Daikin MicroTech - Page 19

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www.DaikinApplied.com 19 OM 1280-2 • MICROTECH UNIT CONTROLLER
Figure 11: Heat Mode with Defrost Super State Diagram
Heat
Mode
Heat
Mode
DAT < VCLL
Low Limit
Mode
Yes
OADP = OADH
DAT > VCLL
IAT > OCS
No
Return to
Fan Only
Mode
Yes
Enter from:
LUI Input
Network Input
Auto Mode
No
Yes
OACT < DSSP
Start Defrost
Timer
OACT < DTTC
Defrost
Mode
OACT > DRSP
Run Time >
DTL
Yes
Yes
YesYes
No
Applies to ASHP models only
Heat
Mode
Defrost
Mode
Suction
Refrig. Temp. >
Low Suction Setpoint +
Differential
Run Time >
60 Seconds
Yes
Yes
Yes
Applies to WSHP models only
Heat
Mode
Suction
Refrig. Temp. <
Low Suction
Setpoint
No
No