Log in

View Full Version : Fundamentals



Pages : 1 2 3 4 5 6 7 8 9 10 11 [12] 13 14 15

  1. Charging formula (7 replies)
  2. air washer system with chilled water (16 replies)
  3. Considering a career in refrigeration (0 replies)
  4. Two Condensers in the same unit (18 replies)
  5. Understanding star delta (21 replies)
  6. Protection of Environment (2 replies)
  7. Pressure Range (11 replies)
  8. calculating the kw's my unit is doing. (2 replies)
  9. Evacuation (10 replies)
  10. Enemy of the fridge. (2 replies)
  11. high amp draw (6 replies)
  12. Freezer Room Heat Rise in Temp (2 replies)
  13. hallo to evryone (2 replies)
  14. Compressor as Expansor (1 replies)
  15. iced up evap coil (6 replies)
  16. System design (5 replies)
  17. Is my FF beyond repair (3 replies)
  18. TXVs with MOP (9 replies)
  19. GP14TG Compressor (2 replies)
  20. Receiver! Needed or not (4 replies)
  21. Icing Up (5 replies)
  22. Absortpion Refrigeration - Evaporator Basics (4 replies)
  23. deperate westerbeke 5kw need some AC (6 replies)
  24. 3 phase compressor (16 replies)
  25. Tempered air (4 replies)
  26. Project needs a freezer box. (14 replies)
  27. Pomegranates Freezing rooms (1 replies)
  28. Smith quick braze torch? (10 replies)
  29. Maneurop parts (EBM fan) (4 replies)
  30. chocolate heat (5 replies)
  31. Shop refrigeration design solution needed! (3 replies)
  32. bubble temperature? (5 replies)
  33. Hot wire auto AC clutch to be on all the time (10 replies)
  34. Training: NVQ3 vs HNC - next step (11 replies)
  35. Adjusting superheat on multiple evap units (2 replies)
  36. how to calculate weight of refrigerant (11 replies)
  37. Do split-unit aircons benefit from having their liquid and gaseous pipes in contact? (15 replies)
  38. Need help designing chiller system from scratch! (16 replies)
  39. pressure transmitters (3 replies)
  40. help? Ultra low refrigeration help? (11 replies)
  41. Formula to Calculate (7 replies)
  42. Saturated temp? (11 replies)
  43. Hard start, Soft Start, Inverter??? (9 replies)
  44. Leak Problem (9 replies)
  45. Piping identification system (1 replies)
  46. Portable Refrigeration Air Conditioner Units (2 replies)
  47. Estimation of Gas charge for Screw Chillers (8 replies)
  48. PRESSURE RELIEF CALCULATIONS in cascade system (0 replies)
  49. Re-enforced cap tube? (6 replies)
  50. Basic Info (4 replies)
  51. Ammonia-Carbon dioxide cacasde refrigeration system. (1 replies)
  52. Pipe Sizings for pump (5 replies)
  53. Flushing Agent (4 replies)
  54. Freezing of Peas (2 replies)
  55. Question re: Cooling Sea Water (18 replies)
  56. 50 HP motor on a 100 HP compressor (19 replies)
  57. Condenser Coil Positioning (3 replies)
  58. Basic question about refrigerant to use (25 replies)
  59. Chris W (3 replies)
  60. Stalectronic Problem (1 replies)
  61. Electronic expansion valve (3 replies)
  62. Evaporator Flash over (8 replies)
  63. Excessive Frosting on the Evaporator (5 replies)
  64. Booster System (7 replies)
  65. Refrigerated display cabinets (3 replies)
  66. suction accumulator control (6 replies)
  67. I just want a critique of my work to see if it meets the grade! (27 replies)
  68. Question, Hi press control (2 replies)
  69. cold room fire protection (12 replies)
  70. Scroll compressor with TXV no Receiver no filter Dryer (7 replies)
  71. Another Question to tickle your brain cells.. (3 replies)
  72. Help needed (12 replies)
  73. Public Liability Insurance (6 replies)
  74. Calculating KW (25 replies)
  75. High RH Cold rooms (37 replies)
  76. vibration loops???? (18 replies)
  77. Evaporating / condensing temperatures (46 replies)
  78. walk in cooler EVAPORATOR coil icing up (5 replies)
  79. dynamic viscosity of R600a (7 replies)
  80. Survey Data Help (0 replies)
  81. Can you install A/C condensing units in Boiler Rooms (7 replies)
  82. DIY heat pump 12kW (11 replies)
