ECM OPERATION MANUAL
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FOR USE WITH MODELS: |
|
OH5-85DE |
OL5-85FDE |
OL5-85RDE |
OH11-105DE |
OL11-105FDE |
OL11-105RDE |
OH2-56DE |
OL2-56FDE |
OL2-56RDE |
OC5-85DE |
OC2-56DE |
OH5-85DXE |
: IF YOU DO NOT FOLLOW THE SAFETY PRECAUTIONS BELOW AND IN THIS MANUAL, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE.
INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER. (REFERRED TO IN THESE INSTRUCTIONS AS A QUALIFIED HEATING CONTRACTOR).
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE HOMEOWNER AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL.
THERMO PRODUCTS, LLC.
BOX 217
NORTH JUDSON, IN 46366
PHONE: (574) 896-2133
MADE IN USA
MO-434
ECN 4853-MA 082506
All installations and services must be performed by qualified service personnel.
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INDEX |
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SECTION |
BEGINNING PAGE |
|
I. |
FURNACE SPECIFICATIONS (SHIPPED SETTINGS) |
1 |
II. |
BLOWER CONTROL INFORMATION |
4 |
|
A. TERMINAL DEFINITIONS & FIELD WIRING |
4 |
|
B. WIRING & SWITCHES |
5 |
|
C. INPUTS |
9 |
|
D. OUTPUTS |
9 |
|
E. OPERATING MODES |
10 |
|
F. CFM TABLES |
12 |
|
G. ECM SPECIFIC REPLACEMENT PARTS |
13 |
III. |
ECM TROUBLESHOOTING |
13 |
|
A. DIAGNOSTIC FEATURES |
13 |
|
B. GENERAL GUIDELINES TO TROUBLESHOOTING GE ECM |
14 |
|
C. TROUBLESHOOTING CHARTS |
17 |
i
All installations and services must be performed by qualified service personnel.
I. FURNACE SPECIFICATIONS (SHIPPED SETTINGS)
OL SERIES
MODEL NO. |
OL2-56 |
OL5-85 |
OL11-105 |
|
HEAT INPUT RATE IN BTU/HR |
70,000 |
106,250 |
126,000 |
|
|
||||
HEATING CAPACITY IN BTU/HR |
56,000 |
85,000 |
101,000 |
|
|
||||
|
|
|
|
|
HEIGHT OF CASING |
34-3/4” |
43-1/4” |
46-1/2” |
|
WIDTH OF CASING |
19” |
25” |
25” |
|
DEPTH OF CASING |
48” |
50-1/4” |
54-1/2” |
|
WARM AIR OUTLET |
17 x 17 |
20 x 20 |
20 x 20 |
|
RETURN AIR INLET |
17 x 17 |
20 x 14 |
20 x 16 |
|
|
|
|
|
|
DIA. OF FLUE OUTLET |
5” |
6” |
6” |
|
FLOOR-CENTER OF FLUE |
29-1/4” |
36” |
38-1/2” |
|
|
|
|
|
|
FLOWRATE from .2” & .5” w.c. |
COOLING |
COOLING |
COOLING |
|
EXTERNAL STATIC PRESSURE |
||||
|
|
|
||
@2 TON SWITCH SELECTION (CFM) |
800 |
800 |
800 |
|
@2-1/2 TON SWITCH SELECTION (CFM) |
1000 |
1000 |
1000 |
|
@3 SWITCH SELECTION (CFM) |
1200 |
1200 |
1200 |
|
@3-1/2 TON SWITCH SELECTION (CFM) |
1400 |
1400 |
1400 |
|
|
|
|
|
|
|
HEATING |
HEATING |
HEATING |
|
@70deg SWITCH SELECTION (CFM) |
737 |
1134 |
1335 |
|
|
|
|
|
|
APPROX TEMPERATURE RISE (°F) |
70 |
70 |
70 |
|
BLOWER MOTOR HP |
1/2 |
1/2 |
1/2 |
|
NOZZLE SIZE |
.55 |
.75 |
.90 |
|
NOZZLE SPRAY ANGLE PATTERN |
80º Hollow |
80º Hollow |
80º Hollow |
|
LARGEST RECOMMENDED |
3.5 Ton |
3.5 Ton |
3.5 Ton |
|
AIR CONDITIONER |
||||
|
|
|
||
SIZE OF FILTERS |
16” x 20” |
20” x 20” |
20” x 25” |
|
NOTES: |
|
|
|
1.Heating capacity based on annual fuel utilization efficiency rated by manufacturer.
2.On all outlet and inlet dimensions, the first dimension is width.
3.To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is required.
4.Electrical characteristics at 115 volts, 60 Hz., 1 phase (less than 15 amps, for all models).
5.All specifications are subject to change without notice.
