Installation
Instructions
MG-2/BIR3
Express® Lavatory
System - MG Series
with Battery Infrared
Control
Table of Contents
Pre-Installation Information . . . . . . . . . . . . . . . . . .2
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Installation Instructions . . . . . . . . . . . . . . . . . . 5-11
Cleaning and Maintenance . . . . . . . . . . . . . . . . . .12
Assembly of Components . . . . . . . . . . . . . . . .13-15
Troubleshooting BIR3 Components . . . . . . . . . . .16
Solenoid Valve Parts . . . . . . . . . . . . . . . . . . . . . . .17
Vernatherm™ Valve Maintenance and Parts .18-19
Cleaning the Strainer . . . . . . . . . . . . . . . . . . . .18-19
IMPORTANT
Read this entire installation manual to ensure proper
installation.
Flush all the water supply lines before making connections.
Wall anchors used must have a minimum pull-out rating of
1,000 lbs.
File these instructions with the owner or maintenance
department.
Product warranties may be found under "Product
P.O. Box 309, Menomonee Falls, WI 53052-0309
TEL. 1-800-BRADLEY FAX 262-251-5817
215-1510 Rev. D; ECN 07-815
© 2007 Bradley Corporation
Page 1 of 19 8/23/07
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
MG-2/BIR3 Express® Lavatory System Dimensions
54"
(1372)
42"
(mm)
(1067)
15"
(381)
15"
(381)
(mm)
27"
(686)
47"
(1194)
22"
(559)
(mm)
9-1/2"
(241)
21-1/2"
(546)
*39"
(991)
*33-1/2"
(851)
*29-1/2"
(749)
*17-1/2"
(445)
*Subtract 4" from vertical dimensions for compliance with ADA guidelines for children's use.
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Dimensions continued . . .
(mm)
35-1/2"
(902)
TAS Juvenile Height
Grades Pre-K thru 5 or 6
30"
(762)
FLOOR
14"
(356)
26"
(660)
(mm)
37-1/2"
(952)
TAS Juvenile Height
32"
(813)
Grades 6 thru 8 or 9
16"
(406)
FLOOR
28"
(711)
4
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Installation Instructions
Step 1: Rough in supplies and optional hot water heater
NOTE: See Figure 1 (below), 1a, 1b (for TAS on page 6) and Figure 2 (on page 7) when roughing
in the MG-2/BIR3 Express®.
IMPORTANT: Flush the supply lines before making connections. Debris in supply
lines will cause the valves to malfunction.
IMPORTANT: Dimensions shown in Figure 1 are for Standard Height Mounted
MG-2/BIR3 Express®.
1. Rough in 1/2" NPT hot and cold supply lines through wall at dimensions shown.
2. Rough in 1-1/2" NPT drain waste connection through wall at dimensions shown.
CENTERLINE
OF FIXTURE
Standard Height Mounting
25-1/2" (648)
25-1/2" (648)
APPROX. DIMENSION
APPROX. DIMENSION
1-1/2" NPT DRAIN
STUB OUT 2"
14"
(356)
14"
(356)
4"
4" (102)
(102)
4"
(102)
A
A
B
B
B
B
B
H
C
*28-1/4"
(718)
*31-1/2"
B
(800)
*25-3/4"
(654)
*26"
(660)
*24-1/2"
(654)
*19-1/2"
(495)
FLOOR
1/2" NPT HOT AND COLD
SUPPLIES OR TEMPERED
SUPPLY – STUB OUT 2"
3/8" WALL ANCHORS (8) PLACES MIN. PULL-OUT
STRENGTH 1000 LBS. PER ANCHOR
*Juvenile Height Mounting:
Subtract 4" from vertical dimensions for compliance with ADA guidelines for children's use.
