Mitsubishi Heavy Industries ESA30EH2 Series, User Manual

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3.
Operation pattern of CO
2
heat pump water heater (for Hot Water)
This heat pump water heater is operated with the target hot water amount set at each set time
The typical operation pattern and setting items are explained with following fi gure.
Setting of hot water storage operation (Refer to the setting method in Page 20)
①
Hot water temp
Store hot water in the hot water storage unit at the hot water temp set with remote control.
The heat reserving volume of the hot water storage unit can be increased or decreased by
increasing or decreasing the hot water temp.
If multiple heat pump units are connected to one remote control, it is available to set the hot
water temp individually.
② Hot water amount at each set time
Hot water amount can be set at each set time with remote control.
Set the hot water amount to meet the state of hot water usage.
③ Peak-cut timer
It is available to prohibit or save operation of the heat pump unit at the designated time.
The contract amount of power can be reduced by applying peak-cut operation of heat pump
unit according to the power demand.
④ Hot water amount setting
The hot water amount at each set time can be increased or decreased uniformly on the day
of a week basis.
In case that the usage amount of hot water may vary depending on the season or the day
of a week, please use this function.
Ex. 1 In summer: More In winter: Less
Ex. 2 From Monday to Thursday: Less Friday, Saturday: More Sunday: Normal
⑤ Setting [Pause]
If it is a day off and no hot water is required to store, it can make hot water storage
operation prohibited.
Operation Operation Operation
100%
Set hot water amount
50%
0%
22:00 14:00 8:00 22:00
③
In Pause by
peak-cut timer
Actual hot water amount
②
Set hot water amount at each time
Store hot water during the night time
applied cheaper tariff.
If the hot water amount becomes lower than
the set value, hot water storing operation starts.