  83. standard coper tube sizes and compressor catalogue (3 replies)
  84. Hot gas defrost system (18 replies)
  85. Thermostatic expansion valves (18 replies)
  86. I need HELP : 16m is the height (24 replies)
  87. ice maker machine (1 replies)
  88. cooling excess solar panel heat transfer fluid (7 replies)
  89. Oversized Liquid Recievers?? Problems?? (12 replies)
  90. Best place for defrost termination stat (3 replies)
  91. Wessamat Ice Machine (0 replies)
  92. Installing pipes (8 replies)
  93. System Application info. (3 replies)
  94. Transient heat conduction (2 replies)
  95. mr jamal (8 replies)
  96. U Factor (2 replies)
  97. Fan engineering & Application Info (4 replies)
  98. proper connection of a Water cooled plant (7 replies)
  99. Making a simple water cooled condenser (19 replies)
  100. Efficient Water-Source Condenser Design? (4 replies)
  101. Pressure loss versus speed in suction line (14 replies)
  102. HNC vs NVQ3 (4 replies)
  103. Eutectic beam/plate. (12 replies)
  104. Where to sense pressure? Liquid or gas?? (18 replies)
  105. Basics of TXV's (5 replies)
  106. Sub vs trans critical process (2 replies)
  107. X430 Ls Seal (0 replies)
  108. inverter operation (3 replies)
  109. Compressor loading, cooling, and range of operation. (10 replies)
  110. HVAC installation (7 replies)
  111. Suction Line Welding (5 replies)
  112. Energy Management manual (0 replies)
  113. Charging the system (5 replies)
  114. chosing the right evaporator (6 replies)
  115. Identing a compressor! (3 replies)
  116. Building a refrigerated warehouse (45 replies)
  117. Suction line (5 replies)
  118. efficiency improvement using capacitor (9 replies)
  119. Heat Transfer calc on Falling Film Evap type on Tube Icemaker (4 replies)
  120. what is the best solutions (4 replies)
  121. finding an incredibly small leak! (12 replies)
  122. ice making (0 replies)
  123. cap tubing sizing with multiple evaporators (11 replies)
  124. Refrigeration floorheating (13 replies)
  125. Vacing system & JohnsonsControll V46AB Valve? (9 replies)
  126. Importing refrigerant to canada from the us? (9 replies)
  127. Chemical Engineering Student (2 replies)
  128. Cooling Load Calculation (0 replies)
  129. Saturated Discharge Temperature (30 replies)
  130. Heat Rejection Factor (18 replies)
  131. Blast freezer related issues ~~ (5 replies)
  132. Leaking sight Glass!?!! (10 replies)
  133. Paint shop heat transfer (8 replies)
  134. Absolute Zero - how low can you go? (10 replies)
  135. Hi, ref handling and my options (3 replies)
  136. Trane nomenclature (3 replies)
  137. Hooking up a Vaillant Geyser? Need help! (13 replies)
  138. what calculations for caps (11 replies)
  139. Oil changing on hermetic compressors. (8 replies)
  140. Heat pump pipe sizing - why bother? (5 replies)
  141. Repair Coplametic 6RA4 discharge valves (4 replies)
  142. Coils - Inline vs Staggered tube (15 replies)
  143. Safe pressure testing with gauge manifold (27 replies)
  144. Vacuum pump cleaning and POE! (8 replies)
  145. Common header (14 replies)
  146. New here (1 replies)
  147. Heat Transfer Exam Question (10 replies)
  148. Compressor specs? Need help on data! (11 replies)
  149. Freeze 5000 kg of mangoes (9 replies)
  150. Refrigerant Piping Guide (10 replies)
  151. Small hermetic compressor run-times (9 replies)
  152. Oversized unit (2 replies)
  153. Tanem unit and Booster unit (2 replies)
  154. tandem unit (3 replies)
  155. evaporating temperatures (11 replies)
  156. Details about fan (4 replies)
  157. liquid injection triggered on low suction method (10 replies)
  158. TEWI Calculations (3 replies)
  159. non-condensable gas (5 replies)
  160. non-condensable gas (3 replies)
  161. Unit cooler rating factor (4 replies)
  162. r134a inject baseline (1 replies)
  163. Freezer efficiency questions (8 replies)
  164. Water Cooler Design (4 replies)