1
All installations and services must be performed by qualified service personnel.
OH SERIES |
|
|
|
|
|
|
|
OH5-85 |
|
|
|
MODEL NO. |
OH2 |
OH11-105 |
OH5-85DXE |
||
HEAT INPUT RATE IN BTU/HR |
|
|
|
85,000 |
|
|
70,000 |
106,250 |
126,000 |
106,250 |
|
HEATING CAPACITY IN BTU/HR |
|
|
|
74,000 |
|
|
56,000 |
85,000 |
101,000 |
85,000 |
|
|
|
56” |
|
|
|
HEIGHT OF CASING |
52” |
59-1/2” |
56” |
||
WIDTH OF CASING |
19” |
24” |
24” |
24” |
|
DEPTH OF CASING |
27” |
33” |
34” |
33” |
|
WARM AIR OUTLET |
17 x 17 |
22 x 20 |
22 x 20 |
22 x 20 |
|
RETURN AIR INLET |
18 x 14 |
23 x 14 |
25 x 16 |
25 x 16 |
|
|
|
6” |
|
|
|
DIA. OF FLUE OUTLET |
5” |
6” |
6” |
||
FLOOR-CENTER OF FLUE |
TOP |
TOP |
TOP |
TOP |
|
|
|
|
|
|
|
FLOWRATE from .2” & .5” w.c. |
COOLING |
COOLING |
COOLING |
COOLING |
|
EXTERNAL STATIC PRESSURE |
|||||
|
800 |
|
|
||
@2 TON SWITCH SELECTION (CFM) |
800 |
800 |
726 |
||
@2-1/2 TON SWITCH SELECTION (CFM) |
1000 |
1000 |
1000 |
924 |
|
@3 SWITCH SELECTION (CFM) |
1200 |
1200 |
1200 |
1276 |
|
@3-1/2 TON SWITCH SELECTION (CFM) |
1400 |
1400 |
1400 |
1474 |
|
4 TON |
|
HEATING |
|
1600 |
|
|
HEATING |
HEATING |
HEATING |
||
@70deg SWITCH SELECTION (CFM) |
|
|
|
905 |
|
737 |
1134 |
1335 |
1121 |
||
|
|
70 |
|
|
|
APPROX TEMPERATURE RISE (°F) |
70 |
70 |
72 |
||
|
|
1/2 |
|
70 |
|
BLOWER MOTOR HP |
1/2 |
1/2 |
3/4 |
||
NOZZLE SIZE |
.55 |
.75 |
.90 |
.70 |
|
NOZZLE SPRAY ANGLE PATTERN |
80º Hollow |
80º Hollow |
80º Hollow |
45º W |
|
LARGEST RECOMMENDED |
3.5 Ton |
3.5 Ton |
3.5 Ton |
4 Ton |
|
AIR CONDITIONER |
|||||
|
25” x 16” |
|
|
||
SIZE OF FILTERS |
20” x 16” |
25” x 16” |
20” x 25” |
||
NOTES: |
|
|
|
|
1.Heating capacity based on annual fuel utilization efficiency rated by manufacturer.
2.On all outlet and inlet dimensions, the first dimension is width.
3.To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is
required.
6.Electrical characteristics at 115 volts, 60 Hz., 1 phase (less than 15 amps, for all models).
2
All installations and services must be performed by qualified service personnel.
OC SERIES
MODEL NO. |
OC2-56 |
OC5-85 |
|
HEAT INPUT RATE IN BTU/HR |
70,000 |
106,250 |
|
|
|||
HEATING CAPACITY IN BTU/HR |
56,000 |
85,000 |
|
|
|||
|
|
|
|
HEIGHT OF CASING |
57-1/2” |
56” |
|
WIDTH OF CASING |
19” |
24” |
|
DEPTH OF CASING |
27” |
33” |
|
WARM AIR OUTLET |
17 x 17 |
16 x 20 |
|
RETURN AIR INLET |
17 x 17 |
22 x 20 |
|
|
|
|
|
DIA. OF FLUE OUTLET |
5” |
6” |
|
FLOOR-CENTER OF FLUE |
TOP |
TOP |
|
|
|
|
|
FLOWRATE from .2” & .5” w.c. |
COOLING |
COOLING |
|
EXTERNAL STATIC PRESSURE |
|||
|
|
||
@2 TON SWITCH SELECTION (CFM) |
800 |
800 |
|
@2-1/2 TON SWITCH SELECTION (CFM) |
1000 |
1000 |
|
@3 SWITCH SELECTION (CFM) |
1200 |
1200 |
|
@3-1/2 TON SWITCH SELECTION (CFM) |
1400 |
1400 |
|
|
|
|
|
|
HEATING |
HEATING |
|
@70deg SWITCH SELECTION (CFM) |
737 |
1134 |
|
|
|
|
|
APPROX TEMPERATURE RISE (°F) |
70 |
70 |
|
BLOWER MOTOR HP |
1/2 |
1/2 |
|
NOZZLE SIZE |
.55 |
.75 |
|
NOZZLE SPRAY ANGLE PATTERN |
80º Hollow |
80º Hollow |
|
LARGEST RECOMMENDED |
3.5 Ton |
3.5 Ton |
|
AIR CONDITIONER |
|||
|
|
||
SIZE OF FILTERS |
17” x 10” |
20” x 12” |
|
NOTES: |
|
|
1.Heating capacity based on annual fuel utilization efficiency rated by manufacturer.
