Rinnai Circ-Logic RU98i User Manual

3 Rinnai Circ-Logic™ with Grundfos Kit
Disclaimers:
• Pump must be installed in accordance with Rinnai installaon instrucons when Circ-Logic™ is used.
• This document is intended to be used as a guide only and not as a replacement for a professionally engi-
neered project. The contractor/engineer must determine the necessary components for and conguraon
of the parcular system being installed. This guide does not imply compliance with local or naonal building
codes. It is the engineer’s or contractor’s responsibility to ensure the installaon is in accordance with all
local building codes. The water heater and the plumbing system should be installed in accordance with local
codes and with Rinnai installaon manual.
Kit Contents
The GTK15 Kit contains the following:
• Grundfos 15-55 pump with mer and internal check valve
• 6' electrical cord
• 6' BX conduit pre-wired to pump
• (5) wire nuts
• Flange kit
• Rinnai Circ-Logic™ Manual

Rinnai Circ-Logic RU98i Specifications

General

Category	Tankless Water Heater
Model	RU98i
Gas Type	Natural Gas or Propane
Energy Factor	0.95
Maximum Flow Rate	9.8 GPM
Minimum Flow Rate	0.26 GPM
Activation Flow Rate	0.4 GPM
Circ-Logic	Yes
Heat Exchanger	Stainless Steel
Maximum BTU Input	199, 000 BTU
Minimum BTU Input	15, 000 BTU/h
Temperature Range	98°F - 185°F
Vent Length	Up to 65 feet
Electrical Requirements	120V AC
Ignition System	Electronic
Warranty	12-year on heat exchanger, 5-year on parts, 1-year on labor