Monobloc Outdoor Unit Service Manual
87
9.4.1.14.
Alarm 51 – Exchanger freeze protection on refrigerant temp (in cooling)
Alarm 51
Exchanger freeze protection on refrigerant temp
(in cooling)
SST too low.
Wait that alarm is continuous (i.e. alarm stays active during at least
10min)
9.4.1.15.
Alarm 60 – Reversing valve protection
Alarm 60
Reversing valve protection
Check correct connection of sensor
Do TR / TD / TS / BP sensors
operate correctly?
NO
YES
Is PMV opening closed?
YES
NO
Is connector of PS sensor
correctly connected?
Correct connection of connector
Replace PMV
YES
NO
PMV coil short circuit
NO
Is there leaks of refrigerant on
circuit?
(Leakage detection)
YES
Empty the refrigerant charge from the unit and
recharge with correct charge of refrigerant
YES
Is pipe crushed on refrigerant
circuit?
YES
Repair piping
Is operation of 4-way valve
normal?
YES
Temperature sensor checks (TE, TS).
Defect -> Correct and repair
NO
Is pipe crushed on refrigerant
circuit?
NO
YES
Replace coil of 4-way valve
Check operation of inverter box
Check 4-way valve
Defect -> Replace
Replace inverter
box
OK
ERROR
Summary of Contents for Estia RUA-CP1701H
Page 15: ...Monobloc Outdoor Unit Service Manual 14 4 3 ESTIA hot water cylinder ...
Page 18: ...Monobloc Outdoor Unit Service Manual 17 5 1 3 Wiring Diagram Sheet 6 ...
Page 19: ...Monobloc Outdoor Unit Service Manual 18 5 1 4 Wiring Diagram Sheet 7 ...
Page 20: ...Monobloc Outdoor Unit Service Manual 19 5 1 5 Wiring Diagram Sheet 8 ...
Page 29: ...Monobloc Outdoor Unit Service Manual 28 Variable fixed speed hydraulic models ...
Page 70: ...Monobloc Outdoor Unit Service Manual 69 ...
Page 75: ...Monobloc Outdoor Unit Service Manual 74 ...
Page 157: ...Monobloc Outdoor Unit Service Manual 156 16 2 21kW Fixed Speed Variable Speed Pumpless ...
Page 160: ...Monobloc Outdoor Unit Service Manual 159 ...
Page 161: ...Monobloc Outdoor Unit Service Manual 160 ...
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Page 164: ...TOSHIBA CARRIER EUROPE S A S Route de Thil 01120 Montluel France 1402410501R03 ...