Laguna 100K Bedienungsanleitung

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.

Do not store or use gasoline or other flammable vapors and liquids in

the vicinity of this or other appliances.

For Your

Safety

Warning: Improper installation, adjustment, alteration, service or maintenance can cause

property damage, personal injury or death. Installation and service must be performed by a

qualified installer, service agency or the gas supplier.

Consumer

Retain For

Future

Reference

Laguna 100K

ABOVE GROUND POOL & SPA HEATER

OPERATION & INSTALLATION MANUAL

IMPORTANT SAFETY INSTRUCTIONS

READ AND FOLLOW ALL INSTRUCTIONS

SAVE THESE INSTRUCTIONS

WARNING

WHAT TO DO IF YOU SMELL GAS

•Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor's phone.

Follow the gas supplier's instructions.

• If you cannot reach your gas supplier, call the fire department.

WARNING

U.S. Patent Numbers

5,201,307 - 4,595,825

Laguna Pool and Spa Products • P.O. Box 8085 - Moorpark, CA 93020

P/N 471243 Rev. D 1-19-00

TABLE OF CONTENTS

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Safety Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Direct Spark Ignition Lighting/Operation - Natural & Propane . . . . . . . . . . . . . . . . . . . 5

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

To Turn Off Gas to Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Millivolt Lighting/Operation - Natural & Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Lighting Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

To Turn Off Gas to Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Operating (Controls) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Heater Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Controls Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Maintenance Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Energy Saving Tips. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Spring and Fall Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Winter Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Chemical Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Pool and Spa Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Outdoor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Indoor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Plumbing Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Manual Bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Pressure Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Water Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Quick-Flange II Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Gas Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Gas Line/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Pipe Sizing Chart/Gas Pressure Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Regulated Manifold Pressure Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Gas Pressure Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Outdoor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Indoor Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Vent Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Stack Type Indoor Draft Hood Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Indoor Draft Hood Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Transformer Wiring Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Electronic Direct Spark Ignition Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Millivolt Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Trouble Shooting (General) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Parts List & Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21, 22

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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 enjoyment.

The Laguna 100K is a compact, lightweight and efficient gas fired high performance above ground pool and spa

heater that can be connected to schedule 40 CPVC or ABS pipe and has a built-in top. The heater features include

the following features.

• Reliable direct-spark ignition (DSI) system available in propane or natural gas versions.

• Millivolt standing pilot versions in propane and natural gas, when no convenient line power is present.

• Fuel gas input of 100,000 btu/hr with thermal efficiency in excess of 82%.

• Quiet and dependable operation from packaged burner system proven reliable in worldwide usage.

• Heat exchanger constructed of premium non-corroding materials including bronze headers standard.

• The controls have been designed to be very easy to troubleshoot and very easy to access and replace in the

rare event of a malfunction-making the Laguna 100K user friendly.

IMPORTANCE NOTICES FOR THE INSTALLER AND OPERATOR.

The manufacturer’s warranty may be void if, for any reason, the heater is improperly installed and /or operated.

Be sure to follow the instructions set forth in this manual.

These heaters are designed for the heating of swimming pools and spas, and should never be employed for use as

space heating boilers, general purpose water heaters, or for the heating of salt water.

CODES

The installation must conform with local codes or in the absence of local codes with the latest National Fuel Gas

Code, ANSI Z223.1, and the latest edition of the National Electrical Code, NFPA 70.

Installation in Canada to be made in accordance with the latest CAN/CGA-B149.1 or .2 and CSA C22.1

Canadian Electric Code, part 1.

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 tub use can cause drowsiness

which could lead to unconsciousness and

subsequently result in drowning.

3. Pregnant women beware! Soaking in water

above 102° F. (39° C.) can cause fetal damage

during the first three months of pregnancy

(resulting in the birth of a brain-damaged or

deformed child). Pregnant women should stick

to the 100° F. (38° C.) maximum rule.

4. Before entering the spa or hot tub, the user should

check the water temperature with an accurate

thermometer. Spa or hot tub thermostats may err

in regulating water temperatures by as much as

4° F. (2.2° C.).

5. Persons with medical history of heart disease,

circulatory problems, diabetes or blood pressure

problems should obtain their physician's advice

before using spas or hot tubs.

6. Persons taking medication which induce

drowsiness, such as tranquilizers, antihistamines or

anticoagulants should not use spas or hot tubs.

Operation

This instruction manual provides operating instructions, installation, and service information for the Laguna 100K

high performance heater. The information in this manual applies to the Laguna 100K natural gas and propane,

DSI and millivolt standing pilot heater models.

It is very important the owner/installer read and understand the section covering installation and recog-

nize the local code and state codes before installing the Laguna 100K. History and experience have shown

that most heater damage is caused by improper installation practices.

