Lochinvar HWH 32-220 G CE Installation, Commissioning, User & Maintenance Instructions

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EcoCharger Hybrid

Gas Fired Condensing

Water Heater

Installation, Commissioning,

User & Maintenance Instructions

Models:

HWH 32-220 G CE and PG CE

HWH 33-370 G CE and PG CE

HWH 52-370 G CE and PG CE

HWH 63-370 G CE and PG CE

HWH 87-480 G CE and PG CE

HWH 106-480 G CE and PG CE

HWH 129-480 G CE and PG CE

LV 311767 | February 2020

Table of Contents

Summary of Contents for Lochinvar HWH 32-220 G CE

Page 1 Water Heater Installation, Commissioning, User & Maintenance Instructions Models: HWH 32-220 G CE and PG CE HWH 33-370 G CE and PG CE HWH 52-370 G CE and PG CE HWH 63-370 G CE and PG CE HWH 87-480 G CE and PG CE...
Page 2 IMPORTANT INFORMATION These instructions must be read and understood before installing, commissioning, operating or maintaining the equipment.
Page 3: Preface
Nothing from this publication may be copied, reproduced and/or published by means of printing, photocopying or by whatsoever means, without the prior written approval of Lochinvar Ltd.. Lochinvar Ltd. reserves the right to modify specifications in this manual. Trademarks Brand names in this manual are registered trademarks of their respective owners.
Page 4: Compliance
Compliance To safely produce domestic hot water, the design and construction of the HWH water heaters is in accordance with: • the European Regulations 2016/426 on appliances burning gaseous fuels (GAR). • the European Standard for Gas–fired storage water heaters for the production of domestic hot water (EN89).
Page 5: Contact Information
Institute of Gas Engineers and Managers (IGEM) Publications • IGE/UP/1 - Edition 2: Installation pipework on industrial and commercial premises. • IGE/UP/2: Gas installation pipework, boosters and compressors on industrial and commercial premises. • IGE/UP/4 - Edition 3: Commissioning of gas-fired plant on industrial and commercial premises. •...
Page 7: About This Manual
About this manual Scope This manual gives information about safe and correct use of the water heater and how installation, maintenance and service activities have to be done correctly. You must obey the instructions in this manual. Caution Read this manual carefully before you start the water heater. It can cause personal injury and damage to the water heater when you do not read the manual and/or do not obey the instructions.
Page 8: Document Identification
This manual contains the following text styles/symbols for situations that may endanger users/engineers, cause damage to equipment or need special attention: Note A note gives more information on a topic. Caution Obey the caution instructions to prevent damage of the water heater. Warning Obey the warning instructions to prevent danger of personal injury, and serious damage to the water heater.
Page 9: Table Of Contents
Table of Contents Preface..................3 Copyright................3 Trademarks............... 3 Warranty................3 Liability................3 Compliance............... 4 Regulations............... 4 Contact information............5 About this manual............... 7 Scope................7 Target group..............7 Notation conventions............7 Document identification............8 User part..............13 Introduction................15 Safety..................17 Interface................... 19 Operator interface............
Page 10 Use.................... 25 Turn on the water heater........... 25 4.1.1 The appliance's heating cycle..........25 Turn off the water heater...........27 4.2.1 Turn off for a short period..........27 4.2.2 Isolate from the mains............27 4.2.3 Turn off for a long period........... 28 Main menu..............
Page 11 Conditions............... 53 7.2.1 Ambient conditions............53 7.2.2 Maximum floor load............53 7.2.3 Water composition............54 7.2.4 Working clearances............54 7.2.5 Storage tank working clearances........55 Installation diagram............56 Water connections............57 7.4.1 Unvented water connections..........57 7.4.2 Vented water connections..........58 Gas connection..............59 Solar heating system............
Page 12 9.2.4 Display the selected water heater........85 9.2.5 Setting the service interval..........85 9.2.6 Service mode..............85 9.2.7 Setting legionella prevention..........86 9.2.8 Solar heating system configuration........87 9.2.9 Setting the central heating configuration......89 Maintenance................91 10.1 Preparation..............91 10.2 Water-side maintenance............ 92 10.2.1 Descale the tank..............
Page 13: User Part
User part 0311767_HWH_32-129_II_UKUK_V2.4, 2020-01-31...
Page 15: Introduction
