Mitsubishi HMA100V Technical Manual

Installation
'10 • HM-T-149A
37
Filling the hot water coil
The hot water coil is lled by opening a hot water tap.
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. Switch 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. Select 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 point 12 has been carried out, select operating mode
“Auto”.
The heat 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. Select 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.
Commissioning Hydrolution without outdoor
unit connected
1. Check that the temperature limiter (FD1) has not tripped.
2. Switch on the main circuit breaker and check that the
miniature circuit breaker (FA1) in indoor unit is on.
3. Set switch (SF1) to “1”.
4. Select 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. Select “Service” in Menu 8.1.1.
7. Select addition type in Menu 9.2.8.
8. Set the fuse size on knob (R24). Check the value in Menu
8.3.1.
9. Set the max immersion heater output on knob (R25). Check
the value in Menu 8.3.2.
10. Select the desired heating curve in Menu 2.1.2 and set the
parallel offset using the knob.
NOTE
Be sure to bleed air in the climate system completely.
The circulation pump may become damaged.
Start-up and inspection
-
77
-
NOTE
Do not turn the switch (SF1) to 1 or until the
system has been lled with water.
The circulation pump and immersion heater
may become damaged.

Mitsubishi HMA100V Specifications

General

Brand	Mitsubishi
Model	HMA100V
Category	Heat Pump
Language	English