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Forum: Heat Pumps

  1. Hitachi RAD-35NH7A temperature not stabilizing

    Started by APICATS, 20-11-2020 05:51 PM
    fan, hitachi, rad, temperature
    • Replies: 0
    • Views: 2,730
    APICATS
    20-11-2020, 05:51 PM Go to last post

  2. Hitachi v's Mitsubushi VRF

    Started by Rammy, 17-12-2009 05:53 PM
    • Replies: 4
    • Views: 16,497
    croc1774
    14-01-2010, 08:44 PM Go to last post

  3. Hitachi YUTAKI ASHP

    Started by richard_wardlaw, 28-08-2009 10:35 AM
    • Replies: 10
    • Views: 8,780
    richard_wardlaw
    21-09-2009, 04:18 PM Go to last post

  4. Hitachi Yutaki S RWM-10.0NE not defrosting and ice build=up

    Started by dani146, 13-01-2024 08:58 AM
    1 Attachment(s)
    • Replies: 3
    • Views: 622
    dani146
    15-01-2024, 12:15 PM Go to last post

  5. Home designed and built heat pump!

    Started by The MG Pony, 15-01-2007 05:15 PM
    7 Attachment(s)
    • Replies: 15
    • Views: 7,515
    The MG Pony
    17-08-2007, 02:01 AM Go to last post

  6. Thumbs up Home Heat Pump - Live Data

    Started by Brian_UK, 17-01-2009 10:57 PM
    heat pump, live data
    • Replies: 3
    • Views: 2,826
    The MG Pony
    19-01-2009, 07:13 PM Go to last post

  7. Question Home made swimming pool heat pump

    Started by Acuario, 31-12-2010 10:21 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 129
    • Views: 41,666
    nevgee
    08-03-2011, 10:27 PM Go to last post

  8. Hot Gas Defrost design

    Started by MikeHolm, 10-11-2011 11:57 PM
    • Replies: 0
    • Views: 1,968
    MikeHolm
    10-11-2011, 11:57 PM Go to last post

  9. Hot water and underfloor heating

    Started by eurocooling, 20-11-2012 08:49 PM
    • Replies: 6
    • Views: 2,997
    MikeHolm
    22-11-2012, 11:58 PM Go to last post

  10. Hot Water out of RY60ev1a

    Started by ChillTechnican, 02-11-2009 08:02 AM
    • Replies: 9
    • Views: 3,692
    ChillTechnican
    09-11-2009, 08:41 AM Go to last post

  11. Question hot water outlet position in water tank?

    Started by billliu2010, 12-04-2010 09:27 AM
    • Replies: 5
    • Views: 5,226
    desA
    13-04-2010, 01:23 PM Go to last post

  12. Hot Water Single or Multi Pass?

    Started by AndyHX, 24-08-2010 09:10 AM
    • Replies: 5
    • Views: 3,008
    AndyHX
    26-08-2010, 06:12 AM Go to last post

  13. House heat pump use in Croatia

    Started by David Hu, 03-07-2009 07:25 AM
    • Replies: 1
    • Views: 2,711
    Josip
    03-07-2009, 08:06 AM Go to last post

  14. How do I get similar temps from ASHP?

    Started by Goozelle, 18-04-2013 01:37 PM
    • Replies: 1
    • Views: 1,754
    The Viking
    18-04-2013, 02:22 PM Go to last post

  15. Exclamation How does an inverter fan coil communicate with its condenser?

    Started by kevin090972, 09-01-2007 02:40 PM
    • Replies: 11
    • Views: 8,291
    Peter_1
    22-07-2007, 10:38 AM Go to last post

  16. How is HSPF measured and can units really be compared by the rating?

    Started by Larry2, 22-03-2008 05:24 AM
    • Replies: 1
    • Views: 3,010
    BigJon3475
    23-03-2008, 02:42 PM Go to last post

