Xylem MM 209D Series 6667 Replacement Mechanism User Manual download pdf

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

CAUTION

WARNING

On D.C. Service be sure to connect (+) positive

wire to terminal marked (2).

OPERATION

Maximum Steam Pressure: 20 psi

Approved

Electrical Ratings

1 2 3 4

Summary of Contents

Page 1 - Mechanism

INSTRUCTION MANUAL MM-209DVoltage Full Load Locked Rotor Pilot Duty120 VAC 7.4 44.4 125 VA at240 VAC 3.7 22.2 120 or 240 VAC57.5 VA at120 or 240 VDCSe

Page 2 - STEP 1 - Preparation

2a. See figure 1. Turn off all electrical power to the boiler. (There may be more than one powersource to the boiler). Bleed off all pressure and let

Page 3 - STEP 4 - Testing

3a. Follow STEP 1-a.STEP 3 - Installation on 69 Seriesb. See figure 2. Remove eight (8) screws (N) and clamping ring (O). Mark position of floatshield

Page 4 - TROUBLESHOOTING

Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379www.xyleminc.com/brands/mcdonnellmillerMcDonnel