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  1. Pressure drop at condenser (3 replies)
  2. Question about refrigerant charge (3 replies)
  3. Check valve for discharge pipe (8 replies)
  4. Subcool Condenser Line Sizing (0 replies)
  5. A pipe contraction (7 replies)
  6. Turning Refrigerator Off in Hot Climate (3 replies)
  7. 100% fresh heating and cooling calculation? (0 replies)
  8. leak testing question (10 replies)
  9. How to measure the recovery rate of a recovery machine ? (3 replies)
  10. Flooded evaporators (5 replies)
  11. Sequence of fan (3 replies)
  12. Basics of refrigeration (6 replies)
  13. System without receiver tank (3 replies)
  14. Need very basic help wiring my Compressor. (6 replies)
  15. Information about power hot defrost on the plates (2 replies)
  16. Question about vacuuming (2 replies)
  17. TEV boot (10 replies)
  18. Reciprocating Compressor - Process Tube for Oil Return (from oil separator)? (7 replies)
  19. Torque Settings - Trane CRHE600 (1 replies)
  20. Calculating Refrigerant Charge (7 replies)
  21. Vacuum pump and moisture (3 replies)
  22. Advantage of closed circuit cooling tower (2 replies)
  23. Refrigeration design assistance using micro compressor for medical application (4 replies)
  24. Cold Storage project (7 replies)
  25. Traffic doors for blast freezer (0 replies)
  26. PHE & Cooling Tower Requirement for Genset (1 replies)
  27. Best way to identify a refrigerant in a working system? (2 replies)
  28. See my photo (3 replies)
  29. High discharge pressure but discharge pipe is not hot ! (10 replies)
  30. Question about pump down (6 replies)
  31. Would you please help me to understand better ? (17 replies)
  32. r-410A in an R-22 small dehumidifier compressor (11 replies)
  33. Measuring capacity of air diffuser (7 replies)
  34. Choosing the right Nitrogen regulator (5 replies)
  35. Would you please watch thiis video about testing TXV ? (5 replies)
  36. Condenser principle question (2 replies)
  37. Carrier 30 GK 085 wiring diagram (3 replies)
  38. Low pressure switch (another newbie question!) (4 replies)
  39. Refrigerant for centrifugal compressor (7 replies)
  40. Danfoss turbocore compressors (0 replies)
  41. Parallel screw compressors (4 replies)
  42. Question about sub-cooling (18 replies)
  43. Blast freezer problem (14 replies)
  44. Vent line (4 replies)
  45. Thickness of fins (2 replies)
  46. Question about centrifugal compressors (2 replies)
  47. Oil change (4 replies)
  48. Expansion valve (3 replies)
  49. Solenoid valve (2 replies)
  50. Volume of receiver tank (0 replies)
  51. Compression ratio (3 replies)
  52. Newbie question on gas recovery (14 replies)
  53. MRI cooling system (3 replies)
  54. ***** type DX evaporator instead Ammonia type (1 replies)
  55. 3 evaporators with 1 compressor piping diagram (1 replies)
  56. Air cool condenser in humid climate (10 replies)
  57. Multiple Expansion Valves (3 replies)
  58. Oil rectifier (3 replies)
  59. Accumulator , Insulated or not ? (5 replies)
  60. Liquid floodback (2 replies)
  61. Flooded evaporator (8 replies)
  62. Help please for recovery from scrap chillers (3 replies)
  63. 1950's prestcold fridge (9 replies)
  64. Doule Jacketed tanks (2 replies)
  65. Basic questions from newbie (3 replies)
  66. Ice formation at low side of compressor (11 replies)
  67. Homemade HC blend (r134a replacement) troubleshooting (2 replies)
  68. Effect of altering cooling water flow rate (4 replies)
  69. Excel Based Psychrometric Chart (3 replies)
  70. Hand Expansion v/v Placement (1 replies)
  71. Cold Storage Consultants in China (2 replies)
  72. Energy Savings (7 replies)
  73. Thermostat deadband (4 replies)
  74. How often would you change the compressor oil for a air cooled chiller? (4 replies)
  75. Sight Glass above and parallel to liquid line? (11 replies)
  76. No Pressure drop in condenser (17 replies)
  77. Electronic flow switch carrier 30XA Chiller (2 replies)
  78. Chiller Evaporating Temperature (8 replies)
  79. Refrigeration unit from China - Cold plate for ice cream rolls: keeps leaking (10 replies)
  80. effect of high subcooling adiabatic process (flash gas effects.) (14 replies)
  81. Refrigeration Principles (7 replies)
  82. line size (8 replies)
  83. Keeping Spam and Spammers off the forum. (2 replies)
  84. Refrigerant Recovery R404a (16 replies)
  85. co-current flow in a DX-evaporator (3 replies)
