User Manual
9
6-189.14
GENERAL PERFORMANCE DATA - MODEL PTP & BTP
Table 9.1 - Blower Model BTP Motor Amp Draw m n
Supply Voltage
Motor HP 115V/1ph 230V/1ph 208V/3ph 230V/3ph 460V/3ph 575V/3ph
1/4 3.70 - - - - -
1/3 5.00 2.50 1.60 1.40 .70 0.60
1/2 7.20 3.60 2.10 2.20 1.10 0.80
1 12.00 6.00 3.20 3.20 1.60 1.30
1-1/2 15.00 7.50 4.60 4.80 2.40 1.90
2 - - 6.00 5.80 2.90 2.30
3 - - 8.40 7.80 3.90 3.20
5 - - 13.60 12.30 6.20 5.10
Supply Voltage
Model Size 115V/1ph 230V/1ph 208V/3ph 230V/3ph 460V/3ph 575V/3ph
150-250 2.55 1.28 1.41 1.28 0.64 0.51
300 1.11 0.56 0.61 0.56 0.28 0.22
350-400 1.65 0.83 0.91 0.83 0.41 0.33
Table 9.2 - Blower Model BTP Control Circuit Amp Draw m n
Supply Voltage
Model Size
208V 230V 460V 575V
3 ph 1 or 3 ph 3 ph 3 ph
150-250 0.50 0.50 0.50 0.50
300-400 0.50 0.25 0.25 0.25
Table 9.3 - Blower Model BTP Accessory Transformer Size (kVA) o
j  Ratings shown are for elevations up to 2,000 ft. For 
elevations above 2,000 feet, ratings should be reduced 
at the rate of 4% for each 1,000 feet above sea level. 
(In Canada see rating plate.) Reduction of ratings 
requires use of a high altitude kit.
k  Data taken at 55°F air temperature rise. At 65°F 
ambient and unit fired at full-rated input. Mounting 
height as measured from bottom of unit, and without 
deflector hoods. 
l  All motors used are produced, rated and tested 
by reputable manufacturers in accordance with 
NEMA standards and carry the standard warranty 
of both the motor manufacturer and Modine.  
Model HDC motors are open drip proof, while model 
BTP motors are totally enclosed and all single phase 
motors have built-in thermal overload protection.
m  Amp draw data shown is operating amp draw at 
incoming power. For units that use a field installed 
accessory step-down transformer as noted, the amp 
draw shown is the primary side operating amp draw. 
For sizing of circuit protection for equipment with 
transformers, please refer to the National Electric 
Code.
n  For BTP models, add the Motor Amp Draw and Control 
Circuit Amp Draw to get the Total Unit Amp Draw.
o  Transformers for blower models are typically 
smaller than those used for propeller 
models, as the transformer is not needed for  
the blower motor. Size 300-400 use a PSC power 
exhauster motor, further reducing the required 
transformer size.










