UTICA BOILERS 95M-200 Скачать руководство пользователя | Manualshive

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Содержание 95M-200

Страница 1: ...instructions including the Installation Manual P N 240006103 the Parameter Guide P N 240006105 the User s Information Manual P N 240006106 and this Control Manual and Oper ating Instructions before attempting to program the control and be sure to perform all steps in the order specified Failure to comply could re sult in severe personal injury death or substan tial property damage Revise boiler co...

Страница 2: ...2 ...

Страница 3: ...ntial property damage DANGER Indicates a potentially hazardous situation which if not avoided could result in death serious in jury or substantial property damage WARNING Indicates a potential hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices CAUTION IMPORTANT Read the following instructions completely before insta...

Страница 4: ...rature is too high the control shuts the boiler down This ensures boiler shut down in the event of low water or low flow conditions Some codes and jurisdictions may accept these integral 2 features of the control in lieu of requiring an additional limit control or low water cutoff Consult your local jurisdiction for more information on low water cutoff requirements This boiler is controlled by a m...

Страница 5: ...used Target temperature with outdoor reset All boilers are shipped with an outdoor temperature sensor When this sen sor is installed low voltage terminal strip terminals A1 and A2 the boiler control regulates target outlet water temper ature based on outside temperature Set the temperature curve by setting Parameter 4 to ODT outdoor design temperature for the area For ODT of 0 F or lower set Param...

Страница 6: ...grammed into the con troller Display user interface By means of the display user interface the installer and home owner can scroll through the control settings and customize the boiler to the heat delivery system used in the location of installation See the User Interface Quick Reference in Section X of this manual for more information on using and programming the boiler control immediately sets t...

Страница 7: ...eed will increase to igni tion speed The blower will run in prepurge for 10 sec onds 2180 Ignition After prepurge the control module opens the gas valve and starts ignition spark If burner flame proves within 4 5 seconds burner con tinues to fire Burner will fire at startup rate for about 10 seconds to allow flame to stabilize If burner flame does not prove within 4 5 seconds con trol module attem...

Страница 8: ...re 6150 Target temperature reached The burner will shut down The blower will run in postpurge see be low then turn off DHW circulator continues to run as long as there is a call for DHW heating Lower DHW aquastat to stop call for heat 6 1150 Postpurge When room thermostat is satisfied call for heat ended burner turns off Blower will con tinue for 15 second postpurge then turn off If another DHW he...

Страница 9: ...s 100 F Test Low Water Cut Off Disconnect the wire from the LWCO sensor probe 1 Set thermostat for call for heat 2 Boiler should not begin normal sequence of operation 3 Attach wire to the sensor probe 4 Return thermostat to previous setting 5 Test other field installed safety con trols if used If the boiler is equipped with any additional safety controls test for operation as outlined by the cont...

Страница 10: ...ast page of this manual Measure the natural gas input rate Correct input rate is essential for proper and efficient operation of the burner and boiler Determine the elevation at the installation site 1 See Table 2 in Section IV of the separate Installation 2 Manual P N 240006103 to determine the correct ap proximate input rate for the local elevation Obtain the yearly average heating value of the ...

Страница 11: ...ngth and altitude of installation Combustion Guidelines Outside Natural Gas LP Gas Temperature CO2 O2 CO CO2 O2 CO 70 F and up 9 6 to 10 3 9 to 3 2 Less than 80 PPM 11 1 to 11 5 4 1 to 3 4 Less than 80 PPM 21 C and up 30 F to 70 F 9 3 to 9 6 4 4 to 3 9 Less than 80 PPM 10 8 to 11 1 4 5 to 4 1 Less than 80 PPM 1 C to 21 C 30 F and below 9 0 to 9 3 5 0 to 4 4 Less than 80 PPM 10 5 to 10 8 4 9 to 4 5...

Страница 12: ...12 VI Detailed Sequence of Operation ...

Страница 13: ...ntinuity Tester Contact Thermometer Inclined Manometer or Pressure Gauge with 0 6 0 range 0 01 scale for measuring suction pressures at pres sure switch U Tube Manometer or Differential Pressure Gauge with 0 14 range 0 1 scale for measuring inlet and manifold gas pressures INITIAL SERVICE CHECKS Prior to troubleshooting Make sure that circuit breaker is on or fuse is okay at 1 electrical panel Mak...

Страница 14: ...t exchanger or vent blockage To check the differential air pressure Turn off service switch or lower thermostat setting 1 Remove vinyl caps from tee 2 Install testing lines as shown to inclined manometer or 3 differential pressure gauge with the ability to read 0 01 increments to at least 6 0 w c Turn on service switch and set thermostat to call for 4 heat Boiler Status Diff Pressure Switch Contac...

Страница 15: ...nal line switch and verify 8 boiler operation after completing boiler service Checking temperature sensors The boiler temperature sensors outdoor return water and 1 supply water are all resistance type devices The table below shows the correct resistance value for 2 the sensor at various temperatures Temp F Sensor Ohms Temp F Sensor Ohms Min Max Min Max 32 34 265 37 871 130 3 698 4 088 40 27 834 3...

Страница 16: ... mode Display flashes 9 then b Last two digits show code number 1 See User Interface Quick Reference and Soft Lockout Troubleshooting in this manual for for more information on the soft lockout code 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 Elect...

Страница 17: ... wait for temperature to drop below 180 degrees 2 Check water level in boiler fill if low Press LWCO reset switch on display panel If problem still exists check LWCO probe and board according to manufacturer s instructions Replace if necessary 3 Check pressure switch for proper operation Replace if moisture has entered switch Check venting for blockage Clear if present 29 Blower turning when it sh...

Страница 18: ... lines of air if necessary Verify flue gas vent and air supply piping are correctly installed in good condition and free of obstructions Check voltage to gas valve it should be approx 19 21 vdc 24 vrac during ignition attempt Check gas meter to verify gas flows when gas valve is activated Remove and inspect clean ignition electrode Clean white oxides if necessary and replace ignition electrode if ...

Страница 19: ...e problem 28 Blower not running 1 Turn off power to boiler Remove line voltage connector at blower Restart boiler and check voltage across blower plug terminals If 120 vac is NOT present inspect wiring and tightness of connections Replace line voltage wire harness if necessary Replace control module if wire harness replacement doesn t resolve 2 If 120 vac is present on blower wire harness replace ...

Страница 20: ...e first character shows boiler status followed by boiler outlet water temp If the burner is being held off due to a soft lockout the display alternates between showing 9 followed by boiler outlet water temp and b followed by the two digit codes below Soft lockout means the boiler will start again automatically if the condition is corrected or timed out Press RESET button to restart boiler without ...

Страница 21: ...ys 1 After the STORE button is pressed the set value will flash twice to confirm the change Change will take effect after you leave Parameter Mode IX user interface quick reference INFORMATION MODE Press MODE button 2 times from Standby Mode Display shows Info until a key is pressed Info then displays Parameter Flashing Dot and Current Status 1 190 Press and Hold Key s in BLACK 1 Duration Result D...

Страница 22: ...ries 19 Return water temperature higher than 190 F 03 Gas valve disconnected 25 Outlet temperature increased too fast 04 Power lost after lockout 28 No signal from blower blower not running or defective blower motor 05 Internal control failure 29 Blower signal not 0 when it should be 06 Internal control failure 30 Max difference b30 was too large for 20 successive times Non adjustable default max ...

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Страница 24: ...echnical 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 ...

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