Introduction The HWH water heater stores and heats water for sanitary purposes. Cold water enters the bottom of the tank through the water inlet (1). The heated water leaves the tank at the top through the hot water outlet (2). To operate the water heater, the operator interface (3) and control switch (4) are used.
Page 16 User part...
Page 17: Safety
Safety Lochinvar cannot be held responsible for damages or injuries leading back to: • Failure to follow the instructions provided in this manual. • Carelessness during use or maintenance of the water heater. Every user has to study the user part of this manual and has to follow the instructions in this part of the manual strictly.
Page 18 User part...
Page 19: Interface
Interface Operator interface The operator interface is completely menu-driven, and comprises: • a 4-line display with 20 characters per line; • 6 buttons for controlling the water heater (below the display); • 6 graphical symbols (above the display); • a connector for a service PC; •...
Page 20: Control Switch
Name Explanation Flame detection Water heater operational Solar heating system Solar energy is heating the water Control switch The control switch of the controller turns the water heater ON and OFF. Note that in the OFF position the water heater remains electrically live, in order for the continuous pump to stay running.
Page 21: Pc Connection
PC connection The PC connection is exclusively intended to enable technicians from Lochinvar to read the status and history of the water heater. These details can be important for troubleshooting and/or resolving complaints. Status of the water heater During operation, the display shows the status of the water heater.
Page 22: Error Conditions
The figure shows the display with the following information: • line one: the text EXTRA; • line two: the time, the day and T (see section 4.1.1); • line three: the switch-on time and the related water temperature setting; • line four: the text PERIOD ACTIVATED.
Page 23: Service Conditions
Note When the display shows an error code, try to reset the water heater with [RESET]. Contact your service and maintenance engineer or supplier when the water heater does not restart or when the display shows the error code again. 3.6.3 Service conditions The figure shows the message SERVICE REQUIRED.
Page 24 User part...
Page 25: Use
Turn on the water heater Start the water heater as follows: Fill the water heater (see section 7.9.1). Open the manual gas valve. Switch on the power to the water heater using the isolator between the water heater and the power supply. Switch the controller ON by setting the control switch to position I.
Page 26 When the water heater starts, it will run through the following steps: The water temperature drops below the set temperature of (for example) 65°C. The controller detects a heat demand and starts the operating cycle. The icon is activated. The message HEAT DEMAND appears. Once demand is registered, the fan is started to vent any gases that may be present.
Page 27: Turn Off The Water Heater
When the water is up to temperature, the heat demand ceases and the post-purge starts. This takes about 25 seconds. The icons are dimmed. The icon is activated. The message POST PURGE appears. Following the post-purge, the fan stops and the pressure switch opens: The icons are dimmed.
Page 28: Turn Off For A Long Period
Confirm OFF with [ENTER]. Caution Failure to wait until the fan stops can cause damage to the water heater. Wait until the fan has stopped. The icon is then dimmed. Switch the water heater OFF (position 0) using the control switch on the operator interface.
Page 29: Notation Conventions For Menu-Related Instructions
4.3.1 Notation conventions for menu-related instructions The MENU [ ] of the controller is divided into submenus. For example, SETTINGS is one of the functions reached from the main menu. The menu SETTINGS is itself divided into sub-menus. For example, LANGUAGE is a sub-menu of SETTINGS. So, for example, to select menu LANGUAGE, this manual employs the following convention: •...
Page 30: Week Program
4.3.3.2 Setting water temperature during ON mode The water temperature can also be directly adjusted when the water heater is in ON mode. Simply use: • [ ] to increase the value; • [ ] to decrease the value. • Confirm with [ENTER].
Page 31 • on/off setting for a program-controlled pump. Note The switch-off time must always be followed by a switch-off time on the same day of the week. A maximum of three periods may be programmed per day. You can program a maximum of 21 periods.
Page 32 Use [ ] and [ ] to set the hours. In the example, this is 08. Confirm with [ENTER]. The cursor moves to the minute digits, which will blink. Note Because the switch-off time can never be earlier than the switch-on time, the switch-off time setting is automatically adjusted with the switch-on time.
