A.O. Smith GWV - 200 - Manual

Instruction manual GWV 9 gis 1 Introduction 1.1 About the appliance This manual describes how to install, service and use the GWV appliance. This appliance is a closed, gas-fired water heater with a fan in the air supply. The appliance is always supplied together with a storage tank.The possible cat...

Introduction 10 Instruction manual GWV 1 gis Furthermore, the installation must comply with the manufacturer's instructions. Note Later amendments and/or additions to all regulations, requirements and guidelines published on or prior to the moment of installing, will apply to the installation. 1.4 T...

Working principle of the appliance 16 Instruction manual GWV 2 gis 2.4 Protection for the appliance 2.4.1 Introduction The electronic controller monitors the water temperature and ensures safe combustion. This is achieved by:• the Water temperature protection • the Gas control • the Fan • the Pressu...

Instruction manual GWV 17 gis Pressure measurements are made at the air distribution plate (high pressure) and in a Venturi in the burners (low pressure).The table shows the trip point per appliance. Note The trip point of the pressure switch is not adjustable. Pressure switch trip points 2.4.6 Flam...

Working principle of the appliance 18 Instruction manual GWV 2 gis 2.5 Safety of the instal-lation As well as the standard safeties in the appliance (2.4 "Protection for the appliance") , it must also be protected by an inlet combination and a pressure- reducing valve. A P-valve is also used...

Instruction manual GWV 19 is 3 Installation Warning Installation work should be carried out by an approved installation engineer in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire service.The appliance may only be installed in a roo...

Installation 20 Instruction manual GWV 3 is 3.3 Environmental conditions Caution An open appliance may not be used in rooms where chemical substances are stored or used due to the risk of explosion and corrosion of the appliance. Some propellants, bleaching agents and degreasing agents etc. disperse...

Instruction manual GWV 21 is 3.3.3 Water composition The appliance is intended for heating drinking water. The drinking water must comply with the regulations governing drinking water for human consumption. The table gives an overview of the specifications. Water specifications Note If the water spe...

Installation 22 Instruction manual GWV 3 is 3.4 Technical specifica-tions Check the dimensions (3.4.1 "Dimensions of the appliance") , the gas data (3.4.3 "Gas data") and other specifications (3.4.2 "General and electrical specifications") of the appliance. 3.4.1 Dimensions o...

Instruction manual GWV 23 is Dimensions (all measurements in mm unless otherwise indicated) 3.4.2 General and electrical specifications Chimney data 1) Stated lengths and bends apply for both flue gas removal and air supply Tap capacity Size Description GWV 120 GWV 150 GWV 200 A Overall height 835 8...

Installation 26 Instruction manual GWV 3 is 3.6 Water connections, Vented Warning The installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "Regulations") . 3.6.1 Cold water side See (A) in the installation diagram (3...

Installation 28 Instruction manual GWV 3 is 6. Put the cap back on the adjuster unit.7. Insert the adjuster unit back in the pump.8. Fit the cap back on the pump. 3.7 Water connections, Unvented Warning The installation should be carried out by an authorised installation engineer, in compliance with...

Instruction manual GWV 29 is 3.8 Gas connection Warning The installation should be carried out by an authorised installation engineer, in compliance with general and local regulations (1.3 "Regulations") . Caution Make sure that the diameter and length of the gas supply pipe are large enough...

Instruction manual GWV 31 is 3.9.3 Parallel connections The air supply duct and flue gas outlet duct for the GWV 120, 150 and 200 exit the appliance separately. They must be connected (3.9.2 "Requirements for flue gas discharge materials") to the concentric wall conduit or roof conduit using...

Instruction manual GWV 33 is Specification of condensation outlet for uninsulated lengths greater than 8 metres and no more than 20 metres 3.10 Electrical connection Warning The installation should be carried out by an authorised installation engineer, in compliance with general and local regulation...

Instruction manual GWV 35 is Electrical connector block 3.10.3 Connecting the mains voltage The appliance is supplied without a power cable and isolator. Note To provide the appliance with voltage, the appliance must be permanently connected to the mains voltage. A double-pole isolator with a contac...

Installation 36 Instruction manual GWV 3 is 4. If you do not need to make any more connections: - Fit the protector plate onto the electrical connector block. 3.10.5 Connecting an external on/off switch There is an option for connecting an external ON/OFF switch. In the OFF position, the programmed ...

