System Application Drawings
Com
Out
Boil
Com
UnO
Sw
N
L
22
11
N
Boil
Pmp
Power
StageStage
Setpoint
Demand
Boiler
Demand
Do not apply power
10A
10A
10A
5
17
1615
14
13
1211
10
98
7
6
4
321
120 V AC
S2
S1
Class 2 Transformer
24 V AC
RELAY
T1
T2
T3
Z3
Z2
Z1
**FIELD SUPPLIED ZONE CONTROLLER**
Relay = 24 V AC DPDT Electrical Relay
Z1, Z2, Z3 = Zone Cirulators
T1, T2, T3 = Thermostats(heat demand control)
S1 = Boiler Sensor
S2 = Outdoor Sensor
Two I-Series Solo Boilers
Heating Only: Three
Heating
Zones with
Zone Pumps
Boiler 1
Boiler 2
RELAY
RELAY
T/T1 Connection
T/T1 Connection
D
C
B
A
A
B
C
D
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
LAST REVISION COMMENTS
TOLERANCES:
Sheet Metal X.XX =
0.030
X.XXX =
0.010
Fraction =
1/32
Angle =
1.0
MACHINED X.XXX =
0.005
Angle =
0.010
INTERPRET GEOMETRIC
TOLERANCING PER:
MATERIAL
FINISH
DRAWN
CHECKED
ENG APPR.
MFG APPR.
Q.A.
COMMENTS:
DATE
NAME
TITLE:
SIZE
B
DWG. NO.
REV
SCALE: NTS
UNLESS OTHERWISE SPECIFIED:
05.29.2019
0
SHEET 1 OF 1
IW-2S-3ZP
DO NOT SCALE DRAWING
Rinnai America Corporation
103 International Drive
Peachtree City, GA 30269
1-800-621-9419
RINNAI AMERICA CORPORATION
103 INTERNATIONAL DRIVE
PEACHTREE CITY, GA 30269
1-800-621-9419
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
PROHIBITED.
THIRD ANGLE PROJECTION
PROPRIETARY AND CONFIDENTIAL
PP
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.
RS
05.29.2019
Page 25