Leonard XL-150-2P Guía

Bulletin XL-2P

August, 2018

1360 Elmwood Avenue, Cranston, RI 02910 USA

Phone: 401.461.1200 Fax: 401.941.5310

Email: [email protected]

Web Site: http://www.leonardvalve.com

INSTALLATION

1. Assembly should be installed at a location where it can

easily be cleaned, adjusted or repaired.

2. The inlets are clearly marked on the valve body. Union

angle strainer checkstops furnished must be installed on

both supply lines as shown above.

3. Flush pipes thoroughly after system has been connected.

4. Refer to page 2 of this bulletin for correct Setup

Instructions

CAUTION

All thermostatic water-mixing valves have limitations. They will not provide the desired accuracy

outside of their flow capacity range. Consult the flow capacity chart on page 5.

Minimum flow must be no less than as shown.

REMEMBER! THIS IS A CONTROL SYSTEM WHICH MUST BE CLEANED

AND MAINTAINED ON A REGULAR BASIS (SEE MAINTENANCE GUIDE AND

RECORD MGR-1000).

125 PSI (8.6 BAR) MAXIMUM OPERATING PRESSURE

°F

140

100

LEONARD

-10

°C

120

Valves are ASSE 1017 Certified

INSTALLATIONADJUSTMENT SERVICE

XL-150-2P, XL-150-2P-LF

XL-200-SW-2P-LF

PARALLEL SYSTEMS

Note: IMPORTANT! Provide serial numbers for both valves when ordering parts!!

INSTALLATION

LF LF

-10

140

°F

°C

LEONARD

120

100

WARNING: This product can expose you to

chemicals including lead, which is known to the State

of California to cause cancer. For more information, go

to www.P65Warnings.Ca.gov

SETUP INSTRUCTIONS

METHOD W SET-UP INSTRUCTIONS

Before any attempt is made to adjust this system, be sure the temperature of the hot water

at the source is properly set and maintained.

1. Shut off circulator, turn ball valve #2 off.

2. Open enough fixtures to flow a minimum of 6 GPM.

3. Set mixing valve #1 to the desired temperature, (note Warning Tag attached to the

pointer of the valve).

4. Open ball valve #2 and close ball valve #1.

5. Set mixing valve #2 to the desired temperature, (note Warning Tag attached to the

pointer of the valve).

6. Open all ball valves.

7. Shut off all fixtures. Note: At this point, be sure NO water is being drawn through any

fixture until the temperature in the recirculated line has been set.

8. Fully open the circuit setter and start the circulator. Make sure no water is being drawn.

9. Observe the temperature until it stabilizes.

10. Close the circuit setter slightly if the temperature is to hot, and again let the temperature

stabilize. Repeat until the desired recirculated temperature is set.

HIGH TEMPERATURE RETURN C

CIRCULATOR

°F

140

100

LEONARD

-10

°C

120

HOT

WATER

SOURCE

COLD

SUPPLY

HEAT

TRAP

HIGH TEMPERATURE FIXTURES

SYSTEM FIXTURES

CIRCULATOR

AQUASTAT

BALANCING

VALVES

CHECK

FULL RETURN

LINE SIZE

VALVE #1

TEMPERED

RETURN

BALL VALVE FOR

SETUP (OPTIONAL)

ISOLATION

VALVE

CHECK

TEMPERED

VALVE #1

BALL BALL

VALVE #2

REMEMBER! THIS IS A CONTROL DEVICE WHICH MUST BE CLEANED

AND MAINTAINED ON A REGULAR BASIS. (SEE MAINTENANCE GUIDE

AND RECORD, MGR-1000).

Leonard Type XL Thermostatic Water Mixing Valves are

simple in design and may be easily cleaned, adjusted and

repaired. If the installation is accessible, servicing may be

completed without disconnecting the valve.

NOTE: Thermostatic Water Mixing Valves are

REGULATING mechanisms, which must be regularly

maintained to provide best performance. Frequency of

cleaning depends on quality of local water conditions and

usage. (See Maintenance Guide and Record MGR-1000).

TROUBLESHOOTING INSTRUCTIONS

SERVICE

WARNING

WARNING! This Thermostatic Mixing Valve has an Locking Temperature Regulator (LTR) which

must be checked. If the temperature is too high, the installer MUST RESET this adjustment

immediately. Always check the temperature of the mixed water after installation. Excessively hot

water is DANGEROUS AND MAY CAUSE SCALDING!

ITEM: PROBLEM: RECOMMENDED REPAIR KITS:

PACKINGS &

GASKETS 1. Leak at stem.

2. Leak between valve cover and base. KIT 1/XL150

REBUILD 3. Valve delivers either all hot or all cold water, or will not mix consistently. KIT R/XL150

CHECKSTOPS 4. Hot water bypass into cold line.

5. Supplies cannot be shut off completely.

6. Leak at checkstop bonnet. KIT 4/984

ITEM: PROBLEM: RECOMMENDED REPAIR KITS:

PACKINGS &

GASKETS 1. Leak at stem.