Installation 38 Instruction manual GWV 3 is The display will now show INTERNAL CHECK for about 10 seconds and go to the main menu. 7. Activate the "ON mode" by going through the following steps: - Press the blue arrow once ( ) to position the cursor in front of ON and press . The display sho...

Instruction manual GWV 39 is 3. Cover the opening of the adjusting screw and check the burner pressure against the value given in the gas table (3.4.3 "Gas data") . 4. If the pressure is not set correctly, repeat the preceding steps until the correct pressure is attained. 5. Fit the cap (4) ...

Instruction manual GWV 43 gis 5 Filling 5.1 Installation diagram This figure shows the installation diagram. This diagram is used in the sections in which the actual connection process is described. Installation diagram Unvented A 1 5 15 16 4 4 14 14 14 65 4 23 3 11 11 11 D 10 9 9 12 B C IMD-0486 R2

Instruction manual GWV 47 gis 6 Draining 6.1 Installation diagram This figure shows the installation diagram. This diagram is used in the sections in which the actual connection process is described. Installation diagram Unvented A 1 5 15 16 4 4 14 14 14 65 4 23 3 11 11 11 D 10 9 9 12 B C IMD-0486 R...

Instruction manual GWV 51 gis 7 The control panel 7.1 Introduction Topics covered in this chapter:• Operation ; • Meaning of icons ; • Electronic controller ON/OFF switch ; • Navigation buttons ; • PC connection . 7.2 Operation The entire appliance is controlled and monitored by the ThermoControl (t...

The control panel 52 Instruction manual GWV 7 gis The ^ and È indicate that you can scroll up and/or down. Use the and buttons to scroll. The cursor » points to the option to be activated. In the display as shown in the figure, you can scroll through the main menu.The main menu comprises: OFF , ON ,...

Instruction manual GWV 53 gis 8 Status of the appliance 8.1 Introduction Topics covered in this chapter, in sequence:• Operating modes • Error conditions • Service condition • Warning 8.2 Operating modes When running, the appliance has four basic operating modes, namely:• OFF • ON • PROG • EXTRA 8.2...

Status of the appliance 54 Instruction manual GWV 8 gis In all modes, the temperature may at any moment drop below the desired temperature. The appliance then enters a heating cycle. This heating cycle is identical (2.3 "The appliance's heating cycle") for all basic operating modes. Note Set...

Instruction manual GWV 55 gis 9 Starting and running 9.1 Introduction Topics covered in this chapter, in sequence:• Starting and running . • The appliance's heating cycle . 9.2 Starting and running Start the appliance as follows:1. Fill the appliance (5 "Filling") . 2. Open (3.5 "Install...

Instruction manual GWV 59 gis 10 Shutting down 10.1 Introduction This chapter describes:• Shutting the installation down for a brief period ("OFF mode") ; • Isolating the appliance from the mains ; • Shutting the appliance and storage tank down for a long period . 10.2 Shutting the installat...

Instruction manual GWV 61 gis 11 Main menu 11.1 Introduction The MENU is reached by pressing the button of the electronic controller. The main menu comprises:• OFF Select this option if you wish to shut the appliance down (10 "Shutting down") for a brief period, but do not wish to drain it. ...

Main menu 62 Instruction manual GWV 11 gis • Confirm with .After confirming, the appliance enters "ON mode". Note If the temperature setting is higher than the current water temperature, it is possible that the appliance will not immediately start heating. To prevent excessively frequent swi...

Main menu 64 Instruction manual GWV 11 gis 11.7.4 Week program: setting the program-controlled pump 1. If required, a pump can be controlled during the period. Use and to set PUMP ON The pump ensures a regular circulation of hot water in the hot water pipes. You can skip this step if you there is no...

Instruction manual GWV 65 gis 11.9 Deleting times from a week program All switch-on/off times are shown sequentially in the display. Assume that the switch-on/off times for the appliance are programmed as in the figure. To delete a period, proceed as follows: The display shows the menu for the week ...

Main menu 66 Instruction manual GWV 11 gis 11.11 Programming an extra period 1. Call up the menu for entering an extra period via:2. : EXTRA PERIOD Confirm with . The display show the settings for the extra period. 11.11.1 Setting the switch-on time 1. Use and to set the day. In the example, this is...

