Introduction - Mitsubishi Electric ecodan EHPT20Q-VM2EA Installation Manual

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Introduction

The purpose of this Installation Manual is to instruct competent persons how to safely and efficiently install and commission the cylinder unit system.
The target readers of this manual are competent plumbers and/or refrigeration engineers who have attended and passed the requisite Mitsubishi Electric
product training and have appropriate qualifications for installation of an unvented hot water cylinder unit specific to their country.
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Technical Information
Product specification
Model name
Modes
Nominal thermal store tank volume
Overall unit dimensions
Weight (empty)
Weight (full)
Primary expansion vessel Nominal volume
(Accessory item)
Charge pressure
Safety device Water circuit Control thermistor (THW1)
(Thermal store tank)
Control thermistor (THW3)
Pressure relief valve (2 No. devices)
Flow sensor
Manual reset thermostat
Booster heater Manual reset thermostat
Thermal Cut-out
(for dry run prevention)
Primary circuit circulating Thermal store and space heating
pump
Hot water supply
Connections Primary circuit
Secondary (potable) circuit
Target temperature range Space heating Flow temperature *1
Room temperature
DHW supply maximum temperature
Guaranteed operating range Ambient *2
Outdoor temperature
Electrical data Control board Power supply
Current
Breaker
(Local supply)
Booster heater Power supply
Capacity
Current
Breaker
Sound power level
Maximum secondary (potable) water supply pressure
Maximum primary working pressure
Minimum primary working pressure
*1 Depending on the ambient conditions, it may not reach the set temperature.
*2 The cylinder's environment MUST be frost-free.
EHPT20Q-VM2EA
Space & DHW heating
200 L
1600 × 595 × 680 mm (Height × Width × Depth)
77 kg
283 kg
18 L or 25 L
1.0 bar (100 kPa)
42 - 72°C
80 °C
3.0 bar (300 kPa)
Min. flow 1.3 L/min
90 °C
90 °C
121 °C
Grundfos Solar PML 25-145 180
Grundfos Solar PML 25-145 180
φ 22.0
φ 22.0
25 - 60 °C
10 - 30 °C
40 - 70 °C
0 - 35 °C （80％RH)
- 15 - 35 °C
(Phase, voltage, frequency) 230V N〜 50 Hz
12.8 A
20 A
230V N〜 50 Hz
(Phase, voltage, frequency)
2 kW
8.7 A
16 A
40 dB(A)
10 bar (1 MPa)
2.5 bar (250 kPa)
1.0 bar (100 kPa)
<Table 3.1>
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