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 | "sure youre right! " , posted Wed 12 Nov 02:57:
Present yourself with respect and i am sure they will treat you accordingly...you probably are one of those from the gay alligator site that copied their education forum content from their spy m ... read more |
Hvac-pro
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| "Using a thermostat Lux TX1500 " , posted Wed 12 Nov 01:42
I have my thermostat Lux TX1500's override function set to be 72 F during the day and 65 F at night. The override function still doesn't seem to be working. I am not sure about the automatic/ progra ... read more |
clavie
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| "Lennox furnace (old) beeps " , posted Tue 11 Nov 01:48
The store my friend and I are renting has an old Lennox furnace (gh6d-80c-1). The service has been off since the previous tenant left in May. We're going to open for business in a week or so, and just ... read more |
tanah
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Replies (1)
Re(1):Lennox furnace (old) beeps - wingnut_2u
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| "Lennox furnace fan not working " , posted Sun 9 Nov 18:48
We have a Lennox G23 furnace with a Honeywell thermostat. Today, the fan stopped working. It took awhile to figure out it was the fan and not something funky with the thermostat, but pretty sure now ... read more |
colbey
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Replies (1)
Re(1):Lennox furnace fan not working - Jojo98
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| "Leaking carrier package units " , posted Sat 8 Nov 15:47
I work at a private school. On our middle school we have some 2 1/2 ton carrie package units. Recently a couple of the units started leaking water down the supply and return ducts into the class room. ... read more |
ohheck
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Replies (1)
Re(1):Leaking carrier package units - Schock Therapy
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 | "fan runs continuously " , posted Fri 7 Nov 14:27
I have a Lennox vr800c1190 forced air furnace. the fan does not shut off after the plenum has cooled down, i have already replaced the fan switch but the fan continues to run. Any ideas? ... read more |
diggler
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Replies (1)
Re(1):fan runs continuously - harpo
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| "3 Phase Hermetic " , posted Wed 5 Nov 18:06
Hi, I just obtained a heat pump for a pool that has a 480V compressor in it. It is a Trane GP673-LM4-GB. Does Phase rotation matter on this unit? How would I know if it is running backwards or does th ... read more |
vhr$
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Replies (2)
Re(1):3 Phase Hermetic - harpo
Re(1):3 Phase Hermetic - Schock Therapy
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| "Air Conditioning in indoor pools " , posted Wed 5 Nov 05:24
What are the differences in design of air conditioning system in indoor pools and water-fun parks? ... read more |
Galin
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Replies (1)
Re(1):Air Conditioning in indoor pools - harpo
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| "approach......... " , posted Sun 2 Nov 13:59
hi guyz....can you explain what is co-relation between condenser and evaporator approach.....thanks to all... ... read more |
juan_tambay
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Replies (1)
Re(1):approach......... - Jojo98
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| "York Rooftop " , posted Thu 30 Oct 08:34
#9 Fault reads Ignition control lockout/ignition control failure /Limit switch trip/ . This fault comes up in cooling also. York tech says the safties are monitored at all times in these units. Recom ... read more |
suretempchris
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| "York Rooftop " , posted Thu 30 Oct 08:34
#9 Fault reads Ignition control lockout/ignition control failure /Limit switch trip/ . This fault comes up in cooling also. York tech says the safties are monitored at all times in these units. Recom ... read more |
suretempchris
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Replies (2)
Re(1):York Rooftop - Jojo98
Re(2):York Rooftop - suretempchris
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| "Repalcing Thermostat " , posted Wed 29 Oct 14:52
