<HMS140V>
HT30
MT300
MT500
Recommended installation order
1 For wall mount type hang indoor unit on appropriate position
and connect indoor unit and tank unit.
2. Connect indoor unit totheclimatesystem,cold and hot
water lines as well as any external heat sources. See page 63.
Also see docking descriptions on page 66 and further on.
3. Install the refrigerant pipes according to the description on
the Installation manual for outdoor unit.
Indoor unit installation
4. Connect the currentlimiter,anycentralisedload control
and external contacts as well as the cable between indoor
unit and outdoor unit. Cable between indoor unit and tank
should be connected for the system tank is speparated. See
page 70.
5. Connect incoming electricity to indoor unit. See page 70.
6. Follow the commissioning instructions on page 76.
Pipe installation
General
Pipe installation must be carried out in accordance with current
norms and directives. Indoor unit can operate with a return
temperature of up to 65 °C and an outgoing temperature from
the unit of 65 °C.
Indoor unit is not equipped with shut off valves; these must be
installed outside the heat pump to facilitate any future
servicing.
Indoor unit can be connectedto the radiatorsystem, floor
heating system and/or fan convectors.
Install the supplied safety valve and manometer.
Overflow valve
NOTE
A f ree f low is required f or all docking options, which
means that an over flow valve must be installed.
The
circulation pump may become damaged.
System requirements
The minimum water volume in the climate system is subject to
the values in the table below.
IncasethesystemhasshuttlevalveQN12 (seepage67),the
piping before the valve must have the minimum required
volume.WatervolumeonHT30,MT300orMT500cannotbe
counted on this calculation.
Ifitisnotfulf illed,volumevesselmustbeinstalled.
Formoreoptions,seethedockingdescriptiononpage66.
With underf loor
cooling application
Without underf loor
cooling application
HMA100V,HMA100VM
FDCW71VNX
70 35
HMA100V,HMA100VM
FDCW100VNX
100 50
HMS140V
FDCW140VNX
150 75
(liter)