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Other Apollo GEM Features
Manual Boost Function
In addition to the "optimising" modes where Apollo GEM is using the excess generated power, a manual
boost function is provided to allow a connected heater or appliance to be manually turned on irrespective
of whether there is excess generated power available or not.
The manual boost function is available on either output and can be set to 1,2,3 or 4 hours.
Operation of this function is described in more detail in the manual boost section of this manual.
Timer Function
The Apollo GEM timer can be programmed to give 3 on/off times per day for Monday to Friday and 3
different on/off times for Saturday & Sunday.
When the timer is on, the water will be heated at full power regardless of whether any surplus PV power
is available. This allows water to be heated during off peak electricity times or in the early morning before
any PV power is generated.
Each timer on time can switch either output 1 or output 2.
The timer functions are described in more detail in the timer functions section of this manual.
Legionella Control Function
The Apollo GEM has a programmable built-in legionella control cycle that can be used to automatically
carry out a heating cycle to prevent legionella colonies from accumulating in the hot water system..
There are two programs available, one for each heater output. If only one output is used or both Apollo
GEM heater outputs are in the same physical cylinder only one of the programs need be used.
The legionella functions are described in more detail in the legionella section of this manual.
Apollo GEM User Manual
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