Installation, Operation & Maintenance | HTV/HTD/HTH SERIES | Heat Controller, Inc. |
ECM Blower Control
Table 5: ECM Board Tap Settings
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| HT Units |
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| Cooling settings: , TS Units |
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| Version I | Version II and III | |||
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| 69243707 |
| (17B0019N01 & 17B0034N01) | ||
| Tap | HP CFM |
| DIP Switch |
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| Setting | Jumper | SW1 | SW2 |
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1 |
| 1 |
| ON | ON | ||
| 2 |
| 2 |
| ON | OFF |
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| 3 |
| 3 |
| OFF | ON |
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| 4 |
| 4 |
| OFF | OFF |
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CFM Adjust settings: | HT Units |
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| , TS Units |
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| Version I | Version II and III | |||
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| 69243707 | (17B0019N01 & 17B0034N01) | |||
Tap | CFM Adj | DIP Switch |
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Setting | Jumper | SW7 | SW8 |
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TEST | 1 |
| ON | ON | ||
- |
| 2 |
| ON | OFF |
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+ |
| 3 |
| OFF | ON |
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NORM |
| 4 |
| OFF | OFF |
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| HT Units |
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| Heating settings: , TS Units |
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| Version I |
| Version II and III | |||
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| 69243707 | (17B0019N01 & 17B0034N01) | ||||
| Tap | DELAY |
| DIP Switch |
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| Setting | Jumper |
| SW3 |
| SW4 |
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1 |
| 1 |
| ON |
| ON | ||
| 2 |
| 2 |
| ON |
| OFF |
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| 3 |
| 3 |
| OFF |
| ON |
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| 4 |
| 4 |
| OFF |
| OFF |
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| Dehum Mode settings: | HT Units |
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| , TS Units |
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| Version I |
| Version II and III | |||
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| 69243707 | (17B0019N01 & 17B0034N01) | ||||
| Tap | Dehumid |
| DIP Switch |
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| Setting | Jumper |
| SW9 |
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| NORM | pins 1,2 |
| ON |
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| Dehumid |
| pins 2,3 |
| OFF |
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Aux/Emerg Heat settings: HT, TSUnitsUnits*
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| Version I | Version II and III | ||
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| 69243707 | (17B0019N01 & 17B0034N01) | ||
Tap | AUX CFM | DIP Switch |
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Setting | Jumper | SW5 | SW6 |
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1 |
| 1 | ON | ON | |
2 |
| 2 | ON | OFF |
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3 |
| 3 | OFF | ON |
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4 |
| 4 | OFF | OFF |
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*Residential Units
Figure 26a: ECM Version II Interface Layout | Figure 26b: ECM Version I Interface Layout |
1/4" Spade |
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Connections |
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to CXM or |
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DXM Board | R | G | Y1 | Y2 | O | W |
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| G | G | G | G | R |
Thermostat Input LEDs
A | A |
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L | L | A L |
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1/4" Spade Connections to CXM or DXM Board
Thermostat Connections 
Dehumidification
LED
TB1 C Y2 Y1 G O W C R DH AL1 A A AL1
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| CFM | Y |
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G |
| SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 |
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DEHUM | OFF ON | S1 | J1 |
CFM Counter
1 flash per 100 CFM
Thermostat
Connections
ECM Motor
Low Voltage
Connector
| G |
| Y1 Y2 O | W1 EM | C | R |
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Y2 | 1 |
| LED's |
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Y1 | 2 |
| CFM |
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G | 3 |
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O | 4 |
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W1 EM | 5 6 | TB01 |
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| J01 | |
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NC | 7 |
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C R Hum | 8 9 10 |
| 4 3 2 1 | Aux CFM | Test | (+) | Norm | CFM Adjust |
2 3 Dehumid |
| 1 2 | 4 3 2 Norm 1 | HP CFM | 4 3 2 1 | Delay | ||
Thermostat
Input LEDs
CFM Counter
1 flash per 100CF
ECM Motor
Low Voltage
Connector
Dehumidification
LED
Fan Speed Selection DIP Switch
Fan Speed Selection Jumpers
Figure 26c: ECM Version III Interface Layout
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