Rinnai Circ-Logic User Manual

Rinnai Circ-Logic with Grundfos GTK03 Kit 14
This is not an engineering drawing; it is intended only as a guide and not as a replacement for professional
engineering project drawings. This drawing is not intended to describe a complete system. It is up to the contractor
or engineer to determine the necessary components and configuration of the particular system to be installed. The
drawing does not imply compliance with local building code requirements. It is the responsibility of the engineer or
contractor to ensure that the installation is in accordance with all local building codes. Confer with local building
officials before installation.
Cold Water Supply
Gas Supply
Hot Water Outlets
Circulating Unit Non-Circulating Unit
Condensate Drain Line
For this application:
• Reference Rinnai Circ-Logic Guide for Rinnai Circ-Logic description, sizing and installation
instructions.
• Pump should be of bronze or stainless steel construction.
• PVA to remain at factory default setting. Circulation unit should not be connected electronically to
MSB Controller or EZConnect™ Cable.
3/4 in. Return Line Recommended
(Optional) Header Sized One Pipe Size
Larger Than Hot Water Supply Line
Figure 7
Expansion
Tank
PVA
Check Valve
Expansion Tank
GTK03U
Pump

Rinnai Circ-Logic Specifications

General

Brand	Rinnai
Model	Circ-Logic
Category	Heat Pump
Language	English