Mitsubishi Heavy Industries HMS140VA1 User Manual

Installation
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83
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'13 • HM-T-193
Start-up and inspection
Commissioning
Outdoor unit
1. Check that the miniature circuit-breaker (FA2) in indoor
unit is on.
Indoor unit
1. Check that the temperature limiter (FD1) has not tripped.
2. S
witch on the main circuit breaker and check that the
miniaturecircuitbreaker(FA1,FA3)inindoorunitison.
3. Setswitch(SF1)to“1”(theswitchshouldbeswitchedon
for 6 hours before the compressor can be started).
When
switch (SF1) is set to “0” - wait at least 1 minute
before setting it back to “1”.
4. Se
lect operating mode “Add. heat only” by holding in the
operating mode button for 7 seconds.
5. Set the date and time in Menu 7.1 and 7.2.
6. Set the language in Menu 8.1.2.
7. Select “Service” in Menu 8.1.1.
8.
SetMenu9.3.14to“NoHW”whenHT30isconnected.
9. Select additional heat source type in Menu 9.2.8.
10.Setthefusesize
onknob(R24).CheckthevalueinMenu
8.3.1.
11.Setthe
maximmersionheateroutputonknob(R25).
CheckthevalueinMenu8.3.2.
12. Select the desired heating curve in Menu 2.1.2 and set the
parallel offset using the knob.
13.Checkthatthehot
watertemperatureinMenu1.0exceeds
25 °C.
14.When t
he above steps have been completed, select
operating mode “Auto”.
The he
at pump starts 30 minutesafter the outdoorunitis
powered if there is a heat demand.
Setting system flow heating
1. Ensure that the heat pump produces heating for the climate
system.
2. Select “On” in Menu 9.6.2.
3. Sel
ect thevalue inMenu9.6.1. according tothe table
below.
FDCW71 FDCW100 FDCW140
55 40 57
NOTE
If it is not shown, set the Menu 8.1.1 to “ Service”.
4. Check the supply and return line temperatures in Menu 2.5.
Adjust the circulation pump speed in Menu 2.1.5 so that the
difference between these temperatures is according to the
diagram below.
5. Select “Off” in Menu 9.6.2.
Difference between supply and return water temperatur
0
2
4
6
8
10
12
-15 -10 -5 0 5 10 15 20 25
∆ T (°C)
(°C)
Outdoor air temperature
$
Under floor heating application
Radiator/Fan coil application
Setting system flow cooling
The factory setting 100% in Menu 2.2.5 is recommended.
Comfort setting heating
See page 46 for setting the Heating curve.
Comfort setting cooling
Cooling function is deactivated in the default setting. See page
49 how to activate it.
ForHM
S140VAwithfancoilapplication,itisalsonecessary
to change Cooing curve (menu 2.2.2) and Minimum supply
cooling (menu 2.2.4) settings as follows to obtain enough
capacity.
Coolingcurve
(2.2.2):3
Minimumsupplycooling(2.2.4):10
ForHMS140V,donotsettheMinimumsupplycoolinglower
than 18°C.

Mitsubishi Heavy Industries HMS140VA1 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	HMS140VA1
Category	Heat Pump
Language	English