RP/IS-A-M400/M500
Installation, Maintenance, and Repair Manual
Maxim
™
Series M400, M500, LFM500
Reduced Pressure Zone Assemblies
Reduced Pressure Detector Assemblies
2
1
⁄
2
" – 10"
M400 OSY
Testing
For field testing procedure, download IS-A-ATG-1 at watts.com.
For technical assistance, contact your local Ames representative.
WARNING
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information
can result in death, serious personal injury, property
damage, or damage to the equipment.
Keep this Manual for future reference.
Local building or plumbing codes may require modifications
to the information provided. You are required to consult
the local building and plumbing codes prior to installation.
If this information is not consistent with local building or
plumbing codes, the local codes should be followed.
WARNING
!
Need for Periodic Inspection/Maintenance:
This product
must be tested periodically in compliance with local codes, but
at least once per year or more as service conditions warrant.
Corrosive water conditions, and/or unauthorized adjustments
or repair could render the product ineffective for the service
intended. Regular checking and cleaning of the product’s
internal components helps assure maximum life and proper
product function.
WARNING
!
NOTICE
Due to shipping, storage, and general handling, the Victaulic
Coupling for the shutoff valves may have loosened and should be
retightened during installation.
This device must be tested periodically in compliance with
local codes, but at least once per year or more as service
conditions warrant. If installed on a fire sprinkler system, all
mechanical checks, such as alarm checks and backflow
preventers, should be flow tested and inspected internally in
accordance with NFPA 13 and NFPA 25.
WARNING
!
Do not impede or prevent sleeve movement by installing riser
cradle clamps or other obstructive elements on or around the
sleeve. Sleeve movement is required to service the backflow.
WARNING
!
