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THERMOSTAT WIRING CONTINUED

EWC Controls Inc. 385 Highway 33 Englishtown, NJ 07726 800-446-3110 FAX 732-446-5362 E-Mail- [email protected]

5

Figure 5

Wiring a split circuit thermostat to operate a
Radiant floor heating or Baseboard heating
Hydronic system. The BMPlus 3000 controls the
cooling only in this type of configuration.

WIRING FOR RADIANT FLOOR HEAT

To Radiant floor / Baseboard heat
zone valve or pump relay

W

RH

G

RC

Y

ZONE2
T’STAT

Y

R
G

O/B

W/E

C

Figure 6

Wiring for a Radiant floor loop as the first
stage of heat via the isolation relay and 2nd
stage 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:
Configured for 1 heat 1 cool.
See thermostat instructions for further

TYPICAL 24v WIRELESS THERMOSTAT

Typical “Wi-Fi” Thermostat Configured for

2 heat & 1 cool Heat Pump. See

thermostat instructions for further details.

Figure 4

W/E

C

G

W2

O

Y1 RC

EWT-855i “Wi-Fi” Thermostat

C

W/E

Y

R

G

ONE
ZONE

O/B

1

ZONE

DRY R

R

LED

RH

Y2

B

TYPICAL 24v WiFi THERMOSTAT

*

*

Field installed jumper.

G

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Содержание BMPlus 3000

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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