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  5. User's Manual And Troubleshooting Manual

ECR International 95M-200 User's Manual And Troubleshooting Manual

Manual is about: GAS-FIRED DIRECT VENT MODULATING HOT WATER BOILER

Summary of 95M-200

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    Control manu al and troubleshooting guide 95m-200 gas-fired direct vent modulating hot water boiler p/n 240006104, rev. B [06/08] do not destroy these instructions!! Please read carefully and keep in a safe place for future reference. Important: installation must comply with local requirements and w...

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    3 control manual and operating instructions printed in usa • made in usa 95-200m gas fired direct vent modulating hot water boiler keep this manual near boiler and retain for future reference. Table of contents i - safety symbols and warnings the following defined symbols are used throughout this ma...

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    4 dhw heating: • target temperature is determined by adding parameter 1 to parameter 33 (default 150°f and 30°f). Do not change parameter 1 from the factory de - fault setting of 150°f unless the application is specially engineered for other temperature. Dhw heating default setting is 180°f. High li...

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    5 freeze protection do not install the boiler in a room likely to freeze. Note: the following integral feature of the boiler control pro - vides some protection for the boiler only, not for the system. The control module provides freeze-up protection as follows when the boiler water temperature drop...

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    6 iii - modulating control features boiler control design the integrated modulating boiler control is designed for cen - tral heating (ch) hot water boilers with modulating fan and gas-air control. Options for domestic hot water (dhw) and outdoor reset are available. Modulation is based upon data re...

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    7 when a summer/winter switch is used, closing the • switch will disable the boiler (space heating) circu - lator during summer operation. Outdoor sensor not installed: • setting is the target temperature at all times. Press the “store” button to save the setting. C. Check dhw operation setup note: ...

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    8 iv - boiler startup raise dhw aquastat above tank temperature to call for heat. 4. [5150] • blower/dhw circulator on. Blower and dhw cir - culator energize and control checks for air flow. [1150] • prepurge. Blower speed will increase to ignition speed. The blower will run in prepurge for 10 secon...

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    9 v - checkout procedures and adjustments verify sequence of operation a detailed sequence of operation containing potential faults can be found in sections vii, “detailed sequence of opera - tion.” refer to this section and section xviii, “service hints,” for more information. Inspect venting and a...

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    10 v - checkout procedures and adjustments drill a ½” hole in the plastic cpvc vent pipe or exhaust 2. Tee, just large enough to allow access for the sample probe of your combustion analyzer. Turn the thermostat to the closed position so the appli - 3. Ance is activated. Set appliance to high fire m...

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    11 v - checkout procedures and adjustments pressure guidelines fan speed minimum rpm maximum rpm fuel natural gas lp natural gas lp gas line inlet pressure n/a n/a at least 4” wc at least 10” wc differential pres- sure 0.3” wc 2.0” wc note: differential pressure values listed for comparison only. Th...

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    12 vi - detailed sequence of operation.

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    13 important if any component does not function properly, 1. Make sure it is correctly installed and wired be - fore replacing it. Static electricity discharge can damage the 2. Integrated modulating boiler control (imbc). Touch metal surface to discharge static elec - tricity before touching contro...

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    14 what to do if you smell gas do not try to light any appliance. • do not use any electrical appliance. • do not touch any electrical switches; do not use • any phones in your building. Immediately call your gas supplier from a neigh - • bor’s phone. Follow the gas supplier’s instruc - tions. If yo...

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    15 viii - troubleshooting label all wires prior to disconnection when ser- vicing controls. Wiring errors can cause improp- er and dangerous operation. Always disconnect power to boiler before servicing. Failure to com- ply could result in severe personal injury, death or substantial property damage...

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    16 viii - troubleshooting boiler not firing and: check for: step corrective actions: control display blank 120 vac at terminals l1 and l2 of line voltage strip? 1 no - check external line switch and fuse or breaker. 120 vac on both sides of fuse f1? (turn off external power to boiler before removing...

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    17 viii - troubleshooting soft lockout (display flashes “9” and then “b” in first position; last two digits on steady (code)) code reason for soft lockout corrective actions (pressing reset should restart boiler immediately): warning: electrical shock hazard. Turn off power to boiler when working wi...

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    18 viii - troubleshooting hard lockout (display flashes first digit “e” and last two digits (code)) code reason for hard lockout corrective actions (pressing reset should restart boiler immediately): warning: electrical shock hazard. Turn off power to boiler when working with wiring or replacing any...

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    19 viii - troubleshooting hard lockout (display flashes first digit “e” and last two digits (code)) code reason for hard lockout corrective actions (pressing reset should restart boiler immediately): warning: electrical shock hazard. Turn off power to boiler when working with wiring or replacing any...

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    20 ix - user interface quick reference standby mode - key functions and display when boiler is powered on, the display will always show a single character (which represents the boiler’s current operating sequence) followed by the measured outlet water temperature during self-test. When entering stan...

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    21 parameter mode press [mode] button 1 time from standby mode. Display shows para until a key is pressed para then displays parameter and current status . 1 180 press and hold key(s) in black (1) duration result display [mode] [step] [store] [+] [-] tap step to next parameter (continue tapping step...

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    22 boiler model: boiler serial number: date of installation: measured btuh input: boiler location: altitude of location: honeywell am kit installed? (yes/no): service dates: system type (give brief description): installation instructions have been followed • checkout procedure/adjustments performed ...

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    For technical assistance with this product, in the united states call toll free 1-800-325-5479, and in canada call toll free 1-888-270-8324. Ecr international po box 4729 utica, ny 13504-4729 www.Ecrinternational.Com.