System Air VRF 500
Refrigeration-Engineer.com forums » Air Conditioning
by chillermac
2w ago
Would anyone have any information on a System Air VRF 500 AIR EVO HP R unit? Looks like a H9 fault. It runs for about an hour or so then trips out. This is a DX unit connected to a AHU coil. Its a master slave system. Can't seem to find any info whatsoever on it ..read more
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Hvac /mini split questions
Refrigeration-Engineer.com forums » Air Conditioning
by waheri3
3w ago
I am in the process of building a home theater/music room and before I go any further I need to figure out the cooling. I know the optimum way would be to run an AC unit with ducts and silencers and the whole nine yards but my budget will not allow for that. I was looking into mini splits but I had no idea how expensive they were when you have to have them installed. I was quoted from $3800 to $9800 for a 12,000 to 24,000 btu unit. The room is a little shy of 500 square feet total and there will also be an equipment room that is approximately 30 square feet and a bathroom that is approximately ..read more
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Mitsubishi Electric compatibility
Refrigeration-Engineer.com forums » Air Conditioning
by Ledoy
3w ago
Hi All Wondering if an outdoor 12kw system PUZ - m125vka would be compatible/work with a 10kw in PEA m100gaa? Thanks ..read more
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Daikin room thermostat extension sensor
Refrigeration-Engineer.com forums » Air Conditioning
by doorswing
1M ago
I want to fit a Daikin extended room sensor model KRCS01-4 to a ceiling void unit model FXSQ32M7V1B as the wall mount controller a BRC1D52 sensor is not controlling properly.Heat and cool modes work ok but on code 41 the thermostat is reading 4 degree different from my probe so its either too hot or cold. Does anyone know if dip switches on the ceiling void unit have to be changed and if so which ones to stop reading the temp from the BRC1D52 controller ..read more
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Hitachi air conditioning control with easyesp
Refrigeration-Engineer.com forums » Air Conditioning
by ramiroflor
1M ago
Hi, I have a Hitachi air conditioning that I would like to control with easyesp. the irremoteesp8266 library has been modified to allow control, but when I use easyesp with the latest version of the library, I cannot control my air conditioning. I think I must be using the wrong command, can someone help me on this? thank you ..read more
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LG accesories: ThinQ, SIMs and PLGMVW100
Refrigeration-Engineer.com forums » Air Conditioning
by gesi
1M ago
Good morning everyone LG have various accesories for their AC units. For example: LGMV WiFi SIMs 2.0 PSWMOZ3 ThinQ PWFMDD200 (LCW-005) LGMV model: PLGMVW100 They look the same but have various plugs. Did they have more this accesories? Can I use PWFMDD200 instead PLGMVW100 when I change only cable? Anyone know this accesories and thier destination? regards ..read more
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A/C HVAC advice ?
Refrigeration-Engineer.com forums » Air Conditioning
by waheri3
2M ago
We plan to replace our 3 ton A/C unit with a heat pump designed to work in conjunction with our oil burning furnace. The heat pump will be the principal heat source until the outside temperature drops to 30 degrees or so, at which point the oil burner will take over. We’ve received several estimates from HVAC companies, including American Air Systems and Gunstock HVAC. American Air Systems proposes a Bosch heat pump (model # BOVA 36HDN1-M18M) and Gunstock has proposed a Samsung unit (model SAMCCXH36UPB). Would appreciate feedback from anyone who has received services (including new installat ..read more
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Software HAIER MRV
Refrigeration-Engineer.com forums » Air Conditioning
by tecnoice
2M ago
Software HAIER MRV? or MIDEA? Thanks ..read more
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Javac Portable Lifter
Refrigeration-Engineer.com forums » Air Conditioning
by Northdude
2M ago
Just seeing if anyone has used one of these before? It states it can lift up to 130kg up to 3.8 metres. I need to lift 4 x 14kw outdoors up to 3 metres and just wondering if its worth paying the money for one. Anyone used them before? Thanks ..read more
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Daikin FXMQ Field Setting
Refrigeration-Engineer.com forums » Air Conditioning
by mchild
3M ago
I have an older VRV II-S system RXYMQ-M. There were four ducted FXSQ-M units connected and recently I replaced one air handler due to coil failure. The new air handler is FXMQ-TB. With this upgrade I added Nav controller BRC1E73. Now I have two Nav BRC1E71 controllers (one controls two FXSQ air handlers the other controls one FXSQ) and one 1E73 unit that controls the new FXMQ. I’m looking for the fan off field setting when thermo is off for the new FXMQ air handler. I have it set properly in heat mode (22-3-3) and I thought the correct off fan setting in cooling was 22-6-3, but the fan does n ..read more
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