Fan Motor - Daikin EDLQO5CAV3 Service Manual

ESIE15-08B | Part 2. Troubleshooting

5.10. Fan motor

Technical specification
The motor has a single connector for DC power and the rotation counter feed
back from the integrated pulse generator (4 pulses/revolution).
Location
Wiring diagram
Check procedure
Mechanical check
1. Switch off the Daikin Altherma Monobloc CA via the user interface.
2. Switch off the Daikin Altherma Monobloc CA with the field supplied circuit breaker.
3. Remove the hydrobox top plate assembly, refer to
4. Remove the hydrobox front plate, refer to
5. Remove the top plate, refer to
6. Remove the front plate assembly, refer to
7. Check the state of the propeller, replace the propeller if damaged, deformed, cracked or broken, refer to
propeller fan blade assembly" on page
8. Check the motor friction, only perform electrical check if motor runs with low friction. Replace fan motor if friction is abnormal,
refer to "Replacing the DC fan motor assembly" on page
Electrical check
W : R
ARNING
• When reconnecting a connector to the PCB, do not apply force or damage the connector or the connector pins on
the PCB.
General
1. Switch off the Daikin Altherma Monobloc CA via the user interface.
2. Switch off the Daikin Altherma Monobloc CA with the field supplied circuit breaker.
3. Remove the top plate, refer to
4. Remove the front plate assembly, refer to
19/07/16
Daikin Altherma Monobloc CA
PCB2
"Removing the hydrobox top plate assembly" on page 110
"Removing the hydrobox front plate" on page
"Removing the top plate" on page
"Removing the front plate assembly" on page
115.
F
ISK OF IRE
"Removing the top plate" on page
"Removing the front plate assembly" on page
5. Component checklist - Refrigerant Circuit
Description
The fan motor runs on a fixed speed to supply the
required air flow rate.
Unit
112.
116.
112.
111.
113.
"Replacing the
113.
Page 103