Page 33: Adding Times To A Week Program
Confirm with [ENTER]. The display shown in the figure will appear. If you wish, you can use [ ] to scroll to another day, and change more switch-on (see section 4.3.6.1) and switch-off (see section 4.3.6.2) times. After changing all desired switch-on and switch off times, you can start running the week program: Scroll with [ ] to START OPERATION.
Page 34: Deleting Times From A Week Program
Proceed as follows: Set the switch-on time (see section 4.3.6.1). Set the switch-off time (see section 4.3.6.2). Set the water temperature (see section 4.3.6.3). Set the program-controlled pump (see section 4.3.6.4). To activate the week program with the new period added, scroll down with [ ] to START OPERATION and confirm with [ENTER].
Page 35: Extra Period
Scroll with [ ] to the day to be deleted. For example, SU (Sunday) in the second period. See the figure. Confirm with [ENTER]. The lines showing switch-on/off times are replaced by the text DELETE BLOCK?. See the figure. Confirm with [ENTER]. (or use [RESET] to cancel).
Page 36 4.3.9.1 Programming an extra period Call up the menu for entering an extra period via: ]:: EXTRA PERIOD Confirm with [ENTER]. The display show the settings for the extra period. Setting the switch-on time Use [ ] and [ ] to set the day. In the example this is SU. Confirm with [ENTER].
Page 37: Settings
Setting the water temperature Use [ ] and [ ] to set the water temperature. In the example this is 75°C. Confirm with [ENTER]. The cursor moves to PUMP ON Setting the program-controlled pump If required, a pump can be controlled during the period. Use [ ] and [ ] to set PUMP ON.
Page 38 The cursor is positioned beside LANGUAGE. Confirm with [ENTER]. The display shows the language selection menu. Scroll with [ ] to the desired language. Confirm with [ENTER]. The language is set. 4.3.10.2 Setting day and time To enter the time and day: Call up the menu for entering the day and time as follows: ]: SETTINGS.
Page 39 The cursor moves to the minute digits, which will blink. Scroll with [ ] and [ ] to the next minute, for example 45. Confirm the minute setting with [ENTER]. The time has been set. Note The water heater takes no account of daylight saving. 4.3.10.3 Displaying water heater specifications Note...
Page 40 User part...
Page 41: Installation, Maintenance And Service Part
Installation, Maintenance and Service part 0311767_HWH_32-129_II_UKUK_V2.4, 2020-01-31...
Page 42 User part...
Page 43: Introduction
Introduction About the water heater The HWH water heater is intended for heating water for sanitary purposes. The HWH is a condensing gas–fired storage water heater with a fan in the air intake. The flue gasses transfer their heat to the water through an efficient heat exchanger. The water heater has a concentric venting connector and can function as an open or as a room- sealed water heater.
Page 44 in the process. Because the cooled flue gases flow alongside the cold water lower down in the tank, they start to condense. This condensation causes latent heat energy to be transferred to the cooler water, thereby increasing the performance of the unit. The condensate yielded by this process is discharged via the condens trap (23).
Page 45: Operating Cycle
Operating cycle The water temperature (T ) at the top of the water heater is used to control when the gas burner is started and stopped. The temperature changes in the water heater are used for switching the solar heating system on and off (using T and S ).
Page 46 Note can rise above T . However, this is only possible if T is increased via the solar limit service menu. Installation, Maintenance and Service part...
Page 47: Safety
Safety Safety instructions For safety instructions about the use of the water heater, refer to Safety (see section 2) in the User part of this manual. Warning Installation, maintenance and service must be carried out by a qualified engineer in compliance with the general and local regulations imposed by the gas, water and power supply companies and the fire brigade.
Page 48: Instructions On The Water Heater
Caution The anode protection remains active when the water heater is in OFF mode and the control switch is set to 0. Note Any leakage from the tank and/or connections can cause damage to the immediate environment or floors below the level of the boiler room. Install the water heater above a waste water drain or in a suitable metal leak tray.
Page 49: Safety Devices
Safety devices 6.3.1 Protection for the water heater 6.3.1.1 Water temperature protection Using temperature sensors T (7) and T (13), the controller monitors three temperatures that are important for safety. The table explains the functioning of the temperature sensors. Safety Description Anti-frost The frost protection cuts in.
