Invest MSC-24/QD FP, Service Manual

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8.7.8 Rating capacity test function
value. Any diti
rating capacity test mode if running for 5 hours or changing
fan speed or setting temperature.
wind function, frequency of compressor will not be elevated one grade until
these limit has n re
2) After running for 30 minutes the machine will turn back to previous setting mode.
8.8.1 This mode can be chosen with remote controller and the setting temperature can be changed between
17~3
In auto mode, the m e cooling, heating or fan-only to Δ T( Δ T =T1-Ts).
Δ Ru de
on
off
on
off
on
off
on
off
compressor
4-way valve
outdoor fan
indoor fan
indoor fan breeze 10s
90s
100s
no longer than 10 minutes 30s
F8
1) Set the indoor unit with remote controller as: high fan, 30 in heating mode, then press
“TURBO” button on controller 6 times or more within 10 seconds(make sure indoor unit receives these
signals), the machine will turn into rating capacity test mode, the buzzer will make a “di” sound for 2 seconds
continuously. Also, indoor fan will change to rating speed, the frequency of compressor will be fixed as rating
con on of above is not satisfied, the machine can not be turned into rating capacity test mode.
2) The machine will quit from the
8.7.9 Turbo function in heating mode
Elevate current frequency(excluding F8) to a higher grade. If indoor fan is in low speed or pause
caused by defrosting or anti-cold-
bee leased.
1) Indoor fan changes to turbo speed and anti-cold-wind function is valid.
8.8 Auto mode function
0 .
achine will choos mode according
T=T1-Ts nning mo
Δ T 1 Cooling
-1 ≤Δ T ≤ 1 Fan-only
Δ T -1 Heating
8.8.2 Indoor fan will choose auto speed of relevant mode.
If the machine switches mode be 8.8.3 tween heating and cooling, compressor will keep stopping for 15 minutes and then