WARRANTY INFORMATION

The Laguna 100K pool heater is sold with a limited factory warranty. Specific details are described on the

back cover of this manual and a copy of the warranty and warranty registration card are included with

the product. Return the warranty registration card after filling in the serial number from the rating plate inside the

heater. For ordering parts, you should indicate model and serial numbers of the heater. If the parts are re-

quested for warranty, you must also indicate the date of installation.

PacFab's high standards of excellence include a policy of continuous product improvement resulting

in your state-of-the-art heater. We reserve the right to make improvements which change the specifi-

cations of the heater without incurring an obligation to update current heater equipment.

Should overheating occur or the gas supply fail to shut off, turn off the manual gas control valve to the

appliance. Do not use this heater if any part has been under water. Immediately call a qualified service

technician to inspect the heater and to replace any part of control system and gas control which has

been under water.

WARNING

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 floor

because some gas is heavier than air and will settle

on the floor.

WHAT TO DO IF YOU SMELL GAS

- Do not try to light any heater.

- Do not touch any electric switch; do not use any

phone in your building.

- Immediately call your gas supplier from a neighbor's

phone. Follow the gas supplier's instructions.

- 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 the knob will not

push in or turn by hand, don't try to repair it. Call a

qualified service technician. Forced or attempted

repair may result in a fire or explosion.

D. Do not use this heater if any part has been under

water. Immediately call a qualified service

technician to inspect the heater and to replace any

part of the control system and any gas control

which has been under water.

LAGUNA 100K DIRECT-SPARK IGNITION LIGHTING/OPERATION-

NATURAL GAS & PROPANE

Operation (contd.)

OPERATING INSTRUCTIONS

1. STOP! Read the safety information above.

2. Set the thermostat to lowest setting, fully counterclockwise.

3. Turn off electric power to the heater.

4. This heater is equipped with an ignition device which automatically lights

the main burner. Do not try to light the main burner by hand.

5. Remove the control access door.

6. Turn the gas control lever horizontally to "OFF"; see Figure 1.

7. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP!

Follow "B" in the safety information above. If you don't smell gas, go to the

next step.

8. Turn the gas control lever vertically to "ON".

9. Replace the control access door.

10. Turn on the electrical power to the heater.

11. Set the thermostat to the desired setting.

12. If the heater will not operate, follow the instructions "To Turn Off Gas To

Heater" and call your service technician or gas supplier.

1. Set the thermostat to lowest setting.

2. Turn off all electric power to the heater if service

is to be performed.

3. Remove control access door.

4. Turn gas control lever horizontally to "OFF".

Do not force.

5. Replace control access door.

TO TURN OFF GAS TO HEATER

Figure 1.

If you do not follow these instructions exactly, a fire or explosion may result causing personal injury,

loss of life and property damage.

Since propane gas is heavier than air, escaping propane will accumulate and remain at ground level.

Do not attempt to light the heater. If you suspect a propane leak, lighting the heater can result in a fire

or explosion which can cause personal injury, death, and property damage.

WARNING

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 Figure 2.

6. The knob cannot be turned from "PILOT" to "OFF" unless the knob is

pushed in slightly. Do not force.

7. Wait five (5) minutes to clear out any gas. If you then smell gas, STOP! Follow "B" in the

safety information above. If you don't smell gas, go to next step.

8. Turn the knob on the gas control to counterclockwise to "PILOT"; see Figure 3.

9. Push the control knob all the way and hold in. Immediately light the pilot with

Presslite matchless ignition system by pressing the red igniter button, (located at

panel next to the gas valve). Continue to hold the control knob in for about (1)

minute after the pilot is lit. Release knob and it will pop back up. Pilot should remain

lit. If it goes out, repeat steps 4 through 7.

10. If the knob does not pop up when released, stop and immediately call your service

technician or gas supplier.

11. If the pilot, see Figure 4, will not stay lit after several tries, turn the gas control knob

to "OFF" and call your service technician or gas supplier.

12. Turn the gas control knob counterclockwise to "ON".

13. Replace the control access door.

14. If the heater will not operate, follow the instructions "To Turn Off Gas To Heater"

and call your service technician or gas supplier.

TO TURN OFF GAS TO HEATER

1. Set the thermostat to lowest setting.

2. Turn off all electric power to the heater if service is to be performed.

3. Remove control access door.

4. Turn gas control lever horizontally to "OFF". Do not force.

5. Replace control access door.

Operation (contd.)

MILLIVOLT LIGHTING/OPERATION- NATURAL GAS & PROPANE

FOR YOUR SAFETY: READ BEFORE LIGHTING

Figure 4.

PILOT ADJ

OFF

VENT

A. This heater has a pilot that must be lit manually. When

lighting the pilot follow these instructions exactly.

B. BEFORE LIGHTING smell all around the heater area

for gas. Be sure to smell next to the floor because some

gas is heavier than air and will settle on the floor.

