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  1. Moisture and POE (8 replies)
  2. Refrigeration Load for Wine Making Process (0 replies)
  3. Fundamentals (5 replies)
  4. How to repair a refregerator? (8 replies)
  5. flare connection failure (31 replies)
  6. Fundamentals (0 replies)
  7. Fundamentals (1 replies)
  8. i need a lot of dry ice.... (4 replies)
  9. Fault Diagnosis Flow Chart (3 replies)
  10. Does humid air offer better heat exchange? (2 replies)
  11. Equalization problem (8 replies)
  12. Effect of high-side pressure drop on system (14 replies)
  13. legal 101 gas leak check (2 replies)
  14. Spraying water to hot air!! (3 replies)
  15. Frost stat tripped (14 replies)
  16. HVAC acoustic problem (4 replies)
  17. Any Quick Approach to oad calculation (2 replies)
  18. Fundamental (5 replies)
  19. Discrete Scroll Compressor Model (9 replies)
  20. Suction Pressure and the CCPR (12 replies)
  21. refrigerant gaz graphics (3 replies)
  22. foaming (3 replies)
  23. Air source heat pumps (15 replies)
  24. Tecumseh HGC 1000 oil specification (4 replies)
  25. why CIC system ? (7 replies)
  26. Pressure drop (4 replies)
  27. Climatic chamber to test Home refrigerators (0 replies)
  28. Secondery Glycol systems (4 replies)
  29. Duct sizing questions??? (4 replies)
  30. Effect of low-pressure cell on RHVAC equipment (1 replies)
  31. rticle copper corrosion of coils (5 replies)
  32. Alternative Pipe Diameter Calculation (?) (7 replies)
  33. EPR or Hot gas bypass (19 replies)
  34. Tracking down a vibration (5 replies)
  35. temperature gradient (9 replies)
  36. R 290 Transport Properties (3 replies)
  37. TXVs and Liquid Distributors (4 replies)
  38. The Basic Setup (5 replies)
  39. synthetic oil and exposure to air (7 replies)
  40. Remove Suction Filter Elements?? (14 replies)
  41. Basic question on cooling and heat (1 replies)
  42. Heat-pump mass charge determination (8 replies)
  43. moisture test (10 replies)
  44. freezer differential limits? (3 replies)
  45. Sizing a condensing unit for a serve over counter (0 replies)
  46. Interesting Water coil application (15 replies)
  47. Propylene glycol properties (27 replies)
  48. Time to stop being lazy! (2 replies)
  49. Should You Use PTFE Tape? (4 replies)
  50. How do you charge yours? step by step please (5 replies)
  51. R-600a Vs R-290 (3 replies)
  52. Auxilary receiver to increase subcooling? (21 replies)
  53. de-super heaters (7 replies)
  54. Fundamentals (1 replies)
  55. Power requirement of chiller (0 replies)
  56. what is the diferent for the water chilled and air chilled for the chilled water sys? (3 replies)
  57. R404A P-h question (1 replies)
  58. Help - small job plan needed.. (6 replies)
  59. TREV - Temperature Responsive Expansion Valve (2 replies)
  60. Parallel Flow vs Serpentine Evaporators (13 replies)
  61. Heat Pumps (3 replies)
  62. Pressure relief valves for freezers (3 replies)
  63. Orifice selection (6 replies)
  64. Asking helps (3 replies)
  65. Evaporators - TD, SH & approach - revisited (29 replies)
  66. Oil from separator - where to? (20 replies)
  67. Basic Chilled Water System Weir Tank (17 replies)
  68. Information on EER and COP on old systems (5 replies)
  69. Quiri af-120 data sheet (6 replies)
  70. Temperature difference in chamber (test question) (5 replies)
  71. Which way up should the dessecant drier go? (8 replies)
  72. Chiller expansion tank. (4 replies)
  73. checkind daikin compressors and inverter board (7 replies)
  74. Titanium Heat Exchanger (3 replies)
  75. Small Refrigerator low side tubing (0 replies)
  76. What is a "Pony Chiller"? (4 replies)
  77. Are YOU a free thinker "Challenge" (26 replies)
  78. Head pressure control method. (16 replies)
  79. Water in NH3 refrigeration systems (13 replies)
  80. "our new inverter split gives you 130%" (3 replies)
  81. Working out charge amount R134A (13 replies)
  82. Question about calculating compressor power (3 replies)
  83. Pipe diameter, real life and theory (8 replies)
