Daikin Altherma HT Service Manual

ESIE09-08B Troubleshooting by Indication on the Remote Controller
Troubleshooting 193
3.52 “PJ” Indoor Unit: Faulty Combination of PCB
Remote Control
Display
PJ
Subcode 11
Applicable
Models
All indoor units
Method of
Malfunction
Detection
This malfunction is detected according to communications with the inverter.
Malfunction
Decision
Conditions
Make judgment according to communication data on whether or not the type of the inverter PCB
is correct.
Supposed
Causes
 Mismatching of type of PCB.
Troubleshooting Caution: Be sure to turn off the power switch before connecting or disconnecting connector,
otherwise parts may be damaged.
Replace the inverter PC board assy [A4P (1ø) or A5P (3ø)].

Daikin Altherma HT Specifications

General

Type	Air-to-water heat pump
Refrigerant	R-410A
Water Outlet Temperature	Up to 80°C
Operating Temperature Range	-20°C to 35°C
Power Supply	3-phase, 400V
Energy Efficiency Class (Heating)	A++