WHAT TO DO IF YOU SMELL GAS

- Do not try to light any heater.

- Do not touch any electric switch; do not use any phone

in your building.

- Immediately call your gas supplier from a neighbor's

phone. Follow the gas supplier's instructions.

- 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 the knob will not push in or

turn by hand, don't try to repair it. Call a qualified service

technician. Forced or attempted repair may result in a

fire or explosion.

D. Do not use this heater if any part has been under water.

Immediately call a qualified service technician to inspect

the heater and to replace any part of the control system

and any gas control which has been under water.

Figure 3.

WARNING

If you do not follow these instructions exactly, a fire or explosion may result causing personal injury,

loss of life and property damage.

Since propane gas is heavier than air, escaping propane will accumulate and remain at ground level. Do

not attempt to light the heater. If you suspect a propane leak, lighting the heater can result in a fire or

explosion which can cause personal injury, death, and property damage.

Figure 2.

(Robertshaw valves)

(SIT valve)

All Gas knob's shown

in "OFF" position.

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.

The Laguna 100K MV (Millivolt) requires no external

power source and the control circuit derives all its

power from the energy generated from the standing

pilot/ thermopile-generator combination. Note: Some

states ,including California, have energy

conservation regulations preventing the sale and

use of certain standing pilot (millivolt) equipment.

The Laguna 100K DSI Control utilizes a

microprocessor to continually and safely monitor,

analyze, and control the proper operation of the gas

burner. The DSI Control features LED diagnostics,

automatic one hour reset, and flame current test pins.

The LED is located on the DSI.

CONTROLS OPERATION (DSI SYSTEM)

Heat Mode

1. When a call for heat is received from the thermostat

supplying 24 volts to TH terminal on control, the

control will reset, perform a self check routine, and

flash the diagnostic LED for up to four seconds.

After a brief delay the gas valve is energized and

the ignition electrode begins to spark for the four

(4) second trial for ignition (TFI) period.

2. When flame is detected during the trial for ignition,

sparking is shut-off immediately and the gas valve

remains energized. The thermostat and main burner

flame are constantly monitored to assure the system

continues to operate properly.

a.When the thermostat is satisfied and the demand

for heat ends, the main valve is de-energized

immediately.

Screw A

Operation (contd.)

Knob Stopper

Figure 5.

OPERATING (CONTROLS)

DIRECT SPARK ELECTRONIC AND

MILLIVOLT MODELS

For convenience and economy all Laguna 100K

heaters are equipped with a thermostat on the front of

the heater control panel; see Figure 5.

Direct Spark Laguna 100K heaters are equipped

with an electronic thermostat while Millivolt Laguna

100K heaters have a mechanical thermostat.

The Pool/Off/Spa switch allows the heater to be turned

off when heating is not desired.

1. "ON" position - Maintains selected pool temperature.

2. "OFF" position - Heater will not come on regardless

of drop in pool temperature.

THERMOSTAT ADJUSTMENT

The knob with locking feature eliminates the need for

constant thermostat adjustments. Set the knob pointer

to the desired spa temperature.

NOTE

To eliminate error due to piping heat losses

measure pool temperature with an accurate

thermometer directly at the pool or spa.

If further adjustment is needed rotate the knob until the

desired temperature is obtained. This knob position

corresponding to your desired maximum pool or spa

temperature may now be preset (locked) by the knob

stopper which prevents the knob from being turned

beyond the maximum temperature you set.

THERMOSTAT KNOB STOPPER

Each thermostat is equipped with a mechanical stop

that can be locked or unlocked with use of a screw-

driver to prevent temperatures in excess of that

desired by the user; see Figure 5.

The maximum setting can be adjusted by loosening

the screw "A" and turning the stopper dial to desired

maximum setting. Lock the setting by tightening the

screw. The Mechanical stop is under the knob.

Ensure that the knob is stopping at the correct posi-

tion when the knob is rotated clockwise from a lower

temperature position.

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

resetting the thermostat or turning off the ON/OFF

switch for a minimum period of 5 seconds.

IMPORTANT!

IT IS RECOMMENDED THAT NO MORE THAN

TWO IGNITION ATTEMPTS IN SUCCESSION

BE PERFORMED FOR NATURAL GAS

SYSTEMS . BEFORE FURTHER IGNITION

ATTEMPTS WAIT AT LEAST FIVE MINUTES

FOR GAS TO CLEAR.

FOR PROPANE (LPG) SYSTEMS ALLOW AT

LEAST FIVE (5) MINUTES BETWEEN IGNITION

ATTEMPTS FOR THIS HEAVIER-THAN-AIR

GAS TO SAFELY DISSIPATE. AFTER TWO

UNSUCCESSFUL IGNITION ATTEMPTS WITH

PROPANE OPEN THE BURNER ACCESS

DOOR AND WAIT AT LEAST THIRTY (30)

MINUTES BEFORE REPLACING DOOR TO

ATTEMPT FURTHER IGNITION ATTEMPTS.

