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VI
CTORY VSPH Models
16
PILOT
BURNERBURNER
MODEL UT-1107MODEL UT-1107
P5P5
P4P4
P1P1
P6P6
P2P2
P3P3
INTEGRATED BOILER CONTROLINTEGRATED BOILER CONTR OL
P6P6
THERMOSTATTHERMOSTAT
K4K4
MVMV
MV/PVMV/PV
PVPV
NEUTRALNEUTRAL
H
OTHOT
MM
120 V/60Hz120 V/60Hz
120VAC120VAC
24VAC24VAC
K5K5
K1K1
MM
CIRCULATORCIRCULATOR
BLOWER BLOWER
HIGHHIGH
LIMITLIMIT
PRESSUREPRESSURE
SWITCHSWITCH
ROLL-OUT
SWITCH SWITCH
450006007450006007
L1L1
11
L2L2
GNDGND
P6P6
44
P5P5
P4P4
11
55
P4P4
11
P5P5
P4P4
22
33
DISCONNECTDISCONNECT
SWITCHSWITCH
P1P1
33
P1P1
11
P2P2
22
P2P2
11
P6P6
33
P6P6
22
P3P3
99
CHASSIS
GNDGND
P3P3
77
P3P3
44
P3P3
66
P3P3
33
P3P3
11
P3P3
55
P3P3
22
NOTE:NOTE:
PXPX
INDICATES CONNECTOR'S TERMINAL ON BOILER CONTROLINDICATES CONNECTOR'S TERMINAL ON BOILER CONTR OL
K3K3
P3P3
88
Figure 13b. Boiler control
Figure 13c. Ladder wiring diagram
PRESSURE
SWITCH
R
OLL-OUT
SWITCH
CAUTION:
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE
APPLIIANCE MUST BE REPLACED, IT MUST BE REPLACED
WITH TYPE 105
∞COR ITS EQUIVALENT.
WIRE LEGEND:
FACTORY WIRED
FIELD WIRED, FIELD SUPPLIED
BLOWER
(INDUCER)
LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS.
PROPER OPERATION AFTER SERVICING".
1
C
IRCULATOR
MV
GND
VR8204A
1
J
UNCTION
BOX
DISCONNECT
SWITCH
120V/60Hz
AQUASTAT
RED
WHITE
BLACK
L
1-HOT
L2-NEUTRAL
1
2
M
BLACK
1
2
3
6
5
4
P
5
P4
BLACK
G/Y
1
2
3
4
1
2
3
P2
BLACK
WHITE
GREEN
PROVIDE DISCONNECT MEANS & OVERLOAD PROTECTION AS
R
EQUIRED.
120V/24V
TRANSFORMER
1
2
BLACK
WHITE
BROWN
PINK
1
2
3
4
5
6
7
8
9
PV
M
V/PV
L4080B
GAS VALVE
24V
T
HERMOSTAT
RED
BLUE
WHITE
RED
BLACK
YELLOW
YELLOW
P6
P3
P1
GREEN
WHITE
WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION.
"VERIFY
RED
Figure 13a. Schematic wiring diagram.