Hitachi RAK-18NH5 - Page 222

● Dashoperation(nosmellprevention)
Main Power
Remote controller operation
Operating condition
Operation lamp
Indoor
Upper fan
Lower fan
Compressor
Limit SW
Damper
Close
(Limit SW is ON)
Open
(Bottom impinging end)
Operation starts Dash operation starts Thermo ON
Thermo OFF
Thermo OFF (Dash remove)
Stop 15sec.
Normal operation
Dash operation
Setting fan speed
Period 1 Period 2
Open sequence
Period 3
Setting fan speed
ON
ON
Tightening angle
Tightening angle
Overall angle width
Overall angle width
+
Tightening angle
Overall angle width
+
 
The damper opens at cool dash (excluding smell prevention) and closes at the completion of cool dash.
The damper also closes at the moment the Air outlet SW is set to
Ò Ó.
Initial completed
Main Power
Remote controller operation
Operating condition
Operation lamp
Indoor
Upper fan
Lower fan
Compressor
Limit SW
Damper
Close
(Limit SW is ON)
Open
(Bottom impinging end)
Operation starts
Stop
Period 1 Period 2
Open sequence
Period 3 Period 1 Period 2
Open sequence
Period 3
Setting fan speed
ON
ON
Tightening angle
Tightening angle
Overall angle width
Overall angle width
+
● Damper open operation (except dash) 
This function is allowed when the damper open control select flag on EEPROM at cooling operation and fan
speed of HI is set to [FLGET8 (3) = 1] and all the following conditions are satisfied. If any of the following
conditions is unsatisfied, the damper will be closed.
 (a) Operating mode: ÒManual coolingÓ
 (b) Preset fan speed: ÒHiÓ
 (c) Preset temperature: Ò16¼CÓ
 (d) [Room temperature (RMTM) Ð Final preset temperature (THERW2)] ≧ [ONDOSA] However, the condition.
(d) will be cancelled when [Room temperature (RMTM) Ð Final preset temperature (THERW2)] ≦ [ONDOSA].
 (e) Thermo ON condition (ASTUS=3)
Conditions for open operation satisfied Conditions for open operation cancelled
Conditions for open operation satisfied
Setting fan speed
Setting fan speed
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