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  1. Martin Hou equation of state for 134a (1 replies)
  2. 3d cad (3 replies)
  3. System capacity (2 replies)
  4. Heat loads generated in plant propagation rooms (1 replies)
  5. pressure drops (6 replies)
  6. Help with what to do with a broken Honeywell air con uinit (3 replies)
  7. Cs net web of hitachi (2 replies)
  8. Gold lack aluminium (6 replies)
  9. Determining BTU load of a cold wall pan (1 replies)
  10. *****s for tap water (2 replies)
  11. trade counter in or close to central London.... (7 replies)
  12. Sub-cooling question (16 replies)
  13. Chiller/Heater for Koi pond (5 replies)
  14. real pics of chiller with labelled parts (1 replies)
  15. fire dampers (2 replies)
  16. Xarios 500 (1 replies)
  17. hot gas defrost design (7 replies)
  18. Small suction line accumulator (10 replies)
  19. Evaporater icing up..... (3 replies)
  20. Split unit on low temperatures (12 replies)
  21. weird Refrigeration (16 replies)
  22. A/C rotary compressor speed (2 replies)
  23. How to determine the flow? (4 replies)
  24. Thermal Conductance (UA) ? (4 replies)
  25. Hermetic pumps » suction line (24 replies)
  26. undercharged? (5 replies)
  27. Condensation Temperature? (24 replies)
  28. need more info about thermo chemical system (0 replies)
  29. Oil Change due to comp burnout (18 replies)
  30. What parameter apply with temperature gradient in air-conditioning design? (3 replies)
  31. Re-rating a system for voltage variation (18 replies)
  32. littel help here (4 replies)
  33. compressor discharge temps (16 replies)
  34. Why Amonia DX evap need surplus capacity ? (7 replies)
  35. performance testing for dx package units with water cooled condensers (0 replies)
  36. looking for advice (1 replies)
  37. Help on Calculations (41 replies)
  38. Roots blower in vacuum technology (8 replies)
  39. TEV Pressure Difference (8 replies)
  40. ASHP to heat a greenhouse!!? Will it work? (15 replies)
  41. Multiplex (0 replies)
  42. pressure drop (1 replies)
  43. Radiator Sizing with heat pumps??? (25 replies)
  44. sizing truck line (6 replies)
  45. Anti-vibration mountings (4 replies)
  46. sublimation? (3 replies)
  47. 30 something year old Carrier wiring diagrams (3 replies)
  48. Phosphorus in oil? (10 replies)
  49. Novice again (3 replies)
  50. Filter dryer selection (4 replies)
  51. should have been a plumber (4 replies)
  52. Help (8 replies)
  53. Electronic Expansion Valve Benefits (6 replies)
  54. 1 versus 2 and 1² versus 2² and 1³ versus 2³ (16 replies)
  55. Ques (9 replies)
  56. combination lock for coldroom (10 replies)
  57. Carton Freezers (1 replies)
  58. Humidity (10 replies)
  59. Common Sense Counterfactuals - Tire Width (30 replies)
  60. 1/2² (235 replies)
  61. Physics for HVAC&R Techs (85 replies)
  62. Cold rooms heat load calculation (13 replies)
  63. Compressor Sizes (1 replies)
  64. Speed in evaporator tube (44 replies)
  65. Charging by weight (19 replies)
  66. Question regarding pressures (2 replies)
  67. Adding oil to a york chiller compressor (4 replies)
  68. Compressor "lift" (5 replies)
  69. Saginomiya DDE defrost controller - instruction manual (3 replies)
  70. Rack very acidic (11 replies)
  71. too big condenser?? (7 replies)
  72. digital valve error (1 replies)
  73. AC Split unit working under 16ºC (15 replies)
  74. SuperHeat Setting (3 replies)
  75. Accumulator placement? (3 replies)
  76. Book recommendation for design of small systems (1 replies)
  77. Domestic refridgerator compressor power ratings (8 replies)
  78. Mitsu R22 Multi Inverter Wiring Diagram Help (4 replies)
  79. capillary sizing (6 replies)
  80. N2 Pressure Test Formulae - Anomalies Explained (0 replies)
  81. Ice maker stamped evaporator design considerations and suggestions. (0 replies)
  82. Storage of meat,floor defrosting and heat recovery (11 replies)
  83. Type of Compressors (1 replies)
  84. Dew Point Control (8 replies)
  85. Header sizing (4 replies)
  86. Refrigerant piping concept (6 replies)
