Product data

10
704C CORNE R WE IGHTS (IN POUNDS)
A06124
Corner Weights (Lbs.)
Corner Weights (Small Cabinet) Corner Weights (Large Cabinet)
Model 704C
Unit 024 030 036
Model
704C
Unit 042 048 060
Total Weight 349 349 373 Total Weight 438 463 499
Corner W eight 1 70 70 75 Corner W eight 1 88 98 107
Corner W eight 2 54 54 58 Corner W eight 2 68 61 70
Corner W eight 3 84 84 90 Corner W eight 3 106 127 136
Corner W eight 4 141 141 150 Corner Weight 4 177 177 186
SELECTION PROCEDURE
Determine cooling and heating requirements at design
conditions:
Given:
REQUIRED COOLING CAPACITY (TC) 34,500 BTUH.....
SENSIBLE HEAT CAPACITY (SHC) 26,000 BTUH........
REQUIRED HEATING CAPACITY (SHC) 15,000 BTUH....
CONDENSER ENTERING AIR TEMPERATURE 95°F.....
INDOOR--AIR TEMPERATURE 80°FEDB,67°FEWB.....
EVAPORATOR AIR QUANTITY 1200 CFM..............
ELECTRICAL CHARACTERISTICS 230 --1 --60............
Select unit based on required cooling capacity
Enter Net Cooling Capacities table at condenser entering
temperature of 95°F. The 036 unit at 1200 cfm and 67°Fewb
(entering wet bulb) will provide a total capacity of 36,000 Btuh
and a SHC of 27,200 Btuh. Calculate SHC correction, if required,
using Note 4 under Cooling Capacities tables.
Select electric heat
The required heating capacity is 15,000 Btuh.
Determine additional electric heat capacity in kW.
15,000 Btuh
3414 Btuh/kW
= 4.4kW of heat required
Enter the Electric Heater table o n page 5 for 208/230v,
single-- phase unit. The 5--kW heater at 240v most closely satisfies
the heating required. To calculate kW at 230v, multiply the heater
kW by multiplication factor 0.92 found in the Multiplication
Factors table on page 14.
5 kW x 0.92 = 4.6 kW
4.6 kW x 3414 Btuh/kW = 15,704 Btuh
Total unit heating capacity is 35,904 Btuh
(20,200 + 15,704).
Select unit that corresponds to power source available
The Electrical Data table shows that the unit is designed to
operate at 208/230--1 --60.
704C