Hyundai HDFN-80-1400, Руководство по эксплуатации

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(2) Open the main fuel valve.
(3) The process to be followed is the same as mentioned in the cooling operation and the
chiller-heater is operated automatically.
Note : The refrigerant pump does not operate in heating operation. Refer to the Fig. 19 for
the stert-up order.
Fig. 5.9 Heating Operation Flow Diagram (START)
5.5.2 Stoppage
(1) Stoppage is proceeded the same order as the cooling operation.
Refer to Fig. 5.10 for the stoppage order of heating operation.
Fig. 5.10 Cooling Operation Flow Diagram (STOP)
Start switch ON
Hot water thermostat ON
(with heating load)
N Hot water flow rate
o H.P. gen. Solution level
r H.P. gen. Pressure
m Exhaust gas temperature
a Gas pressure
l (Applied for gas fired type)
Solution pump operation
Forced for operation
Forced for operation
Air purge
Igniting system
operation
Flame detection
Main fuel valve open
Temperature
Control start
Start switch ON Dilute operation
(Approx.20 min.)
Solution pump stop
Damper low
Combustion position
Main fuel valve close
Forced fan stop
Igniting system
stop