Teledyne LLD manual

Model LLG & LLD Pool and Spa Heater Page 1 SECTION 1. General Information 1A. Introduction This manual provides installation and operation instructions for the Laars Lite, Model LLG and LLD pool and spa heaters. Read these installation and Figure 1. General Configuration. operation instructions completely before proceeding with the installation[...]

Page 2 Gas Association and Canadian Gas Association) as complying with the latest edition of the Standard for Gas-Fired Pool Heaters, ANSI Z21.56, and in Canada with CAN1-4.7-M85. Certain sections of this manual are specific to either United States or Canadian installations, and are labeled as such. 1B. Description The Laars Lite LLD heater gets el[...]

Model LLG & LLD Pool and Spa Heater Page 3 Notes: 1. An Underwriters' Laboratories listed vent cap is required to prevent downdraft and allow the heater to function properly and safely. 2. Use approved roof jack. 2C. Site Location WARNING Improper installation or maintenance can cause nausea or asphyxiation from carbon monoxide in flue gas[...]

Page 4 Figure 4. Non-Combustible Platform. Notes: 1. Blocks must provide solid base and be braced so they cannot slip out of place. 2. Air openings in blocks must be arranged to provide unrestricted opening through entire width or length of base. Figure 3. Outdoor Heater Installation. utility room. In the United States there must be a minimum of 4 [...]

Model LLG & LLD Pool and Spa Heater Page 5 5. Install a sediment trap (drip leg) ahead of the gas controls (see Figure 5). Fit the trap with a threaded cap which can be removed for cleaning. 6. Install a manual gas shutoff valve for service and safety. Do not use a restrictive gas cock. DO NOT USE GAS FLEXIBLE PIPING. 7. Disconnect the heater a[...]

Page 6 use 120 Volt, 60 Hz AC requires rewiring of the heater. This should be done by a certified electrician only, as with all wiring. To wire the heater for 120 Volt, 60 Hz AC, follow the alternate 120V wiring method depicted in Figure 6. Additionally, the ignition control module must be rewired. The wire from the terminal marked IGN/240 must be [...]

Model LLG & LLD Pool and Spa Heater Page 7 Figure 6. LLD Connection/Schematic Wiring Diagram.[...]

Page 8 Figure 7. LLG Connection/Schematic Wiring Diagram be wired for remote operation. The CS-02 remote control permits switching from one temperature controller to the other and turning the heater on and off from a remote location. The CS-04 includes the same features as the CS-02 plus a remote tempera- ture controller. Contact Teledyne Laars for[...]

Model LLG & LLD Pool and Spa Heater Page 9 Figure 8. Field Wiring Connections (LLD). Figure 9. Time Clock Wiring. Figure 10. Piping installation. Figure 11. Plastic piping connections. To connect a 3-wire remote (not supplied by Teledyne Laars), order a wire harness assembly (part No. E0120000) which connects to the flex-temp control panel. Ins[...]

Page 10 Figure 13. Flue collector holddown brackets. Figure 12. Heat exchanger reversal. To install plastic piping (see Figure 11): 1. Remove CPVC nipples from plastic bag. 2. Screw CPVC nipples into metal flange until tight, using teflon tape on plastic threads. 3. Attach PVC plumbing to CPVC pipes using PVC to CPVC cement only. 2G-2. Reversible W[...]

Model LLG & LLD Pool and Spa Heater Page 11 Caution It may be necessary to have help lifting the heat exchanger out and replacing it. 15. Lift out the heat exchanger assembly and set it aside. Re-install heat exchanger 180 degrees from it's original position (header left). 16. When replacing the heat exchanger from the heater, the end baff[...]

Page 12 injector to prevent ozone and air from entering the heater. • When chemical feeders are used, plumb the feeder downstream of the heater and install an inline check valve between the heater and the feeder (a minimum of 18" is required between the heater and the check valve). • Never deposit chemicals directly in the pool skimmer. 2G[...]

