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Table 8:  Airflow Data, Models with 1.0 HP variable speed (ECM) motors 

SW1- HEAT

DIP switch position

HEAT INPUT 

(USGPH)

CFM with

SW3-ADJ

DIP switch position A

CFM with

SW3-ADJ

DIP switch position B

CFM with

SW3-ADJ

DIP switch position C

(1=OFF, 2=OFF)

0.90

1450

1640

1235

(1=ON, 2=OFF)

1.10

1700

1920

1445

(1=OFF, 2=ON)

(1=ON, 2=ON)

SW2- COOL

DIP switch position

A/C size 

(TON)

CFM with

SW3-ADJ

DIP switch position A

CFM with

SW3-ADJ

DIP switch position B

CFM with

SW3-ADJ

DIP switch position C

(1=OFF, 2=OFF)

5.0

1500

1650

1350

(1=ON, 2=OFF)

4.0

1200

1320

1080

(1=OFF, 2=ON)

3.5

1050

1155

945

(1=ON, 2=ON)

3.0

900

990

810

SW2- COOL

DIP switch position

A/C size 

(TON)

CFM with

SW3-ADJ

DIP switch position A

CFM with

SW3-ADJ

DIP switch position B

CFM with

SW3-ADJ

DIP switch position C

(1=OFF, 2=OFF)

5.0

2000

2200

1800

(1=ON, 2=OFF)

4.0

1600

1760

1440

(1=OFF, 2=ON)

3.5

1400

1540

1260

(1=ON, 2=ON)

3.0

1200

1320

1080

SW4- DEALY

DIP switch position

HEAT INPUT

(USGPH)

PreRun

On-Delay

CFM

Level - Time

ShortRun
On-Delay

CFM

Level - Time

Off-Delay

CFM

Level - Time

(1=OFF, 2=OFF)

0.90

13% - 45 sec.

44% - 30 sec

38% - 3 min.

(1=ON, 2=OFF)

1.10

13% - 30 sec.

44% - 30 sec

38% - 3 min.

(1=OFF, 2=ON)

1.10

13% - 30 sec.

50% - 30 sec

38% - 3 min.

(1=ON, 2=ON)

No adjustment

required

A/C size

PreRun

On-Delay

CFM

Level - Time

ShortRun
On-Delay

CFM

 Level - Time

Off-Delay

CFM

Level - Time

-

All

NO DELAY

NO DELAY

100% - 90 sec

DELAY PROFILE FOR OIL HEATING MODE

PreRun and ShortRun are the periods of time when the the blower starts at very low CFM to minimize the 
distributon of cool air in the system and then runs up to normal speed.
Off Delay is the time required to cool down the heat exchanger with low CFMs, to minimize cool draft in the 
air distribution system.

OIL HEATING MODE

24 VAC input (R) on W only

CONTINUOUS FAN

24 VAC input (R) on G only

COOLING OR HEAT PUMP HEATING MODE

24 VAC input (R) to G, Y/Y2 and O (for cooling)

In Cooling - Dehumidification mode, with no 24 VAC input to DH, the CFMs are reduced by 15%.
The CFMs shown are reduced by 20% if there is 24 VAC input to Y1 (first stage cooling mode)

Settings not used in this mode.

Setting not used in this application

DELAY PROFILE FOR COOLING OR HEAT PUMP HEATING MODE

 

 

Содержание AMT154SDMA

Страница 1: ...ke Qu bec www dettson ca Attention Do not tamper with the unit or its controls Call a qualified service technician INSTALLER SERVICE TECHNICIAN USE THE INFORMATION IN THIS MANUAL FOR THE INSTALLATION...

Страница 2: ...ply air Temperature Rise Test 10 3 3 8 Limit Control Check 10 3 3 9 Restart after burner failure 10 4 MAINTENANCE 10 4 1 CLEANING THE HEAT EXCHANGER 10 4 2 CLEANING THE BLOCKED VENT SHUT OFF DEVICE BV...

