74
VIII.
VIII.
Troubleshooting
Troubleshooting
Circulation Pump
Circulation Pump
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Water Switch Pump Nuisance Tripping (2)
Water Switch Pump Nuisance Tripping (2)
“New” motor starter 423023
HINTS: Identifying new & original pumps & motor
starters:
• “New" circulation pump # 437345 – look for #
“5600 060022” stamped on housing.
• “Original" circulation pump # 239129 – look for #
“5600 050139” stamped on housing.
• “New" motor starter # 423023 – look for #
“041692” stamped on housing.
• “Original" motor starter # 182318 – look for #
“036906” stamped on housing.
“Original” motor starter 182318
“New” pump 437345
“Original” pump 239129
TECH TIPS: Using new & original pumps &
motor starters:
Use “new" circulation pump 437345 (with
135ºC OVLP) only with "original" motor
starter 182318 (4.7 – 4.8Ω).
Use “original" circulation pump 239129
(with 120ºC OVLP) only with "new" motor
starter 423023 (15Ω).
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