  17. How many starts can an inverter Heat Pump have

    Started by tekumze, 14-10-2011 02:37 PM
    • Replies: 7
    • Views: 4,609
    MikeHolm
    10-11-2011, 11:46 PM Go to last post

  18. How much should I be paying?

    Started by lm2008, 21-08-2008 04:30 PM
    • Replies: 18
    • Views: 6,677
    nike123
    11-10-2008, 11:03 AM Go to last post

  19. How to calculate for scaling an air heat pump install?

    Started by ohansen, 06-03-2009 06:00 PM
    • Replies: 2
    • Views: 3,088
    brunstar
    19-03-2009, 11:15 PM Go to last post

  20. Lightbulb How to increase performace of Altherma LT heat pump ?

    Started by dani146, 22-10-2012 04:50 PM
    1 Attachment(s)
    • Replies: 11
    • Views: 4,197
    matelodave
    20-12-2012, 02:15 PM Go to last post

  21. How to make residential scroll compressor into VFD compressor

    Started by Chris520, 07-11-2010 07:20 PM
    • Replies: 1
    • Views: 3,841
    chilliwilly
    07-11-2010, 10:26 PM Go to last post

  22. Smile how to size swimming pool heat pump?

    Started by moideen, 05-12-2011 05:06 AM
    • Replies: 14
    • Views: 14,290
    mbc
    06-12-2011, 07:16 AM Go to last post

  23. HT heat pump, Oil system or night storage options

    Started by Milliamp99, 27-07-2017 09:25 AM
    altherma-ht, heat pump upgrade, oil boiler
    • Replies: 2
    • Views: 2,750
    Cexarr
    11-09-2017, 06:50 PM Go to last post

  24. humidity

    Started by obenschain, 23-01-2020 01:49 AM
    • Replies: 3
    • Views: 15,042
    redroge
    23-01-2020, 05:29 PM Go to last post

  25. HVAC design for apartments - Need Ideas

    Started by cadillackid, 14-04-2010 01:33 PM
    • Replies: 17
    • Views: 8,358
    techguy
    11-07-2011, 02:32 PM Go to last post

  26. I have met the air handler from hell this week...

    Started by hvac01453, 04-07-2014 03:12 AM
    • Replies: 4
    • Views: 2,396
    MikeHolm
    08-07-2014, 01:15 PM Go to last post

  27. Question Ice formation on condensing coil of heat pump

    Started by krratheeshnair, 23-06-2009 06:09 AM
    1 Attachment(s)
    • Replies: 13
    • Views: 10,248
    Jethro Bush
    12-07-2009, 10:21 AM Go to last post

  28. Ice in heat pump

    Started by Buzzant, 06-01-2010 01:14 AM
    • Replies: 42
    • Views: 18,383
    Buzzant
    11-01-2010, 07:47 PM Go to last post

  29. Ice stick: is a new HP technology or what?

    Started by davidk, 14-01-2007 06:29 PM
    • Replies: 10
    • Views: 6,354
    Lc_shi
    12-03-2007, 05:02 AM Go to last post

  30. IDM Heat Pump high pressure fault

    Started by Fol1@eircom.net, 07-03-2013 10:37 AM
    heat pump, idm, pressure fault
    • Replies: 4
    • Views: 5,307
    Jon Glanfield
    23-03-2013, 08:46 AM Go to last post

  31. IDM Heat Pump Issue

    Started by Jon Glanfield, 15-12-2011 07:24 AM
    • Replies: 3
    • Views: 4,407
    Bigfreeze
    16-12-2011, 08:18 PM Go to last post

  32. Idm Heat Pumps

    Started by stuartwking, 09-03-2008 10:38 PM
    • Replies: 1
    • Views: 5,534
    kpol
    13-08-2008, 12:05 PM Go to last post

  33. Question IDM heatpump with multitalent.002 control

    Started by Zavo, 25-07-2014 07:39 PM
    hygienik, idm, multitalent, multitalent.002
    • Replies: 0
    • Views: 2,901
    Zavo
    25-07-2014, 07:39 PM Go to last post

