Laars IGI-180C - Installation Manual User Manual

 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance  WHAT TO DO IF YOU SME

10SECTION IV: INSTALLATION INSTRUCTIONS CAUTION If building cold water supply has a back-flow preventer, check valve or wat

11 WARNING UNPACKING INSPECT SHIPMENT carefully for any signs of damage. 1. All equipment is carefully manufactured, inspected and pa

12SECTION V: WATER CONNECTIONS WARNING Failure to install and maintain a new, listed pressure relief valve will release the manufacturer from any

132. In order to service the water heater in the event the heat exchanger needs to be flushed of lime deposits, tee fittings with shut off valves an

14Recommended Piping for a Basic Installation Figure 2

15Recommended Piping for a Circulation System Figure 3

16Recommended Piping for Power Failure Freeze Protection As long as electrical power and gas are supplied to the EVERHOT® water heater, freeze prot

17Recommended Piping for Back-up Storage System For hotels, motels, and other high flow applications Figure 5 Note: The Primary Circulator for th

18PRESSURE RELIEF VALVE – Keep clear of the pressure relief valve discharge line outlet. The discharge ma

19COMBINATION WATER HEATING AND SPACE HEATING APPLICATIONS – COMMERCIAL MODELS ONLY Commercial models may be used for space heating or combination

2 This water heater has a limited warranty. The warranty for this water heater is valid only if thewater heater has been installed, maintained an

20SECTION VI: VENTING WARNING The venting system must be properly installed. Failure to properly install the vent system could result in propert

21VENT/AIR INTAKE TERMINAL LOCATIONS Direct Vent Terminal Location Plan the vent system layout so that proper clearances are maintained from plumbin

22Vent pipes serving power vented appliances are classified by building codes as “vent connectors”. Required clearances from combustible materials m

23If the vent termination height above the water heater exceeds 5 feet (1.5 m), then a condensate collector (available from your Laars supplier) will

24Horizontal Direct Vent using standard vent kit components: Figure 8 For installations on interior walls, venting components may be purchased fr

25Vertical Direct Vent Installations The EVERHOT® IGI series water heater can also be installed to vent vertically through the roof using a vertical

26Combustion Blower Dip Switch Settings for Vent Length Compensation Under 22 Feet (6.7 m): To assure optimum efficiency and reduced noise levels, t

27INSTALLATION OF VENTING SYSTEM COMPONENTS WARNING Refer to the Laars EVERHOT® IGI series Water Heater Installation and Operating

28 Condensate When the total vent system length is greater than 5 ft. (1,52 m), condensate will form which could damage the water heater. For vent l

29 General Installation Instructions Joint connection Figure 13 Vent connections others must be firmly pressed together so that the gaskets form

3 DO NOT store or use gasoline or other flammable, combustible, or corrosive vapors and/or liquids inthe vicinity of this o

30Condensate drain Every vent system should have a condensate collector unless installed with a total vent length of less than 5 ft. (1,52 m).

31 Parts & Dimensions Components needed for direct vent applications: Figure 19 Figure 20 1) horizontal discharge adapter 2) vertical d

32 Figure 26 Figure 27 8) condensate collector 9) vent pipe clamp BWC p/n 239-44501-00 BWC p/n 239-44493-00 Figure 28 Figure

33Installation Instructions Everhot Horizontal Discharge Vent System Identify the vent location Figure 32 Steps: - Place horizontal discharge ad

34Final installation of the vent system Figure 35 From the outside of the building, slide the wall discharge terminal through the vent wall passag

35Horizontal Vent System Installation examples Figure 36

36Installation Instructions Everhot Vertical Discharge Vent System Figure 37 Identify the vent location Determine the location where the roof dis

37Mounting the vent system Figure 39 Vent connections must be firmly pressed together so that the gaskets form an airtightseal. Secure the system

38Vertical Vent System Installation examples Figure 40

39Cut Line Template Figure 41

4 DO NOT tamper with or alter the water heater and/or controls. DO NOT operate water heater with jumpered or absent controls or safety devices.

