2020 MXZ Multi-Zone Tech Manual

Specifications subject to change without notice. 34 MXZ Multi-Zone Units with Branch Box Line In Service Manual MXZ MULTI-ZONE UNITS WITH BRANCH BOX SW1 Setting DIGITAL DISPLAY 1 = ON 0 = OFF Status Flags on Normal Display 1 2 3 4 5 6 7 8 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 Comp 52C 21S4 SV1 SV2 VAC 11 1 1 0 1 0 0 0 0 Abnormality code history 1 [latest] 12 0 0 1 1 0 0 0 0 Abnormality code history 2 26 0 1 0 1 1 0 0 0 Capacity Code of IC-1 Qj Qj BTU Qj BTU 27 1 1 0 1 1 0 0 0 Capacity Code of IC-2 Qj 4 6K 9 18K 28 0 0 1 1 1 0 0 0 Capacity Code of IC-3 Qj 5 9K 13 24K 29 1 0 1 1 1 0 0 0 Capacity Code of IC-4 Qj 6 12K 16 30K 30 0 1 1 1 1 0 0 0 Capacity Code of IC-5 Qj 8 15K 20 36K 43 1 1 0 1 0 1 0 0 Total Capacity of Thermal ON 44 0 0 1 1 0 1 0 0 Number of Indoor Units 45 1 0 1 1 0 1 0 0 DC bus voltage: VAC x 1.41 approximate 52 0 0 1 0 1 1 0 0 Outdoor LEVA opening pulse: [480 in cooling Mode] 58 0 1 0 1 1 1 0 0 63LS Low pressure sensor 61 1 0 1 1 1 1 0 0 TH2 HIC temp sensor [liquid line near service valve] 64 0 0 0 0 0 0 1 0 Hz Compressor operating frequency 65 1 0 0 0 0 0 1 0 Hz Tar Compressor target frequency 74 0 1 0 1 0 0 1 0 63HS High pressure sensor 75 1 1 0 1 0 0 1 0 TH4 Compressor discharge temp 76 0 0 1 1 0 0 1 0 TH6 Suction temp 77 1 0 1 1 0 0 1 0 TH7 Ambient temp 78 0 1 1 1 0 0 1 0 TH3 Outdoor liquid pipe [On coil distributor] 79 0 0 0 0 1 0 1 0 TH8 Inverter heat sink temp 1 2 3 4 5 6 7 8 LINE SW1 Setting INDOOR UNIT OPERATING INFORMATION 1 2 3 4 5 6 7 8 69 1 0 1 0 0 0 1 0 IC-1 LEV position 70 0 1 1 0 0 0 1 0 IC-2 LEV position 71 1 1 1 0 0 0 1 0 IC-3 LEV position 72 0 0 0 1 0 0 1 0 IC-4 LEV position 73 1 0 0 1 0 0 1 0 IC-5 LEV position 217 1 0 0 1 1 0 1 1 IC-6 LEV position 218 0 1 0 1 1 0 0 1 IC-7 LEV position 81 1 0 0 0 1 0 1 0 IC-1 TH23 Gas Pipe Temp 82 0 1 0 0 1 0 1 0 IC-2 TH23 Gas Pipe Temp 83 1 1 0 0 1 0 1 0 IC-3 TH23 Gas Pipe Temp 84 0 0 1 0 1 0 1 0 IC-4 TH23 Gas Pipe Temp 85 1 0 1 0 1 0 1 0 IC-5 TH23 Gas Pipe Temp 220 0 0 1 1 1 0 1 1 IC-6 TH23 Gas Pipe Temp 221 1 0 1 1 1 0 1 1 IC-7 TH23 Gas Pipe Temp 86 0 1 1 0 1 0 1 0 IC-1 TH22 Liquid Pipe Temp 87 1 1 1 0 1 0 1 0 IC-2 TH22 Liquid Pipe Temp 88 0 0 0 1 1 0 1 0 IC-3 TH22 Liquid Pipe Temp 89 1 0 0 1 1 0 1 0 IC-4 TH22 Liquid Pipe Temp 90 0 1 0 1 1 0 1 0 IC-5 TH22 Liquid Pipe Temp 223 1 1 1 1 1 0 1 1 IC-6 TH22 Liquid Pipe Temp 224 0 0 0 0 0 1 1 1 IC-7 TH22 Liquid Pipe Temp 91 1 2 0 1 1 0 1 0 IC-1 TH21 Return Air Temp 92 0 0 1 1 1 0 1 0 IC-2 TH21 Return Air Temp 93 1 0 1 1 1 0 1 0 IC-3 TH21 Return Air Temp 94 0 1 1 1 1 0 1 0 IC-4 TH21 Return Air Temp 95 1 1 1 1 1 0 1 0 IC-5 TH21 Return Air Temp 226 0 1 0 0 0 1 1 1 IC-6 TH21 Return Air Temp 227 1 1 0 0 0 1 1 1 IC-7 TH21 Return Air Temp 1 2 3 4 5 6 7 8