2. Leak between valve cover and base. KIT 1/XL200

REBUILD 3. Valve delivers either all hot or all cold water, or will not mix consistently. KIT R/XL200

CHECKSTOPS 4. Hot water bypass into cold line.

5. Supplies cannot be shut off completely.

6. Leak at checkstop bonnet. KIT 2/200/C

ITEM # DESCRIPTION QTY. PART # /KIT #

1 SPRING, RETURN 1 KITR/XL150

2 O-RING, LOWER SHUTTLE 1 KIT 1/XL150, KIT R/XL150

3 O-RING, UPPER SHUTTLE 1 KIT1/XL150, KITR/XL150

4 SHUTTLE ASSEMBLY 1 KITR/XL150

5 RETAINING RING, COVER 1 7611, KIT R/XL150

6 O'RING, COVER 1 KIT 1/XL150, KIT R/XL150

7 O'RING, STEM 1 KIT 1/XL150, KIT R/XL150

8 STEM ASSEMBLY (DO NOT REMOVE SNAP RING) 1 771800

9 COVER 1 7762

10 KNOB ASSEMBLY 1 764000

11 LOWER STEM & PACKING 2 KIT4/984

12 SCREEN 2 KIT4/984

13 SPRING, CHECK 2 KIT 4/984

14 O-RING, BONNET 2 KIT 4/984

15 O-RING. UPPER STEM 2 KIT 4/984

16 STEM, UPPER CHECK 2 1761

17 CHECK BONNET 2 1786

18 SWIVEL 2 1705

19 SWIVEL NUT 2 4611

KIT KIT TYPE INCLUDES

R/XL150 COMPLETE REPAIR 1-7

1/XL150 O-RING 2,3,6,7

4/984 CHECK 11-15

KIT KIT TYPE INCLUDES

R/XL200 COMPLETE REPAIR 1-7

1/XL200 O-RING 2,3,6,7

2/200/C CHECK 11-15

ITEM # DESCRIPTION QTY. PART # /KIT #

1 SPRING, RETURN 1 KITR/XL200

2 O-RING, LOWER SHUTTLE 1 KIT 1/XL200, KIT R/XL200

3 O-RING, UPPER SHUTTLE 1 KIT1/XL200, KITR/XL200

4 SHUTTLE ASSEMBLY 1 KITR/XL200

5 RETAINING RING, COVER 1 7611, KIT R/XL200

6 O'RING, COVER 1 KIT 1/XL200, KIT R/XL200

7 O'RING, STEM 1 KIT 1/XL200, KIT R/XL200

8 STEM ASSEMBLY (DO NOT REMOVE SNAP RING) 1 781700

9 COVER 1 7856

10 KNOB ASSEMBLY 1 764000

11 LOWER STEM & PACKING 2 KIT2/200/C

12 SCREEN 2 KIT 2/200/C

13 SPRING, CHECK 2 KIT 2/200/C

14 O-RING, BONNET 2 KIT 2/200/C

15 O-RING. UPPER STEM 2 KIT 2/200/C

16 STEM, UPPER CHECK 2 4727

17 CHECK BONNET 2 4723

18 SWIVEL (IF APPLICABLE) 2 4704

19 SWIVEL NUT(IF APPLICABLE) 2 4707

FLOW CAPACITIES

LIMITED WARRANTY

Leonard Valve Company warrants the original purchaser that products manufactured by them (not by others) will be

free from defects in materials and workmanship under normal conditions of use, when properly installed and

maintained in accordance with Leonard Valve Company's instructions, for a period of one year from date of

shipment. During this period the Leonard Valve Company will at its option repair or replace any product, or part

thereof, which shall be returned, freight prepaid, to the Leonard factory and determined by Leonard to be defective in

materials or workmanship. There are no warranties, express or implied, which extend beyond the description

contained herein. There are no implied warranties of merchantability or of fitness for a particular purpose. In no

event will Leonard be liable for labor or incidental or consequential damages. Any alteration or improper installation

or use of the product will void this limited warranty.

1360 Elmwood Avenue, Cranston, RI 02910 USA

Phone: 401.461.1200 Fax: 401.941.5310

Email: [email protected]

Web Site: http://www.leonardvalve.com

Printed in USA

PRESSURE DROP PSI

BAR

GPM

l/min

5045403530252015105

MIN FLOW

VALVE

XL-150

3.43.12.82.42.11.71.410.70.3 1301241171101039586746144 492469443416390360

326

280231

167

DOUBLE FLOWRATE WHEN BOTH VALVES ARE OPERATING

SINGLE VALVE ASSEMBLY FLOWRATES SHOWN

(MINIMUM FLOW RATE HAS BEEN DOUBLED TO 6GPM)

PRESSURE DROP PSI

BAR

GPM

l/min

5045403530252015105

MIN FLOW

VALVE

XL-200

3.43.12.82.42.11.71.410.70.3 2081981881741631481351179669 787750712659617560

511

443363

216

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