  87. Trouble understanding a/c current in relation to a single phase supply. (16 replies)
  88. Subcooling with condenser fan staging (0 replies)
  89. Vacuum Rise Test Misconceptions (18 replies)
  90. Reclaim (2 replies)
  91. Daikin Altherma indoor unit outdoors (7 replies)
  92. Defrost stat (6 replies)
  93. zpk54 scroll btu chart (1 replies)
  94. Boiling point of moisture under vacuum (8 replies)
  95. recovering 410a from scroll (9 replies)
  96. Question about calculating BTU (17 replies)
  97. What kind of C.O.P. can I expect in rejected heat from ice makers? (3 replies)
  98. Heat load for cold store (7 replies)
  99. Need guidance (0 replies)
  100. Let us live (2 replies)
  101. What to refill a R12 freeze with, R290, R600 or R134a? (14 replies)
  102. Flooded Evaporator fundamentals (2 replies)
  103. Hourly building load factors (1 replies)
  104. Capillary Sizing (9 replies)
  105. Calculating necessary compressor HP for an anticipated cooling power? (0 replies)
  106. Coolroom insulation (8 replies)
  107. compressor shut down and restart (4 replies)
  108. Ffuit cooling (28 replies)
  109. Manifold hose-seal replacement (1 replies)
  110. how does temp differ with out pressure (12 replies)
  111. Compressed dive air vs nitrogen leak detection (14 replies)
  112. r4o1b to 404a (3 replies)
  113. Homemade 900W waterchiller, are these measurements ok? (31 replies)
  114. housewole refrigerators (1 replies)
  115. question for reversing valve (12 replies)
  116. Drinks Chiller Design Issues (12 replies)
  117. Contact thermal resistance (2 replies)
  118. Appropriate thickness of rubber insulation (5 replies)
  119. Short cycle protection - how short are we talking? (6 replies)
  120. Pimp my Husky / Eliwell ID961plus (25 replies)
  121. help a new Sales person out day (8 replies)
  122. Condenser Fan Motors (4 replies)
  123. danfoss expansion valve sizing for chiller (1 replies)
  124. Losing level in oil separator (27 replies)
  125. ***** expansion fundamentals (7 replies)
  126. Mcquay AHU Model MDM 0711H/0812H (1 replies)
  127. Ultra-low temperature system (6 replies)
  128. Reasons for system not pumping down (7 replies)
  129. super heat & subcooling (2 replies)
  130. are compressors made for a set temperature? (8 replies)
  131. York Compressor Oil Pump (6 replies)
  132. Skint pub owner needs cheap repair! (2 replies)
  133. Help me pls (2 replies)
  134. Ice Build Up - compressor problem (6 replies)
  135. Useing a 407C comp for R22 app? (5 replies)
  136. setting suction pressure (5 replies)
  137. Refrigeration Diagram (0 replies)
  138. efficient humidification method (0 replies)
  139. brine tank calculation (4 replies)
  140. heat load calculation (1 replies)
  141. How much power do the comp add to the system? (13 replies)
  142. Calculating Upper Level heat Gains (0 replies)
  143. Evaporator Design (12 replies)
  144. reverse valve system (0 replies)
  145. Evap above compressor - changing compressor type (5 replies)
  146. Textile Industry : HVAC (2 replies)
  147. Refrigeration Technician Requirements (3 replies)
  148. capacity calculation (8 replies)
  149. Theoretical Discharge Temperature (7 replies)
  150. Over feeding TEV (3 replies)
  151. Specific sensible heat (2 replies)
  152. Condensing Water Quality parameters (0 replies)
  153. Size of Evaporator stub-outs vs. Condenser stub-outs of Cetrifugal Chillers (3 replies)
  154. Metal gaskets (1 replies)
  155. Liquid Return & Discharge Pipework Selection and Design (3 replies)
  156. wine tank cooling jackets (5 replies)
  157. VRF refrigerant leak (2 replies)
  158. Unable to decipher high pressure fault - help!! (32 replies)
  159. History of the Mollier Diagram (2 replies)
  160. Capillary Tube Lengthening (5 replies)
  161. Air to air Source Heat Pump DIY Design Help (6 replies)
  162. Differential pressure switch testing them? (9 replies)
  163. Condenser Selection (10 replies)
  164. Heat pump project oil issues (2 replies)
  165. delta t and TD (4 replies)
  166. Single Flare vs Double Flare? (1 replies)
