SETUP INSTRUCTIONS
INLET
COLD
HOT
INLET
VALVE
SMALL
THERMOMETER
V2
VALVE
LARGE
V1
6. Set outlet temperature of the large Type TM Valve to the
required level.
7. Open outlet Valve V1 at the small TM Valve.
8. Shut outlet Valve V2 at the large TM valve.
9. Turn on enough fixtures for a flow of at least 2 GPM
(7.6 l/min) downstream from this system. Make sure
each fixture is set to deliver full "HOT" water.
10. Set outlet temperature of the small TM valve to the same
temperature as the large TM Valve.
11. Open outlet Valve V2. System is operational. To balance
circulation system temperature, see page 4 & 5.
1. The High-Low Unit MUST be piped according to a
Leonard Required Piping Method (see page 4 & 5).
2. Make sure full hot and cold supplies to this assembly are
operating. The temperature of the hot water source must
be properly set and maintained.
3. The circulator (if used) must be turned OFF before setup.
4. Turn on enough fixtures for a flow of at least 30 GPM
(114 l/min.) downstream from this system. Make sure
each fixture is set to deliver full "HOT" water.
5. Close outlet Valve V1 at the smaller Type TM Valve
6. Make sure Valve V2 at the large Type TM Valve is in the
full open position.
•NOTE! FOR OPTIONAL OUTLET SETUP PIPING ARRANGEMENT, SEE PAGE 8
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