2
TABLE OF CONTENTS
Important Safety Information .................................................................................... 3
Labor Saving Piping Manifolds / Near Boiler Piping Connections
................................ 4
General Information - Hydronic Piping
....................................................................... 6
General Information - wiring
...................................................................................... 8
Piping and Wiring Diagrams
Piping Legend
............................................................................................................. 9
100F, 125F w/Zone circulators & DHW Tank- piping diagram
.........................................10
100F, 125F W/Indirect Zone circulators, DHW tank w/Sensor - Wiring Diagram................11
100F, 125F w/Indirect Zone circulators & DHW Tank w/t-stat - WIRING Diagram
.............12
100F, 125F with Zone Valves & DHW Tank - PIPING Diagram
.........................................13
100F, 125F with Zone Valves, DHW Tank W/Sensor - Wiring Diagram
.............................14
100F, 125F zone valves, DHW tank w/t-stat - wiring Diagram
........................................15
165F with Zone Circulators - PIPING Diagram
.............................................................16
165F indirect Zone Circulators, DHW Tank w/ T-Stat - Wiring Diagram
............................17
165F with zone Valves - PIPING Diagram
....................................................................18
165F with Indirect Zone Valves, DHW Tank, Tank T-Stat - Wiring Diagram.......................19
115F, 150F & 205F with zone circulators - PIPING Diagram
...........................................20
115F, 150F & 205F with zone Circulators - Wiring Diagram
...........................................21
115F, 150F & 205F with Zone Valves - PIPING Diagram
...............................................22
115F, 150F & 205F with Zone Valves - Wiring Diagram
................................................23
..................................................................24
...................................................................26
Optional Equipment
.................................................................................................. 29
.............................................................29
..............................................................................29
Accessories
.............................................................................................................. 30
Outdoor Temperature Sensor
.................................................................................... 30
Indirect Storage Tank & Thermostat
..........................................................................31
Wiring Diagrams
Single Zone Circulator Wiring Using ARGO AR822-II
....................................................32
100 - Heat Only Wiring Diagram
...............................................................................33
125 - Heat Only Wiring Diagram
...............................................................................34
165 - Heat Only Wiring Diagram
...............................................................................35
115 - combi Wiring Diagram
....................................................................................36
150 - combi Wiring Diagram
....................................................................................37
205 - combi Wiring Diagram
....................................................................................38
Altitude Eects On Boiler Performance
..................................................................... 39
Application Table - Indirect Hot Water Tank Sizing
.................................................. 40
LWCO Wiring Diagram
.............................................................................................. 41
Piping Diagram - LWCO Location
.............................................................................. 42
Low Water Cuto - Detail
......................................................................................... 43
Error Code Table
....................................................................................................... 44
Troubleshooting Chart
.............................................................................................. 45
Fault Solution Sections
............................................................................................. 47
PARAMETER CHANGE HISTORY................................................................................. 51
PN 240012875 REV. B [07/01/2021]
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