2.On all outlet and inlet dimensions, the first dimension is width.
3.To permit largest recommended air conditioning (at .5 static pressure), selection of the highest motor speed is
required.
7.Electrical characteristics at 115 volts, 60 Hz., 1 phase (less than 15 amps, for all models).
8.All specifications are subject to change without notice.
3
All installations and services must be performed by qualified service personnel.
II. BLOWER CONTROLLER INFORMATION
A. TERMINAL DEFINITIONS & FIELD WIRING
Burner Harness Connector P1 |
|
|
|
|
|
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Pin |
1 – |
Limit switch connection. |
|
|
|
|
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Pin 2 – |
120 VAC Line connection. |
|
|
|
|
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Pin |
3 – |
Burner pilot contact. |
|
|
|
|
|
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Pin 4&5 – 120 VAC Neutral connection. |
|
|
|
|
|||||
Pin |
6 – |
Burner pilot contact. |
|
|
|
|
|
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Pin |
7&8 – From oil primary control. |
|
|
|
|
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Pin |
9 – |
Limit Switch Input (LSI). |
|
|
|
|
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Field Wiring to Burner |
Pilot (Tstat) |
Neutral |
Line |
||||||
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|
|
|
|
|||||
|
Harness Wires |
|
Yellow Wires |
White |
|
Red |
|
||
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Beckett Connections |
|
T-T terminals |
White |
|
Black |
|
||
|
Riello Connections |
|
|
|
|
|
|
||
|
|
T-stat terminals |
White |
|
Black |
|
|||
Thermostat/Humidistat connections |
|
|
|
|
|
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"C" |
|
|
Common/ground |
|
|
|
|
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"W" |
|
|
Thermostat call for heat |
|
|
|
|
||
"R" |
|
|
24 VAC to thermostat |
|
|
|
|
||
"G" |
|
|
Thermostat call for fan |
|
|
|
|
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"Y" |
|
|
Thermostat call for cool |
|
|
|
|
||
“DEHUM” |
|
Humidistat call for dehumidification (TXV systems ONLY) |
|||||||
Thermostat/Humidistat connections for 2-Stage control |
|
|
|
|
|||||
"C" |
|
|
Common/ground |
|
|
|
|
||
"W1" |
|
T-Stat call for heat (low fire) |
|
|
|
|
|||
"W2" |
|
T-Stat call for heat (high fire) |
|
|
|
|
|||
"R" |
|
|
24 vac to T-Stat |
|
|
|
|
||
"G" |
|
|
T-Stat call for fan |
|
|
|
|
||
"Y" |
|
|
T-Stat call for cool |
|
|
|
|
||
“DEHUM” |
|
Humidistat call for dehumidification (TXV systems ONLY) |
|||||||
ECM control outputs |
|
|
|
|
|
|
|
||
Pin 1 - Speed Common |
Pin 4 – Blower Enable |
|
|
||||||
Pin 2 - Speed Output |
Pin 5 – COOL Enable |
|
|
||||||
Pin 3 – Motor CFM |
Pin 6 – “R” Output |
|
|
||||||
Male quick connect terminals. |
|
|
|
|
|
||||
"S1-3” |
|
120 VAC Hot |
|
|
|
|
|
||
“N1-7” |
|
120 VAC Neutral |
|
|
|
|
|||
“EAC” |
|
Electronic Air Cleaner (120 VAC) connection. |
|
|
|||||
“HUM” |
|
Humidifier connection (120 VAC). |
|
|
|||||
"FAN" |
|
Fan On Signal |
|
|
|
|
|
||
“X” |
|
|
24VAC from transformer. |
|
|
|
|
||
“C” |
|
|
24VAC common from transformer. |
|
|
||||
"CC" |
|
Compressor Contactor |
|
|
|
|
|||
"CC_COM" |
Compressor Contactor Common |
|
|
|
|
||||
4
All installations and services must be performed by qualified service personnel.
B. WIRING & SWITCHES
HIGHBOY/LOWBOY
Figure 1: BLOWER WIRING
5
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