Figure 1
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
TAS - Texas Accessibility
Standards:
Juvenile Height (grades
Pre-K thru 5 or 6)
CENTERLINE OF FIXTURE
25-1/2" (648)
25-1/2" (648)
APPROX. DIMENSION
APPROX. DIMENSION
1-1/2" NPT DRAIN
STUB OUT 2"
14"
(356)
14"
(356)
4"
4" (102)
(102)
4"
(102)
A
A
B
B
B
B
B
H
C
24-3/4"
(629)
28"
B
(711)
22-1/4"
(565)
22-1/2"
(572)
21"
(533)
16"
(406)
FLOOR
1/2" NPT HOT AND COLD SUPPLIES OR TEMPERED SUPPLY – STUB OUT 2"
3/8" WALL ANCHORS (8) PLACES MIN. PULL-OUT STRENGTH 1000 LBS. PER ANCHOR
Figure 1a
TAS - Texas Accessibility
Standards:
CENTERLINE OF FIXTURE
25-1/2" (648)
25-1/2" (648)
Juvenile Height (grades 6
thru 8 or 9)
APPROX. DIMENSION
APPROX. DIMENSION
1-1/2" NPT DRAIN
STUB OUT 2"
14"
(356)
14"
(356)
4"
4" (102)
(102)
4"
(102)
A
A
B
B
B
B
B
H
C
26-3/4"
(679)
30"
(762)
B
24-1/4"
(616)
24-1/2"
(622)
23"
(584)
18"
(457)
FLOOR
1/2" NPT HOT AND COLD SUPPLIES OR TEMPERED SUPPLY – STUB OUT 2"
3/8" WALL ANCHORS (8) PLACES MIN. PULL-OUT STRENGTH 1000 LBS. PER ANCHOR
Figure 1b
6
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Installation Instructions continued . . .
Step 2: Rough in wall anchors
1. Install six 3/8" wall anchors with a minimum pull-out rating of 1,000 lbs. (supplied by installer)
at the locations marked (ref. location “B” shown in Figure 1, 1a or 1b on pages 5-6).
NOTE: The dimensions for the wall anchors at location “A” are for reference only.
2. On the back of the bowl, measure the distance between the 3/4" bowl mounting holes. Divide
this measurement in half. Measure and mark this dimension on the wall to the left of the
centerline and to the right of the centerline. Install two 3/8" wall anchors with a minimum pull-
out rating of 1,000 lbs. (supplied by installer) at the locations marked (ref. location “A” shown in
Figure 1, 1a or 1b on pages 5-6).
NOTE: The anchors will be used to mount the Express® MG-2/BIR3 bowl and frame to the wall.
1-1/2" NPT DRAIN
STUB OUT 2"
1/2" NPT HOT AND
COLD SUPPLIES OR
TEMPERED SUPPLY.
STUB OUT 2"
Figure 2
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Installation Instructions continued . . .
Step 3: Mount frame to wall
1. Loosen, but do not remove the bottom three access panel screws.
2. Remove the two top access panel screws and washers securing the access panel to the frame and
remove the access panel (see Figure 3).
3. Position the frame with Terreon® End Caps attached, against the wall, ensuring that it is level.
IMPORTANT: Anchoring the frame to a wall that is not flat may cause the frame to
bend. If necessary, install shims to compensate for wall distortion.
4. Ensure that the back of the frame is flat against the wall. If wall is not flat, insert shims behind
the frame to ensure that it will not bend when anchored.
5. Once you have positioned the frame such that it is level and flat against the wall or shimmed, use
the 3/8" bolts and washers to mount the frame to the wall.
TERREON®
END CAP
LEFT
FRAME
3/8" BOLTS AND WASHERS
(6) PLACES
TERREON®
END CAP
RIGHT
1/4" - 20 SCREWS
AND FINISHING
WASHERS
STAINLESS STEEL
ACCESS PANEL
(5) PLACES
FRONT VIEW
Figure 3
8
8/23/07
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Installation Instructions continued . . .
Step 4: Install bowl assembly
IMPORTANT: See Figure 4 below when installing the bowl assembly. If the fixture
has soap option, refer to the soap system installation manual
215-1585 before installing the bowl assembly.
1. With someone to assist you, place the bowl assembly squarely onto the frame being careful not
to pinch tubing between bowl and frame.
2. Attach the front of the bowl assembly to the frame using the two 1/4-20 x 1/2" pan-head
screws and washers provided. Do not tighten screws at this time.
IMPORTANT: When bolting the bowl assembly to the wall, do not overtighten the
bolts. Overtightening bolts can damage the Terreon® material.
3. After the bowl assembly is attached to the frame, install the two 3/8" bolts and washers
(supplied by the installer) to bolt the bowl to the wall anchors. Do not overtighten bolts.
4. Tighten the screws installed in procedure #2 above to secure the bowl assembly to the frame.
Do not overtighten.
5. If necessary, adjust sprayhead body to fit closely to wall by adjusting sprayhead mounting bolts.
See Figure 8 on page 13 for sprayhead mounting bolt locations.
