Moen 3371 Manuale utente

3371

ExactTemp

Service Manual

# 153768 - 5/10

In Canada Moen Inc. • 2816 Bristol Circle • Oakville, Ontario L6H5S7

# 153768

Installation of the cartridge:

1. Verify that the cartridge is properly set by aligning the drilled hole in

the cartridge stem to the indent on the cartridge body.

2. Assemble the temperature limit stop to the cartridge ensuring that

the key on the temperature limit stop is aligned to the slot in the cartrige.

3. By pushing on the front of the temperature limit stop, insert cartridge into

the valve body until the temperature limit stop key is fully seated into the valve.

page 4page 11

CARTRIDGE SERVICING EXPLODED VALVE DIAGRAM

CARTRIDGE DIAGRAM

1 2 3

1. Check Valve 6. Handle Adapter Nut

2. Stop Body 7. Spring

3. Stop Stem 8. Stem

4. Temperature Limit Stop 9. Screw

5. Cartridge Nut

For service kit numbers refer to moen.com

1. Bottom O-Ring 5. Pre-Set Temperature Alignment

2. Middle O-Ring Markings (105˚)

3. Top O-Ring

4. Screens

No flow or reduced flow Reduced flow or

no flow from device

Stop stems are closed Turn stop stems

counterclockwise

No flow or reduced flow Reduced flow or

no flow from device

Blocked screens on

cartridge

Remove cartridge and

rinse. See “Cartridge

Servicing” (pg 9).

Outlet water

temperature too high

Water is hotter than

105˚F at safety stop or

120˚F in full hot

Cartridge is out of

calibration

Remove cartridge and

rinse. See “Cartridge

Calibration” (pg 7).

Outlet water

temperature too high

Water is hotter than

105˚F at safety stop or

120˚F in full hot

Missing or damaged

bottom o-ring

Replace cartridge.

See “Cartridge

Servicing” (pg 9).

Leak from around the

cartridge

Continuous leak from

behind trim

Cartridge has missing

or damaged top

o-ring.

Replace cartridge.

See “Cartridge

Servicing” (pg 9).

Leak from around the

cartridge

Continuous leak from

behind trim

Missing or loose

cartridge nut

Replace or tighten

cartridge nut.

See “Cartridge

Servicing” (pg 9).

All hot or all cold water Temperature

adjustment does not

provide mixed

temperature

Inlets are reversed

Reinstall with hot water

line to hot side of the

valve and cold water

line to cold side of the

valve.

No temperature stop

detected

Handle rotates greater

than 200˚ and does

not engage a stop

Temperature limit stop

is not properly seated

in the valve

Reassemble

temperature limit stop.

See “Cartridge

Servicing” (pg 9).

page 10page 5

TROUBLE SHOOTING CARTRIDGE SERVICING

Removal of cartridge continued:

5. Using a 1-1/4” socket, remove the cartridge retaining nut by turning

counterclockwise.

6. Remove temperature limit stop.

7. Remove cartridge by using a wrench to pull out the cartridge.

Problem Description Cause Fix

page 6page 9

CARTRIDGE CALIBRATION

Rotate the temperature control counterclockwise from the coolest setting (80˚ F) at

the 7:00 position to the safety stop setting (105˚ F) at the 12:00 position.

Push in the end of the stem to activate the safety stop override, then rotate the

stem counterclockwise from (105˚ F) at the 12:00 position to the maximum

temperature (120˚ F) at the 9:00 position. (fig.1)

Use a thermometer to test the temperature of the water. If it is 120˚ F or less, turn

the water off and attach your trim. No calibration is necessary.

If the temperature is higher than 120˚ F, the valve must be calibrated to a lower

temperature. To lower the maximum temperature, proceed to step 2 on page 7.

CARTRIDGE SERVICING

Removal of cartridge:

1. If water supply shut off valves are not accessible or are not present, actuate the

stops by rotating the stop stem clockwise. Do not over tighten stop stem as this

could damage the check valve. (fig.1)

2. While holding the stem to prevent rotation, remove the screw turning

counterclockwise. (fig.2)

3. Remove spring. (fig.3)

4. Using a wrench, remove the handle adapter nut by turning counterclockwise.

(fig.4)

Push, Hold, and Turn

Turn

1Temperature Valve

fig.1

fig.2

fig.3 fig.4

page 8page 7

2Temperature Valve

fig.2

3Disengage Splines

fig.3

fig.4

CARTRIDGE CALIBRATION

cont.

CARTRIDGE CALIBRATION

cont.

Rotate the temperature stem from the hottest

position (9:00) clockwise to the safety stop

position position (12:00). This is 1/4 of a turn

and the stem will pop out when the proper

position is reached.

Continue rotating the stem clockwise from the

(12:00) position to the (2:00) position. (fig.2)

Rotate the stem from the (2:00) position

counterclockwise to the (12:00) position.(fig.4)

While holding the stem to prevent rotation,

remove the screw turning counterclockwise.

Pull the stem from the valve without rotating.

(fig.3)

fig.5

Replace the stem in the new position and

secure with screw. (fig.5)

Test the temperature of the water. If it is still over 120˚ F, repeat

steps 3 and 4 to lower the maximum temperature.

page 8page 7

2Temperature Valve

fig.2

3Disengage Splines

fig.3

fig.4

CARTRIDGE CALIBRATION

cont.

CARTRIDGE CALIBRATION

cont.

Rotate the temperature stem from the hottest

position (9:00) clockwise to the safety stop

position position (12:00). This is 1/4 of a turn

and the stem will pop out when the proper

position is reached.

Continue rotating the stem clockwise from the

(12:00) position to the (2:00) position. (fig.2)

Rotate the stem from the (2:00) position

counterclockwise to the (12:00) position.(fig.4)

While holding the stem to prevent rotation,

remove the screw turning counterclockwise.

Pull the stem from the valve without rotating.

(fig.3)

fig.5

Replace the stem in the new position and

secure with screw. (fig.5)

Test the temperature of the water. If it is still over 120˚ F, repeat

steps 3 and 4 to lower the maximum temperature.

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