10
NOTE: The Temperature Rise Tables can also be used to estimate the air handler airflow delivery. When using these
tables for this purpose set the room thermostat to maximum heat and allow the system to reach steady state conditions.
Insert two thermometers, one in the return air and one in the supply air. The temperature rise is the supply air temperature
minus the room air temperature. Using the temperature rise calculated, CFM can be estimated from the TR formula
above. See Technical Manual and/or Service Manual for more information.
230/1/60 SUPPLY VOLTAGE - TEMP. RISE °F
Table 2
3568101519/2025
800 1219233137
1000 9 1519253044
1200 8 12152125374962
1400 7 11131821324253
1600 6 9 12 15 19 28 37 46
1800 5 8 10 14 16 25 33 41
2000 5 7 9 12 15 22 30 37
CFM
HEAT KIT NOMINAL kW
220/1/60 SUPPLY VOLTAGE - TEMP. RISE °F
Table 3
3568101519/2025
800 1118223035
1000 9 14 18 24 28 42
1200 7 12 15 20 24 35 47 59
1400 6 10 13 17 20 30 40 51
1600 6 9 111518273544
1800 5 8 101316243139
2000 4 7 9 12 14 21 28 35
CFM
HEAT KIT NOMINAL kW
208/1/60 SUPPLY VOLTAGE - TEMP. RISE °F
Table 4
3568101519/2025
800 1017212833
1000 8 13 17 22 27 40
1200 7 11 14 19 22 33 45 56
1400 6 10 12 16 19 29 38 48
1600 5 8 101417253342
1800 5 7 9 12 15 22 30 37
2000 4 7 8 11 13 20 27 33
CFM
HEAT KIT NOMINAL kW
35681015192025
ARUF25B14 715 715 715 715 950
ARUF29B14 715 715 715 715 950
ARUF31B14 715 715 715 715 875 875
ARUF37C14 1170 1170 1170 1170 1345 1345
ARUF43C14 1170 1170 1170 1170 1345 1345
ARUF49C14 1170 1170 1170 1170 1340 1430
ARUF37D14 1170 1170 1170 1170 1345 1345
ARUF43D14 1170 1170 1170 1170 1345 1345
ARUF47D14 1170 1170 1170 1170 1345 1345
ARUF49D14 1240 1240 1240 1240 1520 1520
ARUF61D14 1590 1590 1590 1590 1715 1715 1715
ASPT61D14 1590 1590 1590 1590 1715 1715 1715
MODEL
HEATER KIT (KW)
MINIMUM CFM REQUIRED FOR HEATER KITS
Table 5
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