26 | Fan Motor Options LV Heat PumpSeries
LV Heat Pump Series8 733 905 683 (2013/04) Subject to change without prior notice
Constant Torque Motors (ECM)
For installations where the efficiency of an
electronically commutated brushless DC motor
(ECM) motor is required, but the features of a
constant airflow motor are not required, the LV
series is offered with a constant torque ECM motor
option. These motors feature up to 90% thermal
efficiency combined with a flatter fan curve than a
PSC motor and simple operation. These motors
are provided with 5 speed taps to allow for a wide
range of air flow and external static options. To
change a speed tap follow the instructions below:
1. Disconnect power to the heat pump.
2. Remove the blower access panel.
3. Remove the speed tap wire from the terminal it
is currently connected to and connect it to the
terminal desired.
Refer to the constant torque motor performance
tables for heat pump blower performance with the
constant torque motor option.
Table 6: Constant Torque Blower Motor Data
Model
Tap #
Rated
Airflow
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20
LV-015
1 480 440 410 370 340 -- -----
2
530 490 450 420 380 340 - -----
3
500 600 560 510 470 440 410 370 -----
4
650 600 560 520 500 480 440 380 - ---
5
710 660 620 580 550 520 490 470 - ---
LV-018
1 630 590 560 530 490 -- -----
2
650 720 700 670 630 600 560 - -----
3
790 770 750 710 670 620 560 -----
4
910 890 850 810 740 670 590 520 - ---
5
1010 970 920 860 810 750 660 530 - ---
LV-024
1 650 610 580 560 520 -- -----
2
740 720 690 660 620 570 - -----
3
850 830 800 770 730 690 630 -----
4
850 950 920 890 870 840 820 770 650 - ---
5
1160 1110 1050 990 920 800 670 560 - ---
LV-030
1 1020 1000 970 920 - -- -----
2
1110 1060 1000 940 880 850 - -----
3
950 1120 1070 1010 960 900 850 740 -----
4
1160 1080 1010 950 880 840 750 550 - ---
5
1150 1090 1020 960 890 850 760 540 - ---
LV-036
1 1120 1090 1055 1030 1000 -- -----
2
1260 1230 1200 1170 1140 1080 - -----
3
1200 1330 1293 1253 1210 1167 1100 1030 -----
4
1400 1357 1307 1250 1193 1120 1040 963 - ---
5
1470 1420 1360 1290 1220 1140 1050 970 890 ---
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