Heat Controller VMH09SC-1 Service Manual page 33

VMH SerieS
Heat Controller, Inc. Service Manual
8.4.6.2 In forced operation mode, all general protections and remote control functions are available.
8.4.6.3 Operation rules:
Forced cooling mode:
The compressor runs at F2 frequency and indoor fan runs as breeze. After running for 30 minutes. the
machine will turn to auto mode at 75°F/24°C set temperature.
Forced auto mode:
The action of forced auto mode is the same as normal auto mode with 75°F/24°C set temperature.
8.4.7 Timer function
8.4.7.1 Timing range is 24 hours, and the minimum resolution is 15 minutes.
8.4.7.2 Timer on. After turning off, the machine will turn on automatically when set time is reached.
8.4.7.3 Timer off. After turning on, the machine will turn off automatically when set time is reached.
8.4.7.4 Timer on/off. After turning off, the machine will turn on automatically when it has reached the set
"on" time, and then turn off automatically when it has reached the set "off" time.
8.4.7.5 Timer off/on. After turning on, the machine will turn off automatically when it has reached the set
"off" time, and then turn on automatically when it has reached the set "on" time.
8.4.7.6 The set time is relative time.
8.4.7.7 The tolerance of timer is 1 minute per hour.
8.4.8 Sleep function mode
8.4.8.1 Operation time in sleep mode is 7 hours. After 7 hours the AC quits this mode and turns off.
8.4.8.2. Operation process in sleep mode is as follow:
Sleep mode is selected by pressing the economic or sleep button on the remote control the first hour 2°F
the second hour.
In cooling, the set temperature rises 2°F/1°C (be lower than 86°F/30°C) every one hour, 2 hours later the
set temperature stops rising and indoor fan is fixed as low speed.
When heating, the setting temperature decreases 2°F/1°C (be higher than 63°F/17°C) the first hour 2°F the
second hour, 2 hours later the set temperature stops decreasing and indoor fan is fixed as low
speed.(Anti-cold wind function has the priority)
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