Assembly User guide

ManualsBrandsXylem ManualsPumpsMM 706B Replacement Switch

INSTRUCTION MANUAL

MM-706B

Replacement Switch Assembly

5 Burner/Pump Control

5-M Burner/Pump Control – Manual Reset

7B Proportional Control

7B-M Proportional Control – Manual Reset

For Series:

93 94

193 194

Pump Controller/Low Water Cut-Off

Electrical Ratings

Models with 5 and 5-M Switch

Models with 7B and 7B-M Switch

• Before using this 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, steam, and electrical

equipment and/or systems in accordance with all applicable codes and ordinances.

• To prevent a fire, do not exceed the switch contact rating.

Failure to follow this warning could cause property damage, personal injury or

death.

WARNING

CAUTION

WARNING

Replacement Switch

Switch Ratings

Burner Valve

120 VAC

345 VA 0 - 135 ohms @ 24 VAC

240 VAC

Pump and Burner Switch Contact Ratings

Voltage Pilot Duty Only

120 VAC

345 VA

240 VAC

ITT

8200 N. Austin Ave.

Morton Grove, IL 60053

tel: 847-966-3700

fax: 847-966-9052

www.mcdonnellmiller.com

Printed in U.S.A. 9-06 210418

05592:MM-706 2/4/10 9:42 AM Page 1

Summary of content (4 pages)

PAGE 1
INSTRUCTION MANUAL MM-706B Replacement Switch Assembly 5 5-M 7B 7B-M Burner/Pump Control Burner/Pump Control – Manual Reset Proportional Control Proportional Control – Manual Reset For Series: 93 94 193 194 Pump Controller/Low Water Cut-Off Replacement Switch Electrical Ratings Models with 7B and 7B-M Switch Models with 5 and 5-M Switch Voltage 120 VAC 240 VAC Switch Ratings Pump and Burner Switch Contact Ratings Pilot Duty Only 345 VA Burner 120 VAC 240 VAC 345 VA Valve 0 - 135 ohms @ 24 VAC !
PAGE 2
05592:MM-706 2/4/10 9:42 AM Page 3 STEP 1 - Removal and Replacement of Contacts and Terminal Panels a. Turn power off to boiler and all controls. Allow boiler to cool to 80˚F (27˚C) and reduce the pressure to 0 psi (0 bar). ! STEP 2 - Testing – Dimensions shown are typical. – The following testing procedure is only meant to serve as a verification of proper operating sequence. ON CAUTION a. Turn on power to boiler and pump circuits.
PAGE 3
05592:MM-706 2/4/10 9:42 AM Page 3 STEP 1 - Removal and Replacement of Contacts and Terminal Panels a. Turn power off to boiler and all controls. Allow boiler to cool to 80˚F (27˚C) and reduce the pressure to 0 psi (0 bar). ! STEP 2 - Testing – Dimensions shown are typical. – The following testing procedure is only meant to serve as a verification of proper operating sequence. ON CAUTION a. Turn on power to boiler and pump circuits.
PAGE 4
Xylem 1) The tissue in plants that brings water upward from the roots; 2) a leading global water technology company. We’re 12,500 people unified in a common purpose: creating innovative solutions to meet our world’s water needs. Developing new technologies that will improve the way water is used, conserved, and re-used in the future is central to our work. We move, treat, analyze, and return water to the environment, and we help people use water efficiently, in their homes, buildings, factories and farms.