  167. Ammonia Chiller Coil Codes and Standards (1 replies)
  168. COP in catalogue vs actual (VRF) (5 replies)
  169. Absorption chiller for heating (0 replies)
  170. Connection and Disconnection of Gauges (7 replies)
  171. Refrigerant Additive (1 replies)
  172. retard (3 replies)
  173. Oil seperators leaking tru (7 replies)
  174. Environmental Chamber Design (2 replies)
  175. Frequently used abbreviations and shorthand guide (12 replies)
  176. Headmaster valve in comms room (2 replies)
  177. Small chest freezer-Commercial (2 replies)
  178. Dehumidifier capacity (8 replies)
  179. Design Help / Where to start? (46 replies)
  180. calculation of expansion vessel (16 replies)
  181. shell and tube heat exchanger design (6 replies)
  182. Standard testing conditions for latent capacity? (0 replies)
  183. measure sub-cooling (8 replies)
  184. DIY Triangular Refrigerator? (3 replies)
  185. Usefull Link (0 replies)
  186. Thermonomics (3 replies)
  187. Discharge thermometer (1 replies)
  188. Car AC system volume (5 replies)
  189. Liebert vacuum testing (16 replies)
  190. Contactor Bouncing or Hammering (6 replies)
  191. TXV problem (3 replies)
  192. Recovering HFC 245fa (1 replies)
  193. log p/h question, flow rate (15 replies)
  194. Correct technical name (14 replies)
  195. refrigeration P&ID comments (0 replies)
  196. Flux ? (3 replies)
  197. Domestic Freezer Duty Cycle Info (6 replies)
  198. Recovering HFC 245fa (3 replies)
  199. Over Condensing???? (79 replies)
  200. Replacing water filter on Daewoo fridge/freezer. (1 replies)
  201. Expansion Process (12 replies)
  202. Install Dryer to Cap Tube question -"Victory" reach in- (8 replies)
  203. Rotary or piston Compressor (1 replies)
  204. Carlyle Compressor (4 replies)
  205. difference between flooded & liquid overfeed system???? (7 replies)
  206. run / start capacitor issue (5 replies)
  207. YorkHICA600A Wiring (2 replies)
  208. heat pump expansion valves (2 replies)
  209. Intermittent flash gas in liquid line help. (16 replies)
  210. Hvca sfg20 (2 replies)
  211. DIY Recover unit? Vacuum pump (15 replies)
  212. Soak Pressure??? (3 replies)
  213. Please help me with my project! (15 replies)
  214. For the chiller guys (13 replies)
  215. compressor re-building (0 replies)
  216. Homemade Kegerator (2 replies)
  217. Tonnage to KW (12 replies)
  218. Emailair RM 300H (1 replies)
  219. temperature problem (3 replies)
  220. Legionnaires' disease & hot water systems (11 replies)
  221. Receiver Design (14 replies)
  222. how to check oil level heremetic comp. (2 replies)
  223. Infrared Leak Detection : the basis please ! (12 replies)
  224. Design Diagram for Copeland Semi Hermatic Compressor LA40-030 E (7 replies)
  225. imm ID stainless steel tuing supier England, UK (2 replies)
  226. Check valve selection (12 replies)
  227. Less cooling (1 replies)
  228. Charging AC in extreme temps (8 replies)
  229. o rings (3 replies)
  230. deletion errors (2 replies)
  231. better COP at winter (23 replies)
  232. insulation foams (5 replies)
  233. How calculate AHU performance? (9 replies)
  234. York screw (4 replies)
  235. Fan Blade Balancing? (5 replies)
  236. Need sea water evaporative cooling tower (12 replies)
  237. Flexible lines (8 replies)
  238. Outphased k110 grasso (2 replies)
  239. solar fridge design project (21 replies)
  240. F gas unit (1 replies)
  241. Absorption chiller cop based on hhv and lhv (5 replies)
  242. Refrigerant Piping Velocities (1 replies)
  243. condesing unit make cold water and also cold wind (2 replies)
  244. Designing Systems for Beverage Coolers (1 replies)
  245. Carrier 30GX chillers (3 replies)
  246. Help with Review of Ammonia Cold Storage Plant (33 replies)
  247. How much does a car A/C in a perfect order leak? (9 replies)
  248. sizing phisical dimensions of a freezer room (5 replies)
  249. Where does the refrigerant live when the system is off? (13 replies)
  250. Install condenser in opposite position its built for? (24 replies)