Apollo Solar GEM - Apollo GEM Threshold Output Operating Modes

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Apollo GEM Threshold Output Operating Modes
The diagrams below illustrate the various modes Apollo GEM can operate in using threshold power
control mode.
Apollo GEM User Manual
Output 1 is activated when threshold 1 is reached. Output 2 is then activated together with output 1
if sufficient power is available. Total load on both outputs must not be greater than 3KW. Load can be up to 16KW
per load if used with external contactors.
Single Output
Mode
2 Output
Priority Modes
2 Output
Threshold Mode
Power is diverted to second output when the first output set temperature is reached
if the first output is connected to a heating appliance
Only output 1 or output 2 used
Output 1
Output 2
Output 1
Output 2
OR
THRESHOLD
THRESHOLD
GEM Controller
GEM Controller
Output 1
Out
put 2
GEM Controller
THRESHOLD
THRESHOLD
Output 1
Output 2
THRESHOLD
GEM Controller
THRESHOLD