Integrated or Non Integrated, that is the question?

[Duncan62]

Hello

 

Guidance please on should I be getting an Integrated or Non integrated Heat pump?

Samsung Gen 7 is my choice, links to each above.

 

Integrated inc:

• Primary Pump - UPM4K25-75/130
• Samsung Flow Sensor
• Control Centre
• EHS Wifi Kit
• Expansion Vessel - 10L, 0.3 MPa working pressure
• Water pressure sensor
• Gas seperator air vent
• Strainer
• 2.9 bar pressure relief valve

 

Non integrated omits all this.

 

Does the included expansion vessel mean I don't need one inside next to the DHW cylinder?

 

Pros:

means it frees up space inside the plant room, no controller and other items.

wireless controller (presumably with the temp sensor) can be moved to optimal central hose location

no holes through my precious  air tightness layer for control cables

 

cons:

does the wifi have to be up, always, for it to work? not the end of the world but worth knowing.

 

 

[ProDave]

Are those parts really "integrated" as in built into the heat pump, or just supplied as a package and fitted in the normal places?

[JohnMo]

10 minutes ago, Duncan62 said:

Does the included expansion vessel mean I don't need one inside next to the DHW cylinder?

A heating system with DHW cylinder will have two expansion vessels, one for heating water (goes CH and for heating DHW) the other is for the contents of the cylinder.

 

The integrated one will cover the heating water only. But only to a given CH water volume. High volume systems may require additional expansion.

 

WiFi should just be access to a portal, shouldn't be required to make system work.

[Duncan62]

5 hours ago, ProDave said:

Are those parts really "integrated" as in built into the heat pump, or just supplied as a package and fitted in the normal places?

 

They are in the physical unit outside. Footprint is slightly larger.

But you free up space inside.

[Duncan62]

5 hours ago, JohnMo said:

A heating system with DHW cylinder will have two expansion vessels, one for heating water (goes CH and for heating DHW) the other is for the contents of the cylinder.

 

The integrated one will cover the heating water only. But only to a given CH water volume. High volume systems may require additional expansion.

 

WiFi should just be access to a portal, shouldn't be required to make system work.

 

Great stuff. 

 

How is the three port diverter activated?

 

With the non integrated, the control box is inside and a wire goes to the three port diverter to activate it as required.

[JohnMo]

4 hours ago, Duncan62 said:

How is the three port diverter activated?

The heat pump monitors cylinder temperature and schedule at a call for heat the heat pump powers the diverter. Would assume the wiring centre is within the ASHP casing. Why limit yourself to one make?

[Duncan62]

Yes the control center is inside the pump.

Guess I'd need to wire a connection from there to the diverter inside. So no saving on envelope penetrations.

 

It has to be aesthetically appealing. Almost none are.

[JohnMo]

Generally you need mains power, supply and return piping, a controller in the house (your sounds like it's wireless which maybe good), cylinder temp probe back to wiring centre, 3 way diverter valve power.

 

But you really need to download your models install manual to get the correct details.

[HughF]

If a heat pump doesn’t have a pwm pump, a flow sensor/switch and preferably an expansion inside it then cross it off your list. Samsung gen6 I’m looking at you.

 

Not worth messing about with ones that need all that crap externally.

[Nickfromwales]

1 hour ago, HughF said:

If a heat pump doesn’t have a pwm pump, a flow sensor/switch and preferably an expansion inside it then cross it off your list. Samsung gen6 I’m looking at you.

 

Not worth messing about with ones that need all that crap externally.

100%.

 

A true monoblock should be ready to rock and roll out of the box. 
 

Still very impressed with Panasonics J series stuff for the money. Crazy quiet and just a joy for its plug & play simplicity.