Balancing of a Water and Air System (PDF

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36 Table 8A & 8B <strong>Air</strong> density change with altitudes table 9 is the correction for altitude Table 9<strong>Air</strong> Density at Altitudes 36
37 Foot³ per 1lb Altitude 0 Feet Altitude 1,000 Feet Altitude 3,000 Feet 37 Altitude 5,000 Feet Altitude 7,000 Feet Altitude 9,000 Feet 12.0 0.08333 0.08033 0.07467 0.06933 0.06433 0.05958 12.1 0.08264 0.07967 0.07405 0.06876 0.06380 0.05909 12.2 0.08197 0.07902 0.07344 0.06820 0.06328 0.05861 12.3 0.08130 0.07837 0.07285 0.06764 0.06276 0.05813 12.4 0.08065 0.07774 0.07226 0.06710 0.06226 0.05766 12.5 0.08000 0.07712 0.07168 0.06656 0.06176 0.05720 12.6 0.07937 0.07651 0.07111 0.06603 0.06127 0.05675 12.7 0.07874 0.07591 0.07055 0.06551 0.06079 0.05630 12.8 0.07813 0.07531 0.07000 0.06500 0.06031 0.05586 12.9 0.07752 0.07473 0.06946 0.06450 0.05984 0.05543 13.0 0.07682 0.07415 0.06892 0.06400 0.05938 0.05500 13.1 0.07634 0.07359 0.06840 0.06351 0.05893 0.05458 13.2 0.07576 0.07303 0.06788 0.06303 0.05848 0.05417 13.3 0.07519 0.07248 0.06737 0.06256 0.05805 0.05376 13.4 0.07463 0.07194 0.06687 0.06209 0.05761 0.05336 13.5 0.07407 0.07141 0.06637 0.06163 0.05719 0.05296 13.6 0.07353 0.07088 0.06588 0.06118 0.05676 0.05257 13.7 0.07299 0.07036 0.06540 0.06073 0.05635 0.05219 13.8 0.07246 0.06986 0.06493 0.06029 0.05594 0.05181 13.9 0.07194 0.06935 0.06446 0.05986 0.05554 0.05144 14.0 0.07143 0.06886 0.06400 0.05943 0.05514 0.05107 14.1 0.07092 0.06837 0.06355 0.05901 0.05475 0.05071 14.2 0.07042 0.06789 0.06310 0.05859 0.05437 0.05035 14.3 0.06993 0.06741 0.06266 0.05818 0.05399 0.05000 14.4 0.06944 0.06694 0.06222 0.05778 0.05361 0.04965 14.5 0.06897 0.06648 0.06179 0.05738 0.05324 0.04931 14.6 0.06849 0.06603 0.06137 0.05699 0.05288 0.04897 14.7 0.06803 0.06558 0.06095 0.05660 0.05252 0.04864 14.8 0.06757 0.06514 0.06054 0.05622 0.05216 0.04831 14.9 0.06711 0.06470 0.06013 0.05584 0.05181 0.04799 15.0 0.06667 0.06427 0.05973 0.05547 0.05147 0.04767 Foot³ per 1lb Altitude 0 Feet Altitude 1,000 Feet Altitude 3,000 Feet Altitude 5,000 Feet Altitude 7,000 Feet Altitude 9,000 Feet
Page 1 and 2: Balancing of a water and air system
Page 3 and 4: 3 8 TBA (Testing, Balancing and Adj
Page 5 and 6: 5 Air Balancing Multiple Hood syste
Page 7 and 8: 7 87 Series Loop 88 One pipe main 9
Page 9 and 10: 9 Testing and Balancing HVAC A syst
Page 11 and 12: 11 13. Filter frame properly instal
Page 13 and 14: 13 13. Measure and record all requi
Page 15 and 16: 15 15 Example 3: Find the nearest s
Page 17 and 18: 17 For traverses taken in round duc
Page 19 and 20: 19 Flat Oval Duct Traverses For fie
Page 21 and 22: 21 Balancing Devices Volume Dampers
Page 23 and 24: 23 Turning Vanes Turning vanes (Fig
Page 25 and 26: 25 Balancing the VAV System The gen
Page 27 and 28: 27 maximum out-side air damper for
Page 29 and 30: 29 determines how much energy is in
Page 31 and 32: 31 the water removing capacity of a
Page 33 and 34: 33 Table 8A Dry Bulb on left, Wet B
Page 35: 35 60 58 56 54 52 50 48 46 44 42 40
Page 39 and 40: 39 Table 9 C Air Density at 29.29
Page 41 and 42: 41 41 Wet-Bulb (F) .0 .1 .2 .3 .4 .
Page 43 and 44: 43 Table 11A Enthalpy at saturation
Page 45 and 46: 45 Table 11 C Enthalpy at saturatio
Page 47 and 48: 47 Wet bulb temperature____________
Page 49 and 50: 49 and replacement should be shut o
Page 51 and 52: 51 duct may be great; the balancing
Page 53 and 54: 53 Design below the 250°F limit (A
Page 55 and 56: 55 Differential Pressure Gauges The
Page 57 and 58: 57 Venturi The venturi is a device
Page 59 and 60: 59 Pressure Total pressure Velocity
Page 61 and 62: 61 Table 1 shows that if the coil i
Page 63 and 64: 63 adjustment of these devices is n
Page 65 and 66: 65 Grouting Motor and lubrication N
Page 67 and 68: 67 For every outside temperature ot
Page 69 and 70: 69 4. Identify the riser with the h
Page 71 and 72: 71 2. Turn the pump off 3. Close th
Page 73 and 74: 73 Net positive suction head availa
Page 75 and 76: 75 All automatic control valves mus
Page 77 and 78: 77 77
Page 79 and 80: 79 4. Read and record the actual pu
Page 81 and 82: 81 13. Record the coils design and
Page 83 and 84: 83 Air Control Air is always presen
Page 85 and 86: 85 • allow draining of all or par
Page 87 and 88:
87 Valves have linear throttling ch
Page 89 and 90:
89 to all the terminals down the li
Page 91 and 92:
91 Pump Circuits Primary-Secondary
Page 93 and 94:
93 • Evaporator: • the design a
Page 95 and 96:
95 95
Page 97 and 98:
97 Condenser • the design and act
Page 99 and 100:
99 • Each reading of liquid tempe
Page 101 and 102:
101 • Design and actual entering
Page 103 and 104:
103 differs from the average by mor
Page 105 and 106:
105 • Orifice plate • Turbine m
Page 107 and 108:
107 BTUH = GPM X 60 X 8.337 X ∆T
Page 109 and 110:
109 Lam = lbs. of air per minute th
Page 111 and 112:
111 When dry bulb temperature measu
Page 113 and 114:
113 GPM = FPM X Gallons per foot FP
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