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Table 13 – 374RAN105

OIL HEATING MODE

24 VAC INPUT (R) ON W ONLY

SW1---HEAT

DIP SWITCH POSITION

HEAT INPUT

(USGPH)

AIRFLOW (CFM)

EXTERNAL STATIC PRESSURE (IN WC)

0.2

0.5

0.7

0.9

A (1=OFF, 2=OFF)*

0.75

1128

1146

1146

842

A (1=OFF, 2=OFF)**

1275

1295

1295

951

A (1=OFF, 2=OFF)***

959

974

974

716

B (1=ON, 2=OFF)*

0.65

894

951

969

823

B (1=ON, 2=OFF)**

1010

1075

1095

930

B (1=ON, 2=OFF)***

760

808

824

700

C (1=OFF, 2=ON)*

0.50

733

779

769

757

C (1=OFF, 2=ON)**

858

880

869

855

C (1=OFF, 2=ON)**

623

662

654

643

D (1=ON, 2=ON)

SAME VALUE AS A DIP SWITCH POSITION

CONTINUOUS FAN

24 VAC INPUT (R) ON G ONLY

SW2---COOL

DIP SWITCH POSITION

A/C SIZE

(TON)

AIRFLOW (CFM)

EXTERNAL STATIC PRESSURE (IN WC)

0.2

0.5

0.7

0.9

A (1=OFF, 2=OFF)*

3.0

690

739

729

711

A (1=OFF, 2=OFF)**

759

813

802

782

A (1=OFF, 2=OFF)***

621

665

656

640

B (1=ON, 2=OFF)*

2.5

600

613

609

592

B (1=ON, 2=OFF)**

660

674

670

651

B (1=ON, 2=OFF)***

540

552

548

533

C (1=OFF, 2=ON)*

2.0

505

513

505

483

C (1=OFF, 2=ON)**

556

564

556

531

C (1=OFF, 2=ON)**

455

462

455

435

D (1=ON, 2=ON)*

1.5

441

434

417

410

D (1=ON, 2=ON)**

485

477

459

451

D (1=ON, 2=ON)***

397

391

375

369

COOLING OR HEAT PUMP HEATING MODE --- SINGLE SPEED OR 2---SPEED HIGH

24 VAC INPUT (R) ON Y/Y2 AND O (FOR COOLING)

SW2---COOL

DIP SWITCH POSITION

A/C SIZE

(TON)

AIRFLOW (CFM)

EXTERNAL STATIC PRESSURE (IN WC)

0.2

0.5

0.7

0.9

A (1=OFF, 2=OFF)*

3.0

918

973

973

827

A (1=OFF, 2=OFF)**

1010

1070

1070

910

A (1=OFF, 2=OFF)***

826

876

876

744

B (1=ON, 2=OFF)*

2.5

752

798

798

795

B (1=ON, 2=OFF)**

827

878

878

875

B (1=ON, 2=OFF)***

677

718

718

716

C (1=OFF, 2=ON)*

2.0

620

658

650

631

C (1=OFF, 2=ON)**

682

724

715

694

C (1=OFF, 2=ON)**

558

592

585

568

D (1=ON, 2=ON)*

1.5

509

520

506

497

D (1=ON, 2=ON)**

560

572

557

547

D (1=ON, 2=ON)***

458

468

455

447

NOTE: In cooling---dehumidification mode, with no 24VAC input to DH, the CFM is reduced 15%

COOLING OR HEAT PUMP HEATING MODE --- 2---SPEED LOW

24 VAC INPUT (R) ON Y1 AND O (FOR COOLING)

SW2---COOL

DIP SWITCH POSITION

A/C SIZE

(TON)

AIRFLOW (CFM)

EXTERNAL STATIC PRESSURE (IN WC)

0.2

0.5

0.7

0.9

A (1=OFF, 2=OFF)*

3.0

546

552

544

530

A (1=OFF, 2=OFF)**

601

607

598

583

A (1=OFF, 2=OFF)***

491

497

490

477

B (1=ON, 2=OFF)*

2.5

485

488

482

463

B (1=ON, 2=OFF)**

534

537

530

509

B (1=ON, 2=OFF)***

437

439

434

417

C (1=OFF, 2=ON)*

2.0

434

421

413

404

C (1=OFF, 2=ON)**

477

463

454

444

C (1=OFF, 2=ON)**

391

379

372

364

D (1=ON, 2=ON)*

1.5

372

370

364

339

D (1=ON, 2=ON)**

409

407

400

373

D (1=ON, 2=ON)***

335

333

328

305

NOTE: In cooling---dehumidification mode, with no 24VAC input to DH, the CFM is reduced 15%

*CFM with SW3---ADJ Dip Switch A Position

**CFM with SW3---ADJ Dip Switch B Position

***CFM with SW3---ADJ Dip Switch C Position

374RAN

Summary of Contents for 374RAN

Page 1: ...Check 15 Step 4 Fan Adjustment Check 16 Step 5 Limit Control Check 17 Step 6 For Year Round Air Conditioning 17 CARE AND MAINTENANCE 17 Step 1 General 17 Step 2 Oil Burner 17 Step 3 Heat Exchanger an...

