– 53 –
1.33˚C.
SFTDSW
0.66˚C.
Fan speed set to "auto"
1 min.
Hi
Lo Hi Hi Hi
ultra Hi
Basic Heating Operation
Start
Stop Start Start StopStop
Thermo
OFF
Thermo
OFF
Heating set temperature
(remote control set temperature
(+))
Start/stop switch
Thermo judgment
Indoor fan
Ultra-Hi
Hi
Med
Lo
Ultra-Lo
Operation lamp
Max.
Rating
3000
0
Compressor speed
Outdoor fan
Reversing valve (heating "on" model)
Thermo OFF
Dash period
TWMAX
Wtd
Defrost signal
Preheating judgment
30sec. 30sec.
10sec.
15sec. 15sec.
15sec. 15sec. 15sec.
10sec.
15sec.
15sec.
150sec. Delay
150sec. Delay150sec. Delay
3min.
Max. 3 min.
Preheating released
Control by
heat exchanger temperature
Control by
heat exchanger temperature
15sec.
Control by
heat exchanger temperature
Control by
heat exchanger temperature
Control by
heat exchanger temperature
18˚C
10sec.
30sec. 30sec.
10sec.
30sec. 30sec.30sec. 30sec. 30sec. 30sec.
10sec.
Preheat released
WMIN
(WSTD)
(WMAX)
NOTE (11)
WMAX2
Notes:
(1) Condition for entering into Hot Dashed mode. When fan set to “Hi” or “Auto mode” and i) Indoor temperature is lower than 18°C, and ii) outdoor temperature is lower than 10°C,
and iii) Temperature difference between indoor temperature and set temperature has a corresponding compressor rpm (calculated value in Table 3) larger than WMAX.
(2) Hot Dashed will release when i) Room temperature has achieved the set temperature + SFTDSW. ii) Thermo off.
(3) During Hot Dashed operation, thermo off temperature is set temperature (with shift value) +3°C. After thermo off, operation continue in Fuzzy control mode.
(4) Compressor minimum “ON” time and “OFF” time is 3 minutes.
(5) During normal heating mode, compressor maximum rpm WMAX will maintain for 120 minutes if indoor temperature is higher than 18°C. No time limit constrain if indoor temperature
is lower than 18°C and outdoor temperature is lower than 2°C.
(6) During Hotkeep or Defrost mode, indoor operation lamp will blink at interval of 3 seconds “ON” and 0.5 second “OFF”.
(7) When heating mode starts, it will enter into Hotkeep mode if indoor heat exchanger temperature is lower than YNEOF + 0.33°C.
(8) When fan is set to “Med” or “Lo”, compressor rpm will be limited to WBEMAX.
(9) In “Ultra-Lo” fan mode, if indoor temperature is lower than 18°C, indoor fan will stop. If indoor temperature is higher than 18°C + 0.33°C, fan will continue in “Ultra-Lo” mode.
During Hotkeep or Defrost mode, fan will continue in “Ultra-Lo” mode.
(10) During Hot Dashed or outdoor temperature is lower than –5°C, compressor rpm is WMAX2.
(11) During Hot Dashed, when room temperature reaches set temperature + SFTDSW compressor rpm is actual rpm x DWNRATEW.
Temperature Calculated
difference compressor rpm
1.66 1965 min
–1
2 2135 min
–1
2.33 2300 min
–1
2.66 2465 min
–1
3 2635 min
–1
3.33 2800 min
–1
3.66 2965 min
–1
4 3135 min
–1
4.33 3300 min
–1
4.66 3465 min
–1
5 3635 min
–1
5.33 3800 min
–1
5.66 3965 min
–1
6 4135 min
–1
6.33 4300 min
–1
6.66 4465 min
–1
7 4635 min
–1
7.33 4800 min
–1
7.66 4965 min
–1
8 5135 min
–1
8.33 5300 min
–1
8.66 5465 min
–1
9 5635 min
–1
9.33 5800 min
–1
9.66 5965 min
–1
10 6135 min
–1
10.33 6300 min
–1
10.66 6465 min
–1
11 6635 min
–1
Table 3 ∆TWMAX
Notes:
1. See the data in Table 1 on
page 45 for each constant in
capital letters in the diagrams.
0274E Pg 53(RAI-50NH5) 19/10/05, 3:32 PM1
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