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Inhaltsverzeichnis - Mitsubishi Electric EHST20C-VM6HB Installationshandbuch

Cylinder unit
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Inhaltsverzeichnis

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  • DEUTSCH, seite 52
Contents
1. Safety notices .................................................................................. 2
2. introduction ...................................................................................... 2
3. technical information ..................................................................... 3
Product specification ............................................................... 3
Component Parts ...................................................................... 4
technical drawings .................................................................. 6
Unit Compatibility ..................................................................... 7
Water circuit diagram ............................................................... 7
local system ........................................................................... 10
4. installation...................................................................................... 11
4.1 location ..................................................................................... 11
transportation and Handling ................................................. 11
Suitable location .................................................................... 11
Service access diagrams ....................................................... 11
room thermostat ................................................................... 11
repositioning .......................................................................... 11
4.2 Water Quality and System Preparation .......................................... 12
General .................................................................................... 12
Anti-Freeze .............................................................................. 12
new installation (primary water circuit)................................ 12
4.3 Water Pipe Work ....................................................................... 13
Hot Water Pipework ................................................................ 13
Cold Water Pipework .............................................................. 13
Hydraulic filter work (Only eHPt series) ............................ 13
Pipework Connections ........................................................... 13
insulation of Pipework ........................................................... 13
Filling the System (Primary Circuit) ...................................... 13
Sizing expansion Vessels ...................................................... 13
Water Circulation Pump Characteristics .............................. 14
immersion heater .................................................................... 14
Safety device Connections ................................................... 15
4.4 refrigerant Pipework ............................................................... 15
Accessories (Included)
Adjustable feet
4
Abbreviations and glossary
No. Abbreviations/Word
1
Compensation curve mode
Space heating incorporating outdoor ambient temperature compensation
2
COP
Coefficient of Performance the efficiency of the heat pump
3
Cylinder unit
Indoor unvented DHW tank and component plumbing parts
4
DHW mode
Domestic hot water heating mode for showers, sinks, etc
5
Flow rate
Speed at which water circulates around the primary circuit
6
Flow temperature
Temperature at which water is delivered to the primary circuit
7
Freeze stat. function
Heating control routine to prevent water pipes freezing
8
FTC4
Flow temperature controller, the circuit board in charge of controlling the system
9
Heating mode
Space heating through radiators or Underfloor heating (Refer to Item no. 18 in this list.)
10 Legionella
Bacteria potentially found in plumbing, showers and water tanks that may cause Legionnaires disease
11 LP mode
Legionella prevention mode - a function on systems with water tanks to prevent the growth of legionella bacterium
12 Packaged model
Plate heat exchanger in the outdoor heat pump unit
13 PRV
Pressure relief valve
14 Refrigerant
A compound used within the heat pump cycle that goes through a phase change from gas to liquid
15 Return temperature
Temperature at which water is delivered from the primary circuit
16 Split model
Plate heat exchanger in the indoor unit
17 TRV
Thermostatic radiator valve - a valve on the entrance or exit of the radiator panel to control the heat output
18 Underfloor heating
A system of water carrying pipes under the floor, that warms the floor surface to heat the room/space.
1
Immersion heater boss tool
EH*T20*-*M*HB model only
Description
4.5 Safety device discharge Arrangements (G3) ........................ 16
4.6 electrical Connection ............................................................... 17
5. System Set Up ............................................................................... 21
5.1 dip Switch Functions ............................................................... 21
5.2 Connecting inputs/outputs ...................................................... 22
Signal inputs ........................................................................... 22
thermistor inputs ................................................................... 22
Outputs .................................................................................... 23
5.3 Wiring for 2-zone temperature control ................................... 23
5.4 remote Controller Options ...................................................... 24
1-zone temperature control ................................................... 24
2-zone temperature control ................................................... 25
remote installation of Main Controller ................................. 26
5.5 Using Sd memory card ............................................................ 27
5.6 Main Controller .......................................................................... 28
Setting the Main Controller .................................................... 31
Main Settings Menu ................................................................ 31
initial Settings ....................................................................... 31
Heating..................................................................................... 34
Holiday mode .......................................................................... 35
Schedule timer ........................................................................ 35
Service Menu .......................................................................... 37
6. Commissioning .............................................................................. 44
Pre-commissioning Checklist ............................................... 44
7. Service and Maintenance.............................................................. 45
Basic troubleshooting for Cylinder Unit .............................. 45
error Codes ............................................................................. 46
Annual Maintenance ............................................................... 47
Annual Maintenance log Book ............................................. 47
engineers Forms .................................................................... 48
8. Supplementary information .......................................................... 49
Back-up operation of boiler ................................................... 49
Pressure relief valve (10 bar)
Except EHPT20X-VM2HB
1
SD memory card
1
1

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