American Standard R522 Installation guide

R522
American Standard
Brand
American Standard
Model
R522
Type
Installation guide

This manual is also suitable for

American Standard R522S is a central thermostat with a built-in diverter, allowing you to control the temperature and flow of water to multiple outlets, such as a shower, bathtub, or sink. It features two diverter outlets, enabling you to direct water to different fixtures with ease. The R522S is designed for durability, with its NPT connections and a temperature limit stop that can be adjusted to prevent scalding. It also includes check stops to prevent backflow and aid in temperature control.

American Standard R522S is a central thermostat with a built-in diverter, allowing you to control the temperature and flow of water to multiple outlets, such as a shower, bathtub, or sink. It features two diverter outlets, enabling you to direct water to different fixtures with ease. The R522S is designed for durability, with its NPT connections and a temperature limit stop that can be adjusted to prevent scalding. It also includes check stops to prevent backflow and aid in temperature control.

- 1 -
Certied to comply with ANSI A112.18.
ASSE 1016
M965394 REV. 1.5 (3/16)
Product names listed herein are trademarks of AS America, Inc.
© AS America, Inc. 2015
Thank you for selecting AmericanStandard...
the benchmark of fine quality for over 100 years.
To ensure that your installation proceeds smoothly-please read
these instructions carefully before you begin.
ROUGHING-IN DIMENSIONS
CONNECTIONS ARE: 1/2" NPT
CENTRAL THERMOSTAT
WITH BUILT-IN DIVERTER
INSTALLATION
INSTRUCTIONS
R522
R523
R522S
R523S
T
O
P
150 mm
(5-7/8)
100 mm
(3-15/16)
100 mm
(3-15/16)
1/2" NPT PLUG
(DO NOT REMOVE)
1/2" NPT
INLET
1/2" NPT
OUTLET
(R523 ONLY)
DO NOT REMOVE
PLUG FOR
R522 MODEL
DO NOT REMOVE
PLUG FOR
R522 & 522S MODELS
MODEL NUMBER:
R522 & R522S Rough Valve Body only
1/2" NPT inlets/outlets. With built-in 2-way diverter
MODEL NUMBER:
R523 & R523S Rough Valve Body only
1/2" NPT inlets/outlets. With built-in 3-way diverter
1/2" NPT INLETS
1/2" NPT
OUTLETS
196 mm
(7-3/4")
48 mm to 68 mm
(2" to 2-5/8")
235 mm
(9-1/4")
73 mm
(2-7/8)
1/2" NPT
OUTLETS
25 mm
(1")
FINISHED
WALL
PLASTER
GUARD
- 2 -
Should the hot and cold water supply pipes have been transposed making
adjustment impossible, proceed as follows:
– Shut off water supply
– Remove handle and rim
– Remove check stops and re-install them transposed
n Important note: RED CHECK STOP is now on the right of the mixer body
and the BLUE CHECK STOP is now on the left.
n Turn the water supply back on and perform the temperature adjustment in step 2.
2
3
TEMPERATURE ADJUSTMENT
TRANSPOSED SUPPLY PIPING OR BACK TO BACK INSTALLATION
ROUGHING-IN THE VALVE
1
M965394 REV. 1.5 (3/16)
CHECK STOP
(HOT RED)
TUB PORT
(DO NOT
REMOVE PLUG)
CHECK STOP
(COLD BLUE)
COLD
HOT
1
3
2
4
WOOD
BRACE
5
6
MIXED
MIXED
MIXED
MIXED
COLD
HOT
T
O
P
MIXED
MIXED
R523/R522S Valve
Body shown.
TOP
n Unscrew PLASTER GUARD SCREWS and remove PLASTER GUARD.
n Check that arrow marking B points vertically upwards. If not, push
the BLACK CLAMP on the SECURING RING to the right, pull off
KNOB MOUNT and reinstall KNOB MOUNT with arrow “B”
pointing upwards.
n The maximum mixed water temperature is set at 109 F at the factory.
This setting can be changed if desired.
n Remove the TEMPERATURE LIMIT STOP (H shaped Black Plastic part).
Reinstall it at the desired notch as indicated in the diagram to limit the
maximum mixed water temperature to 104 F or 112 F.
n For 100 F adjustment, turn the water supply on. Turn KNOB MOUNT until the
spout temperature is 100 F. Check that arrow marking A on the KNOB MOUNT still points
