Rinnai REU-OPU3 Instructions D'installation

Part Number: REU-OPU3
Rinnai Tankless Water Heater Models:
RX/RXP199i, RX180i, RX/RXP160i, RX130i, CX/CXP199i, CX/CXP160i
RU199i/e, RU180i/e, RU160i/e, RU130i/e, RUR199i/e, RUR160i/e, RSC199i/e, RSC160i/e,
CU199i/e, CU160i/e, RE199i/e, RE180i/e
RL94i/e, RL75i/e, RUC80i, RUC90i, RUC98i, RU80e, RU90e, RU98e, RUR98i/e, C199i/e,
RUCS65i, RUCS75i, RUS65e, RUS75e
Rinnai Boiler Models:
i060C, i090C, i120C, i060S, i090S, i120S, i150S
Additional Instructions for All Models After Installation
The product model number is located on the rating plate on the side of the unit. Use the table above to identify the
appropriate page number for the instructions specific to your model number.
The REU-OPU3 is a normally Open (NO) or Normally Closed (NC) switch. This switch connects to the PC Board in the
Rinnai Tankless Water Heater or Boiler to act as:
•
Domestic priority control for combination domestic hot water / hydronic air handler applications.
•
Maintenance indicator to work in conjunction with a Building Management System (BMS) to provide system
monitoring.
Switch Rating: 24 Volts (AC or DC), 1 Amp. Systems requiring loads greater than this should be configured via an
external relay.
Before installation, please make sure all parts are located inside the product box.
Item Description
1 S-BMS/Air Handler switch
2 Accessory Cable
3 Mounting Screw
4 Crimp Connectors
5 Alternate Cable

Philips Head Screwdriver (for removal of water heater or boiler front cover)

Double Sided Tape (for boiler models)

Smart Device such as Smartphone (for RX/RXP/CX/CXP models)
Qty
1
1
1
1
3
1
2
3
5
070 00012 37967 8
Page Number
2-3
4-5
6-7
8-9
10-14
4