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  4. CHA 100 G CE
  5. Installation, commissioning, user & maintenance instructions

Lochinvar CHA 100 G CE Installation, commissioning, user & maintenance instructions

Manual is about: Direct Gas Fired Floor Standing Water Heater with Automatic Pilot Ignition

Summary of CHA 100 G CE

  • Page 1

    These instructions must be read and understood before installing, commissioning, operating or maintaining the equipment. Important information 0310569 march 2012 installation, commissioning, user & maintenance instructions high efficiency water heaters and boilers charger direct gas fired floor stan...

  • Page 2

    Lochinvar ltd 7 lombard way the mxl centre banbury oxon ox16 4tj www.Lochinvar.Ltd.Uk high efficiency water heaters and boilers tel: +44 (0) 1295 269 981 fax: +44 (0) 1295 271 640 email: info@lochinvar.Ltd.Uk.

  • Page 3

    Instruction manual cha 3 gis read this manual carefully warning read this manual carefully before starting the water heater. Failure to read the manual and to follow the printed instructions may lead to personal injury and damage to the water heater. All rights reserved. Nothing from this publicatio...

  • Page 4

    4 instruction manual cha gis.

  • Page 5: Table of Contents

    Instruction manual cha 5 table of contents 1 introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.1 about the appliance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 1.2 what to do if you smell gas- - - - - - - - - - - - - - - - - - - - - - - - - 7 1.3 regulations - - -...

  • Page 6

    Table of contents 6 instruction manual cha 8 status of the water heater - - - - - - - - - - - - - - - - - - - 47 8.1 introduction - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 47 8.2 operating modes - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 47 8.3 power anode status...

  • Page 7: Introduction

    Instruction manual cha 7 gis 1 introduction 1.1 about the appliance this manual describes how to install, service and use the cha appliance. The cha appliance is a gas-fired open boiler without fan. These charger devices have a pilot flame ignition feature and flue gas discharge safety device the ch...

  • Page 8

    Introduction 8 instruction manual cha 1 gis furthermore, the installation must comply with the manufacturer's instructions. Comment the installation is also subject to any later amendments and/or additions to all regulations, requirements and guidelines published on or prior to the moment of install...

  • Page 9

    Instruction manual cha 9 gis 1.6 notation conventions the following notation is used in this manual: comment important information. Note ignoring this information can lead to the water heater being damaged. Warning failure to carefully read this information may lead to danger of personal injury, and...

  • Page 10

    Introduction 10 instruction manual cha 1 gis.

  • Page 11: Working Principle of

    Instruction manual cha 11 gis 2 working principle of the water heater 2.1 introduction this chapter covers the following topics: • general working principle of the water heater ; • water heater operating cycle ; • protection for the water heater ; • safety of the installation . 2.2 general working p...

  • Page 12

    Working principle of the water heater 12 instruction manual cha 2 gis in this appliance, the cold water enters the bottom of the tank through the cold water inlet (14). The heat of combustion is conducted to the water by the combustion chamber (8) and flue tubes. The heated tap water leaves the tank...

  • Page 13

    Instruction manual cha 13 gis 2.3 water heater operating cycle the entire appliance is controlled by the burner control (40) and the control thermostat (41) or frost thermostat (44). The control thermostat and frost thermostat both independently measure the water temperature (t water ). The applianc...

  • Page 14

    Working principle of the water heater 14 instruction manual cha 2 gis however, if the chimney is not drawing sufficiently (for example, due to a blockage in the chimney), the flue gases will 'reflux' and flow back past the flue gas thermostat sensor. The sensor will then detect an excessive temperat...

  • Page 15: Installation

    Instruction manual cha 15 is 3 installation warning the installation must 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 brigade. The appliance may only be installed in a room ...

  • Page 16

    Installation 16 instruction manual cha 3 is 3.3 ambient conditions note the water heater may not be used in rooms where chemical substances are stored or used due to the risk of explosion, and corrosion of the water heater. Some propellants, bleaching agents and degreasing agents etc. Disperse vapou...

