Mitsubishi Heavy Industries HMK60, Installation Manual

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60
Commissioning and adjusting
Hot water circulation setting
hot water recirc.
operating time
Setting range: 1 – 60 min
Default value: 60 min
downtime
Setting range: 0 – 60 min
Default value: 0 min
Set the hot water circulation for up to three periods per day
here. During the set periods the hot water circulation pump will
run according to the settings above.
"operating time" decide how long the hot water circulation
pump must run per operating instance.
"downtime" decide how long the hot water circulation pump
must be stationary between operating instances.
Hot water circulation is activated in menu 5.4 "soft inputs and
outputs".
The fi gure at the end of the curve indicates the curve number.
The fi gure beside the thermometer icon gives the curve off set.
Use the control knob to set a new value.
Confi rm the new setting by pressing the OK button.
Curve 0 is an own curve created in menu 1.9.7.
To select another curve (slope):
1. Press OK button to access the setting mode
2. Select a new curve. The curves are numbered from 0 to 15,
and the bigger number curve has steeper slope.
Curve 0 means that own curve (menu 1.9.7) is used.
3.
Press OK button to exit the setting.
To read off a curve:
1. Turn the control knob so that the ring on the shaft with the
outdoor temperature is marked.
2. Press OK button.
3.
Follow the grey line up to the curve and out to the left to
read off the value for the supply temperature at the selected
outdoor temperature.
4. You can now select to take read outs for different outdoor
temperatures by turning the control knob to the right or left
and read off the corresponding fl ow temperature.
5. Press OK or Back button to exit read off mode.
TIP
Wait 24 hours before making a new setting, so that the
room temperature has time to stabilise.
If it is cold outdoors and the room temperature is too low,
increase the curve slope by one increment.
If it is cold outdoors and the room temperature is too high,
lower the curve slope by one increment.
If it is warm outdoors and the room temperature is too low,
increase the curve offset by one increment.
If it is warm outdoors and the room temperature is too high,
lower the curve offset by one increment.