I'm replacing a Janitrol HPT18-60 thermostat and all I need to know is does the Orange Wire goes on the reverse heating or reverse coolingon the new Heat Pump thermostat? ... read more |
ikegreg40906
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Replies (3)
Re(1):Repalcing Thermostat - Jojo98
Re(1):Repalcing Thermostat - Jojo98
Re(2):Repalcing Thermostat - Houston204
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| "refrigeration " , posted Wed 29 Oct 13:04
i have a cold food storage and it cant keep it at 40 degrees. What should the pressures be if the case is at 45 degrees and what should the low ambient temp control be set at to keep it at 38 degrees ... read more |
sikracr
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Replies (2)
Re(1):refrigeration - suretempchris
Re(1):refrigeration - Jojo98
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| "Fault York Rooftop " , posted Wed 29 Oct 11:21
I'm having a constant(periodic) code 9 fault On a york 5Ton rooftop. 1 year old. This is a heat fault that even occurs in cooling. York is aware of this problem but seems unable to solve. Have changed ... read more |
suretempchris
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Replies (1)
Jojo98 - Jojo98
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| "liebert t-stat pass code " , posted Mon 27 Oct 19:11
Subcontractor installed ceiling hung unit in mri room before I was there well this liebert tstat needs a passcode 3 numbers,to change temp settings anyone know if there is a generic override code or h ... read more |
bigglenn357
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Replies (2)
Re(1):liebert t-stat pass code - bigglenn357
Re(1):liebert t-stat pass code - hvacben
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| "Trane UPCM edit software " , posted Sat 25 Oct 20:14
Hello - I've been trying to track down Trane's PCM edit and UPCM edit software and manuals. If anyone can help me out with this, I'd very much appreciate it. ... read more |
jcp_ny
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| "Service Work " , posted Fri 24 Oct 11:52
Hello, Our service department has a few of new salesmen(who are new to our trade). Can Anyone out suggest ideas I could give them so they can stimulate more SERVICE WORK in this weak ... read more |
mrtecknical
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Replies (1)
Re(1):Service Work - Schock Therapy
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| "York Rooftop " , posted Thu 23 Oct 09:48
I am just getting into rooftop units repair, working on a York, M/N DM090N15P2AAA4A and was tring to find some unit specific info , as well some general rooftop info regarding the Heat / Cool / Econo ... read more |
problems
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Replies (3)
Re(1):York Rooftop - suretempchris
Re(2):York Rooftop - problems
Re(1):York Rooftop - Jojo98
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| "Walk-in freezer w/Larkin heat exchanger?? " , posted Wed 22 Oct 22:42
I've got a walk-in freezer with 502 that when I showed up was going off on low pressure limit. Hi was 150psi and low was below 10psi(limit). I charged to 175 hi and 16 low. I ran fine for about 45m ... read more |
ConAir
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Replies (3)
Re(1):Walk-in freezer w/Larkin heat exchanger - Schock Therapy
Re(2):Walk-in freezer w/Larkin heat exchanger - ConAir
Re(3):Walk-in freezer w/Larkin heat exchanger - Schock Therapy
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| "liebert " , posted Tue 21 Oct 23:11:
any liebert guys out there know what would cause a loss of power alarm? ... read more |
lite
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Replies (3)
Re(1):liebert - Silvertop
Re(1):liebert - Jojo98
Re(1):liebert - Schock Therapy
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| "r-414 vs r-134 " , posted Tue 21 Oct 13:08
Hey guys, I've got a question for all you experts, I have two fridges, both same cabinet size and both with the same compressor ( Tecumseh AEA-4430YXA ) the only difference is that one is running on ... read more |
Lancelot
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Replies (1)
Re(1):r-414 vs r-134 - Jojo98
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| "Keeprite DC90 - High Limit Switch Bypassed " , posted Fri 17 Oct 13:21
My furnace would not start in March of 2008. I called a technician, he came out and he said the high limit switch was gone. He did not have a part. He bypassed the high limit and said a someone would ... read more |
lth