Page 50: Safety Of The Installation
6.3.2.3 T&P valve A T&P valve is only mandatory in unvented installations. However, Lochinvar also recommends the use of a T&P valve in vented installations. A T&P (Temperature and Pressure Relief) valve monitors the pressure in the tank and the water temperature at the top of the tank.
Page 51: Protection For The Solar Heating System
remains open until the unsafe situation has been rectified. The water heater is fitted standard with a connection for a T&P valve (see section 7.4.1.2). 6.3.3 Protection for the solar heating system 6.3.3.1 Drain-back tank The solar heating system may optionally be equipped with a drain-back tank. The tank fills itself with the heating fluid when there is no heat demand.
Page 52: Environmental Aspects
Environmental aspects 6.4.1 Recycling The packaging material is environmentally friendly, recyclable and relatively easy to discard. 6.4.2 Disposal Old end-of-life appliances contain materials that need to be recycled. When you discard devices at the end of their service life, you must obey local legislation related to waste disposal.
Page 53: Installation
For more safety instructions, refer to Safety instructions (see section 6.1). Packaging Lochinvar recommends to unpack the water heater at or near its intended location. Remove the packaging material carefully to prevent damage to the water heater. Conditions The water heater is suitable for room-sealed and for open combustion: •...
Page 54: Water Composition
Bear in mind that the total weight of the installation always comprises a water heater complete with storage tank (completely filled with water). This maximum floor load may be between 400 and 4500 kg. This depends on the type of storage tank. 7.2.3 Water composition The water must comply with the regulations for drinking water for human consumption.
Page 55: Storage Tank Working Clearances
Note The leak tray must have an appropriate waste water drain and must be at least 5 cm deep with a length and width at least 5 cm greater than the diameter of the water heater. 7.2.5 Storage tank working clearances For access to the storage tank, it is recommended that the following clearances are observed: •...
Page 56: Installation Diagram
Installation diagram Fig. Installation diagram U N V E N T E D V E N T E D IM D -07 88 R 0 Installation, Maintenance and Service part...
Page 57: Water Connections
Pressure reducing valve Manual gas valve Float switch Gas supply (mandatory) (mandatory) Air bleed (mandatory) Overflow pipe Inlet combination Service stop valve Combined Q/T sensor Supply heat exchanger (mandatory) (recommended) (optional) Heat exchanger return T&P valve Temperature gauge Overflow protection Solar heating system (recommended) pump station...
Page 58: Vented Water Connections
7.4.1.2 Hot water side See (B) in the installation diagram. Note Insulating long hot water pipes prevents unnecessary energy loss. Optional: fit a temperature gauge (12) so you can check the temperature of the tap water. Fit the T&P valve (3). Fit a stop valve (11) in the hot water outlet pipe for servicing.
Page 59: Gas Connection
7.4.2.3 Circulation pipe See (C) in the installation diagram. If an immediate flow of hot water is required at draw-off points, a circulation pump can be installed. This improves comfort, and reduces water wastage. Fit a circulation pump (6) of the correct capacity for the length and resistance of the circulation system.
Page 60: Venting System
This manual does not discus installation type B23. When you need a B23 system, contact Lochinvar for more information. Caution Always make sure that the flue gas outlet discharges into an area approved for the correct type of installation.
Page 61 Fig. Venting systems 0311767_HWH_32-129_II_UKUK_V2.4, 2020-01-31...
Page 62: C13/C33 Concentric Systems
Diameter flue gas outlet 100 mm 130 mm Diameter air inlet 150 mm 200 mm Description parts Lochinvar Lochinvar Part number Part number Wall terminal set LV302504 LV311465 A wall terminal (1), a 500 mm concentric pipe and a 90° bend...
Page 63: C13/C33 Parallel Systems
Material flue gas outlet Thick walled aluminum Thick walled aluminum Material air inlet Diameter flue gas outlet +0,6 +0,6 -0,6 -0,6 Diameter air inlet Description parts Lochinvar Lochinvar Part number Part number Wall terminal LV302505 LV302313 Roof terminal LV311463 LV306390...
Page 64 Fig. Example parallel venting system IMD-0794 R0 Refer to the table for the correct pipe dimensions of the C13 or a C33 parallel venting systems. Description Unit HWH 32-480 - HWH 87-480 - 63-370 129-480 Default Diameter flue discharge/ 2x100 2x130 air inlet Maximum length air inlet...
