Johnson Controls
FIGURE 43:
Wiring Diagram - 96% Two-Stage ECM Furnace
SECTION
Unitary Products
Wiring Diagram
N.O.SW DOOR SWITCH
| POWER SUPPLY |
| DS |
NO C |
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| 1600/2000 CFM |
| MODELS ONLY |
PF | BLOWER |
MOTOR | |
| EAC |
| HUMIDIFIER |
GND
THE 40,000 INPUT FURNACE HAS ONLY ONE ROLLOUT SWITCH
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| YEL |
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| M |
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GAS VALVE |
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| WHT |
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C |
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BRN
| XFMR |
| EAC |
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| HUM |
L1 |
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EAC
HUM
NEUTRALS
1600/2000 CFM |
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MODELS ONLY |
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PF |
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| WHT |
DOOR N.O.SW |
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BLK | BLK | 115VAC LINE |
NO C |
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| WHT | 115VAC NEUT. |
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| 1 WHT |
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| 2 WHT | HS1 |
XII: WIRING
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| HIGH |
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| IDM |
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| HSI | LOW |
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| 115V | PRI | COM |
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| 1T (40VA) |
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| 24V SEC |
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R | R |
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W1 | W1 | PS1 | PS3 | LS |
| ROS1 | ROS2 |
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NO C | C NO |
| M | |||||
W | W |
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| PS2 | C | |||
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| 1ST STAGE | CONDENSATE |
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W2 | W2 |
| NO | C | HI | |||
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G | G |
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| 2ND STAGE | GAS VALVE | |||
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Y1 | Y1 | ROOM THERMOSTAT |
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Y2 | Y2 |
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| TO AIR CONDITIONER |
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Y | Y |
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| CONTROLS |
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C | C |
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COMMON T'STAT CONNECTION
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| HI BLK |
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| FURNACE CONTROL |
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| 5 | |
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| 4 |
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| PS2 |
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| 3 |
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| NO | C |
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| 2 |
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| ORN |
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| 1 |
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| BLK |
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| PS1 | LS | ROS1 |
| ROS2 | 1 | 4 | 7 | 10 |
NO | C | WHT C PS3 NO RED | RED/BLK | RED | RED/WHT | 2 | 5 | 8 | 11 |
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| 3 | 6 | 9 | 12 |
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| RED/GRN |
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| P9/S9 |
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| FLAME SENSOR |
| PRP |
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GND |
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| ORG/BLK |
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| Y/Y2 |
| DHUM | ||
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| Y1 W1 W2 R | G | C O |
| X/L |
GRY |
| P3/S3 |
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WHT |
| 1 | WHT |
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RED |
| RED | IDM | GRN | |
BRN |
| 2 | BLK | GND | |
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GRY |
| 3 |
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WHT |
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| BRN |
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| GND |
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| BLK | |
| 24V SEC |
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BLU | LOAD |
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| BLOWER | GRN |
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| MOTOR | WHT |
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| 115V PRI |
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| BRN |
| LINE | BLK |
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GND |
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| (8) BLK |
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| (16) YEL/BLK |
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| (7) PRP |
| (15) GRN |
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| (6) YEL |
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| (14) YEL |
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| (5) WHT |
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| (13) WHT |
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| (4) RED |
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| (12) RED |
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| (3) BLK |
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| (11) BRN |
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| (2) WHT |
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| (10) BLK |
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| (1) BLK |
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| (9) ORG |
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DIAGRAM
39
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| Legend |
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| Legende |
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DS - | Door Switch | IDM - | Inducer motor | LS - | Limit switch | DS - | Commutateur de porte | IDM - | D'induct moteur | LS - | Commutateur de limite |
ROS - | Rollout switch | EAC - | Electronic air cleaner | HUM - | Humidifier | ROS - | Commutateur de roulement | EAC - | Filtre electrique | HUM - | Humidificateur |
XFMR - Transformer |
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| XFMR |
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HSI - | Hot surface ignitor |
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| HSI - | Ignition de surface chaud |
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PF - | Power factor choke |
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| PF - | Transformeur de facteur de puissance |
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PS1 - | Pressure switch, 1st stage |
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| PS1 - | Commutateur de pression, premier stage |
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PS2 - | Pressure switch, 2nd stage |
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| PS2 - | Commutateur de pression, deuxieme stage |
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PS3 - | Pressure switch, condensate |
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| PS3 - | Commutateur de pression, condensation |
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1. If any of the original wire as supplied with the furnace must be replaced, it must | 1. Si l'un des fils d'origine fourni avec ce four doit filage doit être remplacé, il doit être | ||||||||||
be replaced with wiring material having a temperature rating of at least | remplacé avec le fil ayant un degré de température d'au moins |
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221 degrees F (105 degrees C ). |
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| 221 degrés F (105 degrés C ). |
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