  165. Help, wanted ISO 16484-5 (1 replies)
  166. company name (3 replies)
  167. Heat Pump Shopping List (22 replies)
  168. Differance Of Opinion (7 replies)
  169. Reducer Duct Area (11 replies)
  170. "Life" of a Refrigerant (5 replies)
  171. liquid overfeed (11 replies)
  172. energy efficiency issue (0 replies)
  173. Refrigerant Flow Rates (7 replies)
  174. operation of oil switch (3 replies)
  175. Connecting Trane Water chiller to air handling unit (10 replies)
  176. Refrigeration system design.. (15 replies)
  177. refrigeration system air-tightness test (20 replies)
  178. Pressure Test (8 replies)
  179. Lubrication oil (4 replies)
  180. Rate of temperature rise (5 replies)
  181. What is a typical Delta T over an air/refrigerant heat exchanger? (12 replies)
  182. PH Diagram.......practically using it. (6 replies)
  183. Charging a/c unit using R407C (22 replies)
  184. Negative Refrigeration Cooling effect (7 replies)
  185. Oil Pressure Differential Switches (24 replies)
  186. What is the best book to get for duct desing? (8 replies)
  187. What is the best location for a evaporator fan? (3 replies)
  188. calibrating sensors (4 replies)
  189. Converting an ac to a heatpump (5 replies)
  190. Field settings (11 replies)
  191. PHE bad performance issue (3 replies)
  192. Can you use a refrigerator system for a heat pump? (26 replies)
  193. test cell (1 replies)
  194. Duct design (9 replies)
  195. Velocities of R404a (4 replies)
  196. Cable tray for refrigerant Piping (5 replies)
  197. Expansion valve oriface size (4 replies)
  198. how to evaluate a product (11 replies)
  199. HVAC system cleaning (1 replies)
  200. Refrigeration fundamentals guide (2 replies)
  201. Good link for some I think (2 replies)
  202. Double suction risers (10 replies)
  203. Delta-t (3 replies)
  204. Hermetic cooling? Is Suction gas enough? (7 replies)
  205. dT on Condensers (3 replies)
  206. Friction los calculation lines (4 replies)
  207. ***** hot gas defrost (4 replies)
  208. Evaporator Coil For Cold Storage (1 replies)
  209. capacity issue (4 replies)
  210. EPR valves (27 replies)
  211. Air Ducting calculation (3 replies)
  212. R12 to R22 changing (9 replies)
  213. heat exchanger for small chiller (4 replies)
  214. Flooded & Pump Evaporators (2 replies)
  215. Flooded & Pump Evaporators (3 replies)
  216. Reclaiming refrigerant (9 replies)
  217. Relation between Ammonia Comp HP and TR (4 replies)
  218. airflow (11 replies)
  219. help with testing 3 phase comp (7 replies)
  220. HVAC GTAC Manual & CD (0 replies)
  221. Wood Kiln dehumidifier? (24 replies)
  222. piping (1 replies)
  223. could anyone suggest me a graduation plan?? (0 replies)
  224. Rebuilding 2 copland semi's? (15 replies)
  225. Log p/h diagram (5 replies)
  226. Need copy from ASHRAE (1 replies)
  227. -60C Temperature (1 replies)
  228. Suction pressure problem during defrost (6 replies)
  229. transient heat transfer help (7 replies)
  230. Manual selection refrigeration lines (1 replies)
  231. Refrigerants and your damage. (1 replies)
  232. Hot gas defrost (14 replies)
  233. What kind of tubes to use??? (7 replies)
  234. Probably the most basic of fundamentals (8 replies)
  235. Influence of Charge (1 replies)
  236. Any replacement for R403B?? (6 replies)
  237. how to improve the product (1 replies)
  238. Blast Freezing (5 replies)
  239. Adding oil (5 replies)
  240. Oil return/reduced evaporator capacity (8 replies)
  241. Two stage compressors (5 replies)
  242. Intermediate pressure? (1 replies)
  243. Should we oil 410a Flare nuts (25 replies)
  244. co2 heat pump water heater (5 replies)
  245. Capacity measurement of compressors (4 replies)
  246. Psychometric exercise (35 replies)
  247. VFD design (0 replies)
  248. Pressure safety swtiches? (14 replies)
  249. Need Help On experimental System (16 replies)
  250. ***** and memory lapse (11 replies)