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NOMINAL CAPACITIES OF KENNARD CORPORATION AIR HANDLERS

Tables No. 1 & 6

Cooling Capacity DE Coils - (Tons at 40 F Refrigerant)

 
  Entering Air Temperatures  

Unit No.

Face Area

Sq.Ft

Air Volume

CFM

Coil Face Velocity

FPM

80 DB 67 WB 82 DB 69WB 85 DB 70 WB 60 F Entering Air Heating Capacity Standard Steam Coils   Motor Horse Power
4 Rows 5 Rows 6 Rows 8 Rows 4 Rows 5 Rows 6 Rows 8 Rows 4 Rows 5 Rows 6 Rows 8 Rows

1 Row BTU Per Hour

2 Row BTU
Per
Hour

Fan Diameter

Outlet Velocity FPM

1" TSP

1-1/4" TSP

1-1/2" TSP

111AC 3.62 2172 600 5.32 6.25 7.10 8.43 5.84 6.84 7.73 9.20 6.12 7.17 8.15 9.65 99100 181000 11-3/8" 1926 3/4 1 1
    1810 500 4.90 5.75 6.45 7.49 5.35 6.25 7.05 8.25 5.61 6.60 7.40 8.60 88700 154800   1605 3/4 3/4 1
    1448 400 4.43 5.08 5.65 6.48 4.79 5.54 6.15 7.09 5.04 5.83 6.48 7.48 79300 133900   1284 1/2 1/2 3/4

 

CAPACITY CORRECTION FACTORS

Table No. 3
D.E. COOLING - APPLY TO COOLING CAPACITIES IN TABLE NO. 1
  Entering Air Temperatures and Capacity Factors
Refrigerant Temperature  80 DB 67 WB 82 DB 69WB 85 DB 70 WB
35 F 1.15 1.14 1.13
40 F 1.00 1.00 1.00
45 F .81 .83 .82
50 F .59 .62 .62

For other entering air conditions, and for water coil capacities, see Blast Coil Bulletin No. 47A.

Table No. 4 STEAM HEATING - APPLY TO HEATING CAPACITIES IN TABLE NO. 1
  Steam Pressure
Entering Air 2 Lbs. 5 Lbs. 10 Lbs. 15 Lbs.
0 F 1.29 1.35 1.45 1.52
20 F 1.18 1.24 1.32 1.40
40 F 1.06 1.12 1.20 1.27
60 F .94 1.00 1.08 1.15
70 F .88 .94 1.02 1.09

For Steam Distributing Tube coils, multiply above correction factor by .95 for 8 fins per inch
and by .80 for 6-1/2 fins per inch.

Table No. 5 WATER HEATING - APPLY TO HEATING CAPACITIES IN TABLE NO. 1
  Average Water Temperatures
Entering Air 160 170 180 190
40 F .717 .780 .835 .891
50 F .655 .717 .780 .835
60 F .596 .655 .717 .780
70 F .528 .596 .655 .717

Factors based on 2.35 GMP per water circuit. Specify GPM when ordering.

Table 1 indicates usual basic Unit Cooling capacities at conventional operating conditions which
can be modified for variations in Refrigerant Temperature and Sensible Heat Percentage by use
factors in Tables 2 and 3.

Heating capacities vary with Entering Air Temperature, Steam Pressures and Water Temperatures
and can be modified by factors in Tables 4 and 5, interpolating for related values within reasonable
range.

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