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EWC Controls BMPlus 3000, Technical Bulletin

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EWC Controls BMPlus 3000 Technical Bulletin Download Page 15

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Summary of Contents for BMPlus 3000

Page 1: ...or fan and only the dampers in zones calling for continuous fan operation will open Continuous fan operation will only occur when there are no active or pending heat or cool demands A dip switch is provided to enable automatic fan operation in heat mode Useful for straight electric heat or hydronic heat applications Zone Capacity Compatible HVAC Systems Compatible Thermostats Automatic Heat Cool C...

Page 2: ...e heat supply air temperature at which the heating is cycled off and the fan continues to run allowing the heat exchanger or coil to cool down NOTE Allows the supply air sensor to be installed in the supply air plenum regardless of the coil heat exchanger configuration Allows the installer to fine tune virtually any multi stage heating system RESET EM NORM An On Board Switch is provided that allow...

Page 3: ...t want to use the supply air sensor included with the BMPlus Zone Control system Select ON if you intend to use the included supply air sensor Refer to the data sheet included with the supply air sensor for details Select GAS if your HVAC system is a gas or oil forced air furnace Select HYDRONIC if your HVAC system has a hot water coil or straight electric heat with no indoor blower support Useful...

Page 4: ...uit board when removing the knockouts and making wire connections NOTE The 24vac power supply should be supplied by a separate transformer DO NOT use the 24vac power supply from the HVAC system unless there is no other alternative 2 zones and 2 dampers is the limit when stealing voltage from the HVAC system NOTE The BMPlus 3000 allows the user to install Heat Pump thermostats on all zones You may ...

Page 5: ...Forced Air heat is controlled through the zone panel ZONE2 T STAT Y R G O B W E C G W1 RH RC Y W2 C To Radiant floor Baseboard heat zone valve or pump relay SPST 24vac Isolation Relay HEAT COOL THERMOSTAT MULTISTAGE HEAT COOL THERMOSTAT Thermostat should be battery powered Figure 3 ZONE T STAT C W E Y R G O B C W E B W2 Y1 O RC RH MODEL EWT 955WH H D Y2 Model EWT 955WH Wireless Thermostat Configur...

Page 6: ... the thermostat auxiliary heat demand is satisfied the BMPlus 3000 will stage down unless DF or OAS has been selected and the outdoor temperature is lower than the OAS changeover setting In that case the system will continue in FUEL mode until all current heating demands are satisfied Note Your Air Handler may include a W terminal That means it may have it s own isolation circuit If you can confir...

Page 7: ...F OUTSIDE AIR CHANGEOVER OPERATES WITH MULTI STAGE HEATPUMPS STATUS LED s ARE INCLUDED ON ALL MODULES 1 ZONE MODE COMPLIES WITH CALIFORNIA TITLE 24 SIMPLIFIED WIRING AND EASY SYSTEM SETUP The BMPlus 3000 is compatible with Dual Fuel Heat Pumps Dual Fuel kits are not required Select staging based on Adjustable Time Delay or an Optional Outside Air temperature Sensor The intelligent firmware does th...

Page 8: ... All Models RSD Damper Wiring All Models ND URD and SID Damper Wiring Figure 14 On all these dampers and most older style dampers including competitor s dampers always wire up number to number or designation to designation Do not overload your transformer Contact EWC Controls Technical Support when you are on the job site for assistance with damper wiring Have a Multi Meter pocket screw driver and...

Page 9: ... DAMPER MOTORS SR ESR RSD Power Open Spring Close Dampers Connect 24vac common hot to the two motor M terminals Damper should Open Remove 24vac hot Damper should Close ND URD SMD BMD Dampers Connect 24vac common to terminal 1 and 24vac hot to terminal 4 Damper should Open Remove 24vac hot from terminal 4 and apply to terminal 6 Damper should Close RDN SMDL BMDL Dampers Connect 24vac common to term...

Page 10: ... indicate that damper s is energized open and the Zone is active The ZONE 1 LED will illuminate solid to indicate that damper s is energized open and the Zone is active The FAN LED will illuminate solid to indicate a demand for fan operation during COOLING HEATING PURGE or CONTINUOUS FAN operations Y1 Y2 W1 B RED W2 E RED The Y2 LED illuminates solid to indicate the 2nd stage of DX COOLING or DX H...

