Weil-McLain AQUA PLUS GL-E223-ADOC 0311 - Manual (Page 27)

AQUA PLUS
indirect
-
fired water heaters
— Product Manual
Troubleshooting
Preparation for troubleshooting
Tools needed
❏ ❏ Electrical meter to measure voltage and continuity.
❏ ❏ Pressure gauge (such as Watts #276H300 test gauge).
❏ ❏ Temperature gauge.
❏ ❏ Stopwatch.
❏ ❏ Bucket —
1 gallon or larger, with volume markings.
Suggested parts to have on hand.
❏ ❏ Tank thermostat (Aquastat) — see Replacement parts for part number.
❏ ❏ Inspection and service kit — see Replacement parts for part number.
Information needed before the service call
❏ ❏ Know the water heater model number.
❏ ❏ Know the boiler manufacturer and model number.
❏ ❏ Have the boiler manual and wiring and piping schematics readily available.
❏ ❏ Get the latest revisions from www.Weil-McLain.com.
❏ ❏ Review all manuals before leaving for the jobsite.
Troubleshooting procedures
Follow the troubleshooting guidelines step by step . Always double-check your results.
Skipping or not completing steps can lead to wrong conclusions, repeated callbacks to the
jobsite and unhappy customers.
Part number GL-E223-ADOC 0311
27