NOTE

Normally the heater will light in the first or

second attempt. And with the exception of

a new installation or one that has been

shut down for an extended period, where

there is considerable air trapped in the gas

supply line, unsuccessful ignition

indicates other problems with the ignition

system - such as an unclean ignition

electrode impeding flame sensing.

3. If the thermostat is still calling for heat one hour

after a lockout the control will automatically reset

and attempt to ignite the burner again.

Flame Failure-Re-Ignition

1. If the established flame signal is lost while the

burner is operating, the control will respond within

0.8 seconds. The H.V. spark will be energized for a

trial for ignition period in an attempt to relight the

burner.

a. If the burner does not light the control will de-

energize the gas valve, shutting off the gas flow,

and the control will go into lockout as described

above in “Failure to Light-Lockout”. If flame is

re-established, normal operation resumes.

Operation - Heater (contd.)

Control Fault -Diagnostic LED Conditions

Error Mode LED Indication

Internal Control Failure Steady on

Flame Sense Fault 2 flashes

Ignition Lockout 3 flashes

The DSI Ignition Control can be accessed after removing

the heater’s front control panel. The diagnostic LED

located on the top of the DSI control will flash on for 1/4

second, then off for 1/4 second during a fault condition.

The pause between fault codes is 3 seconds.

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.

Service Checks

Symptom Cause/Cure

1. Dead A. Miswired

B. Transformer bad

C. Fuse/circuit breaker open

D. Bad control (check LED for steady on)

2. Thermostat on, A. Miswired

no spark B. Bad thermostat no voltage @

terminal TH

3. Valve on, no spark A. Shorted Ign. electrode

B. Open HV Ign cable

C. Miswired

D. Bad DSI control

4. Spark on, no valve A. Valve coil open

B. Open valve wire

C. Bad control (also check voltage

between V1 & V2)

5. Flame okay during A. Bad electrode

TFI, no flame sense B. Bad S1 or HV wire

(after TFI) C. Poor ground at burner

D. Poor flame (check flame sensor

current, which follows)

Operation - Heater (contd.)

Flame Sensor Current Check

Flame current is the current which passes through

the flame sensor to ground. The minimum flame

current necessary to keep system from lockout is 0.7

microamperes. To measure flame current, connect

DC microammeter to the FC- FC+ terminals as

shown in Figure 7. The meter should read 0.7

microamperes or higher when the heater is firing.

Figure 6.

Figure 7.

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 the main burner and the pilot

burner flame (on millivolt models). The normal

color of the flame is blue. When flame appears

yellow, burners should be inspected and cleaned;

see Figure 8.

3. Keep the burner area clear and free from combus-

tibles and flammable liquids.

ENERGY SAVING TIPS

1. If possible, keep pool or spa covered when not in

use. This will not only cut heating costs, but also

keep dirt and debris from settling in the pool and

conserve chemicals.

2. Reduce the pool thermostat setting to 78°F. or

lower. This is accepted as being the most healthy

temperature for swimming by the American Red

Cross.

3. Use an accurate thermometer.

4. When the proper maximum thermostat settings

have been determined, tighten the thermostat knob

stopper.

5. Set time clock to start circulation system no earlier

than daybreak. The swimming pool loses less heat

at this time.

6. For pools that are only used on the weekends, it is

not necessary to leave the thermostat set at 78 °F.

Lower the temperature to a range that can be

achieved easily in one day. Generally, this would

be 10° F. to 15° F., if pool heater is sized properly.

7. During the winter or while on vacation, turn heater

off.

8. Set up a regular program of preventative

maintenance for the heater each new swimming

season. Check heat exchanger, controls, burners,

operation, etc.

MAINTENANCE INSTRUCTIONS

SPRING AND FALL OPERATION

If the pool is being used occasionally, do not turn the

heater completely off. Set the thermostat down to

65°F. This will keep the pool and the surrounding

ground warm enough to bring the pool up to a com-

fortable swimming temperature in a shorter period of

time.

WINTER OPERATION

If the pool won't be used for a month or more, turn

the heater off at the main gas valve. For areas where

there is no danger of water freezing, water should

circulate through the heater all year long, even though

you are not heating your swimming pool. This heater

should not be operated out doors at temperatures

below 32° F. (0° C.). Where freezing is possible, it is

necessary to drain the water from the heater. This

may be done by opening the drain valve located at the

inlet/outlet header allowing all water to drain out of

the heater. It would be a good practice to use

compressed air to blow the water out of the heat

exchanger.

Blue Flame

Figure 8.

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