3/8" BOLT
AND WASHER
FRAME
3/8" BOLT
SPRAYHEAD
AND WASHER
BOWL
1/4"-20 x 1/2"
PAN HEAD
SCREWS AND
WASHERS
(2) PLACES
TERREON®
END CAP (R)
TERREON®
END CAP (L)
Figure 4
BACK VIEW
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Installation Instructions continued . . .
Step 5: Connecting supply
1. Loosen but do not remove the two mounting screws holding the valve bracket to the frame. Slide
the valve bracket up until the larger cutout in the frame’s slot aligns with the screw head (see
Figure 5b). Then lift up to remove the valve bracket from the frame.
2. FOR HOT AND COLD SUPPLY: Attach the stop/check to the hot and cold water supply piping
from the wall. Connect the flexible hoses to the Vernatherm™ Mixing Valve and to the
stop/checks (see Figure 5a).
NOTE: The “H” on Vernatherm™ Mixing Valve indicates hot water supply inlet.
FOR SINGLE TEMPERED SUPPLY: Attach the stop/check to the 1/2" tempered supply line.
Connect the stop/check to the tempered line adapter with the flexible supply hose (Figure 5c).
3. Assemble the P-trap by connecting the 1-1/2" tubular pipe to the tailpiece and to the 1-1/2" drain
pipe stubbed out of the wall.
4. Install the strainer on the drain plug opening inside the bowl, and push the strainer firmly into
place. Secure the stainer with the screw provided.
Hot and
Cold
Supplies
VALVE BRACKET
MOUNTING SCREW
FLEXIBLE
SUPPLY
HOSE
CONNECT TO
1/2" NPT HOT
WATER SUPPLY
Vernatherm™
THERMOSTATIC
MIXING VALVE
CONNECT TO
1/2" NPT COLD
WATER SUPPLY
SLOT IN
FRAME
FLEXIBLE SUPPLY
HOSE
Figure 5a
Figure 5b
FLEXIBLE
SUPPLY HOSE
(TO SOLENOID
BRACKET)
Single
Tempered
Supply
TEMPERED
LINE ADAPTER
(S39-685)
TO SUPPLY LINE
Figure 5c
10
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Installation Instructions continued . . .
Step 7: Connecting electrical and supply tubing
WARNING: The MG-2/BIR3 must be connected to the 6 VDC battery. Connection to 110
VAC may cause personal injury and/or damage to electronics. Connection of leads
other than shown may cause permanent sensor damage.
CAUTION: To avoid activating the sprayhead valve, make sure to connect the sensor
cable plugs to the circuit board before inserting the batteries into the battery holder.
If the cable is connected or disconnected while the batteries are installed, the station
will activate and continue running for 75 seconds.
1. Snap the sensor plugs from the sprayhead into the proper valve’s circuit board.
2. Insert the batteries into the battery holders (see Figure 7a). Mount the battery holders (with
batteries) in a convenient location on the frame using the hook-and-loop fastener provided.
3. Snap the battery holder plugs into the female circuit board plugs.
4. Insert the two sprayhead supply tubes
Figure 7a
into the two solenoid tube connectors by
loosening the compression nut and
firmly pushing the tubing into the tube
connector until the tubes are fully
seated, then re-tighten the compression
6-volt LITHIUM BATTERY
BATTERY HOLDER (S83-177)
nut by hand (see Figure 7b).
(261-010)
5. Align the valve bracket mounting screws
with slots on the frame. Let the valve bracket slide down to lock into place.
6. Turn on the water supply to the MG-2/BIR3 and check for leaks. Pass your hand in front of each
station’s sensor until all the air is purged from the lines and water is flowing smoothly.
IMPORTANT: The Vernatherm™ valve is NOT factory-preset. Upon installation, the valve
temperature must be checked and adjusted to ensure delivery of safe water
temperature. Water in excess of 110°F (43°C) may cause scalding.
7. Check the temperature when approximately1.0 GPM water flow is reached and adjust if
necessary (the range of the
valve is 95°F–115°F
(35°C–43°C). To adjust the
RED
SUPPLY
TUBE
GREEN SUPPLY
TUBE
temperature, first loosen the
temperature locking nut with
a wrench. Then using a blade
screwdriver, turn the
adjustment stem
counterclockwise to increase
COMPRESSION
NUT (110-231)
the temperature or clockwise
to decrease the temperature.
