Service manual

Self Diagnostic Display Information

Outdoor Units

SW03 SW02 SW01 Displayed content

3 1 1 Use refrigerant Type of refrigerant used is displayed. AB

• In case of R22 model 22

• In case of R407C model 40 7C

2 Outdoor system A 8] to [46]: 8 to 46HP

capacity

B [HP]

3 No. of connected A [1] to [ 5]: 1 to 5 units

outdoor units

B[ P ]

4 No. of connected A [0] to [40]: 0 to 40 units

indoor units

B[ P ]

5 No. of operating A [0] to [40]: 0 to 40 units

indoor units

B[ P ]

6—A

—

7 Release control A [r ]: Normal operation, [r1]: Under release control

operation

B—

8 Oil equalizing pattern A [OL]

B [P ]: Normal operation, [P1] to [P3]: Oil equalizing patterns 1 to 3A

9—A —

B—

10 Refrigerant/Oil A [C-]: Normal operation, [C1]: Under cooling oil recovery control

recovery operation

B [H-]: Normal operation, [H1]: Under heating refrigerant recovery

11 Automatic address A [Ad]

B [ ]: In normal time (Automatic address setup completes)

[11]: Under automatic address setup

12 — —

13 — —

14 — —

15 — —

16 — —

System information data display (Displayed on the inverter unit only)

SW01, 02, 03: Rotary switch

SW04, 05: Push switch

SW08: Dip switch

The combination of rotary switches SW01,

SW02 and SW03 display the following info: