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Summary of Contents for RVR Solar RVR 200L
- Page 1 Installation and operating instructions RVR 200L, 250L AND 300L 316 STAINLESS STEEL WATER HEATERS INSTALLATION AND OPERATING INSTRUCTIONS READ CAREFULLY BEFORE INSTALLING THE WATER HEATER. LEAVE THESE INSTRUCTIONS WITH THE END USER. Approval Number: 1003062 Version 20100423...
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Page 2: Table Of Contents
Installation and operating instructions Table of Contents Page Title 1.0 Introduction 1.1 Reading the instructions 1.2 Guarantee 2.0 Technical Specifications 2.1 Capacity and Performance 2.2 Dimensions 2.3 Installation options 2.3.1 Unvented System 2.3.2 Open / Vented System 3.0 Recirculation 4.0 Installation General Requirements 5.0 Discharge Pipes from Safety Valves 5.1 Tundish Installation 5.2 High Level Termination of discharge... -
Page 3: Introduction
Installation and operating instructions 1.0 Introduction 1.1 READING THE INSTRUCTIONS Please read and ensure that you fully understand these instructions prior to installing the water heater. Following installation and commissioning the operation of the heater should be explained to the customer and these instructions left with them for future reference. -
Page 4: Technical Specifications
Installation and operating instructions 2.0 Technical Specifications 2.1 Capacity and Performance RVR 200L RVR 250L RVR 300L Nominal Capacity Litres Max. Normal DHW Pressure Max. Normal Primary Pressure Max. Operating Temperature °C Standing Heat Loss kWh/24h 1.21 1.48 1.74 Dedicated Solar Volume... -
Page 5: Dimensions
Installation and operating instructions 2.2 Dimensions Figure 1 - Connections Dimensions 200L 250L 300L 1480 1835 2170 1000 1147 1138 1417 1682 1220 1555 1867 1300 1655 1970 Dry Weight Full Weight Table 2– Dimensions of Water Heater Figure 2 - Dimensions of water heater... -
Page 6: Installation Options
Installation and operating instructions 2.3 Installation Options This water heater may be used in either open vented systems or in unvented installations. In unvented instal- lations, the optional unvented kit (RVR Stock No: ACW018) must be used to ensure a safe installation. The un- vented kit contains items 2, 3, 5, 6 and 11 as shown in figure 3 together with an expansion vessel hose and pres- sure gauge. - Page 7 Installation and operating instructions WARNING: All water heaters must be fitted with temperature control to ensure that the domestic water is not heated to temperatures above 60°C The following safety devices must be fitted to the water heater when used in an un- vented system: Stop Valve: This allows the system to be isolated from the cold water supply.
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Page 8: Open / Vented System
Installation and operating instructions 2.3.2 Open / Vented System Stop Valve Drain Valve Mixing Valve Zone Valve Cold Water Cistern Vent Pipe Lower Coil Temperature sensor Dry Pocket Upper Coil Temperature Sensor Dry Pocket WARNING: All water heaters must be fitted with temperature control to ensure that the domestic water is not heated to excessive tem- peratures. -
Page 9: Recirculation
Installation and operating instructions 3.0 Recirculation A secondary return may be fitted. A non-return valve must be fitted to prevent back-flow and a bronze recirculation pump will be needed in con- junction with a pipe thermostat to circulate the hot water. Almost all installations will be fitted with a blending valve. -
Page 10: Installation General Requirements
Installation and operating instructions 4.0 Installation - General Requirements: Check the load bearing capacity of any floors or walls to ensure that they can support the weight of the water heater when filled to capacity. Refer to table 2 for full weight of the water heater. Enough space should be left at the top and sides of the unit for pipe connections and access to the safety con- trols and valves. -
Page 11: High Level Termination Of Discharge
Installation and operating instructions The discharge pipework from the tundish: Must fall continuously through its length. Must be of a heat resistant material, e.g. metal. Must not be fitted with any valves or taps. Must discharge to a safe visible position, e.g. onto the surface of an external wall or into a gulley. Must have a minimum of 300 mm straight pipework directly from the tundish. -
Page 12: Discharge Pipe Sizing Example
Installation and operating instructions 5.3 Discharge Pipe Sizing Example This example shows how to select pipe diameter for a given discharge pipe. For this example we will assume we are using a G½ temperature relief valve and require 4 elbows in the dis- charge pipe run. -
Page 13: Maintenance Procedures
Installation and operating instructions 7.0 Maintenance Procedures 7.1 Draining and Refilling the System Draining 1. Switch off electrical power to immersion heater(s) and/or solar station and/or shut down the boiler. 2. Close the Stop Valve. 3. Open a hot water tap in order to reduce pressure in the water heater. 4. -
Page 14: Commissioning
Installation and operating instructions 8.0 Commissioning It is important to follow the steps outlined below during commissioning. Do not switch on the electrical supply, solar station or boiler until the unit has been filled with water and checked for leaks. Check that all installation, electrical and discharge pipe requirements have been met. -
Page 15: Troubleshooting
Installation and operating instructions 9.0 Troubleshooting FAULT POSSIBLE CAUSES REMEDIAL MEASURES Check electrical supply. Verify the Water not heating Electrical supply fault operation of boiler and controls. Check cut-out. If it has activated then reset and check thermostat operation. If necessary replace thermostat/thermal Thermal cut-out tripped cut-out (see Wiring Diagram) Check thermostat operation, replace if... - Page 16 Installation and operating instructions Manufacturer details:...
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