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22 Boiler Applications Manual 800000026 Rev B
A
4
B
3
C
D
4
2
SCALE
SIZE
DATE
1
SHEET
DWG NO.
REV
A
2 1
D
Approved By
NTS
BA
12/09/09
EL
Q Series Boiler
Single Zone Circuit with Priority DHW
This drawing is the exclusive
property of Rinnai America
Corporation, it may not be
reproduced or given to third
parties.
1 of 1
Rinnai America Corporation
103 International Drive
Peachtree City, GA 30269
1-800-621-9419
Drawn By
JG
Tolerance
Fraction =±
1/16"
x.x=±0.030
x.xx=±0.015
x.xxx=±0.005
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 theengineer or contractor to ensure that the installation is
in accordance with all local building codes. Confer with local building
officials before installation.
3
B
C
53H
4
N/O
4
N/C
6
N/O
N
N/C
6
120 VAC
INPUT
TT
COM
WR
24
VAC
53H
4
N/O
4
N/C
6
N/O
N
N/C
6
120 VAC
INPUT
TT
COM
WR
24
VAC
T stat
120V
DHW
Pump
Zone
Pump
DHW
Pump
Relay
Heating
Pump
Relay*
*May substitute for multi
zone relay
120V
Low voltage
Q boiler
Single Zone Circuit with Priority DHW
Note: See piping
diagram Single Zone
Priority DHW
Aquastat
For
DHW
21 22 23 24 26 2725
B
1 2 3 4 6 75 8 9 10 12 1311
N L LN N L N CH
DH
W
L
14 15 16 17 19 2018
N A
120V
Power supply
120V
External pump
120V
External
controller
120V
Cylinder connection
Three way valve
DHW
sensor
Outside
Sensor
Bus
Controller
Room
Therm.
On/Off
External
Safety
contact
24V~
100mA
QED-09-0001