Model LLG & LLD Pool and Spa Heater Page 13 Figure 17. Thermometer and pressure relief valve. 3. Turn rotary switch to ON. Heater should start. 4. Pry out the top rubber dirt plug. 5. Use a 7/32 inch (5.55 mm) Allen wrench to turn the adjustment screw very slowly clockwise until the heater goes off (see Figure 18). 6. Slowly turn the pressure s[...]

Page 14 test (see Section 2G-8). 7. Open manual bypass valve until temp rise falls between the min. and max. range. 8. Once the temperature is within the correct range, safety wire handle of the manual bypass valve in place and tag valve to prevent change in the water low. SECTION 3. Operating Instructions 3A. General Information With any new pool [...]

Model LLG & LLD Pool and Spa Heater Page 15 W ARNING: If you do not follow these instructions exactly , a fire or explosion may result, causing property damage, personal injury or loss of life. • If you cannot reach your gas supplier , call the fire department. C. Use only your hand to push in or turn the gas control knob. Never use tools. If[...]

Page 16 FOR YOUR SAFETY READ BEFORE OPERA TING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A . This appliance has a pilot which must be lighted by a push button sparker. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTIN[...]

Model LLG & LLD Pool and Spa Heater Page 17 Note: When using metal pipe as heat sink, join metal and PVC/CPVC, using metal male and PVC/CPVC female connection. Figure 20. Typical installation. 3C. Setting the Temperature Control The temperature control (see Figure 17) is calibrated at the factory and covers a range from approximately 70 to 104?[...]

Page 18 3D-3. Spring Start-up To restart the heater in the Spring, have a profes- sional service technician reassemble the heater as follows: 1. Attach the copper tubing to the pressure switch and fill the loop with SAE 50, non-detergent oil (see Figure 21). 2. Tighten the drain plugs. 3. Turn on the main gas supply valve to the heater, outside the[...]

Model LLG & LLD Pool and Spa Heater Page 19 discourage further adjustments. 4. Set the filter time clock to start the pump no earlier than 6:00 AM during the pool heating season. This is the time when nightly heat loss balances. 5. If the pool is only going to be used on weekends, reduce the heater temperature control setting by 8 or 10 degrees[...]

Page 20 4B. Parts List Description Part Number A . VENTING ASSEMBLY 1. Top Enclosure Weldment ................................... R0313201-05 2. Top Filler Plate .................................................... 10535201-05 3. Flue Collector ..................................................... R0316401-05 (R0316406-10 for Canada) 4. Rainshield [...]

Model LLG & LLD Pool and Spa Heater Page 21 Description Part Number 13. Bracket, Insulation Retainer ...................................... 10462200 14. Sleeve, Temperature Control Bulb ............................ 10444900 15. Retainer Bracket ....................................................... 10447300 16 . Wire Harness, High Limit ......[...]

Page 22 D F E A3 A2 A1 A4 B2 B1 B4 E10 B8 B3 C1 C2 C3 C5 C4 A5 Redundant Limit (LLG only) See Page 23 for detail See Page 23 for detail[...]

Model LLG & LLD Pool and Spa Heater Page 23 Detailed view of LLG Burner Tray Assembly (E) E2 E3 E1 E4, E5, E6, E7, E8, E9 Detailed view of Heat Exchanger Assembly (D) D14, D15, D16, D17 Detailed view of LLD Burner Tray Assembly (E) E2 E3 E1 D13 D18 D10 D19 D12 D11 D20 D1, D3 D5, D6 D2, D4 D8, D9 D7[...]

Page 24 NOTES[...]

Model LLG & LLD Pool and Spa Heater Page 25 LAARS LITE LIMITED W ARRANTY Y our Laars Lite pool/spa heater is backed by this double warranty to assure your complete satisfaction. 1. Controls, copper heat exchanger tubes, and combustion chamber panels are warranted against defects in materials and workmanship for two (2) years from date of purcha[...]