Lennox LS25 Series Скачать руководство пользователя страница 4 | Manualshive

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Page 4

A

C

ADJUSTABLE

LOUVERS

TOP VIEW

ELECTRICAL INLETS

FLUE OUTLET

(4) 3/8-16 MOUNTING NUTS

FOR UNIT SUSPENSION

FRONT VIEW

AIR

FLOW

SIDE VIEW

COMBUSTION AIR

INDUCER

DIRECT DRIVE FAN

GAS VALVE

HEAT

EXCHANGER

31-7/8

(810)

14-1/8

(356)

1/2 (13)

35-1/4

(895)

2-5/8 (67)

3-1/8 (79)

1/2 (13)

1/2 (13)

3-1/8 (79)

COMBUSTION

AIR INLET

(TOP ORIENTATION)

COMBUSTION

AIR INLET

(BOTTOM

ORIENTATION)

D

D

B

16 (406)

1/2

(13)

5-3/8

(137)

10-1/2

(267)

3

(76)

10-3/4

(273)

LS25-250-300-350-400 (DUAL FANS)

Model

No.

A

B

C

D

in.

mm

in.

mm

in.

mm

in.

mm

LS25-250

LS25-300

37-5/8

956

36-1/2

927

15-7/8

403

12-1/2

318

LS25-350

LS25-400

47

1194

45-3/4

1162

20-1/2

521

18-7/8

479

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Содержание LS25 Series

Страница 1: ... cause property damage personal injury or loss of life Installation and service must be performed by a licensed professional installer or equivalent service agency or the gas supplier CAUTION As with any mechanical equipment personal injury can result from contact with sharp sheet metal edges Be careful when you handle this equipment Note Unit heaters are designed for indoor use only RETAIN THESE ...

Страница 2: ...rovided and field installed 6 diameter on 350 400 provided and field installed Bag assembly containing 1 Warranty card 1 Brand logo badge 8 10 16 X 5 8 SDST screws 2 Wire ties The heater is shipped completely assembled Check the unit for shipping damage The receiving party should contact the last carrier immediately if any shipping damage is found COMBUSTION AIR BOX UNIT HEATER BAG ASSEMBLY FLUE T...

Страница 3: ...1 2 13 5 3 8 137 B 1 2 13 31 7 8 810 14 1 8 356 35 1 4 895 10 1 2 267 2 1 2 64 3 1 8 79 3 76 10 3 4 273 FLUE OUTLET COMBUSTION AIR INLET TOP ORIENTATION COMBUSTION AIR INLET BOTTOM ORIENTATION D 1 2 13 3 1 8 79 1 2 13 LS25 125 150 175 200 SINGLE FAN Model No A B C D in mm in mm in mm in mm LS25 125 LS25 150 19 1 2 495 18 1 2 470 6 3 4 171 5 3 4 146 LS25 175 LS25 200 25 635 23 3 4 603 9 1 2 241 6 1...

Страница 4: ...31 7 8 810 14 1 8 356 1 2 13 35 1 4 895 2 5 8 67 3 1 8 79 1 2 13 1 2 13 3 1 8 79 COMBUSTION AIR INLET TOP ORIENTATION COMBUSTION AIR INLET BOTTOM ORIENTATION D D B 16 406 1 2 13 5 3 8 137 10 1 2 267 3 76 10 3 4 273 LS25 250 300 350 400 DUAL FANS Model No A B C D in mm in mm in mm in mm LS25 250 LS25 300 37 5 8 956 36 1 2 927 15 7 8 403 12 1 2 318 LS25 350 LS25 400 47 1194 45 3 4 1162 20 1 2 521 18...

Страница 5: ...Page 5 ...

Страница 6: ... jurisdiction should be consulted before installation The installation must conform with local building codes or in the absence of local codes with the current edition of CSA B149 installation compliance codes All electrical wir ing and grounding for the unit must also comply with the current edition of CSA C22 1 Canadian Electrical Code These unit heaters are CSA certified for the installation cl...

Страница 7: ...o depress spring and release locking tab on the other end locking tab keeps the louver in place for shipping 2 Rotate louvers to direct airflow as desired 3 Cut threaded rods to desired length and slide a 3 8 nut onto the rod TABLE 1 UNIT CLEARANCES TO COMBUSTIBLE MATERIALS Unit Top Side Bottom Back Flue in mm in mm in mm in mm in mm 125 400 6 152 18 457 1 25 18 457 6 152 TABLE 2 MAXIMUM MOUNTING ...

Страница 8: ...PIPE AS SHOWN REMOVE AND DISCARD SHIPPING BRACKETS COMBUSTION AIR BOX TWO COMBUSTION AIR BOX BRACKETS ONE ON EACH SIDE COMBUSTION AIR BOX BRACKET TWO ON 250 400 UNITS FOUR SHIPPING BRACKETS TWO ON EACH SIDE IMPORTANT REPLACE TWO SCREWS ON EACH SIDE AFTER DISCARDING THE COMBUSTION AIR BOX BRACKETS FIGURE 2 FIGURE 3 ...

Страница 9: ...Page 9 COMBUSTION AIR INTAKE FLANGE CONNECTOR SHIPPED FACING THE INSIDE OF THE BOX TURN DOWNWARD TO ACCEPT THE VENT PIPE AS SHOWN FIGURE 4 ...

Страница 10: ...the unit by the approval agencies Concentric venting is not approved for use in either vertical or horizontal vent applications A single wall vent connector may be used between the furnace and the vertical vent pipe in all applications how ever single wall vent material cannot be used for vertical vent piping in residential applications UL ap proved Category III venting materials must be used in a...

