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Type: Posts; User: jeffcolledge

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  1. Replies
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    My suggestion: bring the person that smells the...

    My suggestion: bring the person that smells the gas outside. Crack a union, slightly and have them take a whiff, make sure it's gas that he/she actually smells. It's a little unoethodox, but if...
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    theres is also a chance that the pilot is weak...

    theres is also a chance that the pilot is weak and not reaching the burner when when the valve energizes.
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    Any licensed refrigeration mechanic can do it,...

    Any licensed refrigeration mechanic can do it, they teach us how to wire a freezer in trade school. The only tricky part I found was trying to keep the "evap fan off when the door is open" feature. ...
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    Those microprocessors are expensive and...

    Those microprocessors are expensive and cheap...if you know what I mean. They will work for about a year or so, then start doing the same thing. I've had the same problem in the past, where the...
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    I'm not sure if it was a koldpak, but I got to...

    I'm not sure if it was a koldpak, but I got to cut one out once on a Saturday night emergency service call once. It was leaking and tightening it only meant I'd be fixing it again. The freezer was...
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    try the residential forum, you may have better...

    try the residential forum, you may have better luck.
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    That was the only conclusion I could come up with...

    That was the only conclusion I could come up with too. It's just strange that BOTH circuits are doing it. I'll pump one down, replace the drier, evacuate and test again. Thanks for the input guys.
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    The system is a 50 ton refer unit with r22. Each...

    The system is a 50 ton refer unit with r22. Each circuit is independent with 25hp semis. Both have sight glasses that are flashing. Both have 15F subcooling. How is this possible? I took the...
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    Just a thought...Is the new motor a condenser fan...

    Just a thought...Is the new motor a condenser fan motor? Sometimes they will have all the same data, but will overheat as they are an "air-over" motor. This meaning that they use the air drawn...
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    hey Dave.. I appreciate your insight on this...

    hey Dave..
    I appreciate your insight on this subject. No worries though, I never once took anything he said to be factual. You're obviously well trained in this trade and I think everyone who...
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    My GUESS is: the nickel is worn off of the evap...

    My GUESS is: the nickel is worn off of the evap and the ice is sticking to it during harvest.
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    Thanks guys...and er ..uh "2 seasons employed"...

    Thanks guys...and er ..uh "2 seasons employed" for your responses!
    I installed the unit today and used 404, almost a full jug!
    It is working great. I'm going to check on it tomorrow just to...
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    Hey Lusker...thanks for the reply The compressor...

    Hey Lusker...thanks for the reply
    The compressor comes with POE oil in it already. The unit has all the bells and whistles for low ambient capacity control too. I was just curious what some guys...
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    I'm installing a new air cooled 5hp outdoor...

    I'm installing a new air cooled 5hp outdoor condensong unit with capacity control tomorrow. It was originally a water-cooled 3hp unit, that had R408 dropped into it about 4 years ago. The condenser...
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    looks like a 5-ton armstrong, i think the 15 is...

    looks like a 5-ton armstrong, i think the 15 is actually 150, indicating the heating capacity in btu's
  16. Thread: BC Wages

    by jeffcolledge
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    858

    I know we're not supposed to ask about...

    I know we're not supposed to ask about wages...but I'm curious if the wages in BC are comparable to Ontario. Could someone please give me a link to a website, I'm having trouble finding the info. ...
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    Ok, so you think after defrost, the system is...

    Ok, so you think after defrost, the system is flooding liquid, washing out the oil and failing on oil pressure? That makes sense to me, except the high discharge temp. Could you explain that one?...
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    They only run the blast in critical times, like...

    They only run the blast in critical times, like this, it rarely runs. Sometimes when they are doing a lot of production and they are in and out of it, they will run it too. They have a temp....
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    Well, he said they were both tripped all three...

    Well, he said they were both tripped all three times and they were both tripped today. I got to believe it's an oil problem and not a compressor problem at this point. I'm thinking piping may be a...
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    Ice... Thanks for the reply... Pumpdown lpc...

    Ice...
    Thanks for the reply...

    Pumpdown lpc are working.
    Contactors are good, oil failure is 240 volt, inseries with coil, compressor is 600volt
    Watched both compressors for 3 hours, with a...
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    Two carlyle 06d compressors twinned together with...

    Two carlyle 06d compressors twinned together with a common oil line between them. The application is a walk-in freezer maintaining below 0F using R507 & POE oil. Thermostat/defrost control is a...
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    There are two 3000lb Maja units and one 3000lb...

    There are two 3000lb Maja units and one 3000lb Howe I was told they were 25 hp, the model # are 06ey450-140. I'ts working great now with both of them working. Thanks for the input!
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    Why are you replacing it? I've pulled them out...

