*1 The environment must be frost-free.
*2 Tested under BS7206 conditions .
*3 Do not t immersion heaters without thermal cut-out.
Technical Information
3
Product specication
Model name
EHST20C-
VM6HB
EH
ST20C-
YM9HB
EHST20C-
TM9HB
EHST20C-
VM2B
EHST20C-
VM6B
EHST20C-
YM9B
EHST20C-
VM6EB
EHST20C-
YM9EB
EHST20C-
VM6SB
EHPT20X-
VM2HB
EHPT20X-
VM6HB
EHPT20X-
YM9HB
EHPT20X-
TM9HB
EHPT20X-
VM6B
EHPT20X-
YM9B
Nominal domestic hot water volume 200L
Overall unit dimensions 1600 x 595 x 680 mm (Height x Width x Depth)
Weight (empty) 128 kg 128 kg 128 kg 125 kg 127 kg 127 kg 122 kg 122 kg 128 kg 113 kg 115 kg 115 kg 115 kg 114 kg 114 kg
Weight (full)
343 kg 343 kg 343 kg 340 kg 342 kg 342 kg 337 kg 337 kg 343 kg 326 kg 328 kg 328 kg 328 kg 327 kg 327 kg
Plate heat exchanger
— — — — — —
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 (3 bar)
Flow switch Min ow 5.5 l/min
Booster heater Manual reset thermostat 90°C
Thermal Cut-out (for dry run prevention) 121°C
DHW tank Control thermistor 40 - 70°C
Temperature and pressure relief valve
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
90°C/
0.7 MPa
(7 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
1.0 MPa
(10 bar)
Primary circuit circulating Pump Grundfos UPM2 25 70 - 180
Connections Water 28 mm compression primary circuit/ 22 mm compression DHW circuit/22 mm compression solar thermal (Ancillary heating) circuit
Refrigerant
(R410A)
Liquid 9.52 mm 9.52 mm 9.52 mm 9.52 mm 9.52 mm 9.52 mm 9.52 mm 9.52 mm 9.52 mm
— — — — — —
Gas 15.88 mm 15.88 mm 15.88 mm 15.88 mm 15.88 mm 15.88 mm 15.88 mm 15.88 mm 15.88 mm
Target temperature range
Flow temperature
Heating 25 - 60°C
Cooling —
Room temperature
Heating 10 - 30°C
Cooling —
Guaranteed operating range Ambient *1 0 - 35°C (
80 %RH)
Outdoor
temperature
Heating See outdoor unit spec table.
Cooling —
DHW tank performance *2 Time to raise DHW tank temp 15 - 65°C 21.75 mins
Time to reheat 70% of DHW tank to 65°C 16 mins
Electrical data Control board Power supply
(Phase, voltage, frequency)
~/N, 230 V, 50 Hz
Breaker (*when powered
from independent source)
10 A
Booster heater Power supply
(Phase, voltage, frequency)
~/N, 230 V,
50 Hz
3~, 400 V,
50 Hz
3~, 230 V,
50 Hz
~/N, 230 V,
50 Hz
~/N, 230 V,
50 Hz
3~, 400 V,
50 Hz
~/N, 230 V,
50 Hz
3~, 400 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
~/N, 230 V,
50 Hz
3~, 400 V,
50 Hz
Capacity
2 kW+
4 kW
3 kW+
6 kW
3 kW+
6 kW
2 kW
2 kW+
4 kW
3 kW+
6 kW
2 kW+
4 kW
3 kW+
6 kW
2 kW+
4 kW
2 kW
2 kW+
4 kW
3 kW+
6 kW
3 kW+
6 kW
2 kW+
4 kW
3 kW+
6 kW
Current 26 A 13 A 23 A 9 A 26 A 13 A 26 A 13 A 26 A 9 A 26 A 13 A 23 A 26 A 13 A
Breaker 32 A 16 A 32 A 16 A 32 A 16 A 32 A 16 A 32 A 16 A 32 A 16 A 32 A 32 A 16 A
Immersion heater
*3
Power supply
(Phase, voltage, frequency)
~/N, 230 V, 50 Hz — ~/N, 230 V, 50 Hz —
Capacity 3 kW — 3 kW —
Current 13 A — 13 A —
Breaker 16 A — 16 A —
Solar (ancillary) connection — — — — — — — —
— — — — — —
<Table 3.1>
Optional extras
• Wireless Remote Controller PAR-WT50R-E • Remote sensor PAC-SE41TS-E
• Wireless Receiver PAR-WR51R-E • Joint pipe (15.88 → 12.7) PAC-SH50RJ-E
• Immersion heater (1 Ph 3kW) PAC-IH03V-E • Joint pipe (9.52 → 6.35) PAC-SH30RJ-E
• EHPT Accessories for UK PAC-WK01UK-E •Thermistor PAC-TH011-E
•High temperature thermistor PAC-TH011HT-E
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