Страница 3: ...formation such as the model and serial numbers of the furnace WARNING Installations and repairs performed by unqualified persons can result in hazards to them and to others Installations must conform...

Страница 4: ...re the ambient and return air temperatures are above 15 C 60 F In addition the furnace should be installed as closely as possible to the vent so that the connections are direct and kept to a minimum T...

Страница 5: ...ired for Riello burners Refer to the burner control instruction manual and markings for proper adjustment of the post purge delay 2 5 VENTING WARNING Poisonous carbon monoxide gas hazard Never install...

Страница 6: ...equate supply of combustion air It is common practice to assume that older homes have sufficient infiltration to accommodate the combustion air requirement for the furnace However home improvements su...

Страница 7: ...ated the return air must be sealed and also be directed to the space other than where the furnace is located 2 9 1 Air filter A properly sized air filter must be installed on the return air side of th...

Страница 8: ...heating or air conditioning mode This signal can be used to activate an electronic air cleaner that is not equipped with an air flow switch If the cleaner is equipped with an air flow switch the S te...

Страница 9: ...of the oil piping and pump Slowly close and tighten the bleed screw Once closed the flame will light up 3 3 2 Pressure adjustment The oil pressure must be adjusted according to the Technical Specifica...

Страница 10: ...burner should restart after a few minutes The time required for the restart also depends on the adjustment of the blower OFF delay 3 3 9 Restart after burner failure 1 Set the thermostat lower than r...

Страница 11: ...uction inside the heat transfer tube 7 Re mount lock and fasten the control box with the 2 screws removed in step 4 8 Re attach the assembly cover with the screws removed in step 2 9 Re establish powe...

Страница 12: ...vice telephone Day Night Dealer name and address START UP RESULTS Nozzle Pressure lb po 2 Burner adjustments Primary air Fine air Drawer Assembly CO2 Smoke scale Bacharach Gross stack temperature F Am...

Страница 13: ...n 87 5 86 2 87 5 86 2 Volts Hertz Phase Rated current Amps Minimum ampacity for wire sizing Amps Max fuse size Amps Control transformer VA External control power available Heating VA Cooling VA Heatin...

Страница 14: ...Time ShortRun On Delay CFM Level Time Off Delay CFM Level Time A 1 OFF 2 OFF 0 90 13 45 sec 44 30 sec 38 3 min B 1 ON 2 OFF 1 10 13 30 sec 44 30 sec 38 3 min C 1 OFF 2 ON 1 10 13 30 sec 50 30 sec 38...

Страница 15: ...WITH AIR FILTER Table 10 Minimum clearances from combustible material LOCATION APPLICATION CLEARANCES combustible materials RECOMMANDED ACCESS FOR SERVICE FURNACE 2 54 cm 1 0 6 m 24 SUPPLY PLENUM WIT...

Страница 16: ...16 Figure 7 Furnace Dimensions...

Страница 17: ...17 Figure 8 Wiring Diagram 4 Speed Motor PSC...

Страница 18: ...18 Figure 9 Wiring Diagram Variable Speed Motor ECM...

Страница 19: ...19 Figure 10 Parts List With 4 Speed motor PSC B50095B...

Страница 20: ...TERIOR 33 F06F015 ZINC WASHER 1 7 16 34 Z99F061 SIGHT GLASS FOR HEAT EXCHANGER 35 Z06G001 BLOCKED VENT SHUT OFF BVSO 225 36 B03675 GASKET SMOKE OUTLET 37 B03765 CLEAN OUT ASSEMBLY Item 36 included 38...

Страница 21: ...21 Figure 11 Parts List With variable speed motor ECM B50096C...

Страница 22: ...ELECTRICAL BOX COVER Panel only 32 B03118 01 ELECTRICAL KIT BVSO EXTERIOR 33 F06F015 ZINC WASHER 1 7 16 34 Z99F061 SIGHT GLASS FOR HEAT EXCHANGER 35 Z06G001 BLOCKED VENT SHUT OFF BVSO 225 36 B03675 G...

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