40SECTION VII: GAS CONNECTIONS WARNING Connect this water heater only to the type of gas as shown on the rating plate. Use clean black iron pipe

41GAS METER SIZE – NATURAL GAS ONLY Be sure that the gas meter has sufficient capacity to supply the full rated gas input of the water heater as well

424. Turn power on (after completing electrical connections – refer to Section VIII, “Electrical Connections”) and fully open a hot water tap. 5.

43Wiring Diagram Figure 42 WARNING DO NOT adjust any dipswitch settings on PC board except Dip Switch #1, if required, for vent length.

44Wiring Diagram – Schematic Figure 43

45 TEMPERATURE CONTROLS The front panel temperature control allows the customer to set the hot water supply temperature and will display certain fau

46Before installing optional Remote Controls, determine the most convenient locations(s). When deciding on the best location for the remote controls

478. Remove the plastic cover from the PCB and electrical connections. 9. Thread the cable through the access hole at the base of the water heater

48 NOTICE The default temperature setting displayed for commercial controls that will appear when the water heater is first connected to the elec

49SECTION IX: OPERATING INSTRUCTIONS WARNING Water heaters are heat-producing appliances. To avoid damage or injury there must be no materials st

5 Liquefied petroleum gases/propane gas is heavier than air and will remain at floor level if there is aleak. Basemen

50LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or explosion may res

51 CAUTION In climates where below freezing temperatures may occur, the water heater must be drained when power is off to the water heater to preven

522. To set the desired temperature on the control, all hot water faucets must be closed. If there are Remote Controls installed, press the “Priori

53Commercial Models (See figure 49): 1. Commercial models have the control mounted on the front of water heater, which will allow the outlet water

54SCALDING                    

55FIRST AID FOR SCALDS 1. Remove all wet clothing quickly. Wet clothing retains the heat. 2. Apply cold water to burned area for 30 minutes to re

56SECTION X: MAINTENANCE WARNING Always turn off the electrical power supply, the manual gas valve, and the manual water control valve whenever se

57 CAUTION Before manually operating the valve, make sure that a drain line has been attached to the valve to direct the discharge to an open drain.

58Lime Scale Flushing Diagram Figure 52 COMMON TROUBLESHOOTING COMMENTS ON THE OPERATION OF THE EVERHOT® TANKLESS WATER HEATER Comment: I don’

59Schematic Diagram of Internal Parts Figure 53

6SECTION II: SPECIFICATIONS Flow Rate vs Temperature Rise Curve for EVERHOT® IGI Model Series *Note: The maximum flow is based upon a minimum

60SECTION XI: PARTS LIST Cabinet 1 Temperature Control Included. Note: Can purchase additional controls for remote locations.

61 Internal Components

62 Internal Components

63 Electrical Components

64VENTING COMPONENTS PARTS LIST Number Description Quantity 001 Casing Assembly 1 002 Wall Fitting Bracket 2 003 Rubber Bushing 1 004 Connect

65Number Description Quantity 127 Blower Mounting Bracket 1 128 Blower Gasket 1 129 Blower Motor 1 130 Blower Venturi Inlet Plate 1 131 Bellow C

66Number Description Quantity 800 Screw 8 801 Screw 4 802 Washer 4 803 Screw 3 804 Screw 1 805 Screw 3 810 O-Ring 2 811 O-Ring 1 812 O-Ring 1 813 O-R

67NOTES:

800.900.9276 • Fax 800.559.1583 (Customer Service, Service Advisors)20 Industrial Way, Rochester, NH 03867 • 603.335.6300 • Fax 603.335.3355 (Applicat

7EVERHOT® IGI Model Series Dimensions Figure 1

8SPECIFICATIONS Dimensions (Inches) Height: 25 5/8” (65.1 cm) Width: 13 25/32” (35 cm) Depth: 8 13/16” (22.4 cm) Outside Vent Connection:

9SECTION III: GENERAL INFORMATION FEATURES The LAARS EVERHOT® IGI series tankless water heater is a high output, high efficiency appliance, which