Manual de instrucciones de Weil-McLain BMC

Manual de instrucciones del aparato Weil-McLain BMC

Aparato: Weil-McLain BMC
Categoría: Calentador de agua
Fabricante: Weil-McLain
Tamaño: 1.13 MB
Fecha de añadido: 10/27/2013
Número de páginas: 32
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Resúmenes de contenidos
Resumen del contenido incluido en la página 1

BMC and BMC-6X Installation and Operation Manual
BMC
AND
BMC-6X
HYDRONIC MODULATING BOILER CONTROL AND EXTENSION
• INSTALLATION AND OPERATION INSTRUCTIONS MANUAL
BMC
Full Modulation Sequencing Control
SYSTEM
OUTPUT RATINGS:
120VAC, 6A RESISTIVE
1A PILOT DUTY, 15A TOTAL
A
FOR ALL CIRCUITS
INPUT RATINGS:
B
115VAC 60Hz , 30VA MAX
--- ---
USE COPPER WIRE,
C
CLASS 1 WIRE ONLY.
D
CUS
ENCLOSED
ENERGY
MANAGEMENT
EQUIPMENT CAUTION: RISK OF ELECTRIC SHOCK
LISTED More than one disco

Resumen del contenido incluido en la página 2

BMC and BMC-6X Installation and Operation Manual Contents BMC LAYOUT . . . . . . . . . . . . . . . . 3 Outdoor Cutoff Temperature . . . . . . . . . 18 Offset . . . . . . . . . . . . . . . . . . . . . 18 BMC OVERVIEW . . . . . . . . . . . . . . 4 Minimum Water Temp . . . . . . . . . . . . 18 Reset Ratio/Outdoor Reset . . . . . . . . . .5 Maximum Water Temp . . . . . . . . . . . . 18 Make Sure You Have the Right Control . . 6 System Settings . . . . . . . . . . . . . .19 INITIAL SETUP . . . . . .

Resumen del contenido incluido en la página 3

BMC and BMC-6X Installation and Operation Manual BMC LAYOUT Program Switch to restrict access to The digital display shows the system status, set point, function changes. This switch is lead stage , and status of each stage. covered with Wiring Enclosure. To view and adjust settings, press the appropriate buttons. Buttons function is presented on LED indicates the Bottom Row of display. associated relay status. BMC Full Modulation Sequencing Control SYSTEM OUTPUT RATINGS: 120VAC,

Resumen del contenido incluido en la página 4

BMC and BMC-6X Installation and Operation Manual BMC OVERVIEW SEQUENCES UP TO 4 FULLY MODULATING STAGES. The BMC is the perfect control whenever multiple fully modulating stages are required for hydronic heating applications. The BMC controls the on/off and the modulation of each stage to maintain precise system set point control. PID TYPE LOGIC The BMC’s control algorithms allow it to look at the rate of change in the system. If the system temperature is changing quickly, the BMC will react

Resumen del contenido incluido en la página 5

BMC and BMC-6X Installation and Operation Manual UNDERSTANDING OPERATION CONCEPT 1:4 1:3 1:2 1:1.5 220 The BMC has multiple operating modes that satisfy most hydronic systems. It can change the 1:1.25 210 System Set Point based on outdoor temperature (Outdoor Reset) or it can modulate its stages 200 to achieve an adjustable fixed Set Point. 1:1 190 180 In Outdoor Reset, the BMC controls a hot water heating system to provide a building with 1.25:1 170 comfortable and even heat levels. The BMC

Resumen del contenido incluido en la página 6

BMC and BMC-6X Installation and Operation Manual MAKE SURE YOU HAVE THE RIGHT CONTROL If you need the BCP-8W to do additional tasks that either are not listed or do not know how to set them, contact Weil McLain. INITIAL SETUP Setting an Initial Program will ease the configuration of the BMC and will give the opportunity to utilize many of the energy saving features and give more comfortable heat when needed. The program should consist of the following: • Selecting the features that your system

Resumen del contenido incluido en la página 7

BMC and BMC-6X Installation and Operation Manual System Run-On • This feature lets the BMC run the SYS relay for a longer period after the boilers have been turned off. When this relay is used to control a pump, it helps in dissipating the excess heat from the boilers combustion chamber. INSTALLATION Each of the BMC or BMC-6X consists of three primary enclosure components. • The Enclosure Display Module: contains the display, buttons, LEDs and electric wiring terminals. It has two screws

Resumen del contenido incluido en la página 8

BMC and BMC-6X Installation and Operation Manual Immersion Heating System Sensor INSTALL THE SENSORS Immersion Well Common Supply Pipe 3/8" ID 1/2" NPT HEATING SYSTEM SENSOR (HSS) INSTALLATION Shield LOCATING HSS • Put the Heating System sensor approximately 10' feet past the last boiler on the common supply header but before any major takeoffs. Heating System Sensor Probe • The sensor must be located where it sees the output of all the boiler stages. If Sensor a boiler is piped so that the

Resumen del contenido incluido en la página 9

BMC and BMC-6X Installation and Operation Manual WIRING WIRING THE POWER (TERMINALS 1, 2) • Bring the 120VAC 60Hz power wires through the bottom Knockout of the enclosure. • Class 1 voltages must enter the enclosure through a dif ferent opening from any Class 2 voltage wiring. • Connect the hot line to terminal marked L. • Connect the neutral line to the terminal marked N. • Weil McLain recommends installing a surge suppressor on the power source to the BMC. WARNING Class 1 voltages must en

Resumen del contenido incluido en la página 10

BMC and BMC-6X Installation and Operation Manual WIRING THE PROVE (TERMINALS 29, 30) • The Prove feature is provided to check system component operation and must be selected in the Startup Menu. See page 15. • A typical use of this feature is to check for pump flow before firing any boiler. • If the PROVE input is open on a call, the BMC will enable only the System Output. All boiler outputs will be off when the PROVE input is open. • A factory-installed jumper provides the System Prove si

