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BMC and BMC-6X Installation and Operation Manual
MULTIPLE MODULATING BOILERS
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
ENCLOSED
ENERGY
MANAGEMENT
CAUTION
EQUIPMENT
LISTED
More than one disconnect switch may be required
99RA
to de-energize the equipment before servicing.
L
N
L
N
EXTERNAL 4-20MA SET POINT
USING 4-20MA EMS INTERFACE
SYSTEM
A
B
C
D
: RISK OF ELECTRIC SHOCK
PROGRAM
RUN
4 - 20 mA
Signal Outputs
BMC
Full Modulation Sequencing Control
---
---
DO NOT APPLY ANY VOLTAGE
TO INPUT TERMINALS
420MOD EMS Interface
420MOD
4-20mA INPUT
RS485
+
Signal GND
EXTENSION
1
2
3
CONNECTORS
To EMS/BMS
4-20mA Set Point
31
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