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Building Controls Contractor in search of Distech / Niagra Programmer DFW Area. Great Company, Lots of Work

All great Info, we are running into the same situation with the DM550 and RSAIII, the RSAIII is a Modbus Master, we have not found a solution, any suggestions would be greatly appriciated

I'm new to the Reliable world old (Alerton Guy) is there anyway to add multiple devices to the database off line, vice single create device entries?

Hi Gents, just moved from Alerton to Reliable Controls. So I'm trying to get my bearings on the functionality of the RC Studio program. My question is is there a repet function that allows the...

Gents, just new to Reliable Controls / RC Studio, (a previous Alerton man) I wondering what tools (software, i.e. excel / paintshop etc.. ) you are using to accomplish your Engineering or to make...

Seeking HVAC Controls Technician / Project Manager willing to travel, Must have BACnet experience, Alerton knowledge is a plus. Main Office Located in Dallas Texas

Gents, Working on my first AAON VFD Drive Scroll Compressor, start up.

VFD=Yaskawa Z100 rated at 77amps
Compressor = Bitzer 380 Vac

Problem; The VFD Drive faults in a oL2 (Drive Overload)...

KW anyway to get this link updated? I'm in dire need

Gents I just got handed a job where we are controlling Radient Floor Heating. My question what type of floor sensors should I use? Do I need a well or do they just lay in the floor? Should I add...

Any one ever have the chance to work with the old zbox'es? Like to get some info on them and the pneumatic control system

78.6

The control system is Alerton.

The Chillers use a York talk to Microtalk Bacnet interface. We are connected to the Microtalk using MS/TP and have the MS/TP working (see topic: major comm problem...

The troubleshooting went like this.

There are two chillers with microtalk bacnet interface we connected the ms/tp device to device in a parellel format but not branched. MS/TP shield tied...

The problem is trying to get the chiller to talk on the ms/tp without a router. I have 72 total devices on the network, the leg that the chiller is on I have used a repeter and the total number of...

Thanks all for your advise, The fix however was to ground the Comm at the Microtalk Bacnet connection and at the router. Its not normal comm but it works.

Now the problem is trying to get the...

History: Bacnet Control project on new construction school, Alerton Controls to interface with York Chiller. All control wiring in conduit, seperate from high voltage.

York chiller setup with...

Thanks

Kempdog sends

Does any one have a copy of the Belimo Valve Sizing and Selection Tool (US ) Version? I found one for the euro market and the Belimo web page says that the tool is under construction, hoping to get...

Is the Siemens/Apogee a true BACNET system?

Background: We are working on a Hospital Operating Room
renovation project, the specifications call for the replacement of the supply
VAV for each of the OR’s. The original return VAV's have not...

any of you have lighting graphics, you'd like to share?

respectfully bob kempsell

Thanks I have the application info ie 2054 and 2032, what I'm looking for now is the front end users stuff

Appogee info ???? anything

Does any one have a siemans control manual? Operator Manual? DDC Manual? anything? working on intergrating siemans devices with bacnet and would like to know how they work before I switch them...

Anyone using Visio Logic for programing?

we use the Alerton system. If so I'm tring to write a stencil for cfm.
The equations are

CFM=V * A

CFM Cubic Feet Per Minuite
V (Velocity)=...

I believe alerton will sell it to you, You'll need there key to make it work, so I don't believe a copy would work. Additionally several versions have been updated since the 1.1

what are you trying to do with it? Looks like a heat/cool programable with night setback and lcd indicator, you should be able to replace it with any 019b series stat. I have a tech manual on the...

United States Navy 1981-2002 AEC, HS-75, HSL-94, NAS Glenview, NAS Moffett Field, VF-201, VFA-201. Miss it every day.

Trane RTU MD# YCD180B4LFDE

OAT=95 IAT= 75

Cir#1
Suction Pressure=62
Suction Temp=35.6
Suction Line Temp =60
Liquid Pressure=276

Humidity

had an ICP gni080a012ain, 1992 model that after performing several test and combustion analysis plus flame stick test like you mentioned, with the same results breached heat exchanger. I believe the...

That's Funny !!!!!!

sounds to me like there is a high resistance short to ground on the 120 side robing the transformer. Or pwr on the ground from another circuit. Secure the outside unit at the c/b box and start...

how abot a wood stove?

Ever think we get so many Goodman / Janitrol calls cause there so many installed all over the country. I'd like to know by volume what mfg sells the most equipment. I'd bet the consumer will pay...

Noticed that there where no proud texans in the lot so here I am Fort Worth Texas

sounds like mabey yor fan speed is mis configured have the install crew check it

There are several other indicators that restricted air flow is a problem.

1. Is the indoor coil icing over?
2. excessive drainage / excessive water
3. What was the technicians presures / SH...

Any chance that you have a moisture switch or a secoundary drip pan float switch? If so that will mess up things

R12 Rules, clearly the best post on this site, have it in my office. All new guys must read

you could do that but I would clean the IDB blower assy first and make sure there were no other ristrictions in the air flow system