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Model name (Service Ref.)

ERST20C-

MECR1.UK

ERST20C-

VM2CR1.UK

ERST20D-

MECR1.UK

ERST20D-

VM2CR1.UK

EHPT20X-

VM2CR1.UK

EHPT20X-

VM6CR1.UK

EHPT20X-

YM9CR1.UK

EHPT20X-

TM9CR1.UK

EHPT20X-

MHCWR1.UK

EHST20C-

MHCWR1.UK

EHST20D-

MHCWR1.UK

ERST20C-

MECR2.UK

ERST20C-

VM2CR2.UK

ERST20D-

MECR2.UK

ERST20D-

VM2CR2.UK

EHPT20X-

VM2CR2.UK

EHPT20X-

VM6CR2.UK

EHPT20X-

YM9CR2.UK

EHPT20X-

TM9CR2.UK

EHPT20X-

MHCWR2.UK

EHST20C-

MHCWR2.UK

EHST20D-

MHCWR2.UK

Nominaldomestichotwatervolume 200 L

Overall unit dimensions 1600×595×680mm(Height×Width×Depth)

Weight(empty) 103kg 110kg 96kg 103kg 98kg 99kg 100kg 100kg 98kg 110kg 103kg

Weight(full) 313kg 320kg 305kg 312kg 307kg 308kg 309kg 309kg 307kg 320kg 312kg

Watervolumeofheatingcircuitintheunit*1 6.6kg 6.6kg 5.7kg 5.7kg 5.9kg 5.9kg 5.9kg 5.9kg 5.9kg 6.6kg 5.7kg

Plateheatexchanger(MWA2)

— — — — — — — —

Plateheatexchanger(MWA1) — —

— — — — — —

Unventedexpansion

vessel(Primaryheating)

Nominal volume — 12 L — 12 L

Chargepressure — 1 bar — 1 bar

Safety

device

Water

circuit

(Primary)

Control thermistor Heating 1–80°C

Pressure relief valve 0.3 MPa (3bar)

Flowsensor Min.ow5.0L/min

Booster

heater

Manual reset thermostat — 90°C — 90°C — — —

Thermal Cut-out (for dry run prevention) — 121°C — 121°C — — —

DHW

tank

Control thermistor 40–70°C

Temperature and pressure relief valve/

Pressure relief valve

1.0 MPa

(10 bar)

90°C/

0.7 MPa (7 bar)

PrimarycircuitcirculatingPump Grundfos UPM2K 15-75 130 Grundfos UPM2 15-70 130

SanitarycircuitcirculatingPump Grundfos UPSO 15-60 130 CIL2

Connections

Water 28mm compression primary circuit/ 22mm compression DHW circuit

Refrigerant

(R410A)

Liquid 9.52 mm 6.35 mm

— — — — —

9.52 mm 6.35 mm

Gas 15.88 mm 12.7 mm 15.88 mm 12.7 mm

Targettemperature

range

Flowtemperature

Heating 25–60°C

Cooling 5–25°C —

Room temperature

Heating 10–30°C

Cooling NOT available —

Guaranteed

operatingrange

Ambient *2 0–35°C(

80 %RH)

Outdoor

temperature

Heating See outdoor unit spec table.

Cooling Seeoutdoorunitspectable.(min.10°C)*3 —

DHW tank

performance

Maximumallowablehotwatertemperature *4 70°C *4 70°C

TimetoraiseDHWtanktemp.15–65°C*5 22.75 min

Timetoreheat70%ofDHWtankto65°C*5 17.17 min

Electrical data

Control board

Powersupply

(Phase,voltage,frequency)

~/N,230V,50Hz

Breaker(whenpowered

from independent source)

10A

Booster heater

Powersupply

(Phase,voltage,frequency)

—

~/N, 230 V,

50Hz

—

~/N, 230 V,

50Hz

~/N, 230 V,

50Hz

~/N, 230 V,

50Hz

3~, 400 V,

50Hz

3~, 230 V,

50Hz

— — —

Capacity

—

2 kW

—

2 kW 2 kW 2 kW+4 kW 3 kW+6 kW 3 kW+6 kW —

— —

Current

—

9 A

—

9 A 9 A 26 A 13 A 23 A —

— —

Breaker

—

16 A

—

16 A 16 A 32 A 16 A 32 A —

— —

Immersion heater

Powersupply

(Phase,voltage,frequency)

—

~/N, 230 V,

50Hz

Capacity

—

3 kW

Current

—

13 A

Breaker

—

16 A

Sound pressure level 28 dB(A)

Soundpowerlevel 40 dB(A)

●

Wireless Remote Controller PAR-WT50R-E

●

Remote Sensor PAC-SE41TS-E *1

Volumeofsanitarywatercircuit,primaryDHWcircuit(from3-wayvalvetoconuentpointwithheatingcircuit),pipingtoexpansionvessel,andexpansionvesselarenotincludedinthisvalue.

●

Wireless Receiver PAR-WR51R-E

●

Thermistor PAC-TH011-E *2 The environment must be frost-free.

●

Immersion heater (1Ph 3 kW) PAC-IH03V2-E

●

Hightemperaturethermistor PAC-TH011HT-E *3Coolingmodeisnotavailableinlowoutdoortemperature.

●

EHPT Accessories for UK PAC-WK01UK-E

●

ecodan Wi-Fi Interface PAC-WF010-E Ifyouuseoursystemincoolingmodeatthelowambienttemperature(10°Corbelow),therearesomerisksofplateheatexchangerbreakingbyfrozenwater.

●

Drain pan stand PAC-DP01-E

●

2-zonekit PAC-TZ01-E *4Forthemodelwithoutbothboosterheaterandimmersionheater,themaximumallowablehotwatertemperatureis[Maximumoutletwaterofoutdoorunit−3°C]

Forthemaximumoutletwaterofoutdoorunit,refertooutdoorunitdatabook.

*5 Tested under BS7206 conditions.

*6 Donottimmersionheaterswithoutthermalcut-out.

Optional extras

OCH570C

Brand	Mitsubishi
Model	EHST20C-VM2C
Category	Heat Pump
Language	English

Mitsubishi EHST20C-VM2C User Manual

Table of Contents

Questions and Answers:

Mitsubishi EHST20C-VM2C Specifications

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