Page 2: ...g gasoline Never burn garbage or paper in the heating system and never leave rags paper or any flammable items around the unit WARNING All local and national code requirements governing installation o...

Page 3: ...the structure The furnace is controlled by a thermostat It may not be hot wired to provide heat continuously to the structure without thermostatic control Clean outside air is provided for combustion...

Page 4: ...st be avoided Such contamination would include the following ammonia chlorine hydrogen sulfide halogenated hydrocarbons carbon tetrachloride cleaning solvents hydrochloric acid water softening chemica...

Page 5: ...side of Structure If outside air is supplied to a confined space then the 2 openings must be equal and located as above 1 If combustion air is taken through a permanent opening directly communicating...

Page 6: ...each end of attic ends 1 ft 0 3m above floor Water heater A06463 Fig 4 Combustion Air Taken From Outdoors Through Vertical Ducts without louvers in foundation The Outlet air duct and Inlet air duct m...

Page 7: ...ter Outlet air duct Inlet air duct A06465 Fig 6 Combustion Air Taken From Outdoors Through Horizontal Ducts The top opening and the bottom opening must each be 8 in x 18 in when a 105 size furnace is...

Page 8: ...obstructions Any blockage must be cleared before installing furnace 3 Cleaning chimney or vent if previously used for venting a solid fuel burning appliance or fireplace 4 Confirming that all unused...

Page 9: ...installed in the flue between 2 in and 12 in from the furnace outlet and between the furnace outlet and draft regulator See Fig 9 Diagram B Riello A06403 Fig 8 Wiring Diagram for Riello Burner FIRE C...

Page 10: ...e and cleaning pipes The BVSO must be installed between 2 in and 12 in from the furnace outlet Limit Switches A06614 Fig 9 Blocked Vent Shut Off Device Wiring Installation shown Upflow with vertical e...

Page 11: ...n personal injury death or property damage Do not connect aluminum wire between disconnect switch and furnace Use only copper wire WARNING The control system depends on correct polarity of power suppl...

Page 12: ...12 BLOCKED VENT SHUT A06627 Fig 14 Wiring Diagram 374RAN...

Page 13: ...provided for air filter access Refer to Table 4 for filter rack flange dimensions for return air duct Table 4 Filter Size and Quantity UNIT SIZE AIR FILTER SIZE IN mm FLANGE OPENING SIZE IN mm 036105...

Page 14: ...ce Wiring with 1 Speed Air Conditioner A04184 Fig 16 24 VAC Oil Furnace Wiring with 2 Speed Air Conditioner A04185 Fig 17 24 VAC Oil Furnace with 1 Speed Heat Pump A04186 Fig 18 24 VAC Oil Furnace Wir...

Page 15: ...the BLWM keeps continuous blower speed until the end of Short run delay period After which the BLWM operates at the appropriate low cooling airflow When the thermostat is satisfied the BLWM switches t...

Page 16: ...ncluded with damper The draft regulator should be adjusted after furnace has been firing for at least 5 min and set between 0 025 and 0 035 in wc See Table 5 Table 5 Furnace Draft Conditions in wc FUR...

Page 17: ...ion for at least 15 minutes restrict return air supply by blocking filters or closing return registers and allow furnace to shut down on high limit The burner should shut off and main blower should co...

Page 18: ...required If cleaning is necessary the following steps should be performed BURN HAZARD Failure to follow this caution may result in personal injury If furnace has been in operation some surfaces may b...

Page 19: ...D13 R13 JW2 JW3 JW7 LED7 GRN R14 R12 D17 D18 D19 D21 D15 D16 LED4 LED3 LED5 LED7 LED8 LED1 GRN GRN GRN GRN GRN GRN P3 Y Y Y2 G DH O W R C HSC 1 1168 83 1 NOTES 1 The Red LED to the right of P 1 will i...

Page 20: ...SW2 COOL DIP SWITCH POSITION A C SIZE TON AIRFLOW CFM EXTERNAL STATIC PRESSURE IN WC 0 2 0 5 0 7 0 9 A 1 OFF 2 OFF 3 0 918 973 973 827 A 1 OFF 2 OFF 1010 1070 1070 910 A 1 OFF 2 OFF 826 876 876 744 B...

Page 21: ...OLING SW2 COOL DIP SWITCH POSITION A C SIZE TON AIRFLOW CFM EXTERNAL STATIC PRESSURE IN WC 0 2 0 5 0 7 0 9 A 1 OFF 2 OFF 5 0 1738 1738 1738 1725 A 1 OFF 2 OFF 1912 1912 1912 1898 A 1 OFF 2 OFF 1564 15...

Page 22: ...nge at any time specifications or designs without notice and without incurring obligations E2009 Bryant Heating Cooling Systems 7310 W Morris St Indianapolis IN 46231 Printed in U S A Edition Date 05...

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