Troubleshooting Guide - Jandy LRZ Electronic Installation And Operation Manual

Page 36
ENGLISH
# Symptom
1. Pump not operating
2. Flame roll-out on
start-up
3. Spillage at draft hood
4. Flame has lazy yellow
tip
5. Not enough heat
6. Heater pounding or
knocking
7. Heater condensing
8. Igniter lights but main
burners wil not come
on
* Must be performed by a qualified professional pool technician.
Jandy ® Legacy™ Model LRZE Pool/Spa Heater by Zodiac ®
table 8. Legacy Model LRZ electronic troubleshooting Guide
cause
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. 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. Cold chimney
B. Vent pipe pitches down to chimney
C. Blocked chimney
D. Draft hood altered .
E. Prefabricated chimney with incorrect cap
A. Low primary air / low gas pressure
A. Inadequate gas supply
B. Low manifold gas pressure
C. Heater size inadequate
D. Temperature rise set incorrectly
A. Inadequate water flow through heater
A. Low water temperature
B. Heater plumbed backwards
C. Excessive water flow
A. Gas valve not at "on" position
B. Air in gas line
C. Gas valve failed
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Installation and Operation Manual
Remedy
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.*
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.
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.*
A. Correct manifold pressure according to rating plate.
Correct lazy yellow tip orifice size if necessary (see
parts list). Clean burner ports if dirty.*
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. *
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.*
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.*
A. Turn knob to "on" position.
B. Cycle ignition sequence until air is out of the gas line.*
C. Replace gas valve.*
*