Specifications

111
SAFETY DEVICES - R407C COOLING ONLY & HEAT PUMP
1) ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
A4AC20C A4AC25C
NC NC
OPEN kPa / psi
3243 / 470 3243 / 470
CLOSE kPa / psi
2650 / 384 2650 / 384
NC NC
OPEN kPa / psi
124 / 18 124 / 18
CLOSE kPa / psi
193 / 28 193 / 28
NC NC
OPEN kPa / psi
48 / 7 48 / 7
CLOSE kPa / psi
152 / 22 152 / 22
DIFFERENTIAL PRESSURE SWITCH
YES YES
ANTI-FREEZE PROTECTION SENSOR
YES YES
OVER PRESSURE RELIEF VALVE
YES YES
ANTI-FREEZE HEATER ON BPHE
YES YES
YES YES
YES YES
A4AC030C A4AC040C
NC NC
OPEN kPa / psi
3243 / 470 3243 / 470
CLOSE kPa / psi
2650 / 384 2650 / 384
NC NC
OPEN kPa / psi
124 / 18 124 / 18
CLOSE kPa / psi
193 / 28 193 / 28
NC NC
OPEN kPa / psi
48 / 7 48 / 7
CLOSE kPa / psi
152 / 22 152 / 22
BUILT IN ON BOARD BUILT IN ON BOARD
DIFFERENTIAL PRESSURE SWITCH
YES YES
ANTI-FREEZE PROTECTION SENSOR
YES YES
DISCH. THERMOSTAT SETTING °C / °F
110 / 230 110 / 230
OVER PRESSURE RELIEF VALVE
YES YES
ANTI-FREEZE HEATER ON BPHE
YES YES
YES YES
YES YES
OPEN kPa / psi
CLOSE kPa / psi
OPEN kPa / psi
CLOSE kPa / psi
OPEN kPa / psi
CLOSE kPa / psi
DIFFERENTIAL PRESSURE SWITCH
ANTI-FREEZE PROTECTION SENSOR
DISCH. THERMOSTAT SETTING °C / °F
OVER PRESSURE RELIEF VALVE
ANTI-FREEZE HEATER ON BPHE
YES
YES
BUILT IN ON BOARD
YES
YES
110 / 230
YES
YES
NC
124 / 18
193 / 28
NC
48 / 7
152 / 22
LOW PRESSURE
SWITCH (HEAT
PUMP)
TYPE
A4AC60C/CR
NC
3243 / 470
2650 / 384
MOD EL
COMPRESSOR OLP
HIGH PRESSURE
SWITCH
LOW PRESSURE
SWITCH (COOLING
ONLY)
PUMP OLP
TYPE
TYPE
SAFETY DEVICE
LOW PRESSURE
SWITCH (HEAT
PUMP)
TYPE
COMPRESSOR OLP
PHASE PROTECTION
LOW PRESSURE
SWITCH (HEAT
PUMP)
MOD EL
HIGH PRESSURE
SWITCH
TYPE
LOW PRESSURE
SWITCH (COOLING
ONLY)
TYPE
SAFETY DEVICE
PHASE PROTECTION
TYPE
PUMP OLP
COMPRESSOR OLP
MOD EL
HIGH PRESSURE
SWITCH
TYPE
SAFETY DEVICE
LOW PRESSURE
SWITCH (COOLING
ONLY)
TYPE
PUMP OLP