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25-06-2017, 04:57 AM

Saturatedpsi replied to a thread Why are there always 2 refrigerants for air conditioning? Would 1 not work? in Refrigerants

I really don't know a lot about MVAC, but can make a few guesses. The higher boiling point refrigerants, like 12 and 134, keep the condensing...

3 replies | 59 view(s)

25-06-2017, 03:31 AM

Segei replied to a thread Power factor correctors in Technical Discussions

If company use energy inefficiently, utility charges penalties. Power factor corrector can improve use of el. energy and penalties will be reduced....

3 replies | 82 view(s)

25-06-2017, 02:28 AM

coolguy4 replied to a thread Why are there always 2 refrigerants for air conditioning? Would 1 not work? in Refrigerants

Thank you for the input. I know that CFC's and HCFC's were banned, but what I was really asking is why gas for a car AC would be used in a car, but...

3 replies | 59 view(s)

25-06-2017, 01:59 AM

cadwaladr replied to a thread Why are there always 2 refrigerants for air conditioning? Would 1 not work? in Refrigerants

Ok I will add input,r22,r12 are now banned substances well over here and soon to be worldwide,so the alternatives for these are for r22 it depends...

3 replies | 59 view(s)

25-06-2017, 12:58 AM

MrTube replied to a thread TXV / TEV sizing? in Air Conditioning

Here's the box the replacement from Goodman came in. They sent this based on my serial number. Mine is a 3 ton system. Hmmm.

2 replies | 79 view(s)

25-06-2017, 12:45 AM

cadwaladr replied to a thread Power factor correctors in Technical Discussions

This customer only asked how to some other questions and then told me of an issue that the electricity suppliers are moving the goalposts which could...

3 replies | 82 view(s)

25-06-2017, 12:32 AM

coolguy4 started a thread Why are there always 2 refrigerants for air conditioning? Would 1 not work? in Refrigerants

This question has been on my mind for years. WHY are certain gases (R12, R134A and recently R1234YF) always used for car AC and another(R22 and...

3 replies | 59 view(s)

25-06-2017, 12:05 AM

NH3LVR replied to a thread Power factor correctors in Technical Discussions

Not an area where I am an expert, however I will give it a shot. If I am not entirely correct I am sure someone will tell me. Where you have an...

3 replies | 82 view(s)

25-06-2017, 12:03 AM

FaultCode replied to a thread Frigoblock has anyone got wiring diagrams for a hk 25 in Transport

Can't find one and the only cause for the overload lamp that I can see in the instruction book is when using the diesel alternator. Also check the...

1 replies | 51 view(s)

24-06-2017, 11:43 PM

FaultCode replied to a thread Wiring a sauter actuator in Controls

Is it a 2 port or 3 port valve and do you have any other controls in line with it, i.e. open or close commands. Checking the drawings again I...

3 replies | 86 view(s)

24-06-2017, 11:34 PM

FaultCode replied to a thread TXV / TEV sizing? in Air Conditioning

Looks like 6 TR to me. The ident is non-standard, it is probably a manufacturers ,Goodman, special code.

2 replies | 79 view(s)

24-06-2017, 10:49 PM

MrTube started a thread TXV / TEV sizing? in Air Conditioning

Hey guys, This is partially related to my other thread, but since it's a totally different subject I felt it appropriate to start a new discussion...

2 replies | 79 view(s)

24-06-2017, 09:00 PM

Gibbo replied to a thread Grenfell Tower Fire tragedy in Refrigeration - The Stories

Last year there was one with an Indesit fridge be interested as to what refrigerant they were using in both cases. Gibbo

6 replies | 267 view(s)

24-06-2017, 08:44 PM

cadwaladr started a thread Power factor correctors in Technical Discussions

One of my customers has a lot of equipment driven by electric motors and upcoming changes to his billing for power usage is changing meaning he will...

3 replies | 82 view(s)

24-06-2017, 08:27 PM

Northy303 replied to a thread Wiring a sauter actuator in Controls

Sorry mate It's the adm322sf152 I have 3 wires coming from a rycroft controller board for a hot water heat exchanger they are labelled 25,26 and...

