WIRING DIAGRAM
500 (DAMPER DEFROST)
MICRO PROCESSOR BOARD
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| P4 |
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| TO DISABLE | P2 |
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RECIRCULATION |
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| INTERNAL | ||
| REMOVE SEL2 |
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| SEL2 |
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| DEHUMIDISTAT |
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| P5 |
| YEL |
| REMOVE SEL1 |
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| GRN | |
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| ORN | |
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| T1 | N/C | RED |
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| DRY | T2 | COMMON | BLK |
| CONTACT |
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| T6 | N/O | CONTROLAIR 15 |
WARNING |
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| SEE | 120V | |
P1 |
| DEFROST | |||
750 ma |
| POWER SUPPLY | |||
| DETAIL | ||||
MAX FUSE |
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| CORD | ||
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| DOOR SWITCH |
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| LINE | T7 |
| BLK |
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| T8 |
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| CHASSIS | T15 |
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| P3 |
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| TRANS | |
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| FORMER |
| P6 |
| T9 |
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2 |
| NEUTRAL | T10 |
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T5 | GROUND | T11 | WHITE |
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T4 | T12 | WHITE | GRN | ||
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T3 |
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| FAN O/P | T13 | BLACK |
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| T14 | BLACK |
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Note:
All control connections are labeled by colour. Connect to corresponding colour with low voltage wire ( 20 gauge minimum).
A dry contact closure between red & black will initiate high speed override.
FAN MOTOR DETAILS
| T13 | |
T11 | BLK | |
GRN | ||
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WHITE
ORG | YEL |
CAPACITOR
FAN MOTOR
SEE MOTOR DETAIL
ORG
CAPACITOR
T14
T12
WHITE
YEL
BLK
GRN
LEGEND
HIGH VOLTAGE
12V LOW VOLTAGE
FIELD INSTALLED 12V LOW VOLTAGE
IMPORTANT: Control Low Voltage is 12VAC
DO NOT CONNECT EXTERNAL POWER SOURCES TO UNIT
Note:
If any of the original wire as supplied with the unit must be replaced, use only TEW certified wire
FAN MOTOR
DEFROST DETAILS
AUTO-TRANSFORMER DETAIL
PLUG IN CONNECTOR
24VAC |
transformer |
BLACK
T 7
| P5 |
4 | 1 |
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| WIRE CONNECTOR |
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CCW | RED | WHITE |
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WHITE |
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CWCOM |
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YELLOW | 120V RELAY | WHITE | |
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| COM |
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BLACK
T 10
5 | 2 | AUTO |
6 | 3 | TRANSFORMER |
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| P6 |
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DAMPER MOTOR | 4 3 |
24VAC WIRING | P1 |
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N/C N/O | 2 1 |
PCB PLUG - IN
DAMPER DEFROST
PIN 1 - SPARE PIN 2 - BLACK PIN 3 - WHITE PIN 4 - SPARE
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| P5 |
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| P6 |
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| PIN 1 | - BLUE | PIN 4 | - RED |
| PIN 1 - GREEN |
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| PIN 2 | - YELLOW | PIN 5 | - WHITE |
| PIN 2 - GREEN |
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| PIN 3 | - BROWN | PIN 6 | - BLACK |
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27
