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2
Introduction
The purpose of this installation manual is to instruct competent persons how to safely and efficiently install and commission the heat
pump unit system. The target readers of this manual are competent heating, plumbing and/or refrigeration engineers who have at-
tended and passed the requisite Mitsubishi Electric product training and have appropriate qualifications for installation of an unvented
hot water heat pump unit specific to their country.
3
Technical Information
Product specification
Model name
Nominal domestic hot water volume
Overall unit dimensions
Weight (empty)
Weight (full)
Refrigerant
The amount of refrigerant
Water volume of heating circuit in the unit *1
Water volume of ambient loop in the unit
Water circuit
(Primary)
DHW tank
Immersion
Safety device
heater
Ambient loop
Refrigerant
circuit
Primary circuit circulating Pump
Sanitary circuit circulating Pump
Connections
Guaranteed
operating range
Operating range
Flow rate range
DHW tank performance
Electrical data
Sound power level at W10W35 (EN12102)
Optional extras
• Wireless Remote Controller
• Wireless Receiver
• Remote Sensor
• Thermistor
• High temperature thermistor
• ecodan Wi-Fi Interface
• 2-zone kit
• Expansion vessel (12L)
Control thermistor
Heating
Pressure relief valve
Flow sensor
Control thermistor
Temperature/Pressure relief valve
Manual reset
Control thermistor
Flow switch
Control thermistor (High)
Control thermistor (Low)
Pressure switch
Pressure sensor
Water (Primary/DHW circuits)
Water (Ambient loop)
Ambient *2
Water inlet temperature (Ambient loop)
Min. Water outlet temperature (Ambient loop)
Room temperature
Heating
Flow temperature
DHW
Legionella prevention
Max.
Primary circuit
Min.
Max.
Ambient loop
Min.
Maximum allowable hot water temperature
Declared load profile
Average climate
Water heating energy efficiency class
Time to reheat 70% of DHW tank to 65°C *4
Time to raise DHW tank temp. 15 to 65°C *4
Power supply
Heat pump
(Phase, voltage, frequency)
Breaker
Power supply
(Phase, voltage, frequency)
Capacity
Immersion heater *3
Current
Breaker
PAR-WT50R-E
PAR-WR51R-E
PAC-SE41TS-E
PAC-TH011-E
PAC-TH012HT-E
MAC-567IF-E1
PAC-TZ02-E
PAC-EVP12-E
1750 × 595 × 680 mm (Height × Width × Depth)
<Table 3.1>
*1 Volume of sanitary water circuit is not included in this value
*2 The environment must be frost-free.
*3 Do not fit immersion heaters without thermal cut-out. Use
only Mitsubishi Electric service parts as a direct replace-
ment.
*4 Tested under BS7206 conditions.
EHWT17D-MHEDW
170 L
166 kg
345 kg
R32
0.9 kg
5.47 L
3.16 L
1 to 80°C
0.3 MPa (3 bar)
Min. flow 5.0 L/min
40 to 70°C
90°C / 0.7 MPa (7 bar)
85°C
−8 to 30°C
Min. flow 5.5 L/min
−20 to 125°C
−40 to 90°C
4.14 ± 0.1 MPa
0 to 5.0 MPa
DC motor
AC motor
28 mm compression primary circuit/
22 mm compression DHW circuit
22 mm compression
0 to 35°C ( 80 %RH)
10 to 30°C
4°C
10 to 30°C
20 to 60°C
40 to 60°C
60 to 70°C
27.7 L/min
7.1 L/min
24.0 L/min
7.2 L/min
70°C
L
A+
19.3 min
22.8 min
~/N 230 V 50 Hz
16 A
~/N 230 V 50 Hz
3 kW
13 A
16 A
38 dB(A)
en
8
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