Lochinvar RPD-I-S Operation & User’s Manual

31, RPD-I-S Rev A 31 Water Connections Note: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main water supply, open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while ma…

18, RPD-I-S Rev A 18 Venting continued- THROUGH THE ROOF VENTING: (VERTICAL VENTING CONCENTRIC VENT TERMINAL): Cut the necessary holes through the roof and ceiling and install the vent connector as shown in Figure 7. Make sure that the installation meets the local codes an…

7, RPD-I-S Rev A 7 Installation (Locating The Water Heater) continued- The water heater must be located close enough to the outside wall to keep the venting distance within the maximum distance described in the installation instructions. Read the venting section in this inst…

37, RPD-I-S Rev A 37 GENERAL OPERATION TO FILL THE WATER HEATER 1. Close the water heater drain valve by turning the stem clockwise. 2. Open the cold water supply shut-off valve. 3. Open several hot water faucets to allow air to escape from the system. 4. When a steady…

13, Lochinvar RPD-I-S RPD-I-S Rev A 13 Venting continued- NOTE: When using 4” (10.2 cm) vent pipe, use two 4” (10.1 cm) to 3” (7.6 cm) reducers for each portion of the vent. One reducer is installed just after the blower and the other reducer is used just prior to exiting the b…

10, RPD-I-S Rev A 10 Venting continued- Vent pipes serving power vented appliances are classified by building codes as “vent connectors”. Required clearances from combustible materials must be provided in accordance with information in this manual under LOCA…