Unit Compatibility; Water Circuit Diagram - Mitsubishi Electric ecodan ERSE series Installationshandbuch

3
Technical Information

Unit Compatibility

Hydrobox
EHSE-YM9EC
Outdoor unit
PUHZ-SW160, 200
PUHZ-SHW230

Water circuit diagram

*1 Refer to the following section [Local system].
<EHSE> (Heating system)
<ERSE> (Heating and cooling system)
5
4 6
16
3
18
Flare connections
No. Part name
1 Control and electrical box
2 Main remote controller
3 Plate heat exchanger (Refrigerant - Water)
4 Water circulation pump
5 Pump valve
6 Drain cock (Primary circuit)
7 Booster heater 1, 2
8 Flow sensor
9 Manometer
10 Pressure relief valve (3 bar)
11 Automatic air vent
12 Strainer valve
13 Drain pan
14 THW1
15 THW2
16 TH2
THW5
17
(Optional part PAC-TH011TK-E or PAC-TH011TKL-E)
18 Outdoor unit
19 Drain pipe (Local supply)
20 3-way valve (Local supply)
21 DHW indirect unvented tank (Local supply)
22 Cold water inlet pipe (Local supply)
23 DHW outlet pipe (Local supply)
24 Back flow prevention device (Local supply)
25 Isolating valve (Local supply)
26 Magnetic filter (Local supply) (Recommended)
27 Strainer (Local supply)
EHSE-MEC ERSE-YM9EC
<Table 3.4>
Hydrobox
11
7
8
15
12 10 Pa
14
9
19
26
Drain
25
20
25
24
<Figure 3.3>
EHSE-YM9EC
-
-
-
-
-
-
-
-
-
-
-
-
<Table 3.5>
ERSE-MEC
Refrigerant pipe
Water pipe
Cold
DHW
water
Note
• Be sure to follow your local regulations to per-
23
24
22
• DHW connections are not included in the hy-
21
17
• To enable draining of the hydrobox an isolating
• Be sure to install a strainer on the inlet pipe
Local
• Suitable drain pipework should be attached to
system
*1
• A backflow prevention device must be installed
• When using components made from different
Water Drain
supply
EHSE-MEC ERSE-YM9EC
-
-
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
form system configuration of the DHW connec-
tions.
drobox package. All required parts are to be
sourced locally.
valve should be positioned on both the inlet and
outlet pipework.
work to the hydrobox.
all relief valves in accordance with your coun-
try's regulations.
on water supply pipework (IEC 61770).
metals or connecting pipes made of different
metals insulate the joints to prevent a corrosive
reaction taking place which will damage the
pipework.
ERSE-MEC
-
-
-
-
-
-
-
-
-
-
-
-
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