1
About the instructions
1.1
Introduction
The installation instructions start by describing heat pump data. The installation instructions later give instructions
in a logical order covering unpacking, installation procedure, and checking the installation.
References to chapters and sections within the instructions are in italics, e.g.:
About the instructions.
References to menu options in the heat pump’s control system are in upper case, e.g.: INFORMATION ->OPERAT. ->
AUTO.
All figures in the instructions are numbered to help installers and service technicians refer to them easily.
1.2
Symbols
The instructions contain different warning symbols, which, together with text, indicate to the user that there are risks
involved with actions to be taken.
The symbols are displayed to the left of the text and three different symbols are used to indicate the degree of danger:
DANGER! Hazardous electrical voltage!Indicates an immediate danger that leads to fatal or serious injury if
necessary measures are not taken.
Warning! Risk of personal injury!Indicates a possible danger that can lead to fatal or serious injury if necessary
measures are not taken.
Caution! Risk of installation damage. Indicates a possible hazard that can lead to item damage if necessary
measures are not taken.
A fourth symbol is used to give practical information or tips on how to perform a procedure.
Note! Information regarding making the handling of the installation easier or a possible operational technical
disadvantage.
1.3
Terminology
The instructions contain terms throughout that designate components and functions. The table lists the most com-
mon terms that are used in the instructions.
Table 1.
Terminology
Term
Meaning
Heating system
The circuit that generates heat to the property or to the water heater.
Supply line
The heating system’s supply line with flow direction from the heat pump to radiators/
under floor heating or water heater.
Return line
The heating system’s return line with flow direction from radiators/under floor heating or
water heater to the heat pump.
Circulation pump
Circulation pump for heating system.
Refrigerant circuit
The energy carrying circuit between the outdoor air and heating system.
Refrigerant
The gas/liquid that circulates in the refrigerant circuit.
Installation instructions
VMIFJ102
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