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Replies (1)
Re(1):Keeprite DC90 - High Limit Switch Bypas - Schock Therapy
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| "If wrong compressor hooked up? " , posted Thu 16 Oct 18:55
If someone where to hook up a R22 compressor to a R12 system would that cause the expansion valves to go bad? ... read more |
renogaslamp
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Replies (3)
Re(1):If wrong compressor hooked up? - renogaslamp
Re(1):If wrong compressor hooked up? - Jojo98
Re(1):If wrong compressor hooked up? - theduke03
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| "HvacrTalk.com Forum " , posted Wed 15 Oct 20:56
HvacrTalk.com Welcomes New Hvacr Members in the Hvacr Trade...A Fun Forum and a Great Directory & Resource site, For Contractor's, Tech's, Engineers, Consumers, Hvac Job seekers and posters, onlin ... read more |
Hvac-pro
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| "Blower problems on Twinned furnaces!!! " , posted Sun 12 Oct 15:42
There are two furnaces twinned together using a one common return. I have replace motor bracket because it broke new motor and squ cage . and it seems like every three months something is vibrating ca ... read more |
JDP
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| "cannot maint. room temp. & chiller tripped " , posted Fri 10 Oct 10:49
I need help on the following problems for our chiller system1. there are 3 rooms, 1 big room cannot maint required temp2. when all 3 rooms on for a while, the chiller sometime trip and hot a ... read more |
chriswong
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Replies (2)
Re(1):cannot maint. room temp. & chiller trip - harpo
Re(1):cannot maint. room temp. & chiller trip - Jojo98
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| "800TR CVHE water cooled trane chiller manual " , posted Tue 7 Oct 16:45
hi guys,i need a manual of 800TR CVHE water cooled trane chiller ..thank you very much.... ... read more |
juan_tambay
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Replies (1)
Re(1):800TR CVHE water cooled trane chiller m - Jojo98
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| "high evaporator approach " , posted Tue 7 Oct 14:31
hi guys,please help me on my problem regarding high evaporator approach of chiller.the unit is 800TR CVHE watercooled trane chiller.this unit only done overhauling almost 2 weeks. evaporator approach ... read more |
juan_tambay
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Replies (3)
Re(1):high evaporator approach - chiller guy
Re(1):high evaporator approach - juan_tambay
Re(1):high evaporator approach - chiller guy
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| "Walk-in freezer shut-off switch for inventory " , posted Wed 1 Oct 09:37
I cannot remember which 2 wires to run to a shut-off switch.I have three. I only whant to shut down the inside so it does not freeze up on me. I need to make sure my timer does not shut off. ... read more |
cookieshoppe5
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Replies (2)
Re(1):Walk-in freezer shut-off switch for inv - Schock Therapy
Re(1):Walk-in freezer shut-off switch for inv - Jojo98
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| "Humidity problem " , posted Wed 1 Oct 08:02
Hey guys, how you all 'doin? I have a question for all you experts in the field, I have a commercial fridge and the temperature is fine and stable, I have an average of 5 degres celcius in an 18 hours ... read more |
Lancelot
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Replies (3)
Re(1):Humidity problem - Schock Therapy
Re(2):Humidity problem - Lancelot
Re(2):Humidity problem - Lancelot
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| "Boiler " , posted Sat 27 Sep 23:13
I was wondering why some boilers have a low water cut-off and some don't can you help ... read more |
smythers1968
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Replies (2)
Re(1):Boiler - midwayice
Re(1):Boiler - kevink
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| "help - neighbor installing 300 ton cooler " , posted Sat 20 Sep 14:00
Hello - I live in downtown NY and my bedroom window is 1 story above the neighboring building which is being converted to a retail dept. store. As such, they are installing a 300 ton Evapco water tow ... read more |
Jaut
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Replies (6)
Re(1):help - neighbor installing 300 ton cool - harpo
Re(1):help - neighbor installing 300 ton cool - Jojo98
