33
If any of the original wire as supplied with this appliance must be replaced, it must be replaced with type 150°C
Thermoplastic wire or its equivalent
W
BK
120 VA
C
VA
C
1
W
BK
CN7
R
R
CN1
CN3
120V
AC
1
2
3
CN4
1
2
3
4
1
2
3
1
2
3
4
3
2
1
4
7
5
8
6
9
1
2
CH2
2
1
1
3
5
4
Y
Y
Y
Y
G
2
1
MV
3
CN9
MV
2
Y
Y
V
V
BR
BR
PUR
BK
BK
W
W
PUR
PUR
PUR
2
1
W
R
*
CASTING
TEMPERA
TURE SAFETY
SWITCH
(MANUAL
RESET)
1013-10 INTEGRA
TED BOILER CONTROL
24V
THERMOST
AT
CN6 CONTROL
PURGE
POWER
VAL
VE/FLAME
IGNITER
DIAGNOSTIC
R R R G
120
VA
C
60 HZ 1Ø
DRAFT
INDUCER
CIRCULA
TOR
CN5 CIRCULA
TOR
DRAFT
INDUCER CN10
CONTROL TRANSFORMER AT14081297
HOT
SURF
ACE
IGNITER
IGNITER CN12
IGNITER
COLOR DESIGNA
TION
W = WHITE BK = BLACK Y =
YELLOW
G = GREEN R = RED V = VIOLET BR = BROWN PUR =PUPPLE
24 VOL
T WIRING
24 VOL
T FIELD WIRING
120 VOL
T WIRING
120 VOL
T FIELD WIRING
INDUCER
GAS VAL
VE
BLOWER
TEMPERA
TURE
SAFETY
SWITCH
DIFFERRENTIAL
AIR
PRESSURE SWITCH (N.O.)
HI LIMIT AQUAST
AT
CONTROL
24 V
AC
TRANSFORMER
HO
T
NEUTR
AL
GRIUND
TRANSFORMER PRIMAR
Y
1
POWER SUPPL
Y. PROVIDE DISCONNECT
MEANS
AND OVERLODE PROTECTION
AS REQUIRED
USE ONL
Y COPPER WIRE BETWEEN
DISCONNECT
AND
THE UNIT
.
NOTE: "CN" LABEL
REFERENCE
LOCA
TION OF CONNECT
OR PLUG
BETWEEN SCHEMA
TIC
AND LADDER
DIAGRAM.
24
PUMP
INDICA
TOR LIGHTS
ELECTRICAL WIRING
Figure 14 - D - Schematic Wiring Diagram
Summary of Contents for UB90-100
Page 15: ...15 Near Boiler Piping Figure 2 Single Zone Boiler Piping ...
Page 16: ...16 Figure 3 Multi zone Boiler Piping With Zone Valves Near Boiler Piping ...
Page 19: ...19 Figure 6 Diaphragm Type Expansion Tank Piping Near Boiler Piping ...
Page 20: ...20 Figure 7 Conventional closed type Expansion Tank Piping Near Boiler Piping ...
Page 27: ...27 Combustion Air and Vent Pipe Figure 11 Combustion Air and Vent Piping ...
Page 32: ...32 Electrical Wiring Figure 13 Field Wiring Connections ...
Page 53: ...53 DETAILED SEQUENCE OF OPERATION ...
Page 57: ...57 TROUBLESHOOTING CHART 2 TROUBLESHOOTING ...
Page 58: ...58 TROUBLESHOOTING CHART 3 TROUBLESHOOTING ...