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INSTALLATION WITHOUT REPLACEMENT PANEL REPLACEMENT PANEL PART NUMBERS 1. Locate area for installation of the unit.The unit should be installed as BRAND CAPACITIES PART NUMBER close to wall as possible. Mark wall as shown in Figure 4 and cut a sueuaeAN8 GALLON 6276APW(Polar white) 3.750"Diameter hole for vent installation. On mesa or yoder type side walls,it may be required to flatten area where vent is to be installed to SUBURBAN 10.12,t6 GALLONS 6277APW(Polar white) ensure seal around vent assembly. ATWOOD 6 GALLON 521147(Polar White) 2. Place unit on floor(verify vent cap lines up with exhaust tube and ATWOOD 10 GALLON 521150(Polar White) combustion air opening in unit). - a. Drain lines must be connected to the system and condensation NUMBERVENT CAP T VENT CAP LENGTH "X"MAX DIMENSION SEE FIGURE 7A drains on the On Demand water heater and ran to the outside 260616 0-1 inches 1.171 inch of the RV. Drain Lines should be as short as possible and must maintain a drop of 1/4"per foot from unit. See Figure 5. 260617 1-2 inches 2.171 inch 3. Install vent assembly. See Figure 6. 260618 2-3 inches 3.171 inch a. Vent cap must be ordered separately. See TABLE 1 for 260638 5-6 inches 6.171 inch vent sizes and part numbers. A minimum overlap of 1.25" is TABLE 1 required on exhaust. b. Apply a bead of silicone around the vent cap as shown in Figure 6. c. Install vent cap as shown in Figure 6 with screws. Ensure MAKING ELECTRICAL CONNECTIONS assembly is sealed to outside wall to prevent leaks. 12 VOLTS D.C. (SEE FIGURE 11) 4. Screw the front of the unit to the Floor using the two brackets as shown in A. The electrical connections must be made in accordance with Figure 5. local codes and regulations. In the absence of local codes and 5. Make electrical, drain, water and gas connections following regulations, refer to the latest edition of the National Electrical instructions contained in this manual or the manual supplied with Code NFPA 70. the Suburban NAUTILUS(IW60)On Demand Water Heater. In Canada,the electrical installation should conform with CSA standard 2240.6.2-08/C22.2 No. 148-08 Electrical Requirements for INSTALLATION USING REPLACEMENT PANEL Recreational Vehicles. A replacement panel is used when replacing Suburban 6, 10, 12, and B. Make the 12 Volt D.C. electrical connections following the wiring 16 gallon tank units and Atwood Style 6 and 10 gallon tank units. diagram illustrated in Figure 11. 1. On mesa or yoder type sidewalls, flatten the wall area around the If the power supply is to be from a converter, we recommend that the opening. converter system be wired in parallel with the battery. This will serve 2. Apply a continuous line of suitable caulk on the RV wall around two purposes: all four sides of the opening and around back side of replacement 1. Provide a constant voltage supply panel frame as shown in Figure 8.This caulk is required to create 2. Filter any A.C. spikes or volt surges water tight seal of the frame to the RV wall. We recommend insulated terminals be used forall electrical connections. 3. Center and insert caulked replacement panel frame into opening. Push frame firmly against RV wall over caulking previously applied INSTALLATION OF SWITCH AND LIGHT ASSEMBLY in step 2. Secure frame with the eight(8)supplied screws into RV (SEE FIGURE 12) wall as shown in Figure 8. 1. ON/OFF switch is wired as shown in wiring diagram. See Figure 11. 4. Locate the water heater cabinet approximately even with the inside 2. There is a connection for a lockout light (If used,this light will come RV wall. See Figure 7B. If securing the unit to the floor using on if the unit goes into lockout. Water must be turned off and back on the FRONT mounting brackets, proceed to STEP 5. To mount the to re-cycle the unit.) water heater using the REAR mounting method, remove the two 3. Connect ORANGE wire to LED lamp(+)and BLUE wire to LED lamp(-). mounting brackets from the front of the unit and secure them to the threaded holes at the rear of the unit. Screw the rear of the unit to INSTALLATION OF OPTIONAL ON DEMAND the floor using the two brackets. See Figure 7B. CONTROL CENTER (SEE FIGURE 13) 5. Using the gasket supplied with the kit, apply the gasket beginning 1. On Demand Control Center is wired as shown in wiring diagram. See at the center bottom of the replacement panel frame. Adhere the Figure 11. adhesive side of the gasket to the replacement panel frame and 2. Locate the On Demand Control Center on a wall surface adjacent install the gasket all the way around the frame. Ensure the ends of to the On Demand water heater. the gasket meet at the center bottom of the access panel frame. 3. Remove back cover from control center by depressing latch at bottom. 6. Attach the replacement panel to the frame as shown in Figure 8 4. Remove center knockout from back cover. Drill hole for wiring from using the five(5)screws provided. control center. See Figure 14. 7. Vent cap must be ordered separately. See Table 1 for vent sizes and 5. Mount back cover to the wall. part numbers.There must be a minimum of 1.25" (31.8mm)overlap S. Route wiring through back cover and hole into wall. of vent assembly tube over exhaust tube on the On Demand Water 7. Connect the two white wires from the On Demand Control Center Heater and the replacement panel must compress the replacement to the two white wires from the On Demand water heater. See panel gasket. See Figure 7A. Figure 11. a. Apply a bead of silicone around the vent cap as shown in TheoptionalOn Demand Control Center displays the water temperature Figure 8. and also allows outlet water temperature to be adjusted (130°F b. Install vent cap as shown in Figure 8 with four (4) screws. maximum). Ensure assembly is sealed to outside wall to prevent leaks. ON DEMAND CONTROL CENTER PART NUMBER 8. Screw the front of the unit to the floor using the two brackets as shown in Figure 5. BLACK 161253 9. Apply silicone caulk around the beveled edges of the replacement WHITE 161252 panel as shown in Figure 8. Do not caulk the bottom of the replacement panel. 10. Make electrical drain, water and gas connections following instructions contained in this manual or the manual supplied with the Suburban NAUTILUS(IW60)On Demand Water Heater. 4