Advanced User Guide

Part number 550-100-160/0715
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Zoning with the EVG Control
A. Zoning with CIRCULATORS, suggested applications
Multiple space heating zones — Optional DHW direct-piped to one or more boilers
1. Review wiring information on page 21 (120 VAC out-
puts) and page 22 (24 VAC inputs).
2. The configuration at right uses the three input/output
pairs of each boiler to receive thermostat (or DHW
aquastat) inputs on P11-4/5, P15-1/2, and P15-3/4;
and circulator outputs on P2 as shown.
3. Assign as many available input/output pairs in the
network as needed for zoning.
4. Individual boilers can be configured to operate direct-
piped DHW loads as shown at right. Individual boilers
can also be used for other direct-piped loads.
5. Setting the controls for network space heating zones:
a. Recommended — assign the space heating input/
outputs to NETWORK PRIORITY 2. The factory set-
tings default to space heating, reducing the changes
needed to set up the controls.
b. Choose the space heating system type that matches
the heating system during the WIZARD setup or
manually in the NETWORK PRIORITY 2 menu.
c. Use the factory default settings for the system type
chosen, or change if needed.
6. Setting the controls for individual boiler DHW loads:
a. Assign the input/output connected to the DHW
loop to LOCAL PRIORITY 1, which defaults to
settings for DHW.
b. Verify that settings are acceptable. Change if
needed.
7. Factory defaults should work for most other settings
not listed above.
CONDENSING GAS BOILER — Advanced Manual
™