Page 65: C43/C53/C63 Systems
The flue gas terminal must comply to the EN 1856-1 requirements. The maximum allowable recirculation rate is 10% under wind conditions. Contact Lochinvar for more information and/or part numbers of the C43, C53 and C63 venting systems. Concentric systems Refer to the table for the correct pipe dimensions of the C43, C53 and C63 concentric systems.
Page 66: Electrical Connections
-0,6 Diameter air inlet Refer to C13/C33 parallel systems for the Lochinvar part numbers. The same parts can be used for the C43, C53 and C63 parallel systems. Use the "adapter box concentric to parallel - water heater side" (part number LV312209) for C63 parallel systems.
Page 67: Mains Power
7.8.3.1 Isolating transformer For more information about an isolating transformer, or to order an isolating transformer, please contact Lochinvar. An isolating transformer should be used if there is a case of 'floating neutral'. Note The total power consumed by the appliance goes via the isolating transformer.
Page 68: Electrical Connection Of The Solar Heating System
Connect neutral (N), live (L) and earth (A) to terminals 13, 14 and 15 as indicated in the table (see section 7.8.1). Fit the cable in the strain relief. If you have no more connections to make: Fit the cover on the terminal block. Fit the covers onto the water heater.
Page 69 7.8.4.1 Preparation Remove the cover (snap-on type) from the terminal block for the collector. This has the following terminals: 7.8.4.2 Connecting the mains power Note Just as with the water heater controller, the solar heating system controller must have a permanent electrical connection to the mains power supply.
Page 70: Commissioning
Connect the lead for sensor S2 with the blade connectors to the sensor. Connect the other end to terminals 2 and 4 of J14. Fit the cables in the strain relief. Continue (see section 7.8.4.7). 7.8.4.6 Connecting top tank sensor Using the blade connectors, connect the sensor S lead to the sensor.
Page 71 If applicable, open the stop valves (4) of the circulation pipe (C). Make sure that the drain valve (9) is closed. Open the nearest hot water draw-off point (14). Open the stop valve (4) of the cold water supply pipe (A). Cold water flows into the water heater.
Page 72: Procedure For Checking The Supply Pressure
Flushing with water Connect a water supply to the filling point of the pump station. Connect a drain hose to the drain point. Open the taps of both supply and drain point. Open the water supply tap. Allow the system to spool through until no further contamination comes out of the drain hose.
Page 73 IMD-1095a R0 IMD-1096a R0 HWH 87-480 to 129-480 The gas control valve has a test nipple that can be used for measuring the supply pressure. This test nipple has a sealing screw. Loosen the sealing screw by a few turns. Do not completely loosen it as it can be difficult to retighten.
Page 74: Procedure For Checking The Gas Control Valve Pressure
Confirm with [ENTER]. The display shown here will appear The appliance is now in Full load mode and will ignite. You must wait about 1 minute after the display shows the text RUNNING before reading the dynamic pressures (the fan needs this time to get up to full speed, so that you can get a reliable reading).
Page 75: Co 2 Adjustment
Confirm with [ENTER]. The display shown here will appear. The appliance is now in PARTIAL LOAD mode and will ignite. You must wait about 1 minute after the display shows the text RUNNING before reading the dynamic pressures (the fan needs this time to get up to full speed, so that a reliable reading can be obtained).
Page 76 The appliance is now running at FULL LOAD. Read the value from the CO meter and wait until this measured value has remained stable for some time. This may take several minutes. Then compare the measured CO value against the value from the table (see section 12.3).
Page 77 Partial load measurement From the service menu, select: SERVICE OPERATION | PARTIAL LOAD Confirm with [ENTER]. The appliance is now in PARTIAL LOAD mode and will ignite The appliance is now running at PARTIAL LOAD. Read the value from the CO meter and wait until this measured value has remained stable for some time.
Page 78: Switching Pressure Measurement
Note After conversion, you must check that the gas control valve is gastight. Remove the CO measurement probe from the measurement nipple of the flue gas outlet pipe. Put the cap back on the measurement nipple of the flue gas outlet pipe. Shut off the gas supply.
Page 79: Draining
7.10.2 Draining 7.10.2.1 Draining unvented installations Some service activities require the water heater to be drained. The procedure is as follows: Activate the MENU with [ Position the cursor in front of OFF. Confirm OFF with [ENTER]. Wait until the fan has stopped. The icon is then dimmed.
