Velocity PHANTOM II - Page 84

84
PHTM II
Installation, Operating & Service Instructions
110331-01 - 5/20
20 Internal Wiring Diagrams (continued)
Combustion Air
Blower
5 RD
6 WH
1
2
4
5
3
2
1
7 BK
8 BL
Boiler
Flow
Switch
Direction
of flow
3
BL
1
BR
3
1
Air
Proving
Switch
NO
C1
12
Thermal Fuse
1 2 3 4 5 6 7 9
8
120 VAC Connections PCB
P1
P1
1
2
3
4 5 6 7
98
GND
L2
L1
Power
Supply
120/60/1
Overcurrent
Protection/
Disconnect
Service
Switch
(optional)
Items supplied by Installer
Boiler
Pump
System
Pump
Auxilliary
Pump
GND Screw
(bottom panel)
3
1
2
RD BK BK
YE
WH WH
GND Screw
(bottom panel)
L N L N L N L N
120V
Line
Boiler
Pump
System
Pump
Aux
Pump
R
Heat
T'stat
W C R W
Aux
T'stat
Ext.
Limit
+ -
0-10V
4-20mA
Header
Sensor
Outdoor
Sensor
P2
24 VAC
LWCO
1 2
3
4
5 6
7
9
8 10
1
2
3 4
GY
Optional 24V LWCO
(Remove Jumper if used)
P2
P/G
P/G
PI
Y/G
OR
10 9 8
7
6
12
3
4
5
YE
GY
YE
GY
BL
Remove Jumper to
connect External Limit
Low Voltage Connections PCB
1
3
2
Three-Way
Valve
9 BK
11 BL
10 BR
14 GR
13 WH
12 BK
13 WH
12 BK
15 GR
5 WH
7 BK
4 WH
8 YE
6 RD
3 BK
36 BL
27 GY
37 GY
37 GY
29 PI
30 P/G
31 YE
32 P/G
33 Y/G
34 OR
35 YE
28 GY
14 B/G
13 BL
10 GY
9b GY
16 GR
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