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21 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
AA
12/09/09
EL
Q Series Boiler
2 boilers with DHW indirect tank
Thisdrawing isthe exclusive
property of Rinnai America
Corporation, it may not be
reproduced or given to third
parties.
1of1
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 areplacement forprofessional engineering project drawings. This
drawing is not intended to describe a complete system. It is up to the
contractor orengineer to determine the necessary componentsand
configuration of the particular system to be installed. The drawing does
not implycompliance withlocal building coderequirements. Itis the
responsibility of the engineer or contractor toensure that the installation is
in accordance with all local building codes. Confer with local building
officials beforeinstallation.
3
B
C
120V
Low voltage
QSeriesboilers
2 boilers with DHW indirect tank
1 2 3 4 5 6 910 11121314 15161718
19
20 21 22
262
Donotapplypower
tN1/
tN2
Com 10K UnO
Sw
Com OutBoilDHW
10A 10A
Stage Stage
1122
10A 10A
Power
NLP1
Boil DHW
Pmp/Vlv
Boiler
Demand Dem
Com
DHW
Dem
Setp
Dem
87
Boiler 2
Boiler 1
120V
Input
Heating
Circulator
DHW
Circulator
DHW
Sensor
Outdoor
Sensor
Outdoor
Sensor
120V
Input
Supply
Sensor
Outdoor
Sensor
N
L
Heat Demand From
Thermostat/zone control
N
L
Note:
See 2 boiler with DHW indirect
tank drawing
120V Relay
TPST
2
3
6
91
11
8
10
21 22 23
B
12 13
CH
DH
W
14 15 16 17 19 2018
N A
Cylinder connection
Three way valve
DHW
sensor
Outside
Sensor
Bus
Controller
Room
Therm.
On/Off
21 22 23
B
12 13
CH
DH
W
14 15 16 17 19 2018
N A
Cylinder connection
Three way valve
DHW
sensor
Outside
Sensor
Bus
Controller
Room
Therm.
On/Off
QEC-09-0001