40 Btuh/Sq.Ft.
60–80 Btuh/Sq.Ft.
B. Total Heat C. Room Sens. Heat
150–200 Sq.Ft./Ton
A. Total Heat
(Range 75–300)
مل تک
6.08 Cocktail Lounges, Bars, Taverns, Clubhouses, Nightclubs
22040376 : تولید کنند ه و وارد کنند ه د ستگاه های تهویه مطبوع تلفن
PA RT 6
0912 448 0 416
SMS
سرویس پیام کوتاه
Cooling Load Rules of Thumb
A. Total Heat
48–120 Btuh/Sq.Ft.
100–250 Sq.Ft./Ton
(Range 20–80)
(Range 40–155)
(Range 75–300)
562
500–700 Sq.Ft./Ton
B. Total Heat
21–62 Btuh/Sq.Ft.
4 61
A. Total Heat 17–24 Btuh/Sq.Ft.
C. Room Sens. Heat
6.17 Dining Halls, Lunch Rooms, Cafeterias, Luncheonettes
B. Total Heat 12–20 Btuh/Sq.Ft.
6.12 Residential
C. Room Sens. Heat
(Range 300–500)
(Range 160–375)
400–500 Sq.Ft./Ton
(Range 20–40)
(Range 300–600)
225–275 Sq.Ft./Ton
(Range 35–80)
(Range 150–350)
D. SHR
C. Room Sens. Heat
B. Total Heat
A. Total Heat
8–12 AC/Hr.
0.80–0.90
22–32 Btuh/Sq.Ft.
34–48 Btuh/Sq.Ft.
250–350 Sq.Ft./Ton
(Range 20–50)
(Range 30–75)
(Range 160–400)
D. SHR
C. Room Sens. Heat
B. Total Heat
A. Total Heat
6–10 AC/Hr.
0.65–0.90
32–43 Btuh/Sq.Ft.
40–60 Btuh/Sq.Ft.
200–300 Sq.Ft./Ton
(Range 16–43)
(Range 24–60)
(Range 200–500)
E. Air Change Rate
D. SHR
C. Room Sens. Heat
B. Total Heat
A. Total Heat
6–10 AC/Hr.
0.65–0.90
23–54 Btuh/Sq.Ft.
53–69 Btuh/Sq.Ft.
175–225 Sq.Ft./Ton
(Range 15–90)
(Range 35–115)
(Range 100–350)
6.20 Drug, Shoe, Dress, Jewelry, Beauty, Barber, and Other Shops
E. Air Change Rate
6.19 Retail, Department Stores
E. Air Change Rate
6.18 Libraries, Museums
12–15 AC/Hr.
0.65–0.80
350–450 Sq.Ft./Ton (Range 24–40)
250–300 Sq.Ft./Ton (Range 32–74)
24–30 Btuh/Sq.Ft.
A. Total Heat
43–53 Btuh/Sq.Ft.
(Range 20–65)
1.5–4.0 CFM/Sq.Ft.
D. SHR
A. Total Heat 27–34 Btuh/Sq.Ft. (Range 20–35)
A. Total Heat 40–48 Btuh/Sq.Ft. (Range 25–60)
A. Total Heat
(Range 15–35)
B. Total Heat
25–42 Btuh/Sq.Ft.
F. Air Change Rate
0.80–0.95
B. Total Heat 22–30 Btuh/Sq.Ft.
B. Total Heat 32–46 Btuh/Sq.Ft.
B. Total Heat
20–25 Btuh/Sq.Ft.
C. Room Sens. Heat
0.65–0.80
E. Spaces
D. SHR
C. Room Sens. Heat 0.80–0.95
6.13 Apartments (Eff., 1 Room, 2 Room)
D. SHR
C. Room Sens. Heat 0.75–0.90
6.14 Motel and Hotel Public Spaces
D. SHR
C. Room Sens. Heat 0.80–0.95
6.15 Motel and Hotel Guest Rooms, Dormitories
D. SHR
D. SHR
4–12 AC/Hr.
6.16 School Classrooms
E. Air Change Rate
PA RT 6
68
مهکوه تهویه
66903533 )خط10( :تولید کننده دستگاههای تهویه مطبوع تلفن