Toshiba Estia RUA-CP1701H, Руководство по обслуживанию

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Monobloc Outdoor Unit Service Manual
61
13 Freeze Protection
Alarm #50 or #51 is active and
will be automatically reset (number
of allowed occurrences not
reached) <OR> Variable Speed
Pump configured (Par.804=2) and
Compressor starting sequence on
going (capacity override #5 to #8)
and SST below 0°C <OR> Variable
Speed Pump configured
(Par.804=2) and Capacity override
#58 “Low SST” is active.
Run the pump at 100%
14
Compressor or Inverter
failed
Cool Mode or Heat Mode is
selected, no Electric Backup is
active and a “Compressor Fail”
alarm is active.
Stop the pump
15 DHW Valve moving
DHW Valve is moving back to
Space Heating/Cooling and
Compressor is still running.
Run the pump at DHW configured
speed (Par.710)
16
Water Control Point
reached
Variable Speed pump configured
in Delta Temperature logic
([P566]=1), CTRL_TMP [P052]
reaches CTRL_PNT [P051].
Reduce the Current Delta Temp
Setpoint to avoid the pump speed
to decrease too much.
100 Emergency stop Alarm 100 is active Stop the pump
8.3.4. Backup Override [P091]
The following table includes all backup overrides with respect to their priority.
# Override Conditions Action
-1
Backup Disabled No backup is configured Do nothing
1
Backup running due to
Heat Pump low
capacity Heat Mode is requested, warm up
timer is elapsed and setpoint is not
satisfied.
Booster is active
2
Backup running as
booster EHS1 is configured as booster
[P601]and Heat Mode is
Booster is active
3
Backup running during
Defrost
Defrost is active Booster is active
4
Backup running due to
Heat Pump failure Heat Pump cannot run the
compressor due to a failure
Backup is active
5
Backup running due to
low OAT Heat Pump is not allowed to start
due to low OAT
Backup is active
10 Off-peak
Off-peak is active and an electric
backup is configured
Do not allow electric backup
11 Loadshed
Loadshed is active and an electric
backup is configured
Do not allow electric backup
12
Backup stopped
due to DHW Mode An Elecrical Backup is configured
and DHW Mode is active
Do not allow electric backup
13
Capacity Limit to
0%
A capacity limit is applied Do not allow electric backup
14 Summer Mode Summer Mode is active Do not allow backup