System Design Drawings

AB 11.16.2018
RS 12.15.2018
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.
THIRD ANGLE PROJECTION
D
C
B
A
A
B
C
D
1
2
3
4
5
6
7
8
8
7
6 5
4
3
2
1
PROHIBITED.
WH-2-CL
MACHINED X.XXX =
SHEET 1 OF 1
0.005
RINNAI AMERICA CORPORATION
Systems Design Manual
103 INTERNATIONAL DRIVE
PEACHTREE CITY, GA 30269
12.15.2018
1-800-621-9419
SH
Angle =
UNLESS OTHERWISE SPECIFIED:
INTERPRET GEOMETRIC
SCALE: NTS
DO NOT SCALE DRAWING
WEIGHT:
0.010
TOLERANCING PER:
MATERIAL
FINISH
DRAWN
CHECKED
ENG APPR.
COMMENTS:
DATENAME
TITLE:
SIZE
B
DWG. NO.
REV
TOLERANCES:
Sheet Metal X.XX = 0.030
X.XXX = 0.010
Fraction = 1/32
Angle = 1.0
THE INFORMATION CONTAINED IN
THIS DRAWING IS THE SOLE
PROPERTY OF RINNAI AMERICA. ANY
REPRODUCTIONIN PART OR AS A
WHOLE WITHOUT THE WRITTEN
PERMISSION OF RINNAI AMERICA IS
PROPRIETARY AND CONFIDENTIAL
Controller or EZConnect™ Cable.
PVA
Hot Water Supply
Non-Condensing Tankless
Connection
Rinnai Circ Logic
Recommended
3/4" Return Line Minimum
Two Unit Circ Logic
Cold Water Supply
Note:
Reference Rinnai Circ-Logic Guide for Rinnai Circ-
Logic description and installation instructions
Pump should be sized to maintain circulation loop
temperature.
Pump should be sized to overcome the pressure
loss through the tankless water heater, supply, and
return plumbing. Reference the Rinnai Hot Water
System Design Manualfor pump sizing guidelines.
Pump should be of bronze or stainless construction.
PVA to remain at factory default setting. Circulation
unit should not be connected electronically to MSB
Applies to HE+ Models
Gas Supply
B
uilding Outlets