  84. NH3 Water Separator Design (9 replies)
  85. Absorption Fridges (3 replies)
  86. Leakage Process Preparation (R134a) (4 replies)
  87. relative humidity (6 replies)
  88. Vilter Recip Compression Ratios (7 replies)
  89. Need help remembering some basics (2 replies)
  90. Chiller questions (10 replies)
  91. Leak detector technique (1 replies)
  92. Star delta (8 replies)
  93. Compressor Limts / Envelope (29 replies)
  94. Fluid Tank (3 replies)
  95. Thermal properties for guts (3 replies)
  96. Dual HP/LP switch wiring - how do you like it wired? (15 replies)
  97. "swing" motor electronics (2 replies)
  98. Wondering about TX valves. (10 replies)
  99. Can a 4ton HVAC compressor pump down? (8 replies)
  100. Vacuum Pump Questions (7 replies)
  101. motor/compressor laydown (4 replies)
  102. Bag of spanners (3 replies)
  103. Ref. Receivers (5 replies)
  104. Air-driven evaporators - stability issues (81 replies)
  105. dehumidification (1 replies)
  106. Over Condesing under condensing (3 replies)
  107. Propylene Chiller Problems (0 replies)
  108. Which refrigerant for currrent application? (0 replies)
  109. Extended psychrometric chart - high temp region (10 replies)
  110. High superheat TXV (16 replies)
  111. Measuring Airflow (5 replies)
  112. Duct Installation Calculation (2 replies)
  113. What an idea to drain the oil from hermatic compressor . (7 replies)
  114. What do I need? (2 replies)
  115. LoCK out Relay functioning (16 replies)
  116. Design Return Gas Temperature (RGT): (2 replies)
  117. Vac Down Procedure. (3 replies)
  118. Dropped in it and trying t get it sorted (58 replies)
  119. What is a High suction pressure ? (7 replies)
  120. Loader mechanism (0 replies)
  121. inverter (0 replies)
  122. Evaporator to air TD (7 replies)
  123. Why should you use new ***** after a repair (3 replies)
  124. Typical running amps (8 replies)
  125. Real Basics... (19 replies)
  126. manufacturing a small test rig (1 replies)
  127. packaged water chiller 20 tr (1 replies)
  128. refrigeration game (3 replies)
  129. Simple Amonia refrigerator (6 replies)
  130. Questions regarding condenser and evaporator temp. (3 replies)
  131. Belt driven marine Reefer compressors (3 replies)
  132. Testo AC Applications Guide & Reference (1 replies)
  133. Liquid subcooling real or not (37 replies)
  134. LVS - How does the LVS work (0 replies)
  135. How can I reduce evaporator pressure? (29 replies)
  136. Need help in calculating the cooling load or making a mathematical model (1 replies)
  137. Condenser Temperature. HOW TO model it in 3D? (6 replies)
  138. the difference between TEV and EEV? (8 replies)
  139. Container(Cylinder) Requirement for Refrigerant R407 (2 replies)
  140. A/C basic questions: (13 replies)
  141. Cooling load for refrigerated warehouse (4 replies)
  142. How much cooling do i need? (1 replies)
  143. Basics or is it? (17 replies)
  144. Liquid to TXV (10 replies)
  145. Freezer temp. control without thermostat. (14 replies)
  146. Digital Input, Digital output (10 replies)
  147. P-h cycle explained (2 replies)
  148. Refrigerant mixture fractionation (1 replies)
  149. Blass chiller and compressor rack (6 replies)
  150. Newbie Inquiry (6 replies)
  151. Pulling faster vacuums (31 replies)
  152. Local suppliers for R134a and Recovery Cylinders (6 replies)
  153. Freezers 800 liters put together in a room (3 replies)
  154. cross hatched copper tube for condenser coil (5 replies)
  155. Carrier 5H 126 manual (1 replies)
  156. Charging with a restricted condenser (5 replies)
  157. Evaporative cooler perfomance (6 replies)
  158. refrigerant line capacities (0 replies)
  159. How to get SEER? (2 replies)
  160. flake ice machine (2 replies)
  161. Compact AWHP charge determination (28 replies)
  162. Newbie Question - SH Pressure (6 replies)
  163. Duct heat gain formula (1 replies)
  164. Service valves (3 replies)
  165. TXV query (3 replies)
  166. Compression Ratios (5 replies)
  167. Difference between Static and total efficiency of a blower (2 replies)
