L4031A,C POOL HEATER AQUASTAT® CONTROLLER
60-2107—5
5
GAS BURNER CONTROL
PP PP TH1 TH2
POWERPILE®
GENERATOR
REVERSE-ACTING
PRESSURE CONTOLLER
L4031 POOL HEATER
AQUASTAT® CONTROLLER
POOL
CONTROL
HIGH
LIMIT
M4538
Fig. 6. Typical L4031 connection in a
self-generating gas system.
SETTING AND CHECKOUT
Setting
To set the control point of each control, insert a screwdriver in
the slotted head visible through the cover, and turn the dial of
each control to the desired setting (Fig. 7).
Because systems differ, the correct setting for one system
may not apply to another. In all cases, the equipment manu-
facturer recommendations for setting should be followed.
Checkout
WARNINGCAN CAUSE PROPERTY DAMAGE,
SEVERE INJURY OR DEATH.
This product is intended for use only in systems with a
pressure relieve valve.
Always conduct a thorough checkout when the installation is
complete. Make sure the controller was installed and adjusted
properly by putting it into operation and observing at least one
complete cycle. Further adjustment can then be made to
provide for more exact requirements.
M4540
POOL CONTROL
POINT SETTING
SCREW
HIGH LIMIT
CONTROL POINT
SETTING SCREW
Fig. 7. Internal closeup view of L4031A pool heater
Aquastat® Controller setting screws.