    Why are you replacing it? I've pulled them out and repaired leaks, replaced motors and cleaned them before.
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    Wow R12, I think you covered all the bases! The...

    Wow R12, I think you covered all the bases! The only thing I could add to that is...are you sure the time clock is working? Set it to the exact time next time you're there, and come back again at...
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    Yeah, it makes 9000lbs/day!

    Yeah, it makes 9000lbs/day!
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    System has both. I think you're right...I'll...

    System has both. I think you're right...I'll centre my attention there and make appropriate adjustments...thanks for the input.
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    I didn't use a pump, I used the compressor to...

    I didn't use a pump, I used the compressor to pump liquid from the rec. into the suc header. The pressure was about 210psi (R507) in the rec. , so I figured if I could raise my suction and give the...
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    I was working on a ice making system today. I...

    I was working on a ice making system today. I had to change out one of the two carlyle 06ey450 compressors. I pumped down the system using all three liquid line hand valves (very old). These...
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    Freezeking is on the money....... You never...

    Freezeking is on the money.......
    You never mentioned the condensing units. I seriously doubt you have "outdoor" units, as they are currently indoors. That may be where the bulk of the parts cost...
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    Does it pump? With that current draw, it seems as...

    Does it pump? With that current draw, it seems as though it's seized.
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    Is the drain plugged?

    Is the drain plugged?
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    Nothing like blowing your own horn Scott!

    Nothing like blowing your own horn Scott!
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    What's wrong with the coil? If its leaking, cut...

    What's wrong with the coil?
    If its leaking, cut out the area where it's leaking and temporarily fix it until a new one can be installed.
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    So the need for capacity control is unnecessary,...

    So the need for capacity control is unnecessary, like fan cycle contol?
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    Originally posted by seaboard [B] I...

    [QUOTE]Originally posted by seaboard
    [B]

    I agree...I said a dirty condenser wouldn't raise the subcooling, and that the md would stack the ref, increasing the subcooling.
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    Thanks guys, I ran the risk of looking stupid...

    Thanks guys, I ran the risk of looking stupid with this thread, but you guys seem to understand my frustration. I appreciate your input.
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    Right...I forgot! go to the chat room

    Right...I forgot!
    go to the chat room
  38. Replies
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    Well, 295 with 100F amb isn't too bad I guess,...

    Well, 295 with 100F amb isn't too bad I guess, what is the problem, is it not cooling or is it still over-amping?
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    How is the blower running if the contacts aren't...

    How is the blower running if the contacts aren't pulled in?
    You said it ran for 10 minutes, what did, both stages of cooling?
    Check your therostat LED is it green or yellow? Green is 1st stage,...
  40. Replies
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    What is your temp rise across the condenser?

    What is your temp rise across the condenser?
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    I just installed some 10 ton Carrier rooftop...

    I just installed some 10 ton Carrier rooftop units with econimisers. The econ. comes factory adjusted to 15% minimum position...my ass, the thing is completely closed on all 3 units! I talked to...
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    I went to trade school in the GTA! (Actually...

    I went to trade school in the GTA! (Actually Hamilton, but it's close enough)
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    A plugged md will not drive up the head pressure,...

    A plugged md will not drive up the head pressure, it's just like pumping down the system into the condenser.
    Also, a dirty condenser will not increase your subcooling, if anything it will decrease...
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    Cynic: The exhaust blower on the ERV is designed...

    Cynic:
    The exhaust blower on the ERV is designed to remove about 20% more air than the supply blower can deliver. So, yes, there is a slight negative in the space. My concern is when the econ....
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    It's an ERV2000 cfm. It's joined to a 10-ton...

    It's an ERV2000 cfm. It's joined to a 10-ton Carrier brand new unit, can't remember the m#. It's used in a restaurant in a closed off smoking section for ventilation.
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    I recently installed 4 rooftop units at an...

    I recently installed 4 rooftop units at an account of mine. All came with economisers. One unit is tied to an energy recovery ventilator. Most systems I've seen in the past use the external duct...
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    The biggerst difference between the two is blower...

    The biggerst difference between the two is blower cfm. On a rooftop, the blower is designed to drive enough air across the coil to achieve 18-20F temp drop. On a mau, the temp drop is more like...
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    I agree with baub. May I ask just one...

    I agree with baub. May I ask just one question...what is the point of having a LLS the way the system is currently wired?
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    What does the fan blade look like? Are you sure...

    What does the fan blade look like? Are you sure it's wired properly? Check your capacitor, for proper uf. Also, whats is the voltage? Is it within 10% of the rated on the nameplate? I wouldn't...
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    Ahhhh...the first few years of apprenticeship, oh...

    Ahhhh...the first few years of apprenticeship, oh the memories! Fin straightening is nothing, wait until you have to powerwash 35 5-ton rooftop units with one hose bib and one electrical outlet in a...
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