Page 80 Activate the MENU with Position the cursor in front of OFF. Confirm OFF with [ENTER]. Wait until the fan has stopped. The icon is then dimmed. Caution Failure to wait until the fan stops can cause damage to the water heater. Warning The fluid in the pipes and the pipes themselves can be extremely hot! You should therefore wait until the water heater has cooled down sufficiently.
Page 81: Conversion Of Gas Type
Conversion of gas type Caution Conversion of the water heater may only be carried out by a qualified person. Use a special conversion kit to converse the water heater when: • The water heater has to operate on a different family of gases (liquid petroleum gas or natural gas).
Page 82 Installation, Maintenance and Service part...
Page 83: Settings
Settings Operator interface The operator interface is completely menu-driven and enables the user to change settings and to verify the status and history of the water heater. For more information about how to use the operator interface, refer to Operator interface (see section 3).
Page 84: Display The Error History
Call up the menu to set the hysteresis as follows: • ]: HYSTERESIS DOWN Please refer to the table for the regulation interval and settings for each water heater. 9.2.2 Display the error history Display the error history as follows: •...
Page 85: Display The Selected Water Heater
9.2.4 Display the selected water heater Call up the menu for displaying the water heater selection as follows: • ]: SELECT APPLIANCE The water heater number can be found on the rating plate. The water heater selection has been correctly preset in the factory. 9.2.5 Setting the service interval The service interval is a feature of the controller to help the service and maintenance...
Page 86: Setting Legionella Prevention
Select FULL LOAD or PARTIAL LOAD. The example below describes the situation for FULL LOAD, which is identical to that for PARTIAL LOAD. Confirm with [ENTER]. To create a heat demand, you can temporarily raise the set point using [ ] to e.g. 70ºC.
Page 87: Solar Heating System Configuration
9.2.7.2 Changing legionella prevention start time If you wish to change the start time, select: • ]: ANTI LEGIONELLA | YES | Change The following display appears. • Now set the day and time the same way as described for setting an extra period in the week menu (see section 4.3.9).
Page 88 This value can be set between 65 and 80 °C. The default value is 65 °C. If you set the solar limit higher than the set point (see section 4.3.3), then the solar pump will be started in order to heat the water further once the set point has been reached. However, this only makes sense if the solar heating system is actually generating heat.
Page 89: Setting The Central Heating Configuration
9.2.8.7 Displaying temperatures This option lets you read what the solar heating system's sensors are recording. Two values are reported on the display: • S1, temperature in the collector. • S2, temperature between the inlet and outlet of the heat exchanger in the tank. •...
Page 90 Installation, Maintenance and Service part...
Page 91: Maintenance
On the operator interface, the maintenance interval can be set as a reminder. The display shows SERVICE REQUIRED when the pre-set interval has elapsed. To determine the correct interval, Lochinvar recommends to do a system check on both the water and the gas side, three months after installation.
Page 92: Water-Side Maintenance
The display will now show INTERNAL CHECK for about 10 seconds, and will then go to the main menu. Activate ON mode by going through the following steps: Press once on the blue arrow [ ] to position the cursor beside ON, then press [ENTER].
Page 93: Clean The Condensate Drain
Fig. Cleaning opening IMD-0080 R1 Remove the cover plate (1) on the outer jacket (see the figure). Undo the bolts. Remove the cover and the gasket. Inspect the tank and remove the loose scale deposits and contamination. If the scale cannot be removed by hand, descale the water heater with a descaling agent.
Page 94: Solar Collector Maintenance
10.4 Solar collector maintenance See installation or users' manual for the solar collector. If this topic is not covered in the manual, then contact the supplier of the collectors. 10.5 Finalization To finalize the maintenance, carry out the following steps: Fill the water heater (see section 7.9.1).
Page 95: Troubleshooting
Troubleshooting 11.1 Errors and warnings The water heater can have three different kinds of errors and warnings: • General errors, which are not displayed • Displayed errors, which are divided in two different groups: Lock out errors: when the cause is removed, you can reset the error to resume operation.
Page 96: General Errors