  • Page 17

    Instruction manual cha 17 is 3.3.3 working clearances for access to the appliance, it is recommended that the following clearances are observed (see figure): • aa: around the appliance's control column and cleaning openings: 100 cm. • bb: all sides of the appliance: 50 cm. • above the appliance (roo...

  • Page 18

    Installation 18 instruction manual cha 3 is 3.4 technical specifications the water heater is supplied without accessories. Check the dimensions (3.4 "technical specifications") , gas data (3.4.3 "gas data") and other specifications (3.4.2 "general and electrical specifications") of any accessories y...

  • Page 19

    Instruction manual cha 19 is dimensions (all measurements in mm unless otherwise indicated) 3.4.2 general and electrical specifications general and electrical specifications cha 100 cha 155 cha 200 cha 300 cha 400 cha 500 cha 600 cha 700 a) overall height 1910 1910 1890 2155 2155 1950 2145 2145 b) h...

  • Page 20

    Installation 20 instruction manual cha 3 is 3.4.3 gas data gas data description ii 2h3+ unit cha 100 cha 155 cha 200 cha 300 cha 400 cha 500 cha 600 cha 700 2h: g20 - 20 mbar orifice diameter mm 2.90 3.20 3.20 3.30 2.95 3.20 3.30 3.90 (1) = blank plate (2) = burner pressure regulator (3) = high/low ...

  • Page 21

    Instruction manual cha 21 is 3.5 installation diagram the figure shows the installation diagram. This diagram is referred to in the sections describing the actual connection procedure. Installation diagram legend unused numbers are not applicable 1. Pressure reducing valve (mandatory) 3. T&p valve (...

  • Page 22

    Installation 22 instruction manual cha 3 is 3.6 vented water connections warning the installation should be carried out by a competent person, in compliance with general and locally applicable regulations (1.3 "regulations") . 3.6.1 cold water side see (a) in the installation diagram (3.5 "installat...

  • Page 23

    Instruction manual cha 23 is 3.6.5 circulation pipe see (c) in the installation diagram (3.5 "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. 1. Fit a circulation pump (6...

  • Page 24

    Installation 24 instruction manual cha 3 is 3.7.4 drain valve 1. Fit the standard drain valve supplied (9). 2. If desired, fit a circulation pipe (3.6.5 "circulation pipe") . Otherwise, fit the sealing nut and gasket (c) supplied with the drain valve, as per the diagram. 3.7.5 circulation pipe see (...

  • Page 25

    Instruction manual cha 25 is 3.9 flue gas discharge warning the installation should be carried out by a competent person, in compliance with general and locally applicable regulations (1.3 "regulations") . Fit a vertical chimney pipe (2) of at least 0.5 metres length to the opening of the draft dive...

  • Page 26

    Installation 26 instruction manual cha 3 is 3.10 electrical connection warning the installation should be carried out by a competent person, in compliance with general and locally applicable regulations (1.3 "regulations") . 3.10.1 preparations note the appliance is phase-sensitive. It is absolutely...

  • Page 27

    Instruction manual cha 27 is the connector block (c) is now visible. Comment please consult (14 "electrical diagram") the appropriate electrical diagram for details of the connections of the electrical components. Terminal block 3.10.2 introduction topics covered in this paragraph, in sequence: • pr...

  • Page 28

    Installation 28 instruction manual cha 3 is 3.10.5 weekly timer circuit 1. Cut the image of the weekly timer from the operating panel. 2. Place the weekly timer in the opening thus created. 3. Connect the cables to points 7 (n), 8 (l) and 11 (l) using wire end sheaths. 4. Connect the cable with the ...

  • Page 29

    Instruction manual cha 29 is 3.11 checking the supply pressure and burner pressure comment before starting the appliance and/or checking the supply pressure and burner pressure, you must fill (5 "filling") the appliance. Note before starting up for the first time or after conversion, you must always...