  86. Energy balance in evaporator. Thermal load and heat transfer rate (10 replies)
  87. Refrigeration Unit R714 Experiment (6 replies)
  88. Designing Accumaltor (20 replies)
  89. m=V/v (9 replies)
  90. Liquid Sensor on Accumalator (12 replies)
  91. York 2-pass Chiller Surging (17 replies)
  92. Carters Widget? (5 replies)
  93. prohibit direct eductor to drain, Ammonia pumping out (3 replies)
  94. Liquid receiver volume .vs coils/heat exchangers volume (6 replies)
  95. Refrigeration nameplate tonnage capacity vs actual KW drawn (9 replies)
  96. Heat load calculation (1 replies)
  97. Liquid line drier sizing (3 replies)
  98. Non-constant refrigerant feeding in the liquid line (8 replies)
  99. Concentrated Juice Cooling (1 replies)
  100. Solenoid Valve on suction side of Evoperator (0 replies)
  101. Superheat and subcooling. (7 replies)
  102. Design thoughts for a temperature/humidity controlled test chamber. (0 replies)
  103. looking for help with the design of a fun project (camper AC) (1 replies)
  104. subcooling value and condensing split temperatures (2 replies)
  105. Blast Chill (1 replies)
  106. Defrost drain line (& heater) (6 replies)
  107. Vertical Freezer. (0 replies)
  108. Correct Levels on Gauge (13 replies)
  109. charging small commercial systems (8 replies)
  110. Volume of chiller liquid receiver (7 replies)
  111. absorption cycle with low generator temperature ? (2 replies)
  112. Is it possible to build a custom blast chiller without beeing a professional? (2 replies)
  113. Cooling Tower CFM Per Ton (3 replies)
  114. Compressor cooling capacity (1 replies)
  115. Design temperatures in a cascade NH3/CO2 system (2 replies)
  116. Hey guys, how does a blast chiller work compared to a fridge? (6 replies)
  117. Will this work? (8 replies)
  118. Leak detection on a tiny system (15 replies)
  119. Calculation on chillers (6 replies)
  120. Some technical questions (15 replies)
  121. Booster compressor Relief valve (7 replies)
  122. Discharge pressure lower limit (2 replies)
  123. Danfoss BD35 with a TXV/TEV ? (6 replies)
  124. Copeland EVI (Enhanced vapour injection) (4 replies)
  125. Flower cooler (8 replies)
  126. Low back pressure compressor (LBP) in high back pressure system (HBP) (2 replies)
  127. Condensation on glass door showcase (5 replies)
  128. Placement of blowers (1 replies)
  129. Grasso 2 stage package (4 replies)
  130. Defrost calculation (2 replies)
  131. Ammonia (4 replies)
  132. Power factor for 220 single phase Copeland compressor sealed (4 replies)
  133. How to test a stored "pumped down" condensing unit. (3 replies)
  134. 3GS vs r134 in a noisy car ac compressor (5 replies)
  135. Frost Heave Prevention and Floor Insulation in Cold Rooms (5 replies)
  136. Minimum normal suction pressure for R134a chiller (12 replies)
  137. compressor built for 50 hertz when operated at 60 hertz. (2 replies)
  138. Request Help (2 replies)
  139. Taking care of condensation in DIY Wine Cooler (4 replies)
  140. Brazing technique (9 replies)
  141. Winter - Low Head Pressure (6 replies)
  142. VSD's and their Drive Belts. (14 replies)
  143. Refrigeration (4 replies)
  144. system without refrigerant (6 replies)
  145. Reducing diameter of rising suction pipe for oil return (9 replies)
  146. Cleaning of Ammonia system after installation (12 replies)
  147. Pressure ratio vs compressor input (11 replies)
  148. Need a few thoughts on the desired suction pressure/temp on salt water brine system.. (0 replies)
  149. Single stage -40 °C (8 replies)
  150. 3/16" and 1/4" tubing pressure drop tables (4 replies)
  151. Charging gas with recovery station ? (18 replies)
  152. Calculationwith Evaporation Temp and A consumption (8 replies)
  153. R410a condensing temperature (2 replies)
  154. Are Aspen Compressors any good (0 replies)
  155. Looking for Smallest 12V DC compressor. For a mobile refridgerator (0 replies)
  156. removing oil from a system (11 replies)
  157. Refrigeration system calculations (1 replies)
  158. Superheat (2 replies)
  159. How to determine the correct air over an evaporator coil (5 replies)
  160. Refrigerant pumps (9 replies)
  161. Ambguity in Refrigeration tonnage of Chiller (1 replies)
  162. Buffer tank (2 replies)
  163. How can my system do what I need?? (18 replies)
  164. Parallel use of Centrifugal fans in HVAC (4 replies)
  165. Pressure Balancing in TXV (7 replies)
