Panasonic 8900 SH installation manual Troubleshooting, Building Experiences a Power Outage

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Series 8900SH Control Panel

Operation And Installation Manual

SECTION 10: TROUBLESHOOTING

THE BUILDING EXPERIENCES A POWER OUTAGE

In the case of a power outage, the control panel has two built-in rechargable batteries that will power the memory for 30 days, allowing the panel to continue where it left off when power is restored. However, the boilers will not run without electricity, and the building has lost the hosting system until power is restored. Please note that the batteries require 48 hours to trickle charge the first time the panel is turned on.

THE RED DISPLAY LED’S ARE OUT

First check the breaker that feeds the control panel.

Next, make sure the switch in the panel is "on”, and there is a good fuse in the fusestat. If there is a spare fuse in the panel enclosure, replace the fuse.

Pull the cover off the panel circuit board, and with a volt meter, check that there is between 9.8 and 10.5 VAC to the two “WALL XFMR” terminals (transformer terminals) on the control relay output terminal strip. If there is insufficient voltage, the power from the transformer to the circuit board has been lost. If you do have proper voltage, the control panel may be bad. Turn the panel off so the boilers will automatically revert to self control via their high limit controls and continue to supply the building with heat. Contact your TRIAD Service contractor or your TRIAD representative.

THE CONTROL PANEL IS RUNNING, AND THE BOILERS ARE RUNNING, BUT THE BUILDING IS TOO COLD

Use Code 23 to reset the Ratio Control slightly upwards.

THE CONTROL PANEL IS RUNNING, AND THE BOILERS ARE RUNNING, BUT THE BUILDING IS TOO HOT

Use Code 23 to reset the Ratio Control slightly downwards.

THE BUILDING IS TOO COLD AND YOU CANNOT IDENTIFY THE PROBLEM

Turn off the control panel by flipping the power switch off, allowing control of the system to be returned to the boilers. Then, set the boilers high limit controls at 160°F and increase or decrease as necessary. Call your TRIAD representative.

THE BOILERS ARE NOT OPERATING

First decide if the problem is with the boilers or the control panel by flipping the power switch off. The boilers should fire and maintain temperature through their own high limit controls. If not, the problem is with the boiler equipment. First check the power supply to the boilers at the breaker box. Next check the boiler fuel supply. If the problem is still not resolved, contact your TRIAD representative.

Section 10

Troubleshooting

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Contents Triad Boiler Systems, Inc Table of Contents Installation Procedures IntroductionKeypad with Entry Procedures Startup ProceduresOperation And Installation Manual Wiring Diagram Outdoor and Return Water Line Sensors Series 8900SH Specifications CPUGlossary Limited Five -YEAR Full Term Warranty Sequence of Operation Operation And Installation Manual Entry Codes This code starts the sequence for the 60 codes50-57 Worksheet For Code Settings Code Function SettingsSensor Calibration CalibrationOperation And Installation Manual Sensor Troubleshooting General TroubleshootingMonitoring Codes Code DisplayOther Important Items Error Codes Display ExplanationPage Entry Code 21 Outside Temperature Shutdown Setting Entry Code DetailsEntry Code 22 Minimum Return Water Temperature Setting Enter Your ChoiceEntry Code 24 Rate of Change Factor Entry Code 26 Number of Boilers to be ControlledEntry Code 28 Outside Design Temperature Setting Entry Code 30 37 Water Temperature Setback Schedules = 600 AM, 5F Setback = 600 AM, 0F SetbackEntry Code 40 42 Stage /RELAY /BOILER Activation on Press = Save KEY, to have Boilers 9 Through 12 Entered Entry Code 62 System Mode Entry Code 61 Keyboard Lock Unlock PressEntry Code 63 Manual Override of Boiler Stages Entry Code 65 Manual Override of the System Primary Pump Entry Code 66 Setback on / OFF PressEntry Code 67 24 Hour Clock Hour and Minute Entry Code 68 DAY of the Week and Date of the MonthEntry Code 69 Month and Year Entry Code 81 Setback Override Fine Tuning the Heating System Codes 30 toOperation And Installation Manual Troubleshooting Building Experiences a Power OutageControl Panel will not Accept Entries

8900 SH specifications

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