Fan Motor Options; Permanent Split Capacitor Motors (Psc) - Bosch SV007 Installation, Operation And Maintenance Manual

Revised 08/14

FAN MOTOR OPTIONS

Permanent Split Capacitor Motors (PSC)

The standard motor for all SV series heat pumps is
a PSC motor. For all models the supplied motor is
a three speed motor. If a speed change is required,
follow the instructions below:
1. Disconnect power to the heat pump.
2. For units with leaded motors, remove the front
access cover.
3. Remove the fan speed wire from the fan relay.
Clip the ¼" quick connect from the lead and
cap the unused lead.
Table 5: PSC Motor Performance Data
Rated
Fan
Model
Airflow
Speed
Low
SV-007
Med 300
Hi
Low
SV-009
Med
Hi 350
Low
SV-012
Med
Hi 400
Low
SV-015
Med
Hi 500
Low
SV-018
Med 650
Hi
Low
SV-024
Med
Hi 850
Low
SV-030
Med
Hi 950
Low
SV-036
Med
Hi 1200
SV Heat Pump Series
0.10 0.20 0.30 0.40
370 340 295 250
390 360 330 300
410 380 350 315
370 340 295 250
390 360 330 300
410 380 350 315
300 290 290 300
380 380 360 330
420 400 380 360
320 300 280 -
380 370 360 340
520 500 480 460
630 590 560 -
810 790 760 730
1010 970 920 870
650 610 570 540
830 820 800 770
1050 1000 950 910
740 730 700 660
830 810 770 730
1000 950 900 830
1290 1250 1200 1150
1410 1350 1290 1220
1500 1440 1370 1290
4. Uncap the desired fan speed wire and
terminate with a ¼" quick connect. Connect to
the fan relay.
5. If the motor is a 460 V motor and the speed is
changed from high to medium or low, connect
the high speed motor lead to the orange
intermediate winding lead instead of simply
capping it.
Refer to the PSC motor performance tables for
heat pump blower performance with the PSC
motor option.
0.50 0.60 0.70 0.80
- - - -
260 - - -
280 210 - -
- - - -
260 - - -
280 210 - -
- - - -
290 - - -
340 320 - -
- - - -
330 - - -
430 400 340 -
- - - -
680 590 - -
800 680 530 -
510 - - -
720 620 - -
840 710 570 -
610 - - -
680 620 - -
750 690 630 -
1080 1000 - -
1150 1060 900 -
1210 1120 1000 900
Fan Motor Options | 23
0.90 1.00 1.10 1.20
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
8 733 914 818 (2014/08)