Viega Basic Heating Control Installation Manual page 28

Product Instructions
Zone Control
Wiring Thermostats
1. Connect the "R" terminal of the thermostat
to the "R" terminal of the Zone Control. "R"
supplies power to the thermostat.
2. Connect the "W" terminal of the thermostat to
the "W" terminal of the Zone Control. "W" is
the switching signal.
3. Connect the "C" terminal of the thermostat to
the "C" terminal of the Zone Control. "C" is
common.
(See diagram to right)
Wiring Powerheads
1. Connect the black wire of the powerhead to
the "Y1" terminal of the Zone Control.
2. Connect the white wire of the powerhead to
the "Y2" terminal of the Zone Control.
3. Connect a jumper from the "R1" terminal to
"R2" terminal of the Zone Control.
(See diagram to right)
Priority Operation
Switching the DIP switch to Priority "ON" will
cause all other zones to stop operation until the
prioritized zone is satisfied. When Priority is "OFF"
all zones work independently.
Warning
Wiring connections must be made in accordance
with all applicable electrical codes. Use copper
wire only with a minimum temperature rating of
60/75°C. Failure to follow this instruction can
result in personal injury or death and / or property
damage. 12 - 18 gauge wire recommended for 120
VAC connections, 14 - 22 gauge wire for 24 VAC
connections.
301 N. Main, 9th Floor • Wichita, KS 67202 • Ph: 877-843-4262 • Fax: 800-976-9817 • E-Mail: service@viega.com • www.viega.com
PI-PR-18060 (Zone Control) xxxxxx 0209
Viega... The global leader in plumbing and heating systems.
Digital Thermostat
C C R W
R W C
WHITE
120 VAC
24 VAC
INPUT
BLACK
WHITE
120 VAC
24 VAC
INPUT
BLACK
Y1 Y2 R1 R2
T
BOILER
T
4 & 6 Zone Control
Powerheads
MAIN EXTRA
N/O COM N/C
END END
SWITCH
SWITCH
SYSTEM CIRCULATOR
DHW CIRCULATOR
120 VAC
Plant ID No.9300-2856 Rev
NEUTRAL
HOT
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