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Thermostrip Installation
Clean pipe and firmly apply Thermostrip on mix outlet of
valve. Flow water and adjust mixed outlet temperature for
desired setting range. Actual mixed water temperature is
indicated in green with 2° F (1° C) increments. Blue means
slightly lower and brown means slightly higher.
WARNING
Water Temperature above 120°F (49° C) can cause
serious injury. Mixing valve temperature setting
should be done by licensed contractor per local code
requirement. To ensure correct temperature control,
use water thermometer at faucet outlet.
The thermostrip is ONE TIME USE ONLY for initial system
temperature setting. Check expiration date printed on
temperature strip to ensure temperature reading accuracy. If
necessary, contact your Resideo distributor to obtain a
replacement thermostrip, part number TS205-064.
Thermostrip only included in models without the temperature
gauge.
Thermostrip
Accuracy expires
after MMYYY
Fig. 3. Thermostrip.
Post Installation Procedure
1. Write temperature setting on CAUTION label and sign in
space provided.
2. Attach CAUTION label to AM-1 valve.
3. Explain CAUTION label to owner.
4. Deposit this instruction sheet with owner.
OPERATION
The AM-1 series valve provides for automatic operation
through the use of a thermostatic element in the product. The
element will control the mixing of the hot and cold supply to
provide mixed tempered water to connected fixtures. This
provides constant water temperature under different working
conditions.
MAINTENANCE PROCEDURES
Hard water conditions may result in scale deposits, causing
binding of internal parts in extreme cases. Cleaning the
internal parts will usually restore the valve to proper
operating conditions. In some cases, it may be necessary to
replace the lower assembly.
To clean and/or replace the lower assembly, shut off water
and:
1. With a screwdriver, remove screw and handwheel.
2. Loosen upper nut (do not remove) to allow engaging an
adjustable wrench on lower nut. Unscrew lower nut
(counterclockwise). This removes top assembly.
3. Brass top assembly will pop up. Remove lower assem-
bly, diffuser and spring.
4. Carefully remove any scaling (calcium deposit) or for-
eign particles from valve seat and other internal parts.
Use vinegar to remove calcium. Soak parts until cal-
cium becomes soft and can be scrubbed and washed
off. Do not use solvents or scratch metallic / Teflon
coated surfaces.
5. Replace cleaned spring, diffuser and lower assembly
following instructions below or use new replacement
kit assembly. For correct kit number, see Table 1.
Install spring, diffuser and lower assembly:
1. Insert spring onto diffuser.
2. Insert diffuser with spring end first into body.
3. Fit valve top assembly into lower assembly and insert
into valve.
4. Tighten lower nut.
5. Reposition handwheel and insert screw. Turn hand-
wheel to desired temperature setting.
UPPER NUT
LOWER NUT
O RING
Fig. 4. AM-1 Series valves assembly.
3
AM-1 SERIES
HANDWHEEL
RETAINING RING
TOP ASSEMBLY
LOWER ASSEMBLY
DIFFUSER
SPRING
H
C
MIX
VALVE BODY
M23941A
®
62-3075EFS—11
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