3 replies | 86 view(s)

24-06-2017, 08:20 PM

cadwaladr started a thread Frigoblock has anyone got wiring diagrams for a hk 25 in Transport

I have one of these being used as a temporary cold store on 3 phase, suddenly stopped working and overload lamp is lit,I can only find one overload...

1 replies | 51 view(s)

24-06-2017, 05:36 PM

mulinoo replied to a thread Fridge/freezer just stopped cooling but hums nicely :( in Domestic

But, if there was a leak, does it leave any signs? Odor?

2 replies | 99 view(s)

24-06-2017, 05:18 PM

monkey spanners replied to a thread Fridge/freezer just stopped cooling but hums nicely :( in Domestic

Sounds more like it has a refrigerant leak, most likely not worth spending any money on.

2 replies | 99 view(s)

24-06-2017, 02:30 PM

FaultCode replied to a thread Wiring a sauter actuator in Controls

Which actuator do you have? Little clues make thing easier :)

3 replies | 86 view(s)

24-06-2017, 02:16 PM

scoobydo replied to a thread Split system only dropping 2c then outdoor unit turns off in Air Conditioning

I have got to the PCB and measured the resistance of thermistors RT1 and RT2 between a non working unit and working unit. RT1= RAT RT2= ICT ...

4 replies | 232 view(s)

24-06-2017, 01:36 PM

Grizzly replied to a thread Carrier Aquasnap 30 RB Chiller in Controls

Thanks for the input Gibbo. Your input is really appreciated. I was only thinking this morning, I must phone the customer on Monday for an update....

2 replies | 97 view(s)

24-06-2017, 01:35 PM

Josip replied to a thread Newbie on Board in New to RE

Hi, anderson0220! welcome to RE .... "officially" Best regards, Josip

3 replies | 944 view(s)

24-06-2017, 01:08 PM

Gibbo replied to a thread Carrier Aquasnap 30 RB Chiller in Controls

Don't know why I missed this can only say I'm recovering from standby and the heat last week . If chiller shuts down on flow failure when in BMS...

2 replies | 97 view(s)

24-06-2017, 12:29 PM

manmohan replied to a thread Long suction line infect in NH3

My suction pressure is 30psi and discharge is 235 psi and pipe diameter is same 100mm I have a chilling tank and my suction line is longer that's...

6 replies | 300 view(s)

24-06-2017, 12:11 PM

manmohan replied to a thread Long suction line infect in NH3

Segei sir thanks for comments . But I want to know only when suction line is longer . Plant efficiency is down ?

6 replies | 300 view(s)

24-06-2017, 11:22 AM

AdeV replied to a thread Regassing question [amateur] in Commercial

Hmm, I thought I had, oops. I'm in Birkenhead, postcode CH41 1DT. Still looking for anyone who can assist... Cheers! Ade.

23 replies | 693 view(s)

24-06-2017, 11:13 AM

mulinoo started a thread Fridge/freezer just stopped cooling but hums nicely :( in Domestic

Unfortunately I am in a financial hardship and would kind of like to know, before somebody shows up and charges me to tell me my fridge can't be...

2 replies | 99 view(s)

24-06-2017, 10:08 AM

BobKiss replied to a thread looking for: Review of Vacuum for Service Engineers, by Saunders and Williams in Refrigeration Books

Thanks, Hookster, I'm gonna read some reviews about it and have a look on Amazon or eBay.

9 replies | 842 view(s)

24-06-2017, 10:07 AM

BobKiss replied to a thread looking for: Review of Vacuum for Service Engineers, by Saunders and Williams in Refrigeration Books

Thanks, Tycho. I will do likewise in case I manage to get it first.

9 replies | 842 view(s)

24-06-2017, 09:16 AM

Northy303 started a thread Wiring a sauter actuator in Controls

I need help wiring an actuator from a controller board that has 3 wires On the photo wiring diagram it is 25,26 and 27 Thanks in advance

3 replies | 86 view(s)