Riverside Hydronics WB 125A-IFC - User Manual

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34-56 07/13

Centauri

®

CONDENSINGWATERBOILER

INSTALLATION & MAINTENANCE MANUAL

Models (400, 500, 650, 750, 850, 900, 1000) WB 125A-IFC

Models (500, 650, 750, 850, 900, 1000) WB 250A-IFC

Installation and service must be performed by a qualified service installer, service agency or the gas supplier.

IMPORTANT: THIS MANUAL CONTAINS INFORMATION REQUIRED FOR INSTALLATION, OPERATION AND

MAINTENANCE OF THIS EQUIPMENT. READ AND FOLLOW THE INFORMATION IN THIS MANUAL AND ALL OTHER

PROVIDED INSTRUCTIONS, LABELS AND MARKINGS BEFORE INSTALLING, OPERATING OR SERVICING THIS

UNIT.

TO THE INSTALLER: After installation, these instructions must be given to the equipment user or left near the appliance.

SPECIAL INSTRUCTIONS TO THE OWNER: Retain this manual for future reference. These instructions contain important

information that will help you in maintaining and operating this appliance.

Riverside Hydronics

, LLC

990 Haltom Road

Fort Worth, Texas 76117

1-800-990-5918

www.riversidehydronics.com

Main Page

Questions and Answers

L
Lisa PerryNov 10, 2025
How to troubleshoot a starting or pre-purge failure in Riverside Hydronics Boiler?
- M
  Matthew NunezNov 10, 2025
  If your Riverside Hydronics Boiler fails to start or pre-purge, here's what you can check: * **Power Supply:** Verify the fuse and/or circuit breaker. Also, check the voltage at the 120/24V step-down transformer. * **On-Off Switch:** Make sure the On-Off switch is illuminated. * **Temperature Control:** Ensure the operating temperature control is set higher than the boiler's current temperature. * **Flame Safeguard Control:** Check for a bad ground or a faulty control; replace if needed. * **Remote enable/disable open:** Enable the boiler or place a jumper between terminals R1-R2. * **Combustion Air blower:** Confirm the fan connection terminals on the flame control are closed and check for 24V at field access terminal C2. The remote interlock may be open. Also, the fan VFD ma...
K
Kenneth NavarroNov 25, 2025
What to do if Riverside Hydronics WB 125A-IFC has a flame failure?
- R
  Rachel SuttonNov 25, 2025
  If your Riverside Hydronics Boiler experiences flame failure, consider these potential causes and solutions: * **Power Supply:** Check the fuse and/or circuit breaker. Also, verify the voltage at the 120/24V step-down transformer. * **Flame Safeguard Control:** Inspect for a bad ground or a faulty control. Replace if necessary. * **Hot Surface Igniter:** Check the amp draw during heat-up. Replace the igniter if the amps are greater than 3.1A. Also, check for overheating due to damaged refractory around the igniter. * **Air-proving Switch:** See if the switch is bouncing; adjust or replace it. * **Gas Pressure:** Ensure proper inlet static and dynamic gas pressure. * **Combustion:** Inadequate flame signal can result from improper combustion. Adjust to proper CO2 levels at low ...