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Adjust by-pass, continued:
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Enable ”ON/OFF AHU 1” in terminal row connection.
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to goto ”Adjust By-pass” screen.
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Loosen the by-pass.
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to start the system, if it dosn’t start to reset alarms.
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to edit.
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or until ”Yes”.
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Adjust the by-pass slowly CW until setpoint is reached, tile limit 30 sec.
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or until ”No” or wait until it automaticly returns to ”No”.
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to exit edit.
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Lock by-pass position.
Adjust By-Pass
Adjust By-Pass Yes
Pressure, Bar XX.X
Adjust By-Pass locknut
Flow test:
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or to goto ”Flow Test & Setup” screen.
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to edit.
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or until ”Test” is ”Duct 1.1.” for testing duct 1 valve 1.
Flow Test & Setup
Test Duct X.X Yes
Hysteresis, Hz XX.X
Inverter Freq, Hz XX.X
LowFlow Installed Yes
Alarm Delay, Sec. XX
Alarm On
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to goto ”No”.
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or until ”Yes”, test time 1 min. when the test is done ”Yes” returns to ”No”, flow value is
automaticly stored.
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If pump speed stay on max. speed during the hole flow test - check for leakage.
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If the pump speed isn’t stable at the end of the flow test - run the test again.
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Run the flow test for all active AHU/ducts and valves.
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If LowFlow kit is installed, run flow test for zone ”LowFlow”.
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to exit edit.
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Redo flow test as last thing before ending commessioning.
AHU startup, one AHU at
the time:
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Goto ”AHU Overview” screen.
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If running 0-100 % control signal ”0-100%”.
- Get a control signal > 10 %, >1 V DC.
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If running Room control ”Room %RH”.
- Adjust ”Room %RH” setpoint > actual %RH.
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Enable ”ON/OFF AHU” for the actual AHU.
< AHU Overview >
°-1- °-2- °-3-
Step X X X
Control % XXX XXX XXX
Room %RH XXX XXX XXX
Setpoint XX XX XX
Duct %RH XXX XXX XXX
Setpoint XX XX XX
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Check:
- Leakage.
- It’s the right AHU and valve spraying.
- Sensor location.
- Does it reach setpoint and step down.
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Leave AHU with final setting.
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Repeat AHU check for next AHU.
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Check supply water pressure, and inverter amps with all AHU’s on step 7.
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Fill out AirtecCare checklist.
201218