Maximum Temperature; Adjustment - Ruud AP15318 Use & Care Manual

The content on this page is intended for use by qualified
WARNING: Improper adjustment,
alteration, service or maintenance can
cause property damage, personal injury,
or death.
Maximum Temperature A djustment by
the Main Remote Control (UMC-­117)
Required adjustment for up to 140°F (60°C)
water temperature settings for Residential
product.
WARNING: Refer to scald potential
!
warnings on page 4 before making adjustment.
Changing this setting is done at your own risk.
DO NOT execute the following adjustment if the
setting of up to 140°F (60°C) is not required.
Follow the instructions below if it is determined that
a setting of up to 140°F (60°C) is required.
Turn on the remote control. Turn off the gas
G
and water shutoff valves.
Press the UP arrow temperature adjustment
G
button on the remote control for several times
and set the temperature at 120°F (49°C).
Press and hold the UP button on remote
G
control for more than 5 seconds. Number
(120) on the display of the remote control will
begin to blink.
While the number is blinking, push the UP
G
arrow temperature adjustment button and
the Down arrow temperature adjustment
button at the same time. The display of the
remote control will show "140".
Push the UP or Down button to set desired
G
temperature.
Turn on the gas and water shut off valves.
G
Check and ensure safe operation and
G
performance of the water heater.
Notice: Display shows
°F only.
30
AP15318 tankless 10 30 09.indd 30
installation/service personnel ONLY.
!
potential for Hot Water SCALDS.
Table courtesy of Shriners Burn Institute
See steps below to LIMIT maximum water
temperature setting to 120°F (49°C).
G
G
G
G
G
G
G
In Use Indicator
(Lit during operation)
LED Display
(Displays water
temperature and error
codes)
100 102 104 106 108 110 112 114 116 118 120
85
38 39 40 41 42 43 44 46 47 48 49
29
DANGER: Hotter water increases the
Time/Temperature Relationship in Scalds
Water Temperature
Time To Produce a Serious Burn
120°F (49°C) More than 5 minutes
125°F (52°C) 1-­1/2 to 2 minutes
130°F (54°C) About 30 seconds
135°F (57°C) About 10 seconds
140°F (60°C) Less than 5 seconds
145°F (63°C) Less than 3 seconds
150°F (66°C) About 1-­1/2 seconds
155°F (68°C)
Turn on the remote control. Turn off the gas
and water shutoff valves.
Press the Down arrow temperature adjustment
button on the remote control for several times
and set the minimum setting temperature
(100°F(38°C) or 85°F(29°C)).
Press and hold the Down button on the remote
control for more than 5 seconds. Number on the
display of the remote control will begin to blink.
While the number is blinking, push the Down
arrow t emperature a djustment b utton a nd t he U P
arrow t emperature a djustment b utton a t t he s ame
time. N umber o f t he d isplay o f t he r emote c ontrol
will stop blinking.
Push the UP or Down button to set desired
temperature.
Turn on the gas and water shut off valves.
Check and ensure safe operation and
performance of the water heater.
PRIORITY
°F
POWER
ON/OFF
Higher (Hotter) Lower (Cooler)
°F
125* 130* 140*
°C
52* 54* 60*
About 1 second
Priority Indicator
Temperature
Adjustment
Buttons
ON/OFF
Indicator
11/9/2009 3:17:48 PM