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  5. Operation & Installation Manual

Laguna 100K Operation & Installation Manual

Manual is about: ABOVE GROUND POOL & SPA HEATER

Summary of 100K

  • Page 1

    1 rev. D 1-19-00 p/n 471243 for your safety - read before operating warning: if you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. Contact your local laguna dealer for additional free copies of these instructions. D...

  • Page 2

    2 p/n 471243 rev. D 1-19-00 table of contents introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 3: Introduction

    3 rev. D 1-19-00 p/n 471243 introduction laguna 100k above ground pool and spa heaters congratulations on your purchase of a laguna 100k high performance heating system. Proper installation and service of your new heating system and correct chemical maintenance of the water will ensure years of enjo...

  • Page 4: Operation

    4 p/n 471243 rev. D 1-19-00 safety rules 1. Spa or hot tub water temperatures should never exceed 104 °f (40 °c). A temperature of 100 °f (38 °c) is considered safe for a healthy adult. Special caution is suggested for young children. 2. Drinking of alcoholic beverages before or during spa or hot tu...

  • Page 5

    5 rev. D 1-19-00 p/n 471243 for your safety: read before lighting a. This heater is equipped with an ignition device which automatically lights the main burner. Do not try to light the main burner by hand. B. Before operating smell all around the heater area for gas. Be sure to smell next to the flo...

  • Page 6

    6 p/n 471243 rev. D 1-19-00 lighting instructions 1. Stop! Read the safety information above. 2. Set the thermostat to the lowest setting. 3. Turn off all electric power to the heater. 4. Remove the control access door. 5. Push in the gas control valve slightly and turn clockwise to "off"; see figur...

  • Page 7

    7 rev. D 1-19-00 p/n 471243 heater operation general the laguna 100k dsi employs a microprocessor based direct spark ignition (dsi) system to light the main burner and therefore has no pilot. The ignition circuit operates at 24 vac and requires that line voltage 115/230 be supplied to the heater. Th...

  • Page 8

    8 p/n 471243 rev. D 1-19-00 failure to light- lockout 1. Should the main burner fail to light, or flame is not detected during the trial-for-ignition (tfi) period the control will go into lockout and the valve will be turned off immediately. 2. Recovery from lockout requires a manual reset by resett...

  • Page 9

    9 rev. D 1-19-00 p/n 471243 proper electrode location proper location of the ignition electrode assembly is important for optimum and safe system performance. The electrode assembly should be located as noted in figure 6. The electrode assembly is not field repairable and must be replaced if damaged...

  • Page 10: Maintenance

    10 p/n 471243 rev. D 1-19-00 maintenance it is recommended that you check the following items at least every six months and at the beginning of every swimming season. 1. Examine the venting system. Make sure there are no obstructions in the flow of combustion and ventilation air. 2. Visually inspect...

  • Page 11

    11 rev. D 1-19-00 p/n 471243 chemical balance pool and spa water your laguna pool heater was designed specifically for your spa or pool and will give you many years of trouble free service provided you keep your water chemistry in proper condition. Three major items that can cause problems with your...

  • Page 12: Installation Instructions

    12 p/n 471243 rev. D 1-19-00 installation instructions important notice: these installation instructions are designed for use by qualified personnel only, trained especially for installation of this type of heating equipment and related components. Some states require installation and repair by lice...

  • Page 13

    13 rev. D 1-19-00 p/n 471243 pressure switch the pressure switch will keep the circuit open when the pump is not on and operating. When the filter pump turns on, the pressure switch closes the circuit and the heater will operate. When the heater is installed below water level of a spa or pool, adjus...

  • Page 14

    14 p/n 471243 rev. D 1-19-00 installation (contd.) water connections quick-flange ii installation instructions figure 12. For 1½ schedule 40 cpvc or abs pipe or schedule 80 pvc (you may adapt to sch 40 pvc 12 inches beyond the quick flange ii) (1½ in. Npt x 1½ in. Cpvc/abs slip male adaptor may be r...

  • Page 15

    15 rev. D 1-19-00 p/n 471243 gas connections regulated manifold pressure test 1. Attach the manometer to the heater jacket. 2. Shut off the main gas valve. 3. Remove 1/8" npt plug on the outlet side of the valve and screw in the fitting from the manometer kit. 4. Connect the manometer hose to the fi...

  • Page 16

    16 p/n 471243 rev. D 1-19-00 ventilation outdoor installation this heater is certified by international approval services (aga & cga) for outdoor installation. If the heater is installed in very cold areas proper precau- tions are needed for freeze protection. The heater must be placed in a suitable...

  • Page 17

    17 rev. D 1-19-00 p/n 471243 indoor installation the installation of venting system should conform with the latest edition of ansi z223.1, the national fuel gas code, and/or in canada, can/cga-b149.1 or .2 or applicable provision of the local codes. All products of combustion and vent gases must be ...

  • Page 18: Electrical, Dsi Units

    18 p/n 471243 rev. D 1-19-00 installation - ventilation (contd.) fig. 18. Draft hood. Vent test use the following steps to perform a quick check of your venting installation. Allow the heater to operate for 15 minutes. Close the doors in the room, then strike a wooden match and blow out the flame. H...

  • Page 19

    19 rev. D 1-19-00 p/n 471243 installation (contd.) laguna 100k electronic direct spark ignition wiring diagram thermal fuse hi limit sw. Pressure sw. Water thermostat on/off sw. Igniter spark module gas valve minimax 100 electronic wiring diagram code or superceding local (wiring) codes. Interconnec...

  • Page 20

    20 p/n 471243 rev. D 1-19-00 troubleshooting - general possible cause remedy heater will not come on automatic ignition system fails check if electrical connections are correct and securely fastened – if yes, call serviceman. Pump not running place pump in operation pump air locked check for leaks f...

  • Page 21: Parts List

    21 rev. D 1-19-00 p/n 471243 item description quant. Part number 1* indoor draft hood 1 471198 1a outdoor top 1 471213 2* indoor top (cover) 1 471075 3* indoor stack adaptor 1 471214 * indoor draft hood kit consisting of items 1, 2,& 3 1 471187 4 middle top 1 471069 5 flue collector 1 471059 6 retur...

  • Page 22: Exploded View

    22 p/n 471243 rev. D 1-19-00 exploded view 33 14 13a.

  • Page 23

    23 rev. D 1-19-00 p/n 471243 laguna heater limited warranty your laguna pool heater is another quality product from pacfab, inc. And is backed by the following warranty. 1. The following parts are warranted for one year from date of purchase: the laguna cabinet and combustion chamber, the main burne...

  • Page 24

    24 p/n 471243 rev. D 1-19-00 laguna pools and spa products p.O. Box 8085, moorpark, ca 93020 • (805) 523-2400