  34. Ihs & idm

    Started by Jon Glanfield, 08-06-2012 06:33 AM
    • Replies: 3
    • Views: 2,197
    al
    09-06-2012, 10:10 PM Go to last post

  35. industrial heat pump application

    Started by Lc_shi, 23-08-2006 09:57 AM
    • Replies: 5
    • Views: 4,479
    US Iceman
    24-08-2006, 02:48 PM Go to last post

  36. Inhibitor

    Started by Jase, 04-01-2012 10:49 PM
    • Replies: 23
    • Views: 6,403
    leeapole
    20-01-2012, 04:48 PM Go to last post

  37. Installing Floor standing indoor unit (daikin

    Started by n1redrum, 14-12-2014 09:09 PM
    daikin, floor, install, installation
    • Replies: 2
    • Views: 1,996
    install monkey
    21-12-2014, 02:57 PM Go to last post

  38. installing reversing valve

    Started by kefah, 29-04-2013 06:05 PM
    2 Attachment(s)
    • Replies: 6
    • Views: 2,842
    kefah
    30-04-2013, 08:20 PM Go to last post

  39. is air source good chose for heating in NYC

    Started by zygote nyc, 19-12-2010 07:55 PM
    • Replies: 6
    • Views: 2,510
    dougheret0
    21-12-2010, 09:13 PM Go to last post

  40. Is everyone aware Fuj wallmounts now less powerful?

    Started by gwm121, 13-10-2010 08:57 PM
    • Replies: 7
    • Views: 3,412
    Slim R410a
    02-11-2010, 01:16 PM Go to last post

  41. Is geothermal the future?

    Started by mfakazi, 24-01-2009 09:42 PM
    • Replies: 4
    • Views: 2,603
    mfakazi
    24-02-2009, 10:30 PM Go to last post

  42. Is it worthwhile installing a Panasonic CS E12CKP, or is it ancient?

    Started by WannaBeInverter, 03-03-2008 10:56 PM
    • Replies: 6
    • Views: 7,381
    WannaBeInverter
    05-03-2008, 07:52 AM Go to last post

  43. Is my Heat pump system OK?

    Started by rogermunns, 02-01-2011 01:16 PM
    2 Attachment(s)
    • Replies: 12
    • Views: 4,238
    nevgee
    03-01-2011, 04:49 PM Go to last post

  44. Is my refrigerant level OK?

    Started by pilko, 03-03-2012 12:00 PM
    • Replies: 3
    • Views: 2,835
    Gary
    15-03-2012, 07:15 PM Go to last post

  45. Is my split system trash? (part two)

    Started by chillyjag, 09-12-2013 10:35 AM
    • Replies: 7
    • Views: 2,779
    xxargs
    12-12-2013, 07:39 PM Go to last post

  46. Keith D. Geothermal closed loop system issues

    Started by Repoman99, 30-06-2013 07:47 AM
    • Replies: 0
    • Views: 1,239
    Repoman99
    30-06-2013, 07:47 AM Go to last post

  47. Kelvinator/Electrolux service manual split heat pump

    Started by Airsteve, 30-07-2015 07:45 AM
    • Replies: 2
    • Views: 2,349
    Airsteve
    31-07-2015, 05:14 AM Go to last post

  48. Keram 9kw heat pump

    Started by rt29781, 22-12-2008 04:08 PM
    • Replies: 8
    • Views: 8,340
    gr33n
    18-04-2011, 09:35 AM Go to last post

  49. Keram Heat Pumps

    Started by nickm, 27-05-2011 10:56 AM
    • Replies: 0
    • Views: 2,257
    nickm
    27-05-2011, 10:56 AM Go to last post

  50. KickStart

    Started by litwok, 19-11-2009 02:43 PM
    • Replies: 11
    • Views: 8,822
    hd88
    14-01-2010, 12:05 AM Go to last post

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