  168. Detailed calculation of CHW 8 Row Fin and Tube cooling coil U factor (3 replies)
  169. cant search noone helps (1 replies)
  170. Ice Bank Tank Coil Design (17 replies)
  171. Need Suggestions! Low Temp System (3 replies)
  172. refrigerant flow question (5 replies)
  173. Help "Frigerst" (0 replies)
  174. 3 grams per year calibrated source (4 replies)
  175. why is motorized valve located in the outlet line of fan coil unit (8 replies)
  176. Refrigerant Handling (5 replies)
  177. Entropy (4 replies)
  178. Expansion Valve (2 replies)
  179. Faster Cooling (2 replies)
  180. vacuum reduces when vac pump is isolated (40 replies)
  181. What is CFM? (12 replies)
  182. Multiplex Compressor Designs (10 replies)
  183. Drier sizing (2 replies)
  184. Ashrae Hand Book (2 replies)
  185. welding whit nitrogen (15 replies)
  186. What does your pressure gauage actually measure? (28 replies)
  187. return lines (3 replies)
  188. Heat Pump Diagrams (4 replies)
  189. Getting More out of geothermal (3 replies)
  190. Aluminum welding - Evaporator (1 replies)
  191. Calculation of absorbed R-134a in compressor oil (7 replies)
  192. Urgent: absorption chiller (5 replies)
  193. Ar filling station required for 3 pane glass door to avoid condensation (6 replies)
  194. Subcooling (1 replies)
  195. Wet Suction (2 replies)
  196. Oil cooling by thermosyphone (6 replies)
  197. Superheat for the umpteenth time (14 replies)
  198. Short of Gas in R404 serve over (6 replies)
  199. I have no clue about refrigerants.... (3 replies)
  200. Testing pressure and checking for leaks (4 replies)
  201. capacitor (4 replies)
  202. chooseing a gas (20 replies)
  203. warning - water in new wolseley cylinder (6 replies)
  204. Ventilation and part L etc (3 replies)
  205. Raise evap temp 1 degree better effic (8 replies)
  206. sizing window unit for home office (3 replies)
  207. What Suction Pressure do i need? (4 replies)
  208. suction line sweating too much (6 replies)
  209. condensing pressures (12 replies)
  210. Help with small Heat Exchanger (0 replies)
  211. Vam v/s mechanical type (0 replies)
  212. engine room probs ? (0 replies)
  213. AWHP superheat & sub-cooling (895 replies)
  214. how to simulate this problem? (1 replies)
  215. Expansion Of Tank (1 replies)
  216. Cooling capacity and energy useage! (5 replies)
  217. Your Opinion guys, please! (16 replies)
  218. A new comer need some refrigration company information (2 replies)
  219. Refrigeration 101 (201 replies)
  220. Compressor Protection from Salt (ocean front housing) (15 replies)
  221. Relay sparks!!!! cooler not going cold!!! (13 replies)
  222. Need help asap. 460 liter vs 560-660 liter = more wattage? (2 replies)
  223. Need answers on a freezer.... (44 replies)
  224. F GAS training (1 replies)
  225. help please (3 replies)
  226. Reefers from Oz some advise plz.. (1 replies)
  227. Cold slabs/shelves (6 replies)
  228. Multi Stage Expansion (11 replies)
  229. Calculating The Noise Leavel (1 replies)
  230. Duct Fittings Loss Coefficients (8 replies)
  231. advice on a new instalation (2 replies)
  232. Super heat (6 replies)
  233. design of a refrigeration system (0 replies)
  234. Interesting educational portal (2 replies)
  235. Calculate condenser capacity? (5 replies)
  236. chestfreezer (12 replies)
  237. vulcan lokring (9 replies)
  238. Air Infiltration in car cabin (1 replies)
  239. Cooler with additional heat load. (7 replies)
  240. Chilled water system design (7 replies)
  241. terms (4 replies)
  242. Heat Exchanger Question (11 replies)
  243. r12 vs r134a minifridges (efficiency) (10 replies)
  244. 1930 s cellar cooler (9 replies)
  245. absorbption fridges (3 replies)
  246. Thermal Conductivity SPCEN-IF Cold Rolled Steel (5 replies)
  247. Copeland scroll compressor - running capacitor (23 replies)
  248. Need Help in Refrigeration Calculation (7 replies)
  249. Cooling a pipe: external refrigerant flow (12 replies)
  250. Two-phase flow (3 replies)