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271002-UUM-A-0407

10

Unitary Products Group

SECTION III: REPLACEMENT PARTS LIST

39

29

38,43

21

25

35

31

27

23

22

20

24

30

44

26

53

42

28

18

2

4

11

6

9

5

17

16

12

7

8

3

12A

7

36

25

37

12

20

11

Содержание AHV8 UH Series

Страница 1: ...t or the furnace if deemed necessary FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury death or prop erty damage Do not store or use gasoline or other f...

Страница 2: ...he ducts ter minate outside the space containing the furnace 4 Examine the furnace casing making sure the physical support is sound without sagging cracks or gaps Examine the furnace base making sure...

Страница 3: ...s 1 STOP Read the safety information above 2 Set the thermostat to the lowest setting 3 Turn off all electric power to the appliance 4 Remove burner door 5 Move gas control switch to the OFF position...

Страница 4: ...with cleanable filter s at this time Cleanable filter s may be cleaned as described in the manufacturer instructions or as described below and then re installed To replace the filter after cleaning y...

Страница 5: ...et Remove this screw before proceeding 3 Unplug the vent motor wires and ground wire Remove the pres sure switch tubing at the tap on the vent motor housing NOTE It is recommended that replacement gas...

Страница 6: ...e Y2 circuit for high cooling CONTROL BOARD Variable speed motors will adjust the motor speed in order to maintain the indoor fan CFM The control board is used to control the blower speed thus the CFM...

Страница 7: ...higher speed will take 30 seconds and any ramp down to a lower speed or off will take 60 seconds Tap D is the normal profile best suited for most of the country where neither excessive humidity nor ex...

Страница 8: ...out Low gas pressure faulty gas valve faulty hot surface ignitor or burner problem may cause this The furnace will lock out for one hour and then restart 8 RED FLASHES This fault is indicated if the f...

Страница 9: ...DUCER LOW STAGE PRESSURE SWITCH HSI 1ST STAGE MAIN VALVE FLAME SENSE LOW CIRCULATOR HEAT SPEED 1ST STAGE LOW PRESSURE SWITCH CLOSE RECOGNITION HSI WARM UP 17 SEC IGNITION ACTIVATION PERIOD 4 SEC TRIAL...

Страница 10: ...271002 UUM A 0407 10 Unitary Products Group SECTION III REPLACEMENT PARTS LIST 39 29 38 43 21 25 35 31 27 23 22 20 24 30 44 26 53 42 28 18 2 4 11 6 9 5 17 16 12 7 8 3 12A 7 36 25 37 12 20 11...

Страница 11: ...ITER 22 DECK BLOWER Rear 23 DECK FRONT 24 HEAT EXCHANGER ASS Y 25 MANIFOLD GAS 26 PANEL UPPER ACCESS Burner Magnet FABRICATED PARTS Continued 27 PAN BASE 28 PANEL BLOWER ACCESS Magnet 29 PANEL TOP 30...

Страница 12: ...1BR0121 BOTTOM RETURN FILTER KIT 1 FILTER 21 CABINETS 1BR0221 BOTTOM RETURN FILTER KIT 1 4 FILTER 21 CABINETS 1BR0124 BOTTOM RETURN FILTER KIT 1 FILTER 24 1 2 CABINETS 1BR0224 BOTTOM RETURN FILTER KIT...

Страница 13: ...271002 UUM A 0407 Unitary Products Group 13 SECTION IV WIRING DIAGRAM FIGURE 9 Wiring Diagram...

Страница 14: ...271002 UUM A 0407 14 Unitary Products Group NOTES...

Страница 15: ...271002 UUM A 0407 Unitary Products Group 15 NOTES...

Страница 16: ...to products installed in the United States and Canada EXCLUSIONS This warranty does not cover any 1 Shipping labor or material charges 2 Damages resulting from transportation installation or servicing...

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