Carrier Super Inverter Series Service Manual

29VOLTAGENo limitVOLT_LTM_FREQ1_ADDVOLT_LTM_FREQ2_ADDNote: if the low voltage protection occurs and not resumes within 3min, it will keep the protection alwaysafter restart the machine.17.5.4 Compressor current limit protectionTemperature interval.of current limit is same as range of T4 limited frequency.Cooling mode:T4CoolZone5CoolZone4CoolZone3CoolZone2CoolZone1Heating mode:T4HeatZone4HeatZone3HeatZone2HeatZone117.5.5 Indoor / outdoor units communication protectionIf the indoor units cannot receive the feedback signal from the outdoor units for 2 minutes, the AC will stopand display the failure.17.5.6 High condenser coil temp. protection.