Weil-McLain EVERGREEN PRO EVG-299 User Manual

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Part number 550-100-211/0122

– 69 –

220 /29 9/3 00 /39 9 

 A (continued)

1 Evergreen boiler.

2 Indirect water heater, if

used (domestic water

piping not shown) —

MUST be direct piped

to boiler to use default

control settings.

Relief valve, supplied

with boiler, eld piped

— MUST be piped to

boiler supply connection

— see Figure6,page11

for information.

4 Relief valve pip-

ing to drain.

5 DHW circulator.

6 Isolation valves.

8 Expansion tank.

9 Air separator.

10 Flow/check or spring

check valves.

11 Purge/drain valves.

Boiler circula-

tor, supplied with

boiler, eld piped.

14 Unions as needed

for service.

15 Return tempera-

ture sensor.

16 Supply tempera-

ture sensor.

20 Make-up water supply.

24 Zone circulators.

Boiler drain

valve, supplied with

boiler, eld piped.

Pressure/temperature

gauge, supplied with

boiler, eld piped.

31 Outdoor sensor.

32 Low water cut-o.

33 120VAC power to

boiler — see page53.

35 EVG Control module.

= Items supplied with

boiler — all other items

supplied by installer.

Multi-zoneSPACE H EATING(Circulatorswithcirculatorrelays)|DHW

(Direct-piped)

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Weil-McLain EVERGREEN PRO EVG-299 Gas Boiler Evergreen High Efficiency Gas Boiler

User Manual - Page 69