Re(1):help - neighbor installing 300 ton cool - Jaut
Re(1):help - neighbor installing 300 ton cool - Freezone12
Re(2):help - neighbor installing 300 ton cool - Jaut
read more
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| "Just to make sure " , posted Thu 18 Sep 09:21
Hi everyone, I was wondering what symptoms does a oversized compressor on a unit gives you? I have a 9000 btu water cooled unit and someone installed a 2 tons compressor in it. Both compressor and wat ... read more |
Lancelot
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Replies (4)
Re(1):Just to make sure - Jojo98
Re(2):Just to make sure - Lancelot
Re(3):Just to make sure - Schock Therapy
Re(4):Just to make sure - Lancelot
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| "LF24 Unit heater " , posted Tue 16 Sep 21:44
I have a LF24 unit heater and its not proving the pressure switch. The inducer housing and port is clean. Inducer is pulling 1.5 wc to the switch. Amps on the inducer is .65aac. Has anyone ran into th ... read more |
hvactechin
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Replies (0)
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| "tstat help " , posted Tue 16 Sep 13:41
Anyone know of a low voltage (24v) thermostat that is made for outdoor all weather conditions. I have a furnace that heats a car wash and only stats I can locate are 120v and they don't last more then ... read more |
dsvbohica
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Replies (3)
Re(1):tstat help - hvactechin
Re(1):tstat help - amech
Re(2):tstat help - Schock Therapy
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| "please, i need a electrical wiring diagram " , posted Tue 16 Sep 11:52
i need an electrical wiring diagram for unit GEVB15031A0A20BFD000000200000000000serial number W03E16101 ... read more |
sokopono
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Replies (1)
Re(1):please, i need a electrical wiring diag - Jojo98
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| "System temp stuck at 77 " , posted Wed 10 Sep 21:33
I have an office with a 3.5 ton system (Rheem condenser R-22) which is just under 2 years old and capillary tube air handler. It has worked fine since being installed until two weeks ago. Since the ... read more |
sanmb
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Replies (2)
Re(1):System temp stuck at 77 - hitch54
Re(1):System temp stuck at 77 - Jojo98
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| "Rheem/Rudd rooftop " , posted Fri 29 Aug 14:24:
Ok i am a first time poster here. I have a Rheem/Rudd rooftop unit. Model RMKA A060JL10E. When calling for cooling everything comes on properly. The pressures are about 45 over 180 and outside temp is ... read more |
sikracr
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Replies (5)
downloadable cd shop Adobe Illustrator 10 sof - FancyYork
Re(1):Rheem/Rudd rooftop - Trane gang
Re(1):Rheem/Rudd rooftop - SJW
Re(1):Rheem/Rudd rooftop - Jojo98
Re(2):Rheem/Rudd rooftop - sikracr
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 | "return air duct " , posted Fri 29 Aug 11:17:
i need someone to let me know if there is a code in washington dc that allows you to not have to put lining inside the return duct. I have a situation where the owner of the space is telling me that i ... read more |
hvac help
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Replies (2)
Re(1):return air duct - Cx-it
Re(1):return air duct - amech
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| "No Power to Thermostat " , posted Thu 28 Aug 21:15
I recently tried to upgrade my thermostat and when I hooked the new one up it stayed on for about five seconds then shut off. I put the old one back on and still no power. I looked for a fuse inside m ... read more |
jgmanley
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Replies (3)
Re(1):No Power to Thermostat - Jojo98
Re(2):No Power to Thermostat - jgmanley
Re(3):No Power to Thermostat - Houston204
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| "Honeywell Wiring Assitance Needed " , posted Wed 27 Aug 22:34
Hello all, thank you for your help in advance. I am upgrading my Honeywell CT3500 to a Honeywell RTH7500. I took the CT3500 off the wall and there were 7 connections active:R, RC, O, W, Y, G, ... read more |
arghh
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Replies (2)
Re(1):Honeywell Wiring Assitance Needed - harpo
Re(1):Honeywell Wiring Assitance Needed - theduke03
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