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18-02-2019, 02:55 AM

Socaltech started a thread thermoking sb200 sensor problem in Transport

unit shut off to a code 11(alternate sensor) and threw a handful of codes regarding sensors. when turned on the unit will run fine down to...

0 replies | 67 view(s)

17-02-2019, 12:36 AM

slingblade started a thread polar cb922 ice machine evap in Commercial

Hi all Been a while since i posted. Looking for an evaporator for a polar cb922. does anyone have one buried away or know where to source one. Marc...

0 replies | 68 view(s)

16-02-2019, 04:16 PM

Peter_1 replied to a thread Woodley Micromon with red segment display in Controls

Thanks Brian,will give it a try

3 replies | 113 view(s)

15-02-2019, 05:00 PM

Grizzly replied to a thread Woodley Micromon with red segment display in Controls

Impressive response Brian. Looks as if Peter may have some luck there. Grizzly

3 replies | 113 view(s)

15-02-2019, 02:41 PM

Brian_UK replied to a thread Woodley Micromon with red segment display in Controls

Came across this firm, maybe they can help you.... http://www.aawcs.co.uk/industrial_control_services/woodley_electronics/woodley.html

3 replies | 113 view(s)

15-02-2019, 08:48 AM

RANGER1 replied to a thread Hot tropical enviroment Condenser Temps in Technical Discussions

Condenser rejects heat into atmosphere, so condensing pressure on air cooled has to be higher than ambient. Expect 140F at least in those hot days....

2 replies | 127 view(s)

15-02-2019, 08:15 AM

Peter_1 started a thread Woodley Micromon with red segment display in Controls

I have replace the battery in this old (+/- 25 yerars) device and since then, it won't print weekly the graphs anymore Does someone have an old...

3 replies | 113 view(s)

15-02-2019, 03:43 AM

RANGER1 replied to a thread Retrofitting York YCAS screw chillers from R22 to R407c in Trouble Shooting

“0” rings could definitely be a potential issue internal & external leakage.

2 replies | 153 view(s)

15-02-2019, 01:11 AM

Brian_UK replied to a thread Hot tropical enviroment Condenser Temps in Technical Discussions

It will be hard to get 115°F with 120°F ambient on an air cooled condenser.

2 replies | 127 view(s)

14-02-2019, 10:04 PM

born2dive9702 started a thread Hot tropical enviroment Condenser Temps in Technical Discussions

In a hot (120'F) desert environment do you want the condenser temps to be hot or cool? Under a normal system for condensers they say it has been...

2 replies | 127 view(s)

14-02-2019, 09:57 PM

born2dive9702 started a thread ASHRE table help needed forgotten. in Technical Discussions

I can not remember (it has been 25 years since I apprenticed in my teens, and I have since changed careers, so forgive me) With the Ashre tables...

0 replies | 99 view(s)

14-02-2019, 08:32 PM

mbc replied to a thread Retrofitting York YCAS screw chillers from R22 to R407c in Trouble Shooting

Hi main thing to change R22 to 407C is cleaning system ( very good) and putting POE type Oli in compressor . then after running set superheat

2 replies | 153 view(s)

14-02-2019, 12:01 PM

Miked1 started a thread Retrofitting York YCAS screw chillers from R22 to R407c in Trouble Shooting

It's been a while since I posted anything here. I am about to embark on changing some R22 YCAS chillers to R407c and was wondering if anyone out...

2 replies | 153 view(s)

14-02-2019, 01:30 AM

Kathleen replied to a thread Commercial Display Case BTUH / ft and Evap Temp requirements. in Technical Discussions

I never did calculation of refrigeration cabinet, but what I use for fast calculation, for esthetic wine cellar which a mainly made of glass wall and...

2 replies | 160 view(s)

13-02-2019, 09:53 PM

al replied to a thread Commercial Display Case BTUH / ft and Evap Temp requirements. in Technical Discussions

You're going to be reliant on manufacturer info to be sure you've the duty covered, does the cool pack software cover it i wonder?

2 replies | 160 view(s)

13-02-2019, 09:50 PM

al replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

If you are pressure testing then i would recommend seperate gauges purely for pressure testing, calibrated in a lab annually, this way you can sign...

8 replies | 222 view(s)

13-02-2019, 09:02 PM

Kathleen replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

"What are the calibration requirements in your state/country?" There is no specify standards in our province for calibration equipment for...

8 replies | 222 view(s)

13-02-2019, 08:32 PM

RANGER1 replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

I would trust dead weight measurement. We use a calibrated, certified MASTER gauge to test through the range of our test guages on a manifold, then...

8 replies | 222 view(s)

13-02-2019, 05:22 PM

Brian_UK replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

To be practical the refrigerant bottle calibration should be good enough when you consider that the newly calibrated manifold gauge set is going to...

8 replies | 222 view(s)

13-02-2019, 03:21 PM

Kathleen replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

I wonder (as a contractor) if good refrigeration servicing and contracting firm are generally using the death weight, or they trust the cylinder...

8 replies | 222 view(s)

13-02-2019, 02:30 PM

Brian_UK replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

Yes, it is generally a requirement of 'testing' that the test instrument has a current and valid calibration certificate. If this is not...

8 replies | 222 view(s)

13-02-2019, 01:18 AM

Kathleen replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

:) even if you are not sure, how often the dead weight was calibrated…the one used is quite old. Would you still trust the dead weight;)

8 replies | 222 view(s)

13-02-2019, 01:09 AM

Brian_UK replied to a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

The dead weight is the best. The cylinder test introduces another variable which needs calibration namely the means of measuring the refrigerant...

8 replies | 222 view(s)

13-02-2019, 01:06 AM

Kathleen replied to a thread Two condenser use in NH3

Hi Mammohan Some tips, If you design In serie, just take for account that the pressures losses through each condenser as to be added. Which...

5 replies | 452 view(s)

12-02-2019, 09:55 PM

Kathleen started a thread compound refrigerant gauge calibration best suggested method in Tools and Calculators

I would like comments on the subjet: We have an intern discussion at the office on the reliability of our compound gauges calibration between two...

8 replies | 222 view(s)

12-02-2019, 09:23 PM

scoffs replied to a thread Carel PCO - programming in Controls

Phone swegon they will have to get the correct pco from italy could be a wait mind

2 replies | 138 view(s)

12-02-2019, 05:57 PM

kengineering started a thread Commercial Display Case BTUH / ft and Evap Temp requirements. in Technical Discussions

All, Looking at major supermarket display case manufacturer's data sheets, often times a model is listed with multiple BTUH / ft and evaporator...

2 replies | 160 view(s)

11-02-2019, 11:20 AM

narkom replied to a thread Carel PCO - programming in Controls

Blue box chillers use a proprietary software solution. So if the used pCO2 is not of the similar chiller you will not be able to fit it.

2 replies | 138 view(s)

10-02-2019, 09:41 AM

yanev22 started a thread Carel PCO - programming in Controls

Hello ! Is there someone who can programm Carel PCO 2 ? I have a Blue Box chiller which were vandalism and stealing the PCO and EEV Drivers ....

2 replies | 138 view(s)

09-02-2019, 07:57 PM

yanev22 started a thread LG VRF - outdoor unit in Air Conditioning

Hello all , I need someone who is working with LG VRF systems to find out how can i run outdoor units with model : ARUH1208T1 and ...

0 replies | 192 view(s)