upward after adjusting the thermostat to 100 F. If not, pull out the RED LOCKING DEVICE.
Remove KNOB MOUNT by pulling it towards you while standing directly in front of the valve.
n Reinstall the KNOB MOUNT so that the arrow marking A points upwards.
n Reinstall RED LOCKING DEVICE.
WARNING
DO NOT SOLDER DIRECTLY TO THE VALVE BODY; THIS WILL DAMAGE
THE TEMPERATURE CONTROL ELEMENT AND CHECK STOP VALVES.
n Prepare water supplies per ROUGHING-IN DIMENSIONS. Make sure the nished
wall is between the minimum and maximum rough dimension.
n Install VALVE at indicated height and depth. Make sure the “TOP” marking
on the PLASTER GUARD is up.
n Connect the hot and cold water supplies. Assemble all connecting pipes.
Flush lines to remove any dirt. Connections are 1/2" NPT.
n Assemble the connection pipes to the MIXED OUTLETS
of the VALVE. (Tub port is fitted with a plug at the factory
and is NOT intended for use on this valve).
n For R522 & R522S Models: The top port is fitted with a plug
at the factory. Warning: Do not remove plug for R522 & R522S
Models. The valve will not function properly if top port is used.
n If the CHECK STOPS (4,5) were removed during
installation, ensure the hot and cold CHECK
STOPS (4,5) are not reversed. The hot CHECK
STOP (4) has a red top and the cold CHECK
STOP (5) has a blue top.
n CHECK STOPS (4,5) are supplied in the open
position. Closing using 5/32" (4 mm) hex wrench
to pressure test and to check for leaks.
n To ush lines, remove the CHECK STOPS (4,5)
and run water. If desired, the TEMPERATURE CONTROL
UNIT can be removed. Reinstall CHECK STOPS (4,5) and
CONTROL UNIT (6), if it was removed.
n Reassemble PLASTER GUARD (2) and FINISH WALL.
n Beware of Freezing. No water should remain in the MIXING VALVE if freezing is a possibility.
Remove the CHECK STOPS (4,5) to completely drain the MIXER UNIT (1).
KNOB
MOUNT
ARROW
"A"
BLACK
CLAMP
ARROW
"B"
RED LOCKING
DEVICE
SECURING
RING
104
109
112
TEMPERATURE
LIMIT STOP
CHECK STOP
(RED TO BLUE)
CHECK STOP
(BLUE TO RED)
- 3 -
A923348-0070A
HANDLE ADAPTER
M951480-0070A
2-WAY DIVERTER (R522)
M951475-0070A
3-WAY DIVERTER (R523)
A955585-0070A
THERMOSTAT
CARTRIDGE
912647-0070A
O-RING
953963-0070A
HANDLE EXTENSION
953957-0070A
TEMPERATURE
CALIBRATION UNIT
953950-0070A
CHECK STOP (COLD BLUE)
953951-0070A
CHECK STOP (HOT RED)
963434-YYY0A DEEP ROUGH KIT
(SOLD SEPARATELY)
R522/R522S
With two diverter outlets
R523
With three
diverter outlets
M951491-0070A
2-WAY DIVERTER (R522S)
M951490 -0070A
3-WAY DIVERTER (R523S)
M907311-0070A
FIXATION NUT
WARNING: DO NOT
REMOVE PLUG
FOR R522 & R522S
MODELS
MODEL NUMBER
R522 R523
R522S R523S
CENTRAL THERMOSTAT
WITH BUILT-IN DIVERTER
M965394 REV. 1.5 (3/16)
HOT LINE FOR HELP
For toll-free information and answers to your questions, call:
1 (800) 442-1902
Mon. - Fri. 8:00 a.m. to 8:00 p.m. EST
Saturday 10:00 a.m. to 4:00 p.m. EST
IN CANADA 1-800-387-0369
(TORONTO 1-905-306-1093)
Weekdays 8:00 a.m. to 7:00 p.m. EST
IN MEXICO 01-800-839-1200
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American Standard R522 Installation guide

R522
American Standard
Brand
American Standard
Model
R522
Type
Installation guide
This manual is also suitable for

American Standard R522S is a central thermostat with a built-in diverter, allowing you to control the temperature and flow of water to multiple outlets, such as a shower, bathtub, or sink. It features two diverter outlets, enabling you to direct water to different fixtures with ease. The R522S is designed for durability, with its NPT connections and a temperature limit stop that can be adjusted to prevent scalding. It also includes check stops to prevent backflow and aid in temperature control.

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