Operating instructions

16
Table A-6 Direct Drive Blower Set-Up PSC Motor
Furnace Model Blower
Blower Set-Up Cooling Capacity
0.20 in. w.c. 0.50 in. w.c.
Tons Power CFM Range
Speed Motor Speed Motor
HML-60 100-10T DD Low 1/2 HP Med-Low 1/2 HP 3 1/2 HP 690 – 1500 HML-80 100-10T DD Med-Low 1/2 HP Med-High 1/2 HP 3 1/2 HP 690 – 1500 HML-90 100-10T DD Med-High 1/2 HP High 1/2 HP 3 1/2 HP 690 – 1500
HML-100 100-10T DD Med-High 1/2 HP High 1/2 HP 3 1/2 HP 690 – 1500
Table A-7 Direct Drive Blower Characteristics PSC Motor
Furnace
Model
Blower Motor HP Motor FLA ∆T Speed
CFM
External Static Pressure – Inches w.c.
0.20 0.30 0.40 0.50 0.60
HML
60 – 100
100-10T DD 1/2 HP 7.0 60°F
High 1741 1651 1556 1476 1369
Med-High 1557 1497 1434 1369 1278
Med-Low 1063 1051 1037 1037 1011
Low 697 697 687 672 646
Table A-8 Direct Drive Blower Characteristics ECM Motor
Furnace
Model
Blower Motor HP Motor FLA ∆T
CFM RANGE
Continuous
Fan
Heating Cooling
0.38 - 0.48 inches w.c. 0.5 inches w.c.
HMLV
100-10T
DD
1/2 HP ECM 7.7 60°F 445 - 605 625 - 1500 600 - 1200
60 – 100
APPENDIX A - CHECK OUT AND ADJUSTMENTS
TIP Formulas will assist with design of duct-work and determination of air fl ow delivery. CFM = Bonnet Output / (1.085 x System Temperature Rise (∆T)
System Temperature Rise (∆T) = Bonnet Output / (1.085 x CFM)