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  1. retro fit r22 to r410a (10 replies)
  2. refrigeration oil (4 replies)
  3. Pressure differential across air conditioned rooms (9 replies)
  4. Daikin Service CHecker Type III (27 replies)
  5. Chilled water system (6 replies)
  6. Daikin files manuals data books (6 replies)
  7. condensation on window (7 replies)
  8. E4 fault on RXYQ12P7 (19 replies)
  9. mr slim (2 replies)
  10. Carrier 19XR (6 replies)
  11. Hitachi system (2 replies)
  12. toshiba inverter fans P22 (2 replies)
  13. Fujitsu Engineer urgently needed (Please help) (15 replies)
  14. Daikin fault code E6 (4 replies)
  15. Measuring of pcb and compressor (4 replies)
  16. Who is Hiyasu air con? (7 replies)
  17. What causes for a scroll compressor to fail? (21 replies)
  18. sanyo vrf (8 replies)
  19. heat recovery wheel (2 replies)
  20. Service manual and error codes for Samsung SH09AWH and SH12ZWH split AC unit (21 replies)
  21. Daikin VRVII (17 replies)
  22. Customer wants quiet system for bedroom (60mē)? (10 replies)
  23. standardisation of fault codes? (1 replies)
  24. Small pcb on DAIKIN's REYQ_M (7 replies)
  25. Daikin Airnet maintenance contract (6 replies)
  26. HITACHI VRF T&C Form (7 replies)
  27. HELP!! tosh vrf (14 replies)
  28. Service report software (1 replies)
  29. Problematic Air Con Installation (3 replies)
  30. ring of compressor (5 replies)
  31. Sooty Evaporator! (5 replies)
  32. Best Systems (4 replies)
  33. compressor vibration (8 replies)
  34. EDC inverter check module (8 replies)
  35. Daikin FXSQ100M8 (7 replies)
  36. Fujitsu Internal Fuses? (17 replies)
  37. Breeam Points (11 replies)
  38. daikin, high pressure?? (8 replies)
  39. Where can I get a louvre motor for Hinari unit (18 replies)
  40. filter drayer (5 replies)
  41. air Condition compressor (3 replies)
  42. Carrier ducted unit (10 replies)
  43. H0 on Mitsubishi Controller (2 replies)
  44. Hanging a condensing unit (19 replies)
  45. Coil cleaners (2 replies)
  46. Daikin ducted unit, never worked properly (15 replies)
  47. Hitachi Service info (4 replies)
  48. Weird pipe runs (7 replies)
  49. Suction Line Item (6 replies)
  50. moveing oil to sylinder (4 replies)
  51. New Training Course (16 replies)
  52. Daikin RXS/RXG -question about jumpers. (0 replies)
  53. Select rerfigerant liquid receiver (1 replies)
  54. NORSOK (Norwegian) Standard on HVAC (1 replies)
  55. Midea Problem (5 replies)
  56. Commissioning City Multi (5 replies)
  57. Service checker Daikin (26 replies)
  58. Ventilation (2 replies)
  59. Driers??? (3 replies)
  60. Fault with Tango cassette (8 replies)
  61. Stulz CSD542A PEC Aircon (12 replies)
  62. Mosquitoes and air currents (4 replies)
  63. 19 XR Teardown Manual (8 replies)
  64. treishpe; service manual for option code (1 replies)
  65. Comms Problem (12 replies)
  66. moving fridges? (7 replies)
  67. Air cooled chillers vibration isolation (3 replies)
  68. Daikin DIII-Net Bus F1 F2 Protocol Adapter (18 replies)
  69. VRV Systems and indoor units (9 replies)
  70. Daikin diagnostics (5 replies)
  71. one scroll compressor does not compress (6 replies)
  72. Apprentices (6 replies)
  73. Testing infra red controllers (8 replies)
  74. Chilled water pipe work blocked (11 replies)
  75. Endoflush (0 replies)
  76. Maintenance (4 replies)
  77. Mitsubishi compressor lock (29 replies)
  78. panel corrosion (6 replies)
  79. How distinguish RC than receiver failure (3 replies)
  80. humidity (3 replies)
  81. 'Close-Control'? (6 replies)
  82. advise required on countering oxidisation (12 replies)
  83. LG Academy (18 replies)
  84. Mini Lime Pumps (47 replies)
  85. Daikin fault codes (17 replies)
  86. Matching Compressor with the coil. (1 replies)
  87. Inverter oil circulation (3 replies)
