Mitsubishi MT300 User Manual

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206
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Components
Indoor unit
'10 • HM-T-149
Troubleshooting
ActionCause
Indicator lamp
Off
1 × short + 1 × long
3 × short + 1 × long
5 × short + 1 × long
The pump is not connected or is incorrectly
connected.
Low voltage.
Temperature too high.
Pump blocked.
- Check the connection.
- Power failure. Check power supply and fuses.
- The pump restarts automatically.*
- Check max. system temperature.
- Check supply voltage.
- Open and clean the pump.
* The pump reduces the voltage automatically (the speed) at 105 °C, to stop completely at 125 °C. When the pump has cooled to 115 °C
again, it restarts automatically.
Other faults:
ActionCause
Problem
Noise from pump.
Air in the system.
Dirt in the pump.
Worn bearings.
- Vent the system.
- Open and clean the pump.
- Replace the pump.
Technical specifications
Connection
Length
Voltage
Frequency
Output
Circulation pump
<HMA100V, HMA100VM>
Max pressure height
Max volume flow
Min/max temperature
Max system pressure
6 m
3000ℓ/h
-10 °C* to +95 °C
6 bar
G1” Accessories
130 mm
200-240 V
50/60 Hz
9–80 W
* Not frozen or condensed
0
10
20
30
40
50
60
0 200 400 600 800 1000 1200 1400 1600 1800 2000
kPa
Available pressure
Flow ℓ/h
0
10
20
30
40
50
60
70
80
0 500 1000 1500 2000 2500 3000 3500
Available Pressure
kPa
Flow ℓ/h
<HMS140V>
Connection
Length
Voltage
Frequency
Output
Max pressure height
Max volume flow
Min/max temperature
Max system pressure
7 m
3500ℓ/h
6 bar
G1” Accessories
130 mm
200-240 V
50/60 Hz
9–110 W
-10 °C* to +60 °C
* Not frozen or condensed

Mitsubishi MT300 Specifications

General

Brand	Mitsubishi
Model	MT300
Category	Heat Pump
Language	English