Table 6 Indoor Blower Performance; Table 7 Maximum Esp Of Operation - Bard CH4S1 Installation Instructions Manual


rated
model
max
esP
esP
CH3S1 .15 0.5
CH4S1 .2 0.5
CH5S1 .2 0.5
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.
Manual 2100-455M
Page 24 of 28
table 6
InDOOr blOWer PerFOrmance

2nd stage cooling
2nd stage heating
1100
1500
1700
table 7
maXImum esP OF OPeratIOn
All

1st stage cooling
1st stage heating
800
1100
1300
high speed
.5

electric heat
blower Only
or Vent mode
500 1100
500 1700
500 1700