Xylem MM 209D Series 6667 Replacement Mechanism User Manual
Series 6667 replacement mechanism, Warning, Operation
INSTRUCTION MANUAL
MM-209D
Voltage
Full Load
Locked Rotor
Pilot Duty
120 VAC
7.4
44.4
125 VA at
240 VAC
3.7
22.2
120 or 240 VAC
57.5 VA at
120 or 240 VDC
Series 6667 Replacement
Mechanism
Model 6667 on 120 VAC or 24 VAC Systems
Model 6667MV on Millivolt or 24 VAC Systems
Used on Series 61, 67, 69, 767, 70, and 70-B
Low Water Cut-offs
Series 6667
• Before using product, read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application,
installation, and maintenance of plumbing and electrical equipment and/or systems in
accordance with all applicable codes and ordinances.
• To prevent electrical shock, turn off the electrical power before making electrical
connections.
• To prevent serious burns bleed off all pressure and let boiler cool down to 80˚F (27˚C).
• Drain water level down below the control before taking the control out of the boiler.
Failure to follow this warning could cause property damage, personal injury or death.
WARNING
CAUT
ION
!
WARNING
On D.C. Service be sure to connect (+) positive
wire to terminal marked (2).
OPERATION
Maximum Steam Pressure: 20 psi
Approved
®
Electrical Ratings