Installation

Instructions

R520

CENTRAL THERMOSTAT

WITH VOLUME CONTROL

Thank you for selecting American-Standard...the benchmark of ???ne quality for over 100 years.

To ensure that your installation proceeds smoothly--please read these instructions carefully before you begin.

Certi???ed to comply with ANSI A112.18.1M ASSE 1016

M968255Rev.1.1

Prepare water supplies per ROUGHING-IN DIMENSIONS. Make sure the ???nished wall is between the minimum and maximum rough dimension.

Install VALVE at indicated height and depth. Make sure the "TOP" marking on the PLASTER GUARD is up.

COLD

PLUG TUB

PORT

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.

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.

Remove PLASTER GUARD (2) if still installed. Turn on water supplies and check for leaks.

Reassemble PLASTER GUARD (2) and FINISH

WALL.

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).

HOT

6

3

2

PLUG TUB

PORT

CHECK STOP 4 (HOT RED)

TOP

2 TEMPERATURE ADJUSTMENT

Unscrew PLASTER GUARD SCREWS and remove PLASTER GUARD.

ARROW "B"

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.

BLACK

CLAMP

ARROW "A"

KNOB

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.

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.

Reinstall the KNOB MOUNT so that the arrow marking A points upwards.

Reinstall RED LOCKING DEVICE.

109

112

SECURING

RING

RED LOCKING

DEVICE

MOUNT

3 TRANSPOSED SUPPLY PIPING

OR BACK TO BACK INSTALLATION

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.

Important note: RED CHECK STOP is now on the right of the mixer body and the BLUE CHECK STOP is now on the left.

Turn the water supply back on and perform the temperature adjustment in step 2.

CHECK STOP

(RED TO BLUE)

CHECK STOP

(BLUE TO RED)

R540

3/4" CENTRAL THERMOSTAT

WITH VOLUME CONTROL

Thank you for selecting American-Standard...the benchmark of ???ne quality for over 100 years.

To ensure that your installation proceeds smoothly--please read these instructions carefully before you begin.

Certi???ed to comply with ANSI A112.18.1M ASSE 1016

M968480

Prepare water supplies per ROUGHING-IN DIMENSIONS. Make sure the ???nished wall is between the minimum and maximum rough dimension.

Install VALVE at indicated height and depth. Make sure the "TOP" marking on the PLASTER GUARD is up.

IMPORTANT! INSTALL ANY REQUIRED SHUT OFF OR DIVERTER VALVES

INTO THE PIPING SYSTEM.

1

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.

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.

MIXED

COLD

TOP

PLUG TUB

PORT

5CHECK STOP (COLD BLUE)

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.

Remove PLASTER GUARD (2) if still installed. Turn on water supplies and check for leaks.

Reassemble PLASTER GUARD (2) and FINISH WALL.

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).

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.

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.

Reinstall the KNOB MOUNT so that the arrow marking A points upwards.

Reinstall RED LOCKING DEVICE.

ARROW "B"

104

109

112

SECURING

RING

RED LOCKING

DEVICE

BLACK

CLAMP

ARROW "A"

KNOB

MOUNT

3TRANSPOSED SUPPLY PIPING

OR BACK TO BACK INSTALLATION

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.

Important note: RED CHECK STOP is now on the right of the mixer body and the BLUE CHECK STOP is now on the left.

Turn the water supply back on and perform the temperature adjustment in step 2.

CHECK STOP

(BLUE TO RED)

CHECK STOP

(RED TO BLUE)

M968480