<HMS140V>
Connection of extra circulation pump
When connectingextra circulation pumps, requirements for
pressure, maximum flow etc mustbe met.Seepage67for
location.
Connecting the climate system
Pipe connections for the climate system are made at the top.
■ Allrequiredsafetydevicesandshut-offvalves(installedas
closetotheindoorunitaspossible)mustbetted.
■ Installthebleedvalveswhere necessary,highestpointof
the water system in usual case.
■ Thesafetyvalve(FL2)mustbeinstalledasillustrated.The
entire length of the overflow water pipe from the safety
valves must be inclined to prevent water pockets and must
also be frost proof.
■ Theendofoverflowpipefromthe safetyvalvesmustbe
left open to the atmosphere. The water may drip from the
pipe.
Indoor unit installation
■
HT30 doesn't have a port for FL2. Safety valve should be
installed on site.
■ HMS140Vneedsto connect a buffervesselon the hot
water tank even if hot water supply is not necessary.
See connecting the hot water heater for details.
<HMA100V, HMA100VM>
<HMS140V>
<MT300>
<MT500>
■ When connecting to a system with thermostats on all
radiators,anoverflowvalvemustbef itted,orsomeofthe
thermostatsmustberemovedtoensuresufcientow.
■ SeesectionDockingsonpage66foroutlinediagram.