Weil-McLain BMC-6X operation manual Installation and Operation Instructions Manual, Bmc

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BMC and BMC-6X Installation and Operation Manual

BMC

AND

BMC-6X

HYDRONIC MODULATING BOILER CONTROL AND EXTENSION

• INSTALLATION AND OPERATION INSTRUCTIONS MANUAL

OUTPUT RATINGS:

120VAC, 6A RESISTIVE

1A PILOT DUTY, 15A TOTAL FOR ALL CIRCUITS

INPUT RATINGS:

115VAC 60Hz , 30VA MAX

USE COPPER WIRE, CLASS 1 WIRE ONLY.

C US

BMC

Full Modulation Sequencing Control

SYSTEM

A

B

---

---

C

 

 

D

 

 

ENCLOSED

 

ENERGY

 

MANAGEMENT

CAUTION: RISK OF ELECTRIC SHOCK

EQUIPMENT

LISTED

More than one disconnect switch may be required

99RA

to de-energize the equipment before servicing.

PWR

LN

1 2

SYS

 

A

 

 

 

B

 

 

 

 

C

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

4

5

 

6

7

 

8

9

 

10

11

12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROGRAM

 

 

 

RUN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

B

 

 

C

 

 

D

 

CUR / VLT

CUR / VLT

CUR / VLT

CUR / VLT

GND

mA

VLT

GND

mA

VLT

GND

mA

VLT

GND

mA

VLT

-

+

+

-

+

+

-

+

+

-

+

+

13

14

15

16

17

18

19

20

21

22

23

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DO NOT APPLY ANY VOLTAGE

TO INPUT TERMINALS

OUTDOOR

SYSTEM

SYSTEM

SHUTDOWN

 

TEMP

TEMP

PROVE

/TSTAT

 

/SETBACK

 

 

 

 

 

 

 

 

T

O

T

O

 

O

 

O

 

 

 

 

 

 

 

 

 

 

25

26

27

28

29

30

31

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXTENSION MODULE

RS-485

WARNING This Weil McLain control is strictly an operating control; it should never be used as a primary limit or safety control. All equipment must have its own certified limit and safety

controls required by local codes. The installer must verify proper operation and correct any safety problems prior to the installation of this Weil McLain control.

Part Number 550-100-072/0408 1

Image 1
Contents BMC Installation and Operation Instructions ManualContents Associated relay status BMC LayoutBMC Overview Understanding Operation Concept Reset RATIO/OUTDOOR ResetSelecting the System Features Initial SetupMake Sure YOU have the Right Control Mounting the Enclosure InstallationHeating System Sensor HSS Installation Install the SensorsOutdoor Sensor Installation Wiring the Power Terminals 1 WiringWiring the Sensors Wiring the SHUTDOWN, TSTAT, or Setback Terminals 31Wiring the Domestic HOT Water Call DHW Terminals 29 Wiring the Prove Terminals 29Wiring the System Output Terminals 3 Wiring the BoilersConnecting to the BMC-6X Panels Wiring to Modulating Motors65 F Menu SequenceMaintenance System SETTINGS1System SETTINGS2 Startup Settings Normal, Parallel Default Normal Boost Mode not Available with SetbackButton MENU/System Startup/..../Boost Mode PROVE/DOMESTIC HOT Water DHWSensor Fault Setting the Control to Factory DefaultsButton MENU/System Startup/..../Sensor Fault Reset ModeSET Point not Adjustable in EMS Mode Operating SettingsReset Ratio SeasonOffset Outdoor Cutoff TemperatureMinimum Water Temp Maximum Water TempPurge Delay System SettingsGain Lead Boiler RotationSystem RUN-ON Standby DelaySetback Last Stage Hold Button MENU/System Settings/More Settings/Last Stg HoldDAY/NIGHT Schedules Avoiding Conflicting Boiler LimitsSET Time HistoryButton MENU/Histories SOFT-OFF Delay MaintenanceSystem & Outdoor Sensor Trim Output TrimButton MENU/Maintenance/Configuration ConfigurationDisplay Display Boiler Modulation StatusMode Boiler Stage SettingsDisplay Messages Button StageIgnition % Copy Settings Boiler a onlyModulation Start % Button STAGE/Ignition %Sensor Inputs TroubleshootingControl Operation Boilers are Short-Cycling Multiple Modulating Boilers Direct Heating Piping DiagramDirect Heating Wiring Diagram External 4-20MA SET Point Using 4-20MA EMS Interface BMC Specifications SpecificationsBMC-6X Specifications