Weil-McLain PLUS LINE PLUS-E017-A/1206 - Manual (Page 4)

Part Number PLUS-E017-A/1206
PLUS LINE
Indirect-Fired Water Heaters – Series 3
Balancing .................................................................................................................... 22
Components required ................................................................................................ 22
Connecting to the water heater ................................................................................. 22
B.
GAs
-
fired Boiler ApplicAtions .............................................. 24
B1. Install system water piping
(space heating)
System water piping methods ................................................................................... 25
Boiler circulator .......................................................................................................... 25
Sizing space heating system piping .......................................................................... 25
Zoning with zone valves............................................................................................. 26
Zoning with circulators ............................................................................................... 27
B2. Install boiler-to-water heater piping
Combined space heating/water heating applications ............................................... 28
Dedicated water heating-only applications ............................................................... 28
B3. Field wiring — Gas-fired boilers only
Installation must comply with:................................................................................... 30
Line voltage connections ........................................................................................... 30
Wiring boiler circulator ............................................................................................... 30
Wiring water heater circulator ................................................................................... 30
Wiring a system circulator ......................................................................................... 31
Routing line voltage wiring ........................................................................................ 31
Low voltage connections ........................................................................................... 31
Room thermostat (space heating) ............................................................................. 31
Outdoor temperature sensor ..................................................................................... 31
Water heater thermostat ............................................................................................ 31
Additional limits .......................................................................................................... 31
B4. Start-up — Gas-fired boilers only
Follow boiler manual .................................................................................................. 33
Set space heating operation ...................................................................................... 33
Water heater operation .............................................................................................. 33
Water heater operation setup .................................................................................... 33
Verify space heating operation .................................................................................. 33
Verify water heater operation .................................................................................... 34
Operating information ................................................................................................ 34
Replace boiler jacket front door ................................................................................. 34
c. B
oiler pipinG
(
except GAs
)
...................................................... 35
Zoning with pumps
GOLD Plus 30/40/60/80 or Plus 40/60/80
Two-pipe system piping — Figure 20........................................................................ 36
Primary/secondary piping — Figure 21 ..................................................................... 37
PLUS 100/110/119
Primary/secondary piping — Figure 22 ..................................................................... 38
Zoning with zone valves
Figure 23 (All water heater models) .......................................................................... 39
Dedicated boiler applications
GOLD Plus 30/40/60/80 or Plus 40/60/80
Figure 24 ..................................................................................................................... 40
Contents
continued
(continued on next page)