The useful lifespan of the UV-C lamp (20) is approximately 12,000 hours. To keep your UV
Purification System running at optimal performance, the UV-C lamp (20) should be replaced every
12-18 months of usage (during a drain and refill maintenance point falling between this time
frame).
NOTE: Only use a proper replacement UV-C lamp (20), which can be acquired through your Master
Spas Dealer or Service Center.
UV-C LAMP (20) REPLACEMENT INSTRUCTIONS:
DANGER: Turn the spa breaker to OFF position.
a. Open the spa controller’s cover and disconnect the unit from the spa controller.
WARNING: Allow UV-C lamp (20) to cool down prior to removing from the unit.
DANGER: Never look at the lit UV-C lamp (20). This can cause severe eye damage or blindness.
b. Remove enclosure cover (14).
c. Make sure to use latex glove when handling the UV-C lamp (20).
d. Slowly disconnect old UV-C lamp connector (17) from ballast connector (16).
e. Slowly remove old UV-C lamp (20) from quartz tube (6). Save the upper cushion (19) &
lower cushion (21).
f. Install the upper cushion (19) & lower cushion (21) to the NEW UV-C lamp (20).
g. Slide the NEW UV-C lamp (20) into the quartz tube (6).
h. Reconnect the NEW UV-C lamp connector (17) to the ballast connector (16). Make sure the
connectors mate completely. Do not use force.
i. Reinstall the enclosure cover (14) with gasket (13) and secure with screws (15).
j. Reconnect the unit to the spa controller and reinstall the spa controller’s cover.
k. Turn ON the power to the spa.
l. Once power is activated you can check the ballast to see if the unit is functioning. A solid
green light indicates the unit is being provided power and should always be on. A solid red
light indicates that UV-C lamp is activated.
WARNING: The UV-C lamp used in this unit contains mercury. Properly dispose the old UV-C lamp
in accordance with disposal laws. See www.lamprecycle.org.
UV Purification System (if equipped)
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