Toshiba Estia RUA-CP1701H, Service Manual

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Monobloc Outdoor Unit Service Manual
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50 Backup not allowed
OAT is above [P604] or unit is not
in Heat Mode
Do not allow electric backup
51 No Heating Demand
Not an Heat Mode or Heat Mode is
satisfied
Do not allow backup
100 Unit is failed Unit is failed
Do not allow electric or boiler
backup
8.3.5. DHW Override [P202]
The following table includes DHW overrides:
# Override Conditions Action
-1
DHW Disabled
DHW is not configured Do nothing
0 No override Unit is running normally in DHW Do nothing
1
DHW not
operating Unit is running in Space Heating or
Cooling
2
DHW Valve
moving
DHW Diverting Valve is moving
3
DHW with EH
only DHW mode is active with DHW
Electrical Heater only
50
Heat Mode not
allowed
DHW cannot run due to
Capacity Override #39 “Minimum
OAT in Heating”, #41 “High EWT in
Heating” or #44 “Maximum OAT in
Heating”.
Do not allow the DHW
mode
100 DHW Failure DHW is failed or Unit is failed
Do not allow the DHW
mode