6 of 12
Product
Instructions
PI-PR 566440 1017 (Programmable Heat-Cool Thermostat)
Viega LLC, 12303 Airport Way, Ste. 395 • Broomfield, CO 80021 • Ph: 800-976-9819 • Fax: 800-976-9817
Connecting
Viega
thermostats
to 2 wire
powerheads
Connecting Viega thermostats
to 4 wire powerheads
4 powerheads may
be connected to
each thermostat
4
powerheads
may be
connected
to each
thermostat
ZONE CONTROL (18060, 18062)
WITH OPTIONAL PRIORITY
OFF
ON
ZONE 4 PRIORITY
ZONE 1
ZONE 2
ZONE 3
ZONE 4
ZONE 4 RELAY
N/O
N/C
COM
PUMP
END
SWITCH
ISOLATED
END
SWITCH
ZONE 1
ZONE 2
ZONE 3
ZONE 4
FUSE
(5 AMP MAX)
POWER IN
W C
R
W C
R
W C
R
W C
R
1 2 3 4
120 V AC
Power Supply
L
N
Viega
Viega
Viega
Yellow
Yellow
Red
Red
Yellow
Yellow
Red
Red
Viega
Yellow
Yellow
Red
Red
R
C
C C R W
NTC A/B
Thermostat -18050
POWERHEAD (15061, 15070)
FOR USE WITH
STAINLESS MANIFOLD
2 WIRE, 24 V,
POWERHEAD (15064, 15069)
FOR USE WITH
STAINLESS MANIFOLD
4 WIRE, 24 V,
JUMPER
3&4
JUMPER
3&4
IF PRIORITY
IS USED
1 2 3 4
1 2 3 4
1 2 3 4
C
O
B
W
RH
RC
G
Y
Thermostat -15116
C
O
B
W
RH
RC
G
Y
Thermostat -15117
C
O
B
W/E
RH
G
Y
Thermostat -15118
W2
Y2
RC
Connecting Viega thermostats
to the Viega zone control
Part Numbers:
15116, 15117 and 15118
1. Connect the "RC" terminal
from the thermostat to "R"
terminal on the zone control
2. Connect the "W" terminal from
the thermostat to "W" terminal
on the zone control, for part
number 15118 connect "W/E"
terminal from the thermostat
to "W" terminal on the zone
control
3. Connect the "C" terminal from
the thermostat to the "C"
terminal on the zone control
Line Voltage
Low Voltage
LEGEND: Thermostat
Line Voltage
Low Voltage
LEGEND: Thermostat
Line Voltage
Low Voltage
LEGEND: Thermostat
Class II
Transformer
C
R
120 V AC
Power Supply
N
L
C
O
B
W
RH
RC
G
Y
Thermostat -15117
Viega
Viega
Class II
Transformer
C
R
120 V AC
Power Supply
N
L
Viega
Red
Red
Yellow
Yellow
TO T-T BOILER CONTACT, PUMP
RELAY OR OTHER AUXILIARY
DEVICE REQUIRING CONTACT
CLOSURE. SEE NOTE 2.
C
O
B
W
RH
RC
G
Y
Thermostat -15117