Once desired temperature is
reached, tighten the nut to
prevent temperature change.
VERNATHERM™
THERMOSTATIC
MIXING VALVE
8. After testing is complete,
SENSOR
CABLE
BATTERY
CABLE
Figure 7b
reinstall access panel to
frame. Fasten access panel
with the five panel screws and washers provided (see Figure 3 on page 8).
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Cleaning and Maintenance Instructions
IMPORTANT: Strong alkaline or acid-based chemicals and cleansers should not be
used to clean the MG-2/BIR3 Express®. If these chemicals come in
contact with the Terreon® surface, wipe off the surface immediately
and flush with soapy water. Avoid unnecessary or prolonged contact
with hot pans and objects.
Terreon® and panel maintenance
The bowl, sprayhead and pedestal end caps are made of Terreon®, a solid cast polyester resin
material. Terreon® resists chemicals, stains, burns and impact, and is repairable with everyday
cleaners or fine-grit abrasives. The panel is made of stainless steel. With regular cleaning, your MG-
2/BIR3 Express® will provide years of dependable service.
Stainless Steel Access Panel cleaning
Stainless steel is extremely durable, and maintenance is simple and inexpensive. Proper care,
particularly under corrosive conditions, is essential. Ordinary deposits of dirt and grease are quickly
removed with soap and water. Whenever possible, the metal should be thoroughly rinsed and dried
after washing. To remove tightly adhering deposits, use stainless steel polishing powder. In all cases,
rub in the direction of the stainless steel grain.
IMPORTANT: Never use ordinary steel wool or steel brushes on stainless steel.
Always use stainless steel wool or stainless steel brushes.
Avoid prolonged contact with chlorides, bromides, thiocyanates, and iodides on stainless steel
equipment, especially if acid conditions exist. Do not permit salty solutions to evaporate and dry on
stainless steel. The appearance of rust streaks on stainless steel leads to the belief that the stainless
steel is rusting. Look for the source of the rust in some iron or steel particles which may be touching,
but not actually a part of the stainless steel structure. NOTE: Strongly acidic or caustic cleaners may
attack the steel causing a reddish film to appear. The use of these cleaners should be avoided.
Terreon® Bowl, Sprayhead and Pedestal End Cap cleaning
IMPORTANT: To sustain original finish, additional care is recommended for dark
colored solid surfaces to maintain highest quality color. The original
luster can be maintained by periodically applying furniture polish,
mineral oil or a solid surface cleaner or polish. For more information
on restoring dark colors, see Bradley document #1505. Length of
time between applications varies with usage.
• For regular cleaning, use standard commercial or household products such as Formula 409® or
Windex®.
• Remove tough stains with Ajax®, Comet® or Soft-Scrub® and a green Scotch-Brite® pad or
lightly sand in a circular motion with 240 grit wet/dry sandpaper. The finish can be renewed with
a maroon Scotch-Brite® pad.
• Remove scratches with a green Scotch-Brite® pad. The finish can be renewed with a maroon
Scotch-Brite® pad. Remove hard water build-up with a mild solution of vinegar and water.
* Use of brand names is intended to indicate a type of cleaner and does not constitute an
endorsement.
** It is emphasized that all products should be used in strict accordance with package instructions.
• Repair kit: A repair kit is available from Bradley to repair/patch the Terreon® bowl and shelf.
Contact your Bradley representative to order a repair kit and be sure to specify color.
12
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Assembly of Components
SPRAYHEAD BODY
(PART NUMBER VARIES WITH
COLOR OF UNIT. CONTACT
YOUR LOCAL BRADLEY REP.
FOR ASSISTANCE).
BOWL
(PART NUMBER VARIES WITH
COLOR OF UNIT. CONTACT
YOUR LOCAL BRADLEY REP.
FOR ASSISTANCE).
END CAP (LEFT)
(PART NUMBER VARIES WITH
COLOR OF UNIT. CONTACT
YOUR LOCAL BRADLEY REP.
FOR ASSISTANCE).
SPRAYHEAD
MOUNTING BOLTS (3)
END CAP (RIGHT)
(PART NUMBER VARIES WITH
COLOR OF UNIT. CONTACT
YOUR LOCAL BRADLEY REP.
FOR ASSISTANCE).
STAINLESS STEEL
ACCESS PANEL
186-1263.
Figure 8
Other replacement parts
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Assembly of Components continued . . .
