background image

TABLE 9—MODEL 330AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT—Continued

(TABULATED DATA BASED ON 20,000 BTUH HIGH HEAT/13,000 BTUH LOW HEAT PER BURNER

DERATED 4% FOR EACH 1000 FT ABOVE SEA LEVEL)*

ALTITUDE

RANGE

(FT)

AVG GAS

HEAT VALUE

AT ALTITUDE

(BTU/CU FT)

SPECIFIC GRAVITY OF NATURAL GAS

0.58

0.60

0.62

0.64

0.66

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

U.S.A.

Only

725

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

44

3.8/1.6

43

3.4/1.4

750

44

3.2/1.3

44

3.3/1.4

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

775

45

3.6/1.5

45

3.7/1.6

44

3.2/1.3

44

3.3/1.4

44

3.4/1.4

4001

800

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

45

3.7/1.6

44

3.2/1.3

825

45

3.2/1.3

45

3.3/1.4

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

to

850

47

3.6/1.5

47

3.7/1.6

45

3.2/1.4

45

3.3/1.4

45

3.4/1.4

875

48

3.8/1.6

47

3.5/1.5

47

3.6/1.5

47

3.7/1.6

45

3.2/1.4

5000

900

48

3.6/1.5

48

3.8/1.6

47

3.4/1.4

47

3.5/1.5

47

3.6/1.5

925

48

3.4/1.5

48

3.6/1.5

48

3.7/1.6

48

3.8/1.6

47

3.4/1.5

950

49

3.8/1.6

48

3.4/1.4

48

3.5/1.5

48

3.6/1.5

48

3.7/1.6

ALTITUDE

RANGE

(FT)
(FT)

AVG GAS

HEAT VALUE

AT ALTITUDE

(BTU/CU FT)

SPECIFIC GRAVITY OF NATURAL GAS

0.58

0.60

0.62

0.64

0.66

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

U.S.A.

Only

700

44

3.2/1.3

44

3.3/1.4

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

725

45

3.6/1.5

45

3.7/1.6

45

3.8/1.6

44

3.3/1.4

44

3.4/1.4

750

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

45

3.7/1.6

45

3.8/1.6

775

45

3.2/1.3

45

3.3/1.4

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

5001

800

47

3.5/1.5

47

3.6/1.5

45

3.2/1.3

45

3.3/1.4

45

3.4/1.4

825

48

3.8/1.6

47

3.4/1.4

47

3.5/1.5

47

3.7/1.5

45

3.2/1.3

to

850

48

3.6/1.5

48

3.7/1.6

48

3.8/1.6

47

3.4/1.5

47

3.5/1.5

875

48

3.4/1.4

48

3.5/1.5

48

3.6/1.5

48

3.7/1.6

48

3.8/1.6

6000

900

49

3.7/1.6

49

3.8/1.6

48

3.4/1.4

48

3.5/1.5

48

3.6/1.5

925

49

3.5/1.5

49

3.6/1.5

49

3.8/1.6

48

3.3/1.4

48

3.4/1.4

950

49

3.3/1.4

49

3.5/1.5

49

3.6/1.5

49

3.7/1.6

49

3.8/1.6

975

50

3.7/1.6

49

3.3/1.4

49

3.4/1.4

49

3.5/1.5

49

3.6/1.5

1000

50

3.6/1.5

50

3.7/1.6

50

3.8/1.6

49

3.3/1.4

49

3.4/1.4

ALTITUDE

RANGE

(FT)

AVG GAS

HEAT VALUE

AT ALTITUDE

(BTU/CU FT)

SPECIFIC GRAVITY OF NATURAL GAS

0.58

0.60

0.62

0.64

0.66

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

U.S.A.

Only

650

44

3.2/1.4

44

3.3/1.4

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

675

45

3.6/1.5

45

3.7/1.6

45

3.8/1.6

44

3.3/1.4

44

3.4/1.4

700

45

3.3/1.4

45

3.5/1.5

45

3.6/1.5

45

3.7/1.6

45

3.8/1.6

6001

725

47

3.7/1.6

45

3.2/1.4

45

3.3/1.4

45

3.4/1.5

45

3.5/1.5

750

47

3.5/1.5

47

3.6/1.5

47

3.7/1.6

45

3.2/1.4

45

3.3/1.4

to

775

48

3.7/1.6

48

3.8/1.6

47

3.5/1.5

47

3.6/1.5

47

3.7/1.6

800

48

3.5/1.5

48

3.6/1.5

48

3.7/1.6

48

3.8/1.6

47

3.5/1.5

7000

825

49

3.8/1.6

48

3.4/1.4

48

3.5/1.5

48

3.6/1.5

48

3.7/1.6

850

49

3.6/1.5

49

3.7/1.6

48

3.3/1.4

48

3.4/1.4

48

3.5/1.5

875

49

3.4/1.4

49

3.5/1.5

49

3.6/1.5

49

3.8/1.6

48

3.3/1.4

* For 060135 sizes only, input is 19,000 Btuh for high fire. Deduct 0.1-in. from manifold pressure shown in table. Change orifice size if manifold pressure falls below 3.2-in.wc.

—18—

Summary of Contents for 330AAV

Page 1: ...labels attached to or shipped with the unit and other safety precautions that may apply Follow all safety codes In the United States refer to the National Fuel Gas Code NFGC NFPA No 54 1999 ANSI Z223...

