Xylem MM 308D Changing Flow Rate of Series WF-U Uni-Match Electric Water Feeder - Manual

INSTRUCTION MANUAL
Changing Flow Rate of
®
Electric Water Feeder
• 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, instal-
lation, and maintenance of plumbing, steam, 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 the boiler cool to 80˚F (27˚C) before
opening any pipe.
Failure to follow this warning could cause property damage, personal injury or death.
WARNING
CAUTION
! WARNING
FEED
INDICATOR
MANUAL
FEED
UNIV
ERSA
L WA
TERF
EEDE
R
WF-U-24
Chic
ago
, IL U
.S.A
.
OPERATION
Maximum water supply pressure 150 psi
Maximum boiler pressure 15 psi
Maximum water temperature 175˚F
Maximum ambient temperature 100˚F
Boiler Size Rating Recommended Flow
BTUH Orifice Size GPM
Up to 250,000 BTUH 1
(Up to 1000 sq. ft. EDR)
250,000 to 500,000 BTUH 2
1000 to 2000 sq. ft. EDR (factory installed)
500,000 to 1,000,000 BTUH 4
2000 to 4000 sq. ft. EDR
MM-308D
Series WFE and WF-U Uni-Match