Variable Speed Blower/Condensate Fan; Maintenance; Figure 80 Fan Terminals - Bard MEGA-TEC W180B Service Instructions Manual

Variable Speed Blower/Condenser Fan
WARNING
!
Electrical shock hazard.
Live terminals and connections even when
device is turned off.
Wait 5 minutes after power has been removed
from unit before disconnecting the voltage to
the blower/fan motor as internal buss voltage
may still be present.
Failure to do so could result in electric shock
or death.

Maintenance

CAUTION: If control voltage or a stored speed value are
still applied during power reset, motor may
start automatically.
• Keep out of device danger zones.
• When working on/around the fan/blower, switch off
line voltage to the unit, ensuring that it cannot be
switched back on inadvertently, and wait 5 minutes
before removing terminal covers.
• Wait until fan/blower comes to a complete stop
before entering areas.
• After work is performed, verify all tools have been
removed from unit and specifically the rotational
area of the fan/blower.
Manual 2100-749
Page 58 of 68
FIGURE 80
Fan Terminals
Gen3 Motor Terminal Box
Connector Terminal
CON1 L1
CON1 L2
CON1 L3
Housing PE Line Power Ground Terminal
CON2 RSA
CON2 RSB
CON2 GND
Housing LED
Gen2 Motor Terminal Box
KL3
8 9 10 11 12 13 14
1 2 3 4 5 6 7
Description
Line Power Phase 1
Line Power Phase 2
Line Power Phase 3
Modbus +
Modbus -
Control Ground Terminal
Motor Status LED
KL2 PE KL1
1 2 3 1 2 3