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Page 5

CBX25UH SERIES

5. If the unit is suspended, the entire length of the cabinet

must be supported. If you use a chain or strap, use a
piece of angle iron or sheet metal attached to the unit
(either above or below) to support the length of the
cabinet. Use securing screws no longer than 1/2 inch
to avoid damaging the coil or filter. See figure 2. Use
sheet metal screws to connect the return and supply
air plenums as required.

RIGHT-HAND AIR DISCHARGE

For horizontal right-hand air discharge, the following field
modifications are required.

1. Remove and set aside blower and coil access covers.

2. Remove bracket(s) securing pan(s) to unit as

illustrated in figures 4 and 5.

REMOVE BRACKET

SECURING MAIN

DRAIN PAN TO UNIT.

Figure 4. Remove Main Drain Pan Mounting Bracket

(-018 through -036)

REMOVE BRACKETS

SECURING BOTH

DRAIN PANS TO UNIT.

Figure 5. Remove Horizontal and Main Drain Pan

Mounting Brackets (-042 through -060)

3. Remove coil assembly, bottom drain pan and

horizontal drain pan as one assembly from the air
handler.

4. Move the horizontal drain pan to the opposite side of

the coil. Be sure drain holes toward the back of the unit
are plugged. Remove the plugs from the front drain
pan ports.

5. Re-install modified coil/drain pan assembly in air

handler in the same orientation as before (figures 6
and 7).

INSTALL BRACKET
SECURING MAIN
DRAIN PAN TO UNIT.

Figure 6. Install Main Drain Pan Mounting Bracket

(-018 through -036)

REMOVE BRACKETS
SECURING BOTH
DRAIN PANS TO UNIT.

Figure 7. Install both Horizontal and Main Drain Pan

Brackets  (-042 through -060)

6. Remove two screws securing the blow-off prevention

bracket. Rotate the brackets 180º and reinstall using
the same screws. See figure 8.

Содержание CBX25UH Series

Страница 1: ...12 Table of Contents Shipping and Packing List 1 CBX25UH Series Units 1 Requirements 3 Installation Clearances 3 Installation 4 Condensate Drain 6 Duct System and Filters 7 Connecting Refrigerant Line...

Страница 2: ...4 451 17 432 16 1 2 419 20 3 4 527 16 406 5 1 2 140 40 1 2 1029 18 1 2 470 22 559 6 152 14 357 5 1 2 140 13 1 2 343 17 3 4 451 17 432 16 1 2 419 20 3 4 527 16 406 3 5 8 92 inches mm inches mm inches m...

Страница 3: ...tely assembled The unit is provided with flanges for the connection of the duct system Do not remove the cabinet knockouts until it has been determined which knockouts will need to be removed for the...

Страница 4: ...that is at least 14 from the floor This will allow proper air return HORIZONTAL DRAIN PAN IMPORTANT REMOVE PAN FOR BEST EFFICIENCY AND AIR FLOW UPFLOW DRAIN PAN UPFLOW DRAIN CON NECTIONS BOTH SIDES U...

Страница 5: ...Drain Pan Mounting Bracket 018 through 036 REMOVE BRACKETS SECURING BOTH DRAIN PANS TO UNIT Figure 5 Remove Horizontal and Main Drain Pan Mounting Brackets 042 through 060 3 Remove coil assembly bott...

Страница 6: ...OR J TRAP 3 4 OVERFLOW DRAIN AIR HANDLER DRAIN PAN WHEN A COIL IS LOCATED ABOVE A FINISHED SPACE A 3 4 19 1MM SECONDARY DRAIN LINE MUST BE S CONNECTED TO SECONDARY DRAIN PAN OR S CONNECTED TO THE OVE...

Страница 7: ...trap in the primary drain lines as close to the unit as practical see figure 9 Make sure the top of the trap is below the connection to the drain pan to allow complete drainage of the pan NOTE Horizon...

Страница 8: ...he suction and liquid lines from the fittings on the indoor coil to the fittings on the outdoor unit Run the lines in as direct a path as possible avoiding unnecessary turns and bends 2 Make sure that...

Страница 9: ...oltage S The power supply must be sized and protected according to the specifications supplied on the product S This air handler is factory configured for 240 volt single phase 60 cycles For 208 volt...

Страница 10: ...rating of the air handler If the outdoor unit is smaller than the maximum cooling capacity rating for the air handler the cooling blower speed may need to be changed Refer to blower performance chart...

Страница 11: ...d Med Blue High Black 510 670 905 495 650 865 475 630 820 420 595 770 325 505 705 24 Low Red Med Blue High Black 630 885 1130 625 875 1100 615 850 1070 610 820 1010 580 780 950 30 Low Red Med Blue Hig...

Страница 12: ...not call for heat Allow up to 5 minutes for all sequencers to cycle off Operation TIME DELAY RELAY Blower time delay operation 1 When cooling demand is initiated there is a 1 second motor on delay 2 A...

Страница 13: ...corrected Contact a qualified service technician Cabinet Insulation IMPORTANT DAMAGED INSULATION MUST BE REPAIRED OR REPLACED before the unit is put back into operation In sulation loses its insulati...

Страница 14: ...Duct Temperature ___________ THERMOSTAT Adjusted and Programmed Return External Static ______ ______ Total External Static ______ ______ 6 Supply Duct Temperature ___________ Temperature Drop _______...

Страница 15: ...Total External Static ______ ______ 6 6 Supply Duct Temperature ___________ Temperature Drop ___________ TEMPERATURE RISE Heating Mode Return Duct Temperature __________ Supply Duct Temperature ______...

Страница 16: ......

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