WIRING
If any of the original wire supplied with heater has to be replaced, it must be replaced with type 105 Degree C wire or its equivalent.
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
Verify proper operation after servicing.
WIRING DIAGRAM - BBT53 & BBT54
PRESSURE | BLACK |
|
|
| |
SWITCH | W H I T E |
|
|
| |
DRAFT | BLACK |
|
INDUCER | BLACK |
|
| RED |
|
| BLUE |
|
GAS |
|
|
VALVE |
|
|
LIMIT | WHITE | PURPLE |
SWITCH | WHITE |
|
|
| |
IGNITOR | GREEN | |
| BLACK |
|
ELECTRIC | GREEN |
|
POWER |
| THERMOSTAT |
SUPPLY |
| |
PSV
V1
L2
L2
V2
L1
IND
TH
24VAC
GND
MODULEIGNITION
BBT53,
BBT54
PICTORIAL
BBT53,
BBT54
LADDER
GAS VALVE
IGNITOR
DRAFT INDUCER
PRESSURE
SWITCH
115VAC
IGNITION MODULE
24 VAC
LIMIT SWITCH
THERMOSTAT
WIRING DIAGRAM - BBT103 & BBT104
PRESSURE | BLACK |
| |
|
| ||
SWITCH | WHITE |
| |
DRAFT |
| BLACK |
|
| BLACK |
| |
INDUCER |
|
| |
|
|
| |
|
| RED |
|
|
| BLUE |
|
GAS VALVE |
|
| |
LIMIT | LIMIT |
|
|
SWITCH | SWITCH | WHITE | PURPLE |
|
|
| |
IGNITOR | WHITE | GREEN | |
| |||
| BLACK |
| |
|
| GREEN |
|
ELECTRIC |
| THERMOSTAT | |
POWER |
| ||
SUPPLY
PSV
V1
L2
L2
V2
L1
IND
TH
24VAC
GND
IGNITION MODULE
BBT103,
BBT104
PICTORIAL
BBT103,
BBT104
LADDER
GAS VALVE
IGNITOR
DRAFT
INDUCER
PRESSURE
SWITCH
115VAC
IGNITION MODULE
24 VAC
LIMIT SWITCH
LIMIT SWITCH
THERMOSTAT
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