12 of 24
© 2006
D 410 - 01/06
5
6
115 V (ac)
L
N
Power
L
N
1
3
2
5
4
7
8
9
10
11
13
12
14
15
16
6
24 VAC TO 230 VAC
SUPPLY
120 VAC SUPPLY
PRIMARY
CIRCULATOR
PAVILION
410 BOILER
CONTROL
DHW
CIRCULATOR
BOILER
CIRCULATOR
UNOCCUPIED
SWITCH
SUPPLY
SENSOR
P125 CONTROL BOARD
LT BLUE
10 PIN WIRING BLOCK
20 PIN WIRING BLOCK
L
N
R or L
C or N
PINK
x8
x4
OUTDOOR
SENSOR
ROOM
T’STAT
DHW
TEMP SW
BOIL
DEM
DHW
DEM
L
P1
DHW PUMP/
VALVE
BOIL
MOD
(+)
MOD
(-)
P2
BOIL
OUT
N
COM
DEM
STEP FOUR
ELECTRICAL CONNECTIONS TO THE CONTROL
General
The installer should test to confirm that no voltage is present at any of the wires. Push the control into the base and slide it down
until it snaps firmly into place.
Powered Input Connections
115 V (ac) Power
Connect the 115 V (ac) power supply to the
Power L
and
Power N
terminals (5 and 6).
This connection provides power to the microprocessor and display of the control.
As well, this connection provides power to the
Prim P1
terminal (4) from the
Power
L
terminal (5).
Note
: Refer to the Pinnacle boiler manual for control board parameter changes.
