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APPENDIX A — WIRING SCHEMATICS
CHILLER CONTROL SCHEMATIC
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| (SHIELD) |
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AUTO DEMAND LIMIT | EXT |
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| (RED) |
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(OPTIONAL) |
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| (BLK) |
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AUTO CHILLED WATER | EXT |
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| (CLR) |
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RESET (OPTIONAL) |
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| (CLR) |
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| (SHIELD) |
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| (BLK) |
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| OUTPUT |
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| + - + - + - | + |
| - | - + - + |
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| 3 | 2 | 1 | 4 | 3 | 2 | 1 |
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| 6 | 5 | 4 | 3 | 2 | 1 |
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| J5 |
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| J6 | J7 |
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| J8 |
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EVAP ENT |
| (RED) | 1 |
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WATER TEMP |
| (BLK) | 2 |
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| SWITCH POSITION |
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| (RED) | 3 |
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| O | 1 2 3 | SW "ON" = EXT |
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EVAP LVG |
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WATER TEMP |
| (BLK) | 4 |
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| SW "OFF" = EXT |
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COND ENT |
| (RED) | 5 |
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| SW2 | 1 "OFF" |
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WATER TEMP |
| (BLK) | 6 |
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| 2 "ON" |
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| (UPPER) |
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| 3 "ON" |
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COND LVG |
| (RED) |
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| J10 |
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WATER TEMP |
| (BLK) | 8 |
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| L1 |
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| 4 | 9 | J4 |
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G.V. POSITION |
| (CLR) |
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| L2 |
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8 | 7 |
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FEEDBACK | 10 |
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| (BLK) |
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| DIFFUSER ACTUATOR |
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| 10K |
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| (SHIELD) |
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| (RED) | 11 |
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| (BLK) |
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EVAP REFRIG |
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| (SHIELD) |
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| (WHT) |
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LIQUID TEMP |
| (BLK) | 12 |
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| 3 | (CLR) | COMMON |
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REMOTE TEMP |
| (WHT) | 13 |
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| J11 | 2 | (RED) | G.V. INCREASE |
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RESET |
| (BLK) | 14 |
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| G.V. DECREASE |
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(OPTIONAL) |
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| 1 | (BLK) |
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| L1 |
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| L2 |
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COMP'R |
| (RED) | 17 |
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| GUIDE VANE ACTUATOR |
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DISCH TEMP |
| (BLK) | 18 |
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| (RED) | ||
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| 1 | 19 |
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COMP'R THRUST |
| 2 | 20 |
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BRG TEMP |
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| CB2 |
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| (SPARE) |
| (LOWER) |
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| (RED) | 21 |
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| 6 | (BLK) |
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| VFD COOLANT |
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COMP'R OIL |
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| SOLENOID |
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SUMP TEMP |
| (BLK) | 22 |
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COMP'R |
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MOTOR TEMP |
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NOISE |
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| 2C |
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| COMP'R OIL PUMP |
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SUPPRESSOR |
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| (ORN) | 1C | (BRN) |
| COMP'R OIL HEATER |
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SPARE TEMP #1 |
| (WHT) | 25 |
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(OPTIONAL) |
| (BLK) | 26 |
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SPARE TEMP #2 |
| (WHT) | 27 |
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(OPTIONAL) |
| (BLK) | 28 |
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| - | (BLK) | 1 |
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| CCM |
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OIL SUMP |
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| (CLR) | 2 |
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PRESS |
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+ |
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| 100»f |
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| (RED) | 3 |
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| - | (BLK) | 4 |
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OIL PUMP |
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| (CLR) | 5 |
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DISCH PRESS |
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+ |
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| 100»f |
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| NOTE: GND SHIELDS AT THIS END ONLY | |||
| (RED) | 6 |
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| (BLK) | 7 |
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| (SHIELD) |
| (SHIELD) |
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LOAD RESISTOR |
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| - |
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| (RED) |
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RELATIVE | 4.3K | 9 |
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RMS | S |
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HUMIDITY |
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| ||||
+ | (RED) |
| J3 |
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| (CLR) |
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| G | (WHT) | CCN | |
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| ||||||
(WHT) |
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| (BLK) |
|
|
| - | (BLK) |
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| 10 |
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| SP |
| |
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| 11 |
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| ||
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| ALL SWITCHES SET |
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| |||
LOAD RESISTOR |
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| |||
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| 12 |
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| TO "OFF" POSITION |
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| (RED) |
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| 1 |
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| |||
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| ||||||
|
| 10K |
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|
|
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| 13 |
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| (GRY) |
|
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| 2 |
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| |
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| 14 |
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| 8 |
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LOAD RESISTOR |
|
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| 7 |
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|
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| |
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| ||
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| 15 |
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| 6 |
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| |
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| SW1 |
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| ||
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| 4 5 |
|
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| ||
|
| 4.3K | 16 |
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| ||
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| |||
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| 3 |
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| |
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| |
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|
| 17 | (LOWER) |
|
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| 2 |
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JUMPER |
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| 1 |
|
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|
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| ||
|
| 18 |
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| 0 N |
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| J7 |
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| |||
|
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|
|
| ALARM |
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| |||||
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| 6 |
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| |||||
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| |||||
|
|
| 19 |
|
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| R |
|
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| |||
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|
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| J3 |
|
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|
|
|
| J1 |
|
|
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| |
LOAD RESISTOR |
|
| 20 |
|
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|
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|
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|
|
|
|
|
|
|
|
|
| ||
|
| 21 |
|
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|
|
| 2 |
|
|
| (RED) |
| (RED) |
| 5 |
|
| ICVC |
| ||
|
|
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|
|
| J1 |
|
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|
|
| 24VAC |
| |||||||
|
|
|
|
|
|
|
|
|
| CB1 |
|
| (GRY) |
| 4 |
|
| ||||||
|
| 4.3K | 22 |
|
|
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|
|
|
|
|
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|
|
| |||||||
|
|
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|
|
|
|
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|
| ||
|
|
|
|
|
|
|
|
| 1 | (GRY) |
|
| (GRY) |
| (BLK) |
| 3 | - |
|
|
|
| |
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
| ||||||
JUMPER |
|
| 23 |
|
|
|
|
|
|
|
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|
| (CLR) |
| 2 | G |
|
|
|
|
|
| 24 |
|
|
|
|
|
|
|
|
|
| (GRY) |
| (RED) |
| 1 | + | STOP |
|
|
| |
|
|
|
|
|
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|
|
|
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|
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|
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| ||||||
|
|
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|
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|
|
|
|
|
|
| ||
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
| J8 |
|
|
|
|
|
| - | (BLK) | 1 |
|
|
|
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|
|
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|
|
|
| SERVICE |
|
|
|
|
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|
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|
|
|
|
|
|
|
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|
|
|
|
|
|
|
| |
EVAP PRESS |
| (CLR) | 2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| + | (RED) | 3 |
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
|
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| J2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
| (BLK) | 4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| - |
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
| ||
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
COND PRESS |
| (CLR) | 5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| + | (RED) | 6 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
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|
|
|
|
|
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|
|
|
|
|
|
| |||
|
|
|
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|
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|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 28 |
|
|
|
|
|
|
|
|
|