  88. Mitsubishi Heavy - Help needed Urgently (6 replies)
  89. Toshiba Compressor (3 replies)
  90. Compressor Toshiba Hv1360cw 12b (2 replies)
  91. Standard of cooling capacity. (5 replies)
  92. Mitsubishi M-NET Maintenance Tool (4 replies)
  93. Window AC - "Squeak" Noise when compressor turns off (3 replies)
  94. Early Death! (4 replies)
  95. Goodman 2.5 Ton A-Coil pulsing. (1 replies)
  96. LG aircon systems good or bad (4 replies)
  97. suction valve is broken (11 replies)
  98. Smoke test for ducts (5 replies)
  99. Where Do I Locate a Buffer Tank? (7 replies)
  100. Dirty split AC causes Pneumonia? (14 replies)
  101. DX Fan Coil Units (4 replies)
  102. Stop leak plus? (18 replies)
  103. compressor unloaders (7 replies)
  104. Carrier Master Link II issue (5 replies)
  105. Daikin UK - what do you think? (2 replies)
  106. vrv vrf ??? (7 replies)
  107. Mitsubishi (1 replies)
  108. fuji electric system (5 replies)
  109. toshiba sm1400 at-e (4 replies)
  110. Fujitsu Compressor (4 replies)
  111. Evap Coil to big for duct (4 replies)
  112. the carrier split draw amper more than notmal (5 replies)
  113. Split System max pipe run length? (4 replies)
  114. fault on a sanyo unit (7 replies)
  115. hitachi g5 twin slpit (1 replies)
  116. compressor speed (7 replies)
  117. Problem with Tango: no service valves !! (5 replies)
  118. high pressure protection (11 replies)
  119. Leaking Daikin (10 replies)
  120. Daikin Error Code AH, Sky Air + VAM HRV (12 replies)
  121. One Dead In McDonald's Air Con Explosion (33 replies)
  122. Daikin Error... (8 replies)
  123. Mitsubishi Heavy Industries (6 replies)
  124. Alternative piping joints for VRF (6 replies)
  125. Subcooling on home AC (2 replies)
  126. Refnets (16 replies)
  127. carrier help (6 replies)
  128. Too high external static pressure (8 replies)
  129. Mini lime pumps (6 replies)
  130. Info on LANCO Fan Coil Units (6 replies)
  131. Trouble with a daikin split, RXD71JVEA (12 replies)
  132. Decommissioning Certs (5 replies)
  133. Reciprocating Chiller (6 replies)
  134. cannot get pressure readings (6 replies)
  135. DIY Install ~ R290 (Propane) (9 replies)
  136. Designers block! Need pics of water cooled kit! (6 replies)
  137. DIY install??? (22 replies)
  138. Chiller flow rates is this possible???????? (3 replies)
  139. question reference vrf installations (0 replies)
  140. VRF question help needed (4 replies)
  141. Carrier Vvt Help Please (2 replies)
  142. 25kW Ducted? (6 replies)
  143. suction freezeing (3 replies)
  144. best way to charge a system (8 replies)
  145. toshiba accumilator problems (7 replies)
  146. suction line freezeing (4 replies)
  147. Evaporative cooling on home AC (37 replies)
  148. Using Argon to pressure test? (6 replies)
  149. R410a For Low Temp/low Pressure (1 replies)
  150. IPM Failures (14 replies)
  151. help building an inverter system (9 replies)
  152. coil temp for r22 split system (3 replies)
  153. Multi Split and VRV (22 replies)
  154. Testing Inverters (38 replies)
  155. ground source heat pumps (5 replies)
  156. Freezing back to comp (mitsu elec) (14 replies)
  157. panasonic information wanted (1 replies)
  158. Kelvinator(electrolux)THermistor Range? (3 replies)
  159. Fan speed controllers (2 replies)
  160. Lg Cho2 (4 replies)
  161. Aircon condensing units (5 replies)
  162. Newbie. Charging Refrigerant. Mitsubishi SRK 40HG. (14 replies)
  163. Out with the Old, In with the New (14 replies)
  164. sanyo additional charge (6 replies)
  165. Window AC evaporator freeze (low charge?) (6 replies)
  166. Samsung Option Codes (7 replies)
  167. I need pro guidence (0 replies)
  168. Carrier Compressor (7 replies)
  169. How A Freezer Works? (4 replies)
  170. Biggest VRF installation in the world? (16 replies)
