Rheem 95 Direct Vent Indoor Series Use and Care Manual - Page 35
For High Altitude Installation above 3,280
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The content on this page is intended for use by qualified installation/service personnel ONLY. WARNING: Improper adjustment, altera- tion, service or maintenance can cause prop- erty damage, personal injury, or death. Minimum Temperature Adjustment by the Main Remote Control (UMC-117, USC1-117 and USC2-117) Required adjustment for 85°F (29°C) water temperature setting. High Altitude DIP Switch Adjustment For High Altitude Installation above 3,280 Feet (1,000m): When the water heater is installed above 3,280 feet (1,000m), the adjustment of DIP switch is required for high altitude installation. Without adjusting the DIP switch, the water heater may not function properly. NOTICE: If the water heater is installed less than 3,280 feet (1,000m), no action is required. Follow the instruction below if it is determined that a How to adjust the DIP switch on the PCB for high setting of 85°F (29°C) is required. altitude installation: G Turn on the remote control. Turn off the gas and water shutoff valves. G Press the Down arrow temperature adjustment but- ton on the remote control for several times and set the temperature at 100°F (38°C). G P ress the Down button on remote control 3 times within 5 seconds. The display of the remote con- trol will show "85". G Turn on the gas and water shut off valves. G C heck and ensure safe operation and performance of the water heater. NOTICE: 7KHPD[LPXPÀRZUDWHDW LV 1.3 gpm (5.0 l/m). G C heck the altitude (above sea level) where the water heater is installed. G I f the altitude is more than 3,280 feet (1,000m), the adjustment of DIP switch is required. G T urn off the gas shut off valve and water shutoff valve. G Remove the front cover. G F ind the two DIP switches located at the top right hand side of the PCB. The switch labeled "DIP 2" is the bottom switch. G C hange the DIP switch #3 setting of DIP 2 to "ON" position if the water heater is installed above 3,280 feet (1,000m) below 6,560 feet (2,000m). See the diagram below. DO NOT alter any other DIP Switch. G C hange the DIP switch #4 setting of DIP 2 to "ON" position if the water heater is installed above 6,560 feet (2,000m) below 9,840 feet (3,000m). See the diagram below. DO NOT alter any other DIP Switch. NOTICE: Manifold pressure will be reduced by ON ON this adjustement. DIP2 DIP Switches 1 2 3 4 1 23 4 OFF G Attach the unit's front cover. G T urn on the gas shutoff valve and water shutoff valve. G C heck and ensure safe operation and performance of the water heater. PCB Location of DIP Switches on PC Board. ON 1 2 3 4 As set from factory ON 1 2 3 4 Dip switch adjustment 3,280 feet (1,000m) thru 6,560 feet (2,000m) ON 1 2 3 4 Dip switch adjustment 6,560 feet (2,000m) thru 9,840 feet (3,000m) AP15317 (10_09) DV Gas Manual 10 30 09.indd 35 35 11/9/2009 3:10:39 PM