Bard CH4S1 User Manual
Page 24
Manual 2100-455M
Page 24 of 28
table 7
maXImum esP OF OPeratIOn
NOTE: These units are equipped with a variable speed (ECM) indoor motor that automatically adjusts itself to maintain
approximately the same rate of indoor airflow in both heating and cooling, dry and wet coil conditions and at both
230/208 or 460 volts.
Maximum ESP (inches WC) shown is with 2" thick disposable filter.
Rated CFM for 2nd Stage Operation – required for maximum performance rating.
1st Stage – the CFM output on 1st Stage Heating or Cooling.
Blower only CFM is the total air being circulated during continuous fan mode.
table 6
InDOOr blOWer PerFOrmance
model
rated
esP
max
esP
2nd stage cooling
2nd stage heating
1st stage cooling
1st stage heating
blower Only
or Vent mode
electric heat
CH3S1
.15
0.5
1100
800
500
1100
CH4S1
.2
0.5
1500
1100
500
1700
CH5S1
.2
0.5
1700
1300
500
1700
All
high speed
.5