  171. VRV III Heat Recovery (3 replies)
  172. air conditioning for electrical box (10 replies)
  173. Reclaiming refrigerant from fridges/freezers in Canada (3 replies)
  174. Samsung Dvm (vfv) Manuals (18 replies)
  175. york YKHC 30FS pipe sizes (0 replies)
  176. Carrier 52F questions (0 replies)
  177. Samsung service manuals 4 LITSA SPYRATOU (11 replies)
  178. Vacuum pump CFM's? (20 replies)
  179. daikin L0 inverter problem (17 replies)
  180. carrier chillers(30GK) contactor stacking (10 replies)
  181. Carrier fault (2 replies)
  182. LG versus Hitachi ..... your opinions please (8 replies)
  183. UA Daikin Fault Code (2 replies)
  184. Anyone do domestic splits and had a stuck service valve? (11 replies)
  185. Evaporative Cooling question....... (14 replies)
  186. Mitsubishi SRK 40 HG Fault Code. Help Please. (3 replies)
  187. Problem with an inverter compressor in V.R.V system DAIKIN R 407 (10 replies)
  188. panasonic fault codes (7 replies)
  189. Piping diagram for VRV system (6 replies)
  190. The LG's are starting to give us grief ... how BAD are they? (13 replies)
  191. AC compressor locked up...... now its ok ?? (17 replies)
  192. Making an OLD A/C unit more efficient. How much will this help? (19 replies)
  193. Inverter reliability (1 replies)
  194. Fan Static pressure (5 replies)
  195. window unit (9 replies)
  196. Retrofit (18 replies)
  197. waves fault code (1 replies)
  198. a/c spares (3 replies)
  199. Unico system (4 replies)
  200. conservatory a/c (8 replies)
  201. investigating an EO daikin error (10 replies)
  202. Highcool Split system (10 replies)
  203. Gree parts (2 replies)
  204. Daikin's 2YC63AXD compressor electric resistance? (14 replies)
  205. 12kw workin a 5kw load (3 replies)
  206. RC Group Chiller (11 replies)
  207. low gas?(freezing evap) (70 replies)
  208. Freus, water cooled, change gas? (2 replies)
  209. javac vac pump (2 replies)
  210. The UK law on release of fridge gas (11 replies)
  211. Fujitsu heat recovery (11 replies)
  212. Inhibitor for Chilled Water system (2 replies)
  213. Hello all. (3 replies)
  214. york chiller help (15 replies)
  215. Domestic Instalaltions 3.5kW from 13A socket (63 replies)
  216. Standards for Smoke testing of ducts ? (4 replies)
  217. Monitoring techinques (2 replies)
  218. Sanyo fault (1 replies)
  219. Inverter vs Fixed Speed (15 replies)
  220. darees03 (1 replies)
  221. Blanchard Ness (0 replies)
  222. trane chiller flow (8 replies)
  223. Winai (5 replies)
  224. Airwell indoor unit stays shut (2 replies)
  225. carrier fault code (9 replies)
  226. E0 error code daikin vrv (2 replies)
  227. Mitsubishi(s) Lock out in minutes (0 replies)
  228. removing humidity (31 replies)
  229. Converting R22 Mitsi MS18NV to MO59/R417a gas (5 replies)
  230. Dont be shy, advice needed. (9 replies)
  231. help !- advice needed... (11 replies)
  232. Servicing Costs (9 replies)
  233. Daikin Transmission monitor (4 replies)
  234. Daikin VRV Fault (3 replies)
  235. Daikin Vrv Indoor No Cooling (5 replies)
  236. Fault on an Airedale unit (50 replies)
  237. Fault finding (12 replies)
  238. Air condition compressor (23 replies)
  239. hitachi dc inverter (3 replies)
  240. AC in the winter in wisconsin! will it work? (4 replies)
  241. Daikin Schedule Time Clock (1 replies)
  242. derby air con systems are they any good (9 replies)
  243. Portable units (8 replies)
  244. making an air condition for area 5m3 part II (1 replies)
  245. RHOSS multi unit compressor dead (4 replies)
  246. Should i really have to pay for their mistake (46 replies)
  247. making an air condition for area 5m3 (11 replies)
  248. Crankcase heaters on splits? (9 replies)
  249. Career chiller (2 replies)
  250. Stupid Fujitsu Design! (5 replies)