Daitsu FDLA-09, Installation, Operation & Service Manual

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Page 30 of 59
SK2015 SWC ‐ V ‐ EC ‐ 001
AUTO ‐ MODE
a) If the current running mode is AUTO COOL mode, it will change over to AUTO HEAT mode upon satisfying all
the conditions below:
i. Ts – Tr ≥ 1°C (or – 4ºC if economy contact is activated).
ii. MTV1 has stopped ≥ 10 minutes.
b) If the current running mode is AUTO HEAT mode, it will change over to AUTO COOL mode upon satisfying all
the conditions below:
i. Tr ‐ Ts ≥ 1°C (or + 4ºC if economy contact is activated).
ii. MTV2 has stopped ≥ 10 minutes.
Note: AUTO COOL or AUTO HEAT operations are the same as COOL or HEAT mode respectively.
SLEEP MODE
a) SLEEP mode can only be set when the unit is in COOL or HEAT mode.
b) In COOL mode, after SLEEP mode is set, the indoor fan will run at low speed and Ts will increase by 2ºC over 2
hours.
c) In HEAT mode, after SLEEP mode is set, the indoor fan will run at set speed and Ts will decrease by 2ºC over 2
hours.
d) Changing of operation mode will cancel SLEEP mode.
The COOL mode SLEEP profile is:
Set temperature
Ts+2.0
Ts+1.0
Ts+0.5
Ts
Sleep
on
0.5
1.0
2.0
Sleep
off
Hour
The HEAT mode SLEEP profile is:
Set temperature
Ts
Ts ‐ 0.5
Ts ‐ 1.0
Ts ‐ 2.0
Sleep on
0.5
1.0
2.0
Sleep off
Hour