Type: Posts; User: moe-air
Went back to work for the MAN, doing commercial where I started out at. Resi. on the side.
bgdave1, If you are still looking for a professional, E-mail is in my profile.
looks like gas pipe in way of service panel, oh well the disconnect is even worse.
54530 836 CES DMAFB 1990- 1992
Yes, e-mail me.
The LM24 did fail due to metal shavings stuck between the rotor and the stator. The battery thing only works sometimes to clear this problem. I had 7 ALC vav controllers 25' off of the floor. The...
do you mean z540v or looking for T- cards modules?
in short, when your facility kw meter reaches a certain point and your zones will increase their setpoints which will reduce the load.
try putting a air temp sensor in the return section, set at a reasonable temp to keep coils from freezing. wire it in to cut out compressor only not blower. you will still be moving air just not as...
try switching the #1 cpcs board with another known good board. See if problem follows. or try what jrbeny suggest.
need any z540v? Have about 10.
did tech do a leak check, and repair leak or just charged? if only charged then you possibly have a leak
how about weighing in the charge? if data is available
you need to call out a/c company who installed your new unit.
actuator is set up for direct acting, humidity sensor fine as i compared with its sister unit. also sister unit has same parameter...
model sxhg....... economizer open 100% outside air is 99.6*, enthalpy 25 btu/hr. setpoint is to enable econo when enthlpy below 19 btu/hr. getting 10vdc at module plug. temporarily disconnected to...
title 24 california energy efficiency standards code.
section 3.2.2 design hvac system. loads and cfm calculation states " acca manual j load calculation or equivalent required". ...
need pressure readings, could be non condensibles or compressor not to sure without more info.
wow a 775 sqft house in Houston with properly sized 2 tons of cooling. some in here would think thats...
bald loonie. not an installer or engineer.i'm in service. thousands of homes like this in cali. are you saying these home installers don't use manual j or using cheap insulation material.no...
in cali, typical 2800 sqft tract home has 4 or more tons. my home is 2917 with a 5 ton bryant. previous home was 1711 with a 4 ton trane. newer homes have 2 units for each floor....
3.5 tons for 2800 sqft is undersized. do you have 2 units or 1.
to all. why mis-match ahu with a 10 yr old condenser? the crankcase heater is the first to come and go, what's next?
possibly blown control board fuse, fried transformer or fan center.
multiple things come to mind. need to call hvac co. back out. you should have replaced entire system if 10 years old.
if TXV use SC if piston type use SH. use manufacturers specs for correct numbers. does HO have unit serviced yearly. freon is lost every time gauges put on although minimal. could explain for leak...