13. Electrical Utility Lock
Some electricity companies offer a special rate to the houses who lowered their power consumption
during peak time. When peak time comes, electricity company will send an ON or OFF signal to every
house, indicating that they hope the house owners to turn OFF some electric equipments.
This system can be connected to the unit if the unit is supposed to stop working during this period, and
use the following parameter settings to activate this function.
13.1) Electrical Utility Lock
Set
ON/OFF
Electrical
Utility
Lock
function
.
13.2) Operation Signal for Electrical Utility Lock
Set
the
type
of
signal
from
electricity
company
.“
Normally Open
”
means when unit can work as
normal when it gets ON signal
;
the
unit
should
stop working when it receives a OFF signal
;
“
Normally Close
”
means the opposite.
13.3) HBH During Electrical Utility Lock
Set whether turn on HBH (Heating Back-up Heater), when it is blocked by Electrical Utility Lock e.g.
gas boiler.
13.4) Working Mode of Pump During Electrical Utility Lock
Set
the
working
of
circulation
pump
when
unit
is
blocked
by
Electrical
Utility
Lock
.
If it's activated, the circulation pump will keep on working when compressor stops.
If it's not activated, the circulation pump will stop working when compressor stops.
7. Operation Instruction
87