  • Page 30

    Installation 30 instruction manual cha 3 is gas control for cha 700 3.11.1 preparations 1. Isolate the appliance from the power supply (10.3 "isolating the appliance from the mains") . 2. There are two test nipples on the gas control. Test nipple (6) is used to check the supply pressure. The other t...

  • Page 31

    Instruction manual cha 31 is 10. Use the pressure gauge to read the supply pressure at test nipple (6). Refer to the gas data table (3.4.3 "gas data") . Comment consult the mains gas supply company if the supply pressure is not correct. 11. Use the pressure gauge to read the burner pressure at nippl...

  • Page 32

    Installation 32 instruction manual cha 3 is.

  • Page 33: Conversion to A

    Instruction manual cha 33 is 4 conversion to a different gas category note the conversion may only by carried out by a competent person. If the appliance has to operate on a different family of gases (liquid petroleum gas or natural gas) or other gas category, other than that for which the appliance...

  • Page 34

    Conversion to a different gas category 34 instruction manual cha 4 is exchanging orifices 4.1 conversion of cha 100 to 600 to another gas category 1. Isolate the appliance from the power supply (10.3 "isolating the appliance from the mains") . 2. Shut off the gas supply. Note the burner may be hot. ...

  • Page 35

    Instruction manual cha 35 is 7. Select and fit the correct orifices from the conversion kit, based on the gas data table (3.4.3 "gas data") . The orifice diameter is stamped on the orifice itself, see (3). 8. Re-fit the burners back in their original position. 9. Re-fit the retaining strips. 10. If ...

  • Page 36

    Conversion to a different gas category 36 instruction manual cha 4 is 13. Check the supply pressure and burner pressure (3.11 "checking the supply pressure and burner pressure") . 14. Remove the sticker showing the new gas category from the conversion kit, and attach it below the appliance's rating ...

  • Page 37

    Instruction manual cha 37 is 4.3 conversion from lp gas to natural gas installing and removing add-on components 1. Carry out steps 1 through 9 (4.1 "conversion of cha 100 to 600 to another gas category") . 2. Detach the high-low control (9) legend unused numbers are not applicable 4. Timers 5. Brac...

  • Page 38

    Conversion to a different gas category 38 instruction manual cha 4 is 3. Fit the burner pressure regulator (1) including the sealing gasket from the conversion set. Attach the burner pressure regulator to the gas control using the two small screws supplied. (7). Installing and removing add-on compon...

  • Page 39

    Instruction manual cha 39 is 4. Detach the leads between the 6contact terminal strip(6) and the 9contact terminal strip (8). These are the leads for the timers, high-low control, gas control, hot surface igniter and flame probe. 5. Remove the timers (4), bracket (5), wiring harness (not shown) and 9...

  • Page 40

    Conversion to a different gas category 40 instruction manual cha 4 is.

  • Page 41: Filling

    Instruction manual cha 41 gis 5 filling installation diagram legend unused numbers are not applicable 1. Pressure reducing valve (mandatory) 3. T&p valve (mandatory) 4. Stop valve (recommended) 5. Non-return valve (mandatory) 6. Circulation pump (optional) 7. Top to bottom circulation pump (optional...

  • Page 42

    Filling 42 instruction manual cha 5 gis 5.1 filling unvented installations to fill the water heater, proceed as follows: 1. Open the stop valve (11) in the hot water pipe and, if present, the stop valves (4) for the circulation pump (6). 2. Close the drain valve (9). 3. Open the nearest hot water dr...

  • Page 43: Draining

    Instruction manual cha 43 gis 6 draining installation diagram legend unused numbers are not applicable 1. Pressure reducing valve (mandatory) 3. T&p valve (mandatory) 4. Stop valve (recommended) 5. Non-return valve (mandatory) 6. Circulation pump (optional) 7. Top to bottom circulation pump (optiona...

  • Page 44

    Draining 44 instruction manual cha 6 gis 6.1 draining unvented installations some service activities require the water heater to be drained. The procedure is as follows: 1. Shut down the appliance by setting the on/off switch on the control panel to position 0. 2. Isolate the water heater from the p...

