24Engineering & Physical DataSafety DeviceR22MODEL INDOOR FF(Y)10/15EXV1 FF(Y)20CXV1OUTDOOR R(Y)10/15CXV1 RY18CXV1 R(Y)20CXV1SAFETYDEVICEHIGH PRESSURESWITCHTYPE N/AOPEN kPa / psi N/ACLOSE kPa / psi N/ALOW PRESSURESWITCHTYPE N/AOPEN kPa / psi N/ACLOSE kPa / psi N/APHASE SEQUENCER N/ADISC. THERMOSTAT SETTING °C / F N/AMODEL INDOOR FH(Y)C20/25/28EXV1OUTDOOR R(Y)20/25/28CXV1SAFETYDEVICEHIGH PRESSURESWITCHTYPE N/AOPEN kPa / psi N/ACLOSE kPa / psi N/ALOW PRESSURESWITCHTYPE N/AOPEN kPa / psi N/ACLOSE kPa / psi N/APHASE SEQUENCER N/ADISC. THERMOSTAT SETTING °C / F N/AMODEL INDOOR FHC40EXV1OUTDOOR R35DXV1 R40DXV1 R40DXY1SAFETYDEVICEHIGH PRESSURESWITCHTYPE NCOPEN kPa / psi 2937 / 426CLOSE kPa / psi 2413 / 350LOW PRESSURESWITCHTYPE NCOPEN kPa / psi 124 / 18CLOSE kPa / psi 192 / 28PHASE SEQUENCER N/A YESDISC. THERMOSTAT SETTING °C / F N/A N/A 130 / 266MODEL INDOOR FHC50EXV1OUTDOOR R50DXY1SAFETYDEVICEHIGH PRESSURESWITCHTYPE NCOPEN kPa / psi 2937 / 426CLOSE kPa / psi 2413 / 350LOW PRESSURESWITCHTYPE NCOPEN kPa / psi 124 / 18CLOSE kPa / psi 192 / 28PHASE SEQUENCER YESDISC. THERMOSTAT SETTING °C / F 130 / 266ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.