11.1.1 General errors Note For the coding of the connections, refer to the Electrical wiring diagram. Indication Cause Measure Gas smell There is a gas leak • Close the mains gas valve at once. • Do not operate any switches. •...
Page 97: Displayed Errors
Indication Cause Measure Insufficient or no hot The water heater is off. Turn on the water heater (see section 4.1). water There is no supply voltage. Make sure that: • the control switch is set to I. • the isolator is in ON position. •...
Page 98 Code and description Cause Measure S06 (blocking error) Sensor is not (correctly) connected Connect the sensor lead to J14 (ports 1 and 3) of the solar controller Open circuit from temperature sensor S Damaged cable and/or defective sensor Replace the cable and/or sensor the top of the storage tank.
Page 99 Code and description Cause Measure F02 (lock out error) Defective motor and/or rotor. • Check the motor and rotor • Replace the fan if the motor or rotor is Fan fails to run at correct defective. speed. • Reset controller Damaged wiring •...
Page 100 Code and description Cause Measure F04 (lock out error) No gas • Open the main gas supply valve and/or the manual gas supply valve before the Three unsuccessful gas control valve ignition attempts. • Check supply pressure to the gas control valve •...
Page 101 Code and description Cause Measure F11 (blocking error) Defective gas control valves See F07. Flame detection with closed gas control valve. F18 (blocking error) No power supply at solar controller • Check that there is power to the solar heating system controller Communication error •...
Page 102: Warnings
Code and description Cause Measure E03 (lock-out error) The two temperature sensors in the tank Check sensor position and wiring. detect a difference of > 10°C over a Reset the controller if necessary. Replace Error in temperature period of at least 60 seconds. the sensor if the error persists.
Page 103 Indication Cause Remark Collector temperature too Temperature S is greater than You can let the message disappear high automatically by allowing the heating collector max fluid to cool down. You can also manually eliminate the message by pressing the RESET and ENTER buttons simultaneously.
Page 104 Installation, Maintenance and Service part...
Page 105: Appendices
Appendices 12.1 Technical details Description Unit HWH 32-220 HWH 33-370 HWH 52-370 HWH 63-370 General Contents litres Empty Weight Maximum floor load Maximum operating pressure kPa (bar) 800 (8) 800 (8) 800 (8) 800 (8) (vented) Maximum operating pressure kPa (bar) 550 (5.5) 550 (5.5) 550 (5.5)
Page 106 Description Unit HWH 32-220 HWH 33-370 HWH 52-370 HWH 63-370 Electrical power consumption max. 700 max. 700 max. 700 max. 700 of the solar controller Supply voltage volts (-15%, +10% VAC) Mains frequency (± 1Hz) IP class IP 20 IP 20 IP 20 IP 20 Description...
Page 107 Description Unit HWH 87-480 HWH 106-480 HWH 129-480 General Contents litres Empty Weight Maximum floor load Maximum operating pressure kPa (bar) 800 (8) 800 (8) 800 (8) (vented) Maximum operating pressure kPa (bar) 550 (5.5) 550 (5.5) 550 (5.5) (unvented) Control thermostat - °C 40...80...
Page 108 Description Unit Value Maximum mains pressure of kPa (bar) 500 (5) the protected cold supply setup T&P overflow pressure kPa (bar) 700 (7) T&P overflow temperature °C Description Unit HWH 87-480 HWH 106-480 HWH 129-480 Load profile Energy Efficiency Class (Energy Label) Energy Efficiency Daily Electricity Consumption...
Page 109: Dimensions
12.2 Dimensions Size Description Unit HWH 32-220 HWH 33-370 HWH 52-370 HWH 63-370 Overall height 1485 2015 2015 2015 Position on pallet Appliance diameter Depth Width Diameter of flue gas 100/150 100/150 100/150 100/150 discharge Height of flue gas 1380 1980 1980 1980...
Page 110 Fig. Dimensions HWH 32-220, 33-370, 52-370, 63-370 4 4 º 4 5 º 1 8 º 4 5 º IM D -0 7 7 5 R 0 Installation, Maintenance and Service part...
Page 111 Size Description Unit HWH 87-480 HWH 106-480 HWH 129-480 Overall height 2060 2060 2060 Position on pallet Appliance diameter Depth 1000 1000 1000 Width Diameter of flue gas 130/200 130/200 130/200 discharge Height of flue gas 1995 1995 1995 outlet/air supply x position flue gas outlet y position flue gas...
Page 112 Fig. Dimensions HWH 87-480, 106-480, 129-480 6 .5º 4 5 º 1 8 º 4 5 º IM D -0 77 1 R 0 Installation, Maintenance and Service part...
Page 113: Gas Details
12.3 Gas details Description Unit HWH 32-220 HWH 33-370 HWH 52-370 HWH 63-370 Gas category 2H: G20 Diameter of the venturi restrictor Nominal Load (gross) 32.7 33.9 53.1 64.4 Nominal output 31.5 33.3 51.2 61.5 Supply pressure mbar (full load) vol% 9.0 ±...
Page 114 Description Unit HWH 87-480 HWH 106-480 HWH 129-480 Gas category 2H: G20 Diameter of the venturi 8.60 8.60 8.60 restrictor Nominal Load (gross) 88.1 107.3 131.0 Nominal output 85.7 102.4 123.9 Supply pressure mbar (full load) vol% 8.9 ± 1.0 8.9 ±...