Страница 11: ...edition of ANSI Z223 1 or CSA B149 installation compliance codes for maximum vent and vent connector lengths 4 The entire length of a single wall metal vent connector shall be readily accessible for inspection cleaning and replacement 5 Single wall vent pipe used as vertical vent in commercial applications must not pass through any attic interior wall concealed space or floor 6 Theunitmaybeventedv...

Страница 12: ...t outlet must be 3 feet 1m within a height 15 feet above the meter regulator assembly and 3 feet to a service regulator vent Refer to latest editions of theANSI Z223 1 or CSA B149 for installation compliance codes and with local author ities with jurisdiction 10 Vent termination clearance to an unvented soffit or within 2 feet horizontally of a ventilated soffit must be in accordance with local in...

Страница 13: ...HAUST TERMINATION horizontal or vertical EXHAUST VENT TERMINATION TEE COMBUSTION AIR INLET TEE FIGURE 6 CONDENSATE DRAIN THROUGH TEE PIPE AND DRAIN LOOP DOWNWARD SLOPE ON HORIZONTAL VENT Category III adaptor must be installed before optional elbow if used DRAIN LOOP WITH WATER TRAP TO CONDENSATE DRAIN Provided by installer NOTE Minimum horizontal vent length is 3 ft This does not include terminati...

Страница 14: ... shall terminate above the roof surface with a listed cap or a listed roof assembly in accordance with the terms of their respective listings and the vent manufacturer s instructions 4 Do not install a manual damper barometric draft regulator or flue restrictor between the unit heater and the chimney 5 If type B1 double wall vent is used inside a chimney no other appliance can be vented into the c...

Страница 15: ...pipe 6 After it has been determined that each appliance remaining connected to the common venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous condition of use 7 If improper venting is observed during any of the above tests the common venting system must be corrected The common venting ...

Страница 16: ...s must be wrapped in electrical tape to avoid damage to the electrical system 2 Make line voltage connections as shown in figure 10 Connect wires to 2 pin P366 plug located on the A3 ignition control board For ease of installation disconnect P366 plug from J366 make wire connections and replace P366 Refer to wiring diagram on unit and the appropriate typical diagram in this manual HIGH VOLTAGE WIR...

Страница 17: ...HT RE D 4 CAI N 1 CAI L 1 W HT BL K BLK W HT BLU YEL COM P 001 GND Gr oundi ng Poi nt 4 GND BOARD GRN YEL BLK W HT GRN YEL W HT W HT GRY W HT 538025 02 1 0 538025 02 HI GH VOLTAGE POW ER CONNECTI ONS I GN CTRL A3 1 LOW VOLTAGE THERM OSTAT CONNECTI ONS HEAT W 1 3 9 24VAC I N P368 1 J 368 7 5 4 8 11 12 6 2 P364 P365 P363 L1 P367 J 367 1 3 5 6 R 24V COM M ON C 24V POW ER R BLOW ER G G C P366 W 2 W 1 ...

Страница 18: ...XFM R L1 HI 2 1 R C N W HT RE D 4 CAI N 1 CAI L 1 W HT BL K BLK W HT BLU YEL COM P 001 GND Gr oundi ng Poi nt 4 GND BOARD GRN YEL BLK W HT GRN YEL W HT W HT W HT GRY W HT BRN 538024 02 1 0 538024 02 I GN CTRL A3 1 FI ELD PROVI DED POW ER W I RI NG CONNECT TO P366 AND GREEN GROUND SCREW LOCATED I NSI DE UNI T LOW VOLTAGE THERM OSTAT CONNECTI ONS HEAT W 2 HEAT W 1 3 9 24VAC I N P368 1 J 368 7 5 4 8 ...

Страница 19: ...shed by installer be installed external to the unit Union must be of the ground joint type A drip leg should be readily accessible to per mit cleaning and emptying See figure 11 NOTE If a switch box is mounted over electrical knock outs on back of unit leave a minimum of 4 102mm clearance between switch box and drip leg A 1 8 NPT plugged tap shall be installed immediately up stream of the gas supp...

Страница 20: ...n the building there may be smoke on start up WARNING Danger of explosion Can cause injury or product or property damage You must follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor Use only your hand to move the switch Never use tools If the switch will no...

Страница 21: ...he ignition sensor proves the flame and the combustion process continues 5 In the event that the flame is not detected after the first 10 second trial for ignition the controller will repeat steps 3 and 4 an additional two times before locking out the gas valve Ignition control will then automatically repeat steps 3 4 and 5 after 60 minutes NOTE To interrupt the 60 minute lockout period move therm...

Страница 22: ... four percent per 1000 feet for in stallation above 2000 feet The de rate may be accom plished by adjusting the manifold pressure Refer to table 8 for natural gas manifold pressures and the Engineering Handbook for high altitude kit part numbers TABLE 8 US NATURAL GAS MANIFOLD PRESSURES inch w g kPa Unit Altitude in Feet Meters 0 2000 0 610 2001 3000 610 914 3001 4000 915 1219 4001 5000 1220 1524 ...

Страница 23: ...in supply valve 4 Ignite unit and let run for 5 minutes to allow for steady state conditions 5 After allowing unit to stabilize for 5 minutes record supply pressure NOTE On multiple unit installations each unit should be checked separately with and without other units operating Sup ply pressures on both single and multiple unit installations must fall within range listed on the rating plate 6 Shut...

Страница 24: ...cks out again call service technician to inspect unit 7 Is pressure switch closed Obstructed flue will cause unit to shut off at pressure switch Check flue passage and outlet SAFETY SHUT OFF VALVE TEST The safety shut off valve test procedure is as follows 1 Turn off the manual gas valve 2 Set the thermostat to call for heat 3 System begins normal sequence of operation 4 After approximately 30 sec...

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