Page 2: ...6 12 11 16 4 134 042080 17 1 2 15 7 8 16 4 150 048080 21 19 3 8 19 1 2 4 154 036100 17 1 2 15 7 8 16 4 160 048100 21 19 3 8 19 1 2 4 166 060100 24 1 2 22 7 8 23 4 184 048120 21 19 3 8 19 1 2 5 178 060...

Page 3: ...require these instructions as a minimum for a safe installation CAUTION Application of this furnace should be in doors with special attention given to vent sizing and material gas input rate air tempe...

Page 4: ...on and ventilation air must be provided in accordance with Section 5 3 Air for Combustion and Ventilation of the NFGC or applicable provisions of the local building codes Canadian installations must b...

Page 5: ...with the outdoors shall be provided See item 2 below c If furnace is installed on a raised platform to provide a return air plenum and return air is taken directly from hallway or space adjacent to fu...

Page 6: ...sories All accesso ries MUST be connected external to furnace main casing IV RETURN AIR CONNECTIONS CAUTION For airflow requirements above 1800 CFM see Air Delivery table in Product Data literature fo...

Page 7: ...le in each bottom corner of furnace as shown in Fig 7 2 Install nut on bolt and install bolt and nut in hole Install flat washer if desired 3 Install another nut on other side of furnace base Install...

Page 8: ...een gas control manifold and manual shutoff valve WARNING Use the proper length of pipes and ad equate piping support to avoid stress on the gas control manifold A failure to follow this warning can c...

Page 9: ...24 v humidifier connection The terminals are energized with 24v 0 5 amp maximum when the gas valve is energized Fig 9 Heating and Cooling Application Wiring Diagram 1 Stage Thermostat and Condensing U...

Page 10: ...and high gas heat for optimum comfort Setup switch 2 SW 2 must be in the factory shipped OFF position See Fig 12 and Tables 6 and 7 for setup switch information If a 2 stage heating thermostat is to b...

Page 11: ...ec tion is based on stored history of thermostat cycle times When wall thermostat calls for heat R W W1 circuit closes The furnace control performs a self check verifies the low heat and high heat pre...

Page 12: ...high gas heat and vice versa a Switching from low to high gas heat If thermostat R W W1 circuit for low gas heat is closed and R W2 circuit for high gas heat closes the control CPU switches the induc...

Page 13: ...et thermal overload switches 4 Blower motor speed selections are for average conditions See Installation Instructions for details on optimumspeed selection 5 Replace only with a 3 AMP fuse 6 Auxiliary...

Page 14: ...r motor BLWM speed by sensing only G for low cool speed and Y2 for high cool speed 2 The EAC terminals EAC 1 and EAC 2 are ener gized with 115v when the blower motor BLWM is operating on either coolin...

Page 15: ...al gas supplier b Obtain yearly specific gravity average from local gas supplier c Verify furnace model Table 9 can only be used for model 330AAV Furnaces d Find installation altitude in Table 9 NOTE...

Page 16: ...t connections See Fig 12 This keeps furnace locked in high heat operation Repeat items h through k for high heat operation EXAMPLE High heat operation at 0 2000 ft altitude Furnace input from rating p...

Page 17: ...3 6 1 5 44 3 8 1 6 43 3 4 1 4 43 3 5 1 5 43 3 6 1 5 2001 825 44 3 4 1 4 44 3 5 1 5 44 3 7 1 5 44 3 8 1 6 43 3 4 1 4 to 850 44 3 2 1 4 44 3 3 1 4 44 3 4 1 5 44 3 6 1 5 44 3 7 1 5 3000 875 45 3 7 1 6 4...

Page 18: ...4 750 45 3 4 1 4 45 3 5 1 5 45 3 6 1 5 45 3 7 1 6 45 3 8 1 6 775 45 3 2 1 3 45 3 3 1 4 45 3 4 1 4 45 3 5 1 5 45 3 6 1 5 5001 800 47 3 5 1 5 47 3 6 1 5 45 3 2 1 3 45 3 3 1 4 45 3 4 1 4 825 48 3 8 1 6...

Page 19: ...Pressure High Low U S A Only 600 45 3 4 1 4 45 3 5 1 5 45 3 6 1 5 45 3 7 1 6 45 3 8 1 6 625 47 3 7 1 6 45 3 2 1 4 45 3 3 1 4 45 3 4 1 4 45 3 5 1 5 8001 650 47 3 4 1 4 47 3 5 1 5 47 3 6 1 5 45 3 2 1 3...

Page 20: ...TE CU FT HR SECONDS FOR 1 REVOLUTION SIZE OF TEST DIAL SECONDS FOR 1 REVOLUTION SIZE OF TEST DIAL 1 cu ft 2 cu ft 5 cu ft 1 cu ft 2 cu ft 5 cu ft 10 11 12 13 14 360 327 300 277 257 720 655 600 555 514...

Page 21: ...normal start up allow furnace to operate for 2 minutes then block flue outlet 100 percent Furnace should cycle off within 2 minutes d Remove blockage and reconnect vent connector to furnace flue coll...

Page 22: ...22...

Page 23: ...23...

Page 24: ...video based formats and materials All include video and or slides plus companion book Classroom Service Training plus hands on the products in our labs can mean increased confidence that really pays d...

Reviews: