Rinnai REU-V2626WG User Manual

INFINITY 16 REU-V1616W
V1200 REU-V1620W
INFINITY 18 REU-V2018W
INFINITY 20 REU-V2020W
Rinnai High Capacity Continuous Flow Gas Hot Water System
NOTE: This manual does not apply to models: REU-V1620WG, REU-V1620WB, REU-V2024WG, REU-V2024WE,
REU-V2426WB, REU-V2626WG, REU-VM2630WD, REU-VM2630WC, REU-V2632FFUG, REU-VM2632FFUC
SERVICE MANUAL

Rinnai REU-V2626WG Specifications

General

Category	Gas Heater
Model	REU-V2626WG
Type	Continuous Flow
Ignition Type	Electronic Ignition
Maximum Hot Water Output	26 L/min
Energy Efficiency Rating	6 stars
Warranty	12 Years Heat Exchanger
Gas Type	Natural Gas / LPG

Summary

2. Specifications

Sensors and Safety Devices

3. Water Flow Rates and Pressures

5. Smartstart

7. Operational Flow Chart

8. Operation Principles

9. Main Components

Water Heater and Controller installation configurations

12. Wiring Diagram

13. Dip Switch Settings

14. Fault Finding

Fault Finding Table

Lists common faults, error codes, and corresponding troubleshooting actions.

15. Component Circuit Value Table

16. Component and Circuit Checks

1. Combustion Fan Circuit

Procedure to check the combustion fan and its related circuit.

4. Solenoid Valve 1 (SV2) Circuit

Procedure to check Solenoid Valve 1 (SV2) circuit.

7. Flame Rod Circuit

10. Overheat Switch Circuit

13. Hot Water Outlet Thermistor Circuit

18. Maintenance Monitor / Error History

Error History

19. Gas Conversion Procedure

20. Dismantling for Service

Component Removal Procedures