Leonard XL-150-2P Leitfaden
1
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
20
40
°F
0
140
30
100
20
60
LEONARD
-10
°C
0
10
50
120
40
R
60
80
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
L
E
O
N
A
R
D
V
A
L
V
E
C
O
.
W
A
R
M
E
R
LF LF
L
E
O
N
A
R
D
V
A
L
V
E
C
O
.
W
A
R
M
E
R
10
-10
20
0
40
140
°F
0
60
°C
50
LEONARD
20
40
R
30
120
100
60
80
!
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
2
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
20
40
°F
0
140
30
100
20
60
LEONARD
-10
°C
0
10
50
120
40
R
60
80
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)
CT
ISOLATION
VALVE
CHECK
TEMPERED
VALVE #1
BALL BALL
VALVE #2
3
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
4
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
5
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
6
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
© 2018 Leonard Valve Company
Printed in USA
PRESSURE DROP PSI
BAR
GPM
l/min
5045403530252015105
MIN FLOW
6
23
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
10
46
VALVE
XL-200
3.43.12.82.42.11.71.410.70.3 2081981881741631481351179669 787750712659617560
511
443363
216
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