Thermostatic Mixing Valve Troubleshooting - Bradley SN2003 Manual Del Usaurio

Installation

Thermostatic Mixing Valve Troubleshooting

Before attempting to troubleshoot the valve or disassemble the components, check for the following conditions:
• If stop valves are used, make sure that they are fully open .
• Make sure that the hot and cold inlet pipes are connected properly, and that there are no cross-
connections or leaking stop valves .
• Check the hot water heater output to make sure that it is at least 10° F above the set temperature .
Be sure to close the appropriate shut-off valves prior to disassembly of the valve and reopen the valves after inspection
and repair is complete.
Problem
External leaks . Damaged cartridge or O-rings .
Improper water Hot water supply is not 10° above desired set point .
temperature or
temperature
Valve temperature is not properly set .
fluctuation .
Limited water flow . Dirt and debris have built up in the valve or strainer .
1
2
3
4
5
Bradley • 215-1073 Rev. M; ECN 17-00-002
Cause
Parts List
Item
* Included with Prepack S65-326
5
4
7
6
Replace cartridge with part number 269-1927
Increase hot water supply temperature
Adjust the temperature as previously shown in this
installation manual .
1 . Check to make sure both hot and cold supplies are
connected to the Navigator mixing valve and that they
have water flow .
2 . Remove cover and U-clip . Remove the cartridge and
clean the strainer . It is not required to grease cartridge,
however if desired, use silicone grease only . Do not
use grease on check valves .
Part No.
1 160-463
2 107-582
3 269-1927 Thermostatic Cartridge
4 198-014
5 132-051 Retaining Ring*
6 118-319
7 146-079
Tempered Line Adapter Option
Part no. S39-804
(replaces S01-526 if tempered
line is used)
Strainer
(173-028)
8/21/2017
SN2003, SN2023 - Infrared
Solution
Description
Cap Screw
Cover
Check Valve*
Valve Body
U-Clip
Quantity
S59-4000
1
1
1
2
2
1
1
11