  • Page 45: The Control Panel

    Instruction manual cha 45 gis 7 the control panel 7.1 introduction topics covered in this chapter, in sequence: • control panel • explanation of icons • on/off switch ; • control thermostat • burner control reset button • flue gas thermostat reset button ; • weekly timer circuit . 7.2 control panel ...

  • Page 46

    The control panel 46 instruction manual cha 7 gis 7.6 burner control reset button an error can cause the burner control to lock out. When this happens, the red led on the control panel will illuminate. After eliminating the cause of the error, you can reset the appliance using the reset button. Comm...

  • Page 47: Status of The Water

    Instruction manual cha 47 gis 8 status of the water heater 8.1 introduction topics covered in this chapter, in sequence: • operating modes ; • power anode status ; • error conditions 8.2 operating modes when running, the appliance has three basic operating modes, namely: • isolated in this mode the ...

  • Page 48

    Status of the water heater 48 instruction manual cha 8 gis 8.4 error conditions if the water heater goes into an "error" condition, you will be unable to draw hot water. The frost protection will also be out of operation. These error conditions are divided into three groups: • lockout error from the...

  • Page 49: Starting The Water

    Instruction manual cha 49 gis 9 starting the water heater 9.1 introduction topics covered in this chapter, in sequence: • starting the appliance . • the appliance's heating cycle . 9.2 starting the appliance start the water heater as follows: 1. Fill the water heater (5 "filling") . 2. Open (3.5 "in...

  • Page 50

    Starting the water heater 50 instruction manual cha 9 gis.

  • Page 51: Shutting Down

    Instruction manual cha 51 gis 10 shutting down 10.1 introduction topics covered in this chapter: • shut the appliance down for a brief period ('off' mode) ; • isolating the appliance from the mains ; • shutting the appliance down for a long period . 10.2 shut the appliance down for a brief period ('...

  • Page 52

    Shutting down 52 instruction manual cha 10 gis.

  • Page 53: Errors

    Instruction manual cha 53 gis 11 errors 11.1 introduction this chapter covers the following errors: • gas smell • water leakage • explosive ignition. • poor flame profile. • power anode. • no hot water • insufficient hot water 11.2 error conditions if the water heater goes into an "error" condition,...

  • Page 54

    54 ins truction manual cha 11.3 cha troubleshooting table for general errors warning maintenance may only be performed by a qualified service and maintenance engineer. General faults and failures feature cause measure comment gas smell gas leak warning close the main gas valve at once. Warning do no...

  • Page 55

    Inst ruction manual c h a 55 11.4 cha troubleshooting table - no hot water warning maintenance may only be performed by a qualified service and maintenance engineer. Power anode if the error cannot be rectified, contact your installation engineer • indicator lamp is red • anodes not making contact w...

  • Page 56

    56 ins truction manual cha no hot water feature cause measure comment green led off and red led off no supply voltage present 1. Check whether the isolator is on. 2. Check whether there is power to the isolator 3. Check whether there is power to the electrical connector block 4. Check whether there ...

  • Page 57

    Inst ruction manual c h a 57 green led on and red led on there are three possible causes for this error. In order to determine the cause, you must cause the error to appear again: 1. Reset the appliance by pressing the reset button 1x 2. If nothing happens, then the reset button has been pressed too...

  • Page 58

    58 ins truction manual cha 11.5 cha troubleshooting table - insufficient hot water warning maintenance may only be performed by a qualified service and maintenance engineer. Insufficient hot water feature cause measure comment insufficient hot water water temperature setting (t set ) is too low set ...

  • Page 59: Performing

    Instruction manual cha 59 s 12 performing maintenance 12.1 introduction note 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 fol...

  • Page 60

    Performing maintenance 60 instruction manual cha 12 s 12.3.2 checking the anodes timely replacement of the anodes extends the service life of the appliance. The appliance's anodes must be replaced as soon as they are 60% or more used up (take this into consideration when determining the maintenance ...

