Lifebreath 60DHWDF(T) Benutzerhandbuch
37
Part A - DESIGN LOAD SPECIFICATIONS
A.1
Total Heat Loss _______________Btu/h
A.2
Total Heat Gain _______________Btu/h
Part B - EQUIPMENT SELECTION (Air Handler and Cooling)
AIR HANDLER:
Make: LIFEBREATH
Model: ____________
B.1
Heating Output ________________________ Btu/h
(110% - 140% of A.1)
B.2
Equipment External Static Pressure ________ ins. W.C.
(from specs)
(from specs)
B.3
Heating Air Flow Rate
________ cfm
B.4
Circulation Fan Speed (Heating)
________ speed
B.5
Return Air Temperature
________
o
F
B.6
Air Handler Temperature Rise
________
o
F
[B.1
÷
(1.08 x B.3)]
B.7
Supply Air Temperature
________
o
F
(B.5
+
B.6)
B.8
Water Supply Rate
________ US GPM
(from specs)
B.9
Water Supply Temperature
________
o
F
B.10 Water Temperature Drop
________
o
F
(min. 20
o
F)
[B.1
÷
(500.4 x B.8)]
B.11 Water Return Temperature
________
o
F
(B.9 - B.10)
COOLING EQUIPMENT:
B.12 Cooling Output ________ (Btu/h) ________ tons
(80% - 125% of A.2)
B.13 Manufacturers Flow Rate/Ton
________ (cfm/ton)
B.14 Cooling Air Flow Rate
________ cfm
B.15 Circulation Fan Speed (Cooling)
_______ speed
Part C - EQUIPMENT SELECTION (Water Heater)
DOMESTIC HOT WATER REQUIREMENTS:
C.1
Minimum Storage Capacity
________ USG
(from page 38, Method A)
or
C.2
Minimum First Hour Rating
________ USG
(from page 38, Method B)
SPACE HEATING REQUIREMENTS:
C.3
Minimum Effective Water
Heater Output
Heater Output
________ Btu/h
(B.1 x 1.2)
SELECTED WATER HEATER:
Make: ________
Model: ________
C.4
Storage Capacity
________ USG
Note: Complete C.5 and C.6 only if C.2 was completed.
C.5
Recovery
________ USG
C.6
First Hour Rating
________ USG
(.85 x (C.4
+
C.5))
(min. C.2)
C.7
Energy Factor (ef)
________
C.8
Burner Input
________ Btu/h
C.9
Recovery Efficiency
________ %
C.10 Effective Water Heater Output
________ Btu/h
(C.8 x C.9
÷
100)
(min. C.3)