Page 115: Week Program Card
12.4 Week program card You can cut the week program card out and keep it near the water heater. Period Time Pump ... ºC ON / OFF ... ºC ON / OFF ... ºC ON / OFF ... ºC ON / OFF ...
Page 116 ... ºC ON / OFF ... ºC ON / OFF ... ºC ON / OFF ... ºC ON / OFF Example Period Time Pump 14:30 70 ºC ON / OFF 16:15 Installation, Maintenance and Service part...
Page 117: Electrical Wiring Diagram
12.5 Electrical wiring diagram X J2 JP11 JP12 21 22 23 Secundair Primair 230VAC 50Hz 0309 687a R0 230VAC 50Hz 0311767_HWH_32-129_II_UKUK_V2.4, 2020-01-31...
Page 118 Cable colors: Components: Controller connections: Brown Power connection for controller Control Blue Extra error signal connection Flame probe Green Gas control valve connection Black Program-controlled pump Hot surface igniter connection White Gas control valve Power connection for the fan Grey/Beige Burner earth connection Controller display connection Green...
Page 119: Electrical Wiring Diagram Solar Heating System
12.6 Electrical wiring diagram solar heating system Cable colors: Components: Controller connections: Brown Control Connection of combined Q/ T sensor (1-2-3-4) Blue Solar heating system pump [VAC] (modulating) (230 VAC) Connection of temperature sensor Green (2-4) Solar heating system pump [PWM] Black (modulating) (PWM-signal)
Page 120: Menu Structure
12.7 Menu structure CONTROL SERVICE MAIN MENU PROGRAM HYSTERESE HYSTERESE DOWN HISTORY START OPERATION OF ERRORS CHANGE SETPOINT APPLIANCE HISTORY WEEK- PROGRAM SELECT APPLIANCE START OPERATION SERVICE INTERVAL PROGRAM OVERVIEW SERVICE OPERATION EXTRA PERIOD FULL LOAD SETTINGS PARTIAL LOAD LANGUAGE ANTI LEGIONELLA DAY/TIME SOLAR...
Page 121: Declaration Of Conformity
12.8 Declaration of conformity 0311767_HWH_32-129_II_UKUK_V2.4, 2020-01-31...
Page 122: Warranty
Ltd., the enamel-lined steel tank proves to be leaking due to rust or corrosion occurring on the water side, then Lochinvar Ltd. shall offer to replace the defective water heater with an entirely new water heater of equivalent size and quality The warranty period given on the replacement water heater shall be equal to the remaining warranty period of the original water heater that was supplied.
Page 123 Article 5: Scope of the warranty The obligations of Lochinvar Ltd. pursuant to the specified warranty are limited to free delivery from the warehouse of the replacement assemblies, parts or water heater, respectively.
Page 124: Detailed Installation Diagram
12.10 Detailed installation diagram Installation, Maintenance and Service part...
Page 125 Legend: EcoCharger Hybrid HWH Water Heater Solar Control Flat Plate Solar Thermal Collector Solar Pump Station Class Two RHI Complaint Heat Meter QT Flow Sensor Pre-Heat Vessel Solar "Priority" Pump Temperature Sensor - Flat Plate Solar Thermal Collector Temperature Sensor - Bottom EcoCharger Hybrid HWHC Temperature Sensor - Top Pre-Heat Vessel Air Aeration Valve...
Page 126 Installation, Maintenance and Service part...
Page 127: Index
Index Connecting solar collector....69 Connecting tank sensor...... 69 Connecting the mains power....69 Connecting top tank sensor....70 Contact information......5 Control switch........20 Conversion of gas type.......81 Copyright........... 3 Copyright........... 3 Declaration of conformity....121 Decommisioning........78 About the water heater...... 43 Deleting times from a week program..34 About this manual.......
Page 128 Mains power........67 Maintenance........91 Maximum floor load......53 Menu structure........ 120 Fan..........49 Filling..........70 Filling the solar heating system... 71 Filling unvented installations....70 Filling vented installations....71 Notation conventions......7 Filling with glycol.......72 Notation conventions for menu-related Finalization........94 instructions........
Page 129 Turn on the water heater...... 78 Turn on the water heater...... 25 Safety.......... 17, 47 Safety devices........49 Safety instructions....... 47 Unvented installation......50 Safety of the installation.......50 Unvented water connections....57 Safety of the solar heating system..51 Use............25 Scope..........7 User part..........
Page 130 Installation, Maintenance and Service part...
Page 132 Lochinvar Ltd reserves the right to change 7 Lombard Way, The MXL Centre, Banbury, Oxon, OX16 4TJ specifications without prior notice Tel: +44(0) 1295 269 981, Fax:+44(0) 1295 271 640, Email: info@lochinvar.ltd.uk www.lochinvar.ltd.uk...

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Lochinvar HWH 32-220 G CE Installation, Commissioning, User & Maintenance Instructions

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