Thread: One for the fridgies

I think everyone of the majors makes multi head systems Gav, but my inclination is towards two separate small units going from what I've been told by the blokes that install a lot of splitties.

Paul, what's your experience?

First day back at work, walked in 15 minutes ago and heading off already to a high temping coolroom....

Originally Posted by Homestar

Anyone able (or wants to) give me an opinion on a dual head split system? I have 2 small rooms next to each other that I’m thinking of cooling. My 7.5KW split in the lounge does the living areas and the bedroom near it with ease, but the other end of the house can get warm.

Thinking a 3KW outdoor unit with 2 heads - one in each room. I know these aren’t ideal but I have a limited amount of space outside where these would need to go and it would be rare I would need to run both units together.

Am I on the right track or is there a better way? Also, who does these units - needs to be a decent quality inverter, not a cheap arse one.

TIA.

I have a 3 head unit put primary for heating, the out door unit is the biggest I could get on single phase, there is 3 different size head units for different room sizes. Not completely happy with performance cooling or heating. I would say that you would need to double your kw to be efficent
cheers
blaze

For me I would firstly use 3.5 Kw, 12,000 BTU and two separate units. If you are pushed for space the condensing units can be mounted one above the other.

Mitsubishi Electric "Mr. Slim" make good quality inverter units. The indoor units can be mounted either on the wall, or on their side on the ceiling.

It'''s time to rethink indoor airflow to reduce the spread of COVID-19, say experts - ABC News

"Key points:

• In recent weeks the World Health Organization and the United States Centers for Disease Control have acknowledged airborne aerosols as important in COVID-19 transmission
• Germany is investing 500 million euros to improve ventilation in public buildings
• A member of the WHO's expert panel on COVID-19 says assessing ventilation is costly, which is why it hasn't gained broader traction"

This might drum up extra business for fridgies increasing a/c capacity to cool all that additional fresh air, not easy I know.

Originally Posted by Homestar

Anyone able (or wants to) give me an opinion on a dual head split system? I have 2 small rooms next to each other that I’m thinking of cooling. My 7.5KW split in the lounge does the living areas and the bedroom near it with ease, but the other end of the house can get warm.

Thinking a 3KW outdoor unit with 2 heads - one in each room. I know these aren’t ideal but I have a limited amount of space outside where these would need to go and it would be rare I would need to run both units together.

Am I on the right track or is there a better way? Also, who does these units - needs to be a decent quality inverter, not a cheap arse one.

TIA.

Wouldn't go near a multihead system for a number of reasons.
They are extremely difficult to work on very complicated.
Fault with outdoor,PCB's,refrigerant leaks,whatever,and both indoors won't go.
In 10yrs time when no parts are available for the one outdoor, both systems will need to be replaced.
They are generally no cheaper than two systems.
Not very common,we wouldn't have installed a multi split system in at least the last 10yrs,although we generally do more refrigeration,dont target the split system market, leave that to the Sparkies,that is until the new rules come in.

Rick,will these do for the D2?

Originally Posted by scarry

Rick,will these do for the D2?

They probably would Paul.
I've never had to check a D2 so far.
Pretty sure they'd be fine
The set I have have a ball valve built in which is handy.