Xylem McDonnell & Miller 101-A Series Instruction Manual

1 General information
1.1 General Safety
WARNING:
Before using this product read and un‐
derstand instructions.
Save these instructions for future reference.
WARNING:
All work must be performed by qualified personnel
trained in the proper application, installation, and main‐
tenance of plumbing, steam, and electrical equipment
and/or systems in accordance with all applicable codes
and ordinances.
WARNING:
Boiler manufacturer schematics should always be fol‐
lowed. In the event that the boiler manufacturer's sche‐
matic does not exist, or is not available from the boiler
manufacturer, refer to the schematics provided in this
document.
WARNING:
To prevent water damage check to make sure there is
adequate floor drainage capacity. Check all compo‐
nents in the system to insure they will not leak in the
event of an overfeed condition.
WARNING:
To prevent electrical shock, turn off
the electrical power before making electrical connec‐
tions.
WARNING:
California Proposition 65 warning! This product can ex‐
pose you to chemicals including Lead, which is known
to the State of California to cause cancer and birth de‐
fects or other reproductive harm. For more information
go to: www.P65Warnings.ca.gov.
Series 101-A
Electric Water Feeder with QUICK CHANGE
Cartridge
INSTRUCTION MANUAL
WARNING:
Previous controls should never be installed on a new
system. Always install new controls on a new boiler or
system. Failure to follow this warning could cause prop‐
erty damage, personal injury or death.
CAUTION:
A more frequent replacement interval may be necessa‐
ry based on the condition of the unit at time of inspec‐
tion. McDonnell & Miller's warranty is one (1) year from
date of installation or two (2) years from the date of
manufacture, whichever shall occur first, unless a lon‐
ger period is specified in the product documentation
(the "Warranty"). See Commercial warranty.
1.2 Agency Listings
®
2 Operation
2.1 Applications
For use on low pressure boilers with cold water feed.
The Series 101-A can be used with mechanical or electronic low water cut-off
controls.
WARNING:
Do not use automatic water feeders with manual reset
LWCO´s. Failure to follow this warning could cause
flooding, property damage, personal injury or death.
2.2 Specification
• Maximum water pressure: 150 psi (10.5 kg/cm
• Maximum boiler pressure: 25 psi (1.76 kg/cm
• Maximum boiler size: 5000 sq. ft. EDR; 2,350,000 BTU/HR Output Capacity
Table 1: Electrical ratings
Model Voltage
101A-120 120 V
101A-24 24 V
Note: 101A-24 includes a transformer with 120 Volt primary and 24 Volt/50VA
secondary.
MM-246761 Rev 13
https://qr.xylemsales.com/
mm-246761
U
L
®
2 )
2 )
Full load
40 VA
40 VA
1
EN