Sensor assembly and solenoid valve access
• To access solenoids:
Using a 5/32" Allen socket wrench, loosen, but do not remove the bottom three access panel screws.
Remove the two top access panel screws and washers securing the panel to the frame and remove the
access panel (see Figure 3 on page 8). Solenoids are located on left side of frame (see Figure 9).
• To remove sprayhead:
Remove (3) bolts located underside of bowl neck (see Figures 8 and 10). Carefully remove sprayhead
from bowl.
• To access sprayhead/aerator/lens and sensor assembly:
Remove (2) screws and washers from the access plate assembly using a 1/8" Allen socket wrench.
The access plate assembly is located underneath the sprayhead (2) places (see Figure 11a on page 15),
the assembly will drop down to access the lens, sensor, and sensor eyes, housing flow control and
tube connector.
FRAME
5/16" I.D. BRAIDED HOSE
VERNATHERM™
MIXING VALVE
Figure 9
SOLENOIDS
SPRAYHEAD AERATOR
SPRAYHEAD BODY
ASSEMBLY S05-166
MOUNTING LOCATION
TO BOWL (3) PLACES
Figure 10
14
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MG-2/BIR3
Installation Instructions
Assembly of Components continued . . .
SENSOR EYES
30" (251-019A)
60" (251-019B)
INFRARED WINDOW
269-1241
SPRAYHEAD BODY
NUT
110-115
CONNECTOR 1/4" TUBE
145-089
ACCESS PLATE
150-201
SCREW ALLEN SOCKET #10-24
160-138
HOUSING,
FLOW CONTROL
S05-142
Figure 11a
WINDOW
PURPLE EYE
Figure 11b
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Troubleshooting BIR3 Components
CAUTION: Turn off water supplies to unit before troubleshooting.
Problem: An individual operating station drips and fails to shut off.
Cause:
Solution:
There is debris trapped between the diaphragm and the valve seat.
Remove debris between diaphragm and the valve seat.
Disconnect the plug from the battery to the circuit board of the problem valve. Remove the three #8 Phillips-head
screws that hold the solenoid valve assembly together. Be careful not to lose the armature or spring (see Figure 13
on page 17). Remove the diaphragm. Remove any particles that are trapped between the diaphragm and the valve
seat. Rinse off the diaphragm and inspect for damage. Make sure the center orifice and both small side orifices are
open. Reassemble in reverse order, being careful not to overtighten the Phillips-head screws or you may crack the
plastic valve body. Tighten until the armature plate makes contact with the plastic body. Reconnect the battery plug
per diagram on page 11. Turn on water supplies to the unit.
Problem: An individual operating station fails to turn on or off.
Cause:
A dead or faulty battery.
Solution:
Test the station to determine cause and replace battery if required.
Disconnect the plug from the battery to the circuit board of the problem valve. Disconnect the plug from the battery
to the circuit board of an adjacent valve. Connect the battery plug from the adjacent working valve to the problem
valve. Wait for ten seconds. Activate the problem station’s sensor ten times. The station should turn on. If the station
turns on, and cycles normally, replace the battery.
Cause:
Faulty sensor eyes.
Solution:
required.
Test station to determine cause; replace sensor eyes if
Figure 12a
Disconnect the sensor cable from the circuit board of the problem valve.
Disconnect the sensor cable from the circuit board of an adjacent working
valve. Connect the sensor cable from the adjacent working valve to the
problem valve. Activate the problem station’s sensor. The station should turn
on. If the station turns on and cycles normally, replace the sensor eyes.
Cause:
Faulty solenoid valve.
Solution:
Test station to determine cause; replace solenoid valve if
required.
Remove the screw, circuit board and standoff from the problem valve.
Remove the battery holder. With a good working battery, briefly contact the
solenoid valve directly with the battery as shown in Figure 12a. The contact
should cause the valve to open. With the battery holder removed, briefly
contact the solenoid valve with the battery in the position shown in Figure
12b. This should cause the valve to close. If the valve does not operate when
directly contacted with a good battery, and the solenoid valve has already
been cleaned as outlined at the beginning of this troubleshooting section,
replace the solenoid valve.
OPEN VALVE
Figure 12b
If problems persist:
Pass your hand in front of the problem station, while at the same time looking
to see if the indicator light on the circuit board flashes (the indicator light is
located near the hole in the circuit board where the standoff is mounted). If it
does not flash, and the battery and sensor eyes have already been tested as
outlined above, the problem may be with the circuit board. Make a note of
the numbers printed on the circuit board, then contact your Bradley
representative for assistance.