Resumen del contenido incluido en la página 11

BMC and BMC-6X Installation and Operation Manual WIRING TO MODULATING MOTORS The BMC can modulate any combination of the following motors. The Output Type must be selected properly before connecting any output wires to avoid damage components. See Output Type on page 11. WIRING THE 4-20MA MODULATING MOTORS (A TERMINALS 13, 14), (B TERMINALS 16, 17),... • The BMC can operate up to four 4-20 mA modulating motors. • The BMC-6X can operate up to six 4-20 mA modulating motors. • The BMC and the

Resumen del contenido incluido en la página 12

BMC and BMC-6X Installation and Operation Manual MENU SEQUENCE ----------- SETTINGS ------------ ------------- SEASON -------------- ------- OUTDOOR CUTOFF ------- Season Winter Winter Set Point 70 F Summer 65 F [] BACK SAVE BACK SAVE BACK SELECT Reset Ratio ------------ SET POINT ---------- --- MINIMUM WATER TEMP ---- 70 F [] 70 F STARTUP [] BACK SAVE -------- SYSTEM STARTUP ------ --------- RESET RATIO ---------- BACK SAVE 1.00 O

Resumen del contenido incluido en la página 13

BMC and BMC-6X Installation and Operation Manual ---------------- GAIN -------------- ----------- SETTINGS ------------ Season Winter Set Point 70 F +0 F [] SYSTEM SETTINGS1 BACK SAVE ---------- SETTINGS 1 ---------- Gain +0 BACK SELECT Lead Rotation Time -------- LEAD ROTATION ------- Purge Delay 0.0min Manual Lag Delay 0min Time Last-On BACK SELECT MAINTENANCE BACK SAVE ---------- MAINTENANCE --------- --- AUTO ROTATE

Resumen del contenido incluido en la página 14

BMC and BMC-6X Installation and Operation Manual STARTUP SETTINGS ALERT A good practice after performing any Startup menu modifications is to check all operating settings and adjustments to match the new settings. PROGRAM CHANGE SETTINGS To be able to change the BMC settings the Program/Run Switch must be set to Program. The switch is located under the Enclosure Wiring Cover for security. The Enclosure Wiring Cover PROGRAM RUN can be securely closed using a lock. STARTUP SEQUENCE -------- S

Resumen del contenido incluido en la página 15

BMC and BMC-6X Installation and Operation Manual SELECTING THE MODULATING MODE ------ MODULATION MODE ------ Normal Normal, Parallel Default: Normal Parallel Button: MENU//..../Modulating Mode • Some modulating boilers perform better as their modulation increases. For these units, it is advantageous to run one unit at high modulation than several units at lower modulation. If the units used are of this type, select Normal. This is the recommended BACK SAVE setting for typica

Resumen del contenido incluido en la página 16

BMC and BMC-6X Installation and Operation Manual SENSOR FAULT --------- SENSOR FAULT -------- All Off All Off, All On Default: All On All On Button: MENU//..../Sensor Fault The Sensor Fault will determine the operating status of all output stages that are set to Auto when a sensor reads Short or Open. BACK SAVE RESET MODE • When All-On is selected, the BMC will turn all boilers On to a 100% when System reads Short or Open and Outdoor is below Outdoor Cutoff. When Outdoor rea

Resumen del contenido incluido en la página 17

BMC and BMC-6X Installation and Operation Manual OPERATING SETTINGS PROGRAM CHANGE SETTINGS PROGRAM RUN To be able to change the BMC settings the Program/Run Switch must be set to Program. The switch is located under the Enclosure Wiring Cover for security. The Enclosure Wiring Cover can be securely closed using a lock. ------------- SEASON -------------- Winter SEASON Summer Winter, Summer Default: Winter Button: MENU/Season • The BMC will turn all boiler relays of f when it is in Summer s

Resumen del contenido incluido en la página 18

BMC and BMC-6X Installation and Operation Manual OUTDOOR CUTOFF TEMPERATURE ------- OUTDOOR CUTOFF ------- Adjustable Off, from 20ºF/ to70ºC - 100ºF, On Default: 60ºF/ 16ºC Button: MENU/Set Point/Outdoor Cutoff in Set Point 65 F Button: MENU/Set Point/Offset/Outdoor Cutoff in Reset [] • If the outdoor sensor is installed, the Outdoor Cutof f screen will automatically appear after the temperature Set Point has been selected. BACK SAVE • When the outdoor temperature falls to the adjustable Outdo

Resumen del contenido incluido en la página 19

BMC and BMC-6X Installation and Operation Manual ---------- SETTINGS 1 ---------- SYSTEM SETTINGS Gain +0 Button: MENU/ Lead Rotation Time The Settings 1 and Settings 2 menus provide access to adjusting and fine-tuning the system for Purge Delay 0.0min Lag Delay 0min enhanced comfort and more fuel savings. The BMC behaves differently based on the selected Control Modes (see Startup Settings). BACK SELECT • Gain • System Run-On ---------- SETTINGS 2 ----------

Resumen del contenido incluido en la página 20

BMC and BMC-6X Installation and Operation Manual LAG DELAY ----------- LAG DELAY ----------- Adjustable from 0min to 60min Default: 0min Button: MENU//Lag Delay 0min • The Lag Delay requires the previous stage to remain at 100% modulation for the full [] period of the Lag Delay before another Stage can be activated. For example, if the Lag Delay was set to 10 minutes, the Lead Stage would need to remain at 100% modulation BACK SAVE for a full ten minutes (never backing down


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