M E D A S SO C I A T E S I NC .
E N V - 5 9 7 W AT E R M A Z E P O O L H E AT E R
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DOC-213 Rev 1.2 Copyright © 2013
MED Associates, Inc.
CHAPTER 2 | THERMOSTAT SETTINGS
Setti ng the Temperature
In order to set the temperature, or make other settings changes, remove the four Phillips screws
from the corners of the clear protective cover to gain access to the keypad. Be sure your work
area is clean and dry before removing the cover.
The upper red display labeled
PV
(present value) is the current temperature of the water. The
lower green display labeled
SV
(set value) is your desired temperature.
To adjust the
SV
(set value):
1.)
Press and release the
SET
button once, the display will now illuminate all four digits of
the green
SV
display. The “ones” digit will be highlighted and active.
2.)
Press the
^
or
˅
keys to increase or decrease the temperature in increments of 1˚C.
3.)
Press the
<r/s
key and use the
^
or
˅
keys to increase or decrease the temperature in
increments of 10˚C.
4.)
Repeat step 3 if you need to adjust the “hundreds” digit value.
5.)
Press and release the
SET
key to exit
6.)
Replace the clear protective cover
Changing to ˚F
In order to change the temperature display to ˚F:
1.)
Press and hold the
SET
button until the top red display reads
Aru
.
2.)
Press and release the
SET
button three times until the top red display reads
LCK
. The
bottom green display should read
0011
indicating the settings menu is locked.
3.)
Use the
<r/s
and
^
and
˅
keys to change the
LCK
value to
1000
and then press the
SET
key. The settings menu is now unlocked and changes can be made.
4.)
Press and hold the
SET
key to exit this menu.
5.)
Press and hold the
SET
and
<r/s
keys simultaneously until the top red display reads
Cod
.
6.)
Press the
SET
key two times until the top red display reads
SL2
7.)
Use the
<r/s
and
^
and
˅
keys to adjust the value of
SL2
to
0001
8.)
Press the
SET
key
9.)
Press and hold
SET
and
<r/s
simultaneously to exit the
Cod
menu
10.)
Repeat steps 1-4 to change the
LCK
value back to
0011
to prevent unwanted settings
changes
11.)
Replace the clear protective cover