8
Model name (Service Ref.)
ERST20C- MEC.UK
ERST20C- VM2C.UK
ERST20D- MEC.UK
ERST20D- VM2C.UK
EHPT20X- VM2C.UK
EHPT20X- VM6C.UK
EHPT20X- YM9C.UK
EHPT20X- TM9C.UK
EHPT20X- MHCW
.UK
EHST20C- MHCW
.UK
EHST20D- MHCW
.UK
Nominal
domestic
hot
water
volume
200L
Overall unit dimensions
1600
×
595
×
680
mm
(Height
×
Width
×
Depth)
W
eight
(empty)
103
kg
110
kg
96
kg
103
kg
98
kg
99
kg
100
kg
100
kg
98
kg
110
kg
103
kg
W
eight
(full)
313
kg
320
kg
305
kg
312
kg
307
kg
308
kg
309
kg
309
kg
307
kg
320
kg
312
kg
W
ater
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
(MW
A2)
—
—
—
—
—
—
—
—
Plate
heat
exchanger
(MW
A1)
—
—
—
—
—
—
—
—
Unvented
expansion
vessel(Primary
heating)
Nominal volume
—
12 L
—
12 L
Charge
pressure
—
1 bar
—
1 bar
Safety device
W
ater
circuit (Primary)
Control thermistor
Heating
1–80°C
Pressure relief valve
0.3 MPa (3bar)
Flow
sensor
Min.
flow
5.0
L/min
Boos
ter
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
W
ater
28 mm compression primary circuit/ 22 mm 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
temperat
ur
e
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 *6
Power
supply
(Phase,
voltage,
frequency)
—
~/N, 230 V
,
50
Hz
Capacity
—
3 kW
Current
—
13 A
Breaker
—
16 A
Sound level
28dBA
Optional extras
●
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
confluent
point
with
heating
circuit),
piping
to
expansion
vessel,
and
expansion
vessel
are
not
included
in
this
value.
●
Wireless Receiver
PAR-WR51R-E
●
Thermistor
PAC-TH01
1-E
*2
The environment must be frost-free.
●
Immersion heater (1Ph 3 kW)
PAC-IH03V2-E
●
High
temperature
thermistor
PAC-TH01
1HT
-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
fit
immersion
heaters
without
thermal
cut-out.
OCH570C
Summary of Contents for EHPT20X-MHCW
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