Cooling Mode; Dash Operation (No Smell Prevention); Damper Open Operation (Except Dash) - Hitachi RAF-25NH4 Service Manual

ooling mode
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
● Dash operation (no smell prevention)
ain Power
Remote control l e r operati o n
Operating condition
Operation lamp
Upper fan
Lower fan
Compressor
Limit SW
Close
(Limit SW is ON)
Open
(Bottom i m pi n gi n g end)

Damper open operation (except dash)

●
This function is allowed when the damper open control select flag on EEPRO 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: Ò anual coolingÓ
(b) Preset fan speed: ÒHiÓ
(c) Preset temperature: Ò16¼CÓ
(d) [Room temperature (R T ) Ð Final preset temperature (THERW2)]
(d) will be cancelled when [Room temperature (R T ) Ð Final preset temperature (THERW2)]
(e) Thermo ON condition (ASTUS=3)
ain Power
Remote control l e r operati o n
Operating condition Stop
Operation lamp
Upper fan
Lower fan
Compressor
Limit SW
Close
(Limit SW is ON)
Open
(Bottom i m pi n gi n g end)
Operati o n starts Dash operati o n starts
Stop 15sec.
ON
Ini t i a l compl e ted
Tightening angle
Overall angle width
+
Tightening angle
Period 1 Period 2
Operation starts
Conditions for open operation satisfied
Setting fan speed
ON
Tightening angle
Overall angle width
Period 1 Period 2 Period 3
Open sequence
Ò Ó.
Dash operation
Setting fan speed
Setting fan speed
Overall angle width
Period 3
Open sequence
Condi t i o ns for open operati o n cancel l e d Conditions for open operation satisfied
Setting fan speed
Overall angle width
Tightening angle
Ð 180 Ð
Thermo OFF (Dash remove)
Thermo OFF
ON
Overall angle width
+
Tightening angle
[ONDOSA] However, the condition.
≧
Setting fan speed
ON
+
Period 1 Period 2 Period 3
Open sequence
Thermo ON
Normal operation
[ONDOSA].
≦