CLOSED VALVE
16
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Solenoid Valve S07-072 (closed body) and S07-072A (thru body)
8
REF.
QTY.
PART NO.
118-307
118-307A
269-983
192-017
135-093
269-1729
269-1730
269-1731
160-447
125-165
DESCRIPTION
VALVE BODY, 1/4" CLOSED
VALVE BODY, 1/4" THRU
DIAPHRAGM
ARMATURE
SPRING
ARMATURE HOUSING
CLAMP, ARMATURE HOUSING
COIL, SOLENOID VALVE
SCREW, #8 X 5/8
1
1
1
1
1
1
1
1
1
1
3
1
2
3
4
5
6
7
8
9
7
8
O-RING, #2-013
6
5
SOLENOID VALVE W/CIRCUIT BOARD
CLOSED BODY
(S07-082)
4
THRU BODY
(S07-082A)
CIRCUIT BOARD
(S83-178)
3
PAN-HEAD SCREW
6-19 x 3/4"
2
(160-451)
VALVE ASSEMBLY
CLOSED BODY
(S07-072)
THRU BODY
(S07-072A)
1
9
Figure 13
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
8/23/07
17
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Thermostatic Mixing Valve Maintenance and Troubleshooting
NOTE: Before attempting to troubleshoot the valve or disassemble the components, check for the
following conditions:
• If stop/check 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/check valves.
• Check the hot water heater output to make sure that it is at least 20° 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: Limited water flow
Cause: Dirt and debris have built up in the valve or strainer.
1. Remove and clean strainer (see Figure 14 or 15 on page 19). If strainer needs to be replaced,
order Bradley part no. 173-028.
2. Check the piston for smooth movement.
To check the valve's piston for free and smooth movement, follow the procedures outlined below:
1. Remove the valve's cap and thermostat (see Figure 14 on Page 19).
2. Push down on the piston with your finger (the piston should move freely). If the movement is
not as it should be, the piston needs to be cleaned. Follow the method outlined below for
cleaning the piston and valve body:
• Remove the thermostat.
• Lift the piston out with a needle-nose pliers and remove the spring.
• Any cleaner suitable for brass and stainless steel may be used (if cleaning with suitable cleaner
is not sufficient to remove debris, a 400-grit sandpaper may be used to polish and hone the
piston and valve body).
• Snap spring into piston (will detent) and reassemble into the valve body. Retest the piston.
3. If, after a thorough cleaning, the piston does not move freely, the piston must be replaced.
Contact your Bradley representative and ask for Repair Kit (part number S65-259).
Problem: External leaks in the system
Cause: O-rings have been damaged.
Solution: Replace O-rings where necessary. For replacement of the O-rings, contact your
Bradley representative and ask for Repair Kit (part number S65-259).
Problem: Improper water temperature or temperature fluctuation
Cause: Thermostat is slowly failing or not working at all.
Solution: Check the thermostat for proper operation.
1. At room temperature (80° F or less) remove cap and thermostat.
2. Place thermostat into container with 115° F water. The pushrod should pop out of the
thermostat approximately 1/10".
3. If thermostat pushrod does not pop out, the thermostat must be replaced. Contact your Bradley
representative and ask for Repair Kit (part number S65-259).
Cause: Valve temperature is not properly set.
Solution: Adjust the temperature. Using a blade screwdriver, turn the adjustment stem
counterclockwise to increase the temperature or clockwise to decrease the temperature.
18
8/23/07
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
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Express® Lavatory System - MG Series with Battery Infrared Control
MG-2/BIR3
Installation Instructions
Vernatherm™ Thermostatic Mixing Valve (S01-524)
Repair Kit S65-259
10
Nut 3/8-24 Hex Jam
Cap
Item Qty
Description
5
7
8
1
1
1
Thermostat
O-Ring
O-Ring
9
8
7
O-Ring
O-Ring
6
5
Stem
Thermostat
Piston
4
3
2
Spring
Seal Cup
1
Valve Body
Strainer
11
(173-028)
Figure 14
Tempered Line Adapter Assembly (S39-685) Option
Strainer
173-028
Figure 15
Bradley Corporation • 215-1510 Rev. D; ECN 07-815
8/23/07
19
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