Zodiac Jandy Legacy LRZ Millivolt Spécifications télécharger pdf (Page 27)

Page 27

Legacy™ Model LRZM Pool/Spa Heater Installation and Operation Manual

heater's safe and efcient operation. The following

basic safety checks must be performed.

1. Inspect the venting system for blockage, leakage,

and corrosion.

2. Inspect burners and verify that they are clean.

Clean with a wire brush if necessary to remove

debris.

3. Check for spider webs and other debris in the

pilot and main burner orices - especially at

spring start-up.

4. Check for loose or broken wires and terminal

connections.

5. Make sure that the pressure switch operates

properly by shutting the lter pump off and on

a few times. The burner should go off immedi-

ately after the pump stops. An ignition sequence

should start shortly after the pump is turned back

on.

6. Make a visual check of the main burner and pilot

ame patterns. The ame can be seen in a mirror

arrangement held beneath the burners. The ame

should be:

a. Blue in color.

b. 25 mm to 102 mm above burner surface

(see Figure 23).

7. Inspect the gas and electronic controls, including

the following:

a. High temperature limit switch

b. Water pressure switch

c. Automatic gas valve

d. Fusible Link

e. Temperature control

8. Perform a temperature rise test in accordance

with Section 11.6.

9. If the heater is equipped with a pressure relief

valve, check for corrosion in and around the

valve. With the lter pump on, lift the release

lever on the top of the valve to make sure that

water runs freely through it. If corrosion is found,

replace the pressure relief valve. When replacing

the valve, be sure that the pump is off. Install the

valve so that the discharge is directed away from

any area that may be damaged by water.

10. Inspect the external surfaces of the heat exchang-

er tubes for black carbon soot buildup by placing

a mirror between and under the burners when the

heater is ring. Remove any soot that has collect-

ed on the tubes, and correct the cause.

NOTE After installation and rst start-up, check the

heat exchanger for black carbon soot buildup

after the following periods of operation: 24

hours, 7 days, 30 days, 90 days, and once

every 6 months thereafter.

11. Conduct a normal operating cycle and observe

that the sequence proceeds as intended.

CAUTION

For your safety, when starting the heater, keep your

head and face away from the burner area opening

to prevent any risk of personal injury.

NOTE Keep this manual in a safe place for future

reference by you and your professional

technician when inspecting and servicing the

heater.

Pilot, Thermal Pile and Thermocouple Position

Thermal Pile

Thermocouple

Figure 23. Pilot, Thermopile and Thermocouple

Positions, and Main Burner Flame Patterns

Main Burner Flame Pattern

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 39 40

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Zodiac Jandy Legacy LRZ Millivolt Spécifications Page 27

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