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Jandy® Legacy™ Model LRZE Pool/Spa Heater by Zodiac®
|
Installation and Operation Manual
table 8. Legacy Model LRZ electronic troubleshooting Guide
#
Symptom
cause
Remedy
1.
Pump not operating
A. No power
B. Pump defective
C. Incorrectly wired
D. Pump relay defective
E. Time clock settings not synchronized with
actual time
F. Controller defective
A. Check circuit breakers and power source.
B. Replace.*
C. Recheck wiring.*
D. Replace pump relay.*
E. Check time clock setting and current time.
F. Replaced controller.*
2.
Flame roll-out on
start-up
A. Blocked flue on start-up
B. Igniter out of position (delayed ignition)
C. Blocked heat exchanger
D. Refractory tile out of place
E. Altered draft hood
F. Downdraft conditions
G. Low gas pressure.
A. Remove blockage.*
B. Correct igniter position.*
C. Clean and correct as necessary.*
D. Correct or replace tile as necessary.*
E. Install factory-provided draft hood.*
F. Install vent cap.*
G. Adjust burner or supply pressure.
*
3.
Spillage at draft hood
A. Cold chimney
B. Vent pipe pitches down to chimney
C. Blocked chimney
D. Draft hood altered
.
E. Prefabricated chimney with incorrect cap
A. Allow heater to operate 5 minutes to create
draft action.*
B. Reinstall vent pipe to pitch up from heater to chimney.
C. Remove blockage.*
D. Install factory-provided draft hood.*
E. Install a Nationally Recognized Testing Lab (NRTL)
listed vent cap.*
4.
Flame has lazy yellow
tip
A. Low primary air / low gas pressure
A. Correct manifold pressure according to rating plate.
Correct lazy yellow tip orifice size if necessary (see
parts list). Clean burner ports if dirty.*
5.
Not enough heat
A. Inadequate gas supply
B. Low manifold gas pressure
C. Heater size inadequate
D. Temperature rise set incorrectly
A. Gas meter too small. Gas line from meter to heater
too small.*
B. Gas pressure on heater manifold, should be adjusted
to 4.0" W.C. (Natural), 9.0" W.C. (Propane).*
C. Replace with heater of higher input.*
D. Adjust temperature rise according to Section 7.8 of
this manual. *
6.
Heater pounding or
knocking
A. Inadequate water flow through heater
A. Check temperature rise between inlet and outlet
heater piping. See Section 7.8 for recommended
range of terperature rise. If temperature rise is above
the maximum recommended, adjust the bypass.
Check for closed valve in system.*
7.
Heater condensing
A. Low water temperature
B. Heater plumbed backwards
C. Excessive water flow
A. Flue product moisture will condense at the start-up
until the heater water temperature reaches the normal
operating conditions.*
B. Correct Plumbing.*
C. Perform a temperature rise test according to Section
7.8. Adjust as necessary.*
8.
Igniter lights but main
burners wil not come
on
A. Gas valve not at “on” position
B. Air in gas line
C. Gas valve failed
A. Turn knob to “on” position.
B. Cycle ignition sequence until air is out of the gas line.*
C. Replace gas valve.*
* Must be performed by a qualified professional pool technician.
Summary of Contents for LRZ Electronic
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