Laars Stor - Installation, Operation and Maintenance Ins User Manual

238-43480-00E REV 01/08 Doc. 11045 INDIRECT-FIRED WATER HEATER A Spanish language version of these instruc

10Specifications continued- Table 4: Water Heater Performance MODEL Maximum First Hour Rating (Gal/Hr) @ 140 °F 115 °F Continuous Draw R

11Specifications continued- NOTICE If the boiler takes longer to heat up from a cold start than the water availability as noted above, hot water sh

12 SECTION III GENERAL INFORMATION FEATURES This water heater contains the following features: HEAT EXCHANGER -- The heat exchanger (coil) has 1” N

13General Information continued- TEMPERATURE AND PRESSURE RELIEF VALVE WARNING Keep clear of the combination temperature and pressure relief valv

14General Information continued- SACRIFICIAL ANODES—Three sacrificial anode rods have been installed in the tank head to extend tank life. The ano

15SECTION IV PRE-INSTALLATION UNPACKING INSPECT SHIPMENT carefully for any signs of damage. If damage is noted, do not install the product. Contac

16Pre-installation continued- NOTICE Increasing the boiler DOE heating capacity above the values listed in Table 3 will not increase the rating of

17Pre-installation continued- DOMESTIC HOT WATER PRIORITY Two options are available, Priority and Non-Priority. 1. Priority – Demand for space heat

18Pre-installation continued- Component Location Clearance from Combustible Materials Top Sides Front Rear 0” 0” 0” 0” Table 6 – Combustible Mate

19Pre-installation continued- Appliance Location 1. Boiler Location – Locate the indirect-fired water heater as close to the boiler as practical. 2

2CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation, and instruction manual

20SECTION V WATER CONNECTIONS WARNING FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE MANUF

21Water Connections continued- INSTALL TEMPERATURE AND PRESSURE RELIEF VALVE (if not factory installed) INSTRUCTIONS FOR POTABLE CONNECTIONS 1. B

22Water Connections continued- 4. NEVER OPERATE THE WATER HEATER WITHOUT FIRST BEING CERTAIN THAT IT IS FILLED WITH WATER. INSTRUCTIONS FOR BOILER

23Water Connections continued- Figure 2 - Water Boiler Piping with Zone Valves 2. For a space heating system that utilizes CIRCULATORS, refer to Fi

24Water Connections continued- CONNECT STEAM BOILER SUPPLY PIPING Figure 4 represents a typical steam boiler connection diagram. Refer to the boile

25SECTION VI ELECTRICAL CONNECTIONS Install electric wiring in accordance with National Electric Code or the Canadian Electrical Code and local regu

26Electrical Connections continued- Figure 5 - Aquastat Control SECTION VII OPERATING INSTRUCTIONS WARNING Water heaters are heat-producing ap

27Electrical Connections continued- SYSTEM START-UP Follow boiler installation instructions to place boiler in operation. SEQUENCE OF OPERATIONS 1.

28Electrical Connections continued- Table 8 details the approximate relationship of water temperature and time with regard to scald injury and may b

29Electrical Connections continued- 2. After the water heater completes a heat-up cycle, check the water temperature at a faucet. Allow enough wate

3 CAUTION The maximum boiler water supply temperature to the indirect heat exchanger must not exceed 240°F (115°C). NOTICE Insulation blankets are n

30Maintenance continued- If the temperature–pressure relief valve on the heater discharges periodically or continuously, it may be due to thermal ex

31Maintenance continued- a. Turn the water heater electricity off for the zone containing the indirect-fired heater. Flow water until the discharg

32SECTION IX TROUBLE SHOOTING GUIDE PROBLEM CAUSE SOLUTION Refer to boiler installation instructions. Check main service switch. Boiler does not ope

33Trouble Shooting Guide continued- PROBLEM CAUSE SOLUTION Aquastat setting too low. Adjust aquastat to higher setting. See Section VII. Undersize

34SECTION X PARTS LIST PART NAME & DESCRIPTION 1. Aquastat Control 7. Drain Valve 2. Aquastat Well 8. Jacket Head Pan 3. Anode 9. H

35Contact your supplier or plumbing professional for replacement parts or contact the company at the address given on the rating plate of the water h

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

4SECTION I IMPORTANT INFORMATION -READ CAREFULLY- The equipment must be installed in accordance with those installation regulations required in the

5Important Information continued- DANGER DO NOT store or use gasoline or other flammable, combustible, or corrosive vapors and/or

6Important Information continued- WARNING Installation is not complete unless a pressure and temperature relief valve is installed into the side

7Important Information continued- WARNING It is the responsibility of the installing contractor to see that all controls are correctly installed an

8SECTION II SPECIFICATIONS Figure 1 – Tank Layout Table 1: Water Heater Dimension (Inches) MODEL A B C D E F 30-Gal. / Res. 22 33

9Specifications continued- Table 2: Water Heater Capacities MODEL Tank Capacity (Gal) Coil Volume (Gal) Dry Weight (Lbs) Wet Weight (Lbs) 30-Gal.