  166. Unable to comprehend graph of aqueous lithium bromide vapour pressure (0 replies)
  167. OFN bottles (3 replies)
  168. Chemical wash on condenser of chilleers (5 replies)
  169. DE superheater /Heat pump in the chiller (0 replies)
  170. What is cooling capacity in Fg/h (3 replies)
  171. R12 vs R22 (7 replies)
  172. DIY - Refrigerant Recovery Machine - help needed (2 replies)
  173. Thermosyphon (4 replies)
  174. HITACHI compressor oil (2 replies)
  175. Physique have changed!! (1 replies)
  176. Circuits - general rules (1 replies)
  177. Fitting drier to receiver (8 replies)
  178. Designing a Condenser (5 replies)
  179. ite refrigeration scale calibration (0 replies)
  180. Sub cooling from a condenser (15 replies)
  181. Effect brazing steel-copper with R-600 application (8 replies)
  182. Horizontal Evaporators (3 replies)
  183. DIY Compressor Wine Cooler Help (Newbie) (23 replies)
  184. Wiring a Embraco Compressor (20 replies)
  185. -40F mod for small freezer? (9 replies)
  186. Ejectors (3 replies)
  187. R410A in a R404A Compressor (10 replies)
  188. Refrigerant pressure in an idle unit? (compressor not running) (13 replies)
  189. Re: Compressor question 2 (2 replies)
  190. Compressor question (12 replies)
  191. Help!!! How Do I Convert OFN from Litres into Kilograms? (6 replies)
  192. holding lectures, any ideas? (14 replies)
  193. determining coil static pressure (7 replies)
  194. Calculation of Refrigeration capacity (3 replies)
  195. Use of FRP Insulated Underground Storage Tanks for Off Peak Chilled Water Storage (3 replies)
  196. Eurofrigo C2500XTS with the Microstat (controller). Error AL6. (1 replies)
  197. Algorythm (3 replies)
  198. TXV Equalization line with flared connection (2 replies)
  199. ice machine uneven ice on evap. (1 replies)
  200. Slow leak testing (6 replies)
  201. How cold will it get? (25 replies)
  202. Help Picking Cost Effective Propane Refrigeration Compressor (2 replies)
  203. need help for brazing HVAC lines (1 replies)
  204. Energy Saving - Commercial fridge (1 replies)
  205. Coefficient of performance (3 replies)
  206. Compressor start in vacum. What is happened? (2 replies)
  207. Will Reclaiming mix of Nitrogen Break Re-claimer (5 replies)
  208. carrier condenser fan motor (2 replies)
  209. r22 to 13a (4 replies)
  210. Strongest filler metal? (3 replies)
  211. Sporlan LAC-10 with remote bulb. Where to install the bulb? (2 replies)
  212. refrigerant mass inventory (2 replies)
  213. R410A Piping Distribution System - Pressure Test rating (9 replies)
  214. 30°C to 20°C in one hour? (6 replies)
  215. -90C Cold room? (10 replies)
  216. Hot Gas Reheat (8 replies)
  217. Multi fit fan motor noise problem (2 replies)
  218. Balancing Valve (1 replies)
  219. Procedure to design a cooling chamber (2 replies)
  220. VRF/VRV exact compressor motor and power type (2 replies)
  221. Temperature Gained? (7 replies)
  222. Load Calculation (5 replies)
  223. Freezer and Chiller running of 1 condensing unit. (2 replies)
  224. Condenser water inlet & outlet temperature (1 replies)
  225. Clarification about reversing valves (0 replies)
  226. p-h &t-s chart (3 replies)
  227. York YCIV0590 high pressure cut out (7 replies)
  228. Supply Temperature in an AHU (6 replies)
  229. Variable Amperage And Cold Liquid line (15 replies)
  230. Heat Pump problem. How can I solve this? What are the steps ? (4 replies)
  231. Using cooling tower BAC in hard winter (1 replies)
  232. Variable ratio in screw compressor (17 replies)
  233. Adding oil to compressor (2 replies)
  234. chiller on/off temps (4 replies)
  235. fundamentals vs fundamental belief (18 replies)
  236. Help with Transition Pressure Loss Calculation (4 replies)
  237. Density oil York L (2 replies)
  238. forced air VS natural air(cold wall) refrigerator? (2 replies)
  239. Non-condensable's and Sight Glass Bubbles (25 replies)
  240. question in coolpack (2 replies)
  241. low ambient condenser operation (2 replies)
  242. Saturation and other help (1 replies)
  243. Cooling cooking oil, how many power needed? (3 replies)
  244. Need help with Superheat (5 replies)
  245. Newbie Question: QL vs. QH efficiency (3 replies)
  246. Hi****ube material (4 replies)
  247. Thermostat cut in and cut out (4 replies)
  248. What to choose (11 replies)
  249. Thermostatic expansion valve orifice size for variable loiads (4 replies)
  250. Scrolll running backwards (6 replies)