Page 11: ...it Breaker Isolated Common terminal Useful when HVAC troubleshooting System Status LED s Figure 19 J1 ZONE3 MOTOR ZONE2 MOTOR MOTOR ZONE1 24 T FORMER VAC SYSTEM M6 M4 M2 M1 M6 M4 M2 M1 M6 M4 M2 M1 R C G Y2 Y1 O RH RC W1 B W2 E LINK RH RC D4 3 D C1 C2 SAS SAS OAS OAS C W E O B Y R G ONE ZONE EM NORM SW4 ZONE1 STAT T D11 D12 D13 D10 2ND STAGE HEAT DIFFERENTIAL LIMIT HIGH TEMP LOW TEMP LIMIT TIMER OA...

Page 12: ...5 28 21 14 7 OFF W2 EM B 1 W 1 2 Y Y ZONE ZONE ZONE FAN 1 2 3 STATUS OAS SAS 38 39 R R R 37 R 36 R76 77 R 72 R 73 R R70 69 R 67 R 68 R 65 R R64 71 R R63 62 R R61 60 R 59 R 58 R R57 56 R 55 R 54 R R78 79 R 53 R 52 R R51 50 R 49 R 48 R R47 46 R 45 R 81 R R40 43 R R42 41 R 10 LED 9 LED 8 LED 7 LED 6 LED 5 LED 4 LED 3 LED 2 LED 1 LED 11 LED 6 U U7 U8 5 U 4 U U2 3 U U1 1 K 2 K 3 K 4 K 5 K 6 K 7 K 8 K R...

Page 13: ...MIT TIMER OAS STAGING 47 5 40 33 26 19 12 110 120 130 140 150 160 170 52 49 46 43 40 37 34 42 35 28 21 14 7 OFF W2 EM B 1 W 1 2 Y Y ZONE ZONE ZONE FAN 1 2 3 STATUS OAS SAS 38 39 R R R 37 R 36 R76 77 R 72 R 73 R R70 69 R 67 R 68 R 65 R R64 71 R R63 62 R R61 60 R 59 R 58 R R57 56 R 55 R 54 R R78 79 R 53 R 52 R R51 50 R 49 R 48 R R47 46 R 45 R 81 R R40 43 R R42 41 R 10 LED 9 LED 8 LED 7 LED 6 LED 5 L...

Page 14: ...D 13 D 10 2 ND STAGE HEAT DIFFERENTIAL LIMIT HIGH TEMP LOW TEMP LIMIT TIMER OAS STAGING 47 5 40 33 26 19 12 110 120 130 140 150 160 170 52 49 46 43 40 37 34 42 35 28 21 14 7 OFF W 2 EM B 1 W 1 2 Y Y ZONE ZONE ZONE FAN 1 2 3 STATUS OAS SAS 38 39 R R R 37 R 36 R 76 77 R 72 R 73 R R 70 69 R 67 R 68 R 65 R R 64 71 R R 63 62 R R 61 60 R 59 R 58 R R 57 56 R 55 R 54 R R 78 79 R 53 R 52 R R 51 50 R 49 R 4...

Page 15: ...10 2 ND STAGE HEAT DIFFERENTIAL LIMIT HIGH TEMP LOW TEMP LIMIT TIMER OAS STAGING 47 5 40 33 26 19 12 110 120 130 140 150 160 170 52 49 46 43 40 37 34 42 35 28 21 14 7 OFF W 2 EM B 1 W 1 2 Y Y ZONE ZONE ZONE FAN 1 2 3 STATUS OAS SAS 38 39 R R R 37 R 36 R 76 77 R 72 R 73 R R 70 69 R 67 R 68 R 65 R R 64 71 R R 63 62 R R 61 60 R 59 R 58 R R 57 56 R 55 R 54 R R 78 79 R 53 R 52 R R 51 50 R 49 R 48 R R 4...

Page 16: ...t screwdriver and wire cutter stripper handy TECHNICAL SUPPORT LED s do not illuminate and HVAC system does not respond LED s are not responding properly and HVAC system is malfunctioning LED S are responding properly but HVAC system is malfunctioning SYMPTOM Disconnect the wire s from the R terminals on the BMPlus 3000 thermostat terminal blocks and the M2 M4 M6 terminals on the BMPlus 3000 dampe...

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