  • Page 61

    Instruction manual cha 61 s 3. Undo the bolts. 4. Remove the lid, the gasket and the o-ring. 5. Inspect the tank and remove the loose scale deposits and contamination. 6. If the scale cannot be removed by hand, descale the appliance with a descaling agent. Contact the supplier/manufacturer for advic...

  • Page 62

    Performing maintenance 62 instruction manual cha 12 s 12.4.4 checking the flue baffles warning the flue baffles may be hot. 1. Carry out steps 1 through 7 of the anode (1 "disconnect the plug of the flue gas thermostat from the connector on the appliance.") check. 1. Remove the flue baffles from the...

  • Page 63: Warranty (Certificate)

    Instruction manual cha 63 gis 13 warranty (certificate) if within 1 (one) year of the invoice date or commissioning date of a water heater supplied by lochinvar ltd, following verification, and at the sole discretion of lochinvar ltd, an assembly or part (with exclusion of the tank) proves to be def...

  • Page 64

    Warranty (certificate) 64 instruction manual cha 13 gis occurred. Where anodes are covered with particles they should be cleaned; for reference, when new, the anode has a diameter of 21 mm. When power anodes are used, it is important to ensure that they continue to work properly. 13.3 exclusions the...

  • Page 65: Electrical Diagram

    Instruction manual cha 65 is 14 electrical diagram 14.1 introduction this section gives the electrical diagrams for: • electrical diagram for cha 100 to 700 natural gas, cha 100 to 600 lpg • electrical diagram for cha 700 lpg.

  • Page 66

    Electrical diagram 66 instruction manual cha 14 is 14.1.1 electrical diagram for cha 100 to 700 natural gas, cha 100 to 600 lpg 1 = brown, 2 = blue, 3 = yellow/green, 4 = black, 5 = white 2 1 l 1 3 4 n 230v ac l 50hz n n n o c p a h g j p o 2 n n l l i n n q i 0 ii 4 k l m l l l l 1 2 3 4 m r1 12 1 ...

  • Page 67

    Instruction manual cha 67 is terminal strip connections: earth n neutral l live l 1 phase input of controller l 2 phase input of thermal reflux safeguard l 3 phase input of safety circuit for releasing temperature regulation no normal open p pvc supply nc normal closed components: a burner control n...

  • Page 68

    Electrical diagram 68 instruction manual cha 14 is 14.1.2 electrical diagram for cha 700 lpg 1 = brown, 2 = blue, 3 = yellow/green, 4 = black 4 11 f e 4 11 1 d 3 3 4 12 12 1 4 1 1 4 2 1 2 1 4 4 4 3 3 3 4 3 11 b 1 c 4 3 12 4 3 11 12 4 n t v l l" n h n 1 g hot l a g n x face sur- m i fuse f1 p 2 1 l 1...

  • Page 69

    Instruction manual cha 69 is terminal strip connections: earth n neutral l live l 1 phase input of controller l 2 phase input of thermal reflux safeguard l 3 phase input of safety circuit for releasing temperature regulation no normal open p pvc supply nc normal closed components: a burner control n...

  • Page 70

    Electrical diagram 70 instruction manual cha 14 is.

  • Page 71: Declaration of

    Instruction manual cha 71 is 15 declaration of conformity commercial gas fired storage water heater cha 100, ch a 155, cha 20 0, ch a 300, cha 400, ch a 500, cha 600, ch a 700 ga s applianc e directiv e - 90 /396 /ec low voltage directive - 2006 /95 /ec emc directive - 200 4/10 8/ec standards used: ...

  • Page 72

    Declaration of conformity 72 instruction manual cha 15 is.

  • Page 73: Index

    Instruction manual cha 73 index a ambient conditions 16 ambient temperature 16 b burner pressure 29 c connecting the circulation pipe 23, 24 connecting the cold water side 22, 23 connecting the hot water side 23 control thermostat 45 conversion to a different gas category 33 d document contents 9 dr...

  • Page 74

    0310 569 1.0 uk index instruction manual cha.