Main menu 68 Instruction manual GWV 11 gis Confirm the minute setting with The time has been set. Note The appliance takes no account of summer time. 11.12.3 Displaying appliance specifications Note This category is only relevant to the installation engineer and/or service and maintenance engineer. ...

Instruction manual GWV 69 is 12 Service program 12.1 Introduction The service program is used by the installation engineer or service and maintenance engineer for:• Setting the hysteresis ; • Displaying the error history ; • Displaying the appliance history ; • Displaying the appliance selection ; •...

Instruction manual GWV 73 gis 13 Troubleshooting 13.1 Introduction A distinction is made between:• General errors General errors are not reported on the display. General errors are:- Gas smell - Display does not light up - Insufficient or no hot water. - Water leakage - Explosive ignition. The manua...

is Instruction manual GWV 74 13.2 Troubleshooting table for general errors Warning Maintenance may only be performed by a qualified service and maintenance engineer. General errors Features Cause Measures to take Comment Gas smell Gas leak Warning Close the main gas valve immediately. Warning Do not...

is Instruction manual GWV 76 13.3 Troubleshooting table for displayed errors Displayed errors Code + description Cause Measures to take Comment S01 (blocking error) Open circuit for temperature sensor T 1 , inlet to heat exchanger Sensor is not (correctly) connected Connect the sensor lead to JP3 Se...

Instruction manual GWV 87 is 14 Maintenance frequency 14.1 Introduction A service should be carried out at least once a year, both on the water side and on the gas side. Maintenance frequency depends, among other things, on the water quality, the average burning time per day and the set water temper...

Instruction manual GWV 89 s 15 Performing maintenance 15.1 Introduction Caution Maintenance may only be performed by a qualified service and maintenance engineer. At each service, the appliance undergoes maintenance on both the water side and the gas side. The maintenance must be carried out in the ...

Instruction manual GWV 91 s 15.3 Water-side mainte- nance 15.3.1 Introduction The following steps must be carried out on the water side:1. Checking the anodes 2. Descaling and cleaning the storage tank 15.3.2 Checking the anodes Timely replacement of the anodes extends the service life of the applia...

Performing maintenance 92 Instruction manual GWV 15 s 15.4 Gas-side mainte- nance 15.4.1 Introduction The following steps must be carried out on the gas side:1. Clean the burner(s) 2. Clean the injector(s) 3. Cleaning the aluminium strips 15.4.2 Clean the burner(s) 1. Dismantle first the yellow flex...

Instruction manual GWV 93 gis 16 Warranty (certificate) To register your warranty, you should complete and return the enclosed warranty card after which a warranty certificate will be sent to you. This certificate gives the owner of a appliance supplied by A.O. Smith Water Products Company B.V. of V...

Warranty (certificate) 94 Instruction manual GWV 16 gis 16.4 Exclusions The warranty set out in articles 1 and 2 will not apply in the event of: a. damage to the appliance caused by an external factor;b. misuse, neglect (including frost damage), modification, incorrect and/or unauthorised use of the...

Instruction manual GWV 95 is 17 Appendices 17.1 Introduction This appendix contains:• Electrical diagram (17.2 "Electrical diagram") • Week program card

Appendices 96 Instruction manual GWV 17 is 17.2 Electrical diagram Electrical diagram 1 = brown, 2 = blue, 3 = yellow/green, 4 = black, 5 = white, 6 = orange, 7 = red Q A XX X X X X X X X X X X X X X X X X X XX X X X X X X X X X X X XX X X X X X X X X X X X X X X X X X X 3 3 3 X J35 JP12 J37 JP6 J36...

Instruction manual GWV 99 17.3 Week program card You can cut the week program card out and keep it near the appliance. Example Period DAY TIME Tset Pump 1. ON ....°C ON / OFF OFF 2. ON ....°C ON / OFF OFF 3. ON ....°C ON / OFF OFF 4. ON ....°C ON / OFF OFF 5. ON ....°C ON / OFF OFF 6. ON ....°C ON /...

Instruction manual GWV 101 Index A ambient temperature 20appliance displaying history 69displaying selection 70 C connect air supply 29cold water side 26, 28electrical 33hot water side 28 connecting cold water side 26, 28connecting flue gas discharge 29connecting hot water side 28controls 61conversi...