Weil-McLain PLUS-E017-A/1206 manual Multiple water heater applications, Steam boiler applications

Manual • Installation • Start-Up • Usage • Maintenance • Parts

Contents continued
PLUS 100/110/119
Figure 25	41
Multiple water heater applications
Multiple water heaters – water heater piping — Figures 26/27	42
Boiler water piping for multiple water heaters — Figure 28	43
Steam boiler applications
Connecting water heater to steam boiler	44
Installation and start-up of water heaters connected to steam boilers	44
Steam boiler application piping and wiring (Figure 29)	45

D.Boiler-side wiring & controls (except gas)..... 46

Wiring requirements	47
Wiring requirements — Circulators	47
Wiring requirements — Zone Valves	47
Boiler models requiring domestic priority with GOLD Plus 30	47
Zoning with pumps:

Zoning with Weil-McLain circulator zone controller (WMCR)

• Weil-McLain circulator zone controller (Figure 30)		48
Other options for for zoning with pumps
• Using priority zone pump (Figure 31)		49
• Using pump relays	• Domestic priority with priority relay (Figure 32)	50
• Using pump relays	• No domestic priority (Figure 33)	51
• Pump relays • Priority with 3-way valve & priority relay (Figure 42)		60
Zoning with zone valves:

Zoning with Weil-McLain zone valve controller (WMZV)

• Domestic priority optional (controller switch) (Figure 34)			52
Zoning with 4-wire zone valves
• No domestic priority (Figure 35)			53
• With or without domestic priority		• Models 30/40/60/80 (Figure 37)	55
• With domestic priority	• PLUS 100/110/119 (Figure 39)		57
• With priority using 2-way priority valve • PLUS 100/110/119 (Figure 40)			58
Zoning with 3-wire zone valves
• No domestic priority (Figure 36)			54
• With or without domestic priority		• Models 30/40/60/80 (Figure 38)	56
• With domestic priority	• PLUS 100/110/119 (Figure 39)		57
• With domestic priority using 2-way priority valve (Figure 41)			59
E. Replacement parts	.........................................................................................		61
GOLD Plus 30/40/60/80 or	PLUS 40/60/80		62-63
PLUS 100/110/119			64-65

F.Water heater dimensions & performance ratings

Dimensions	66
Performance ratings	67
Warranty	68

Part Number PLUS-E017-A/1206