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Страница: 3 / 39

507746-01

Issue 1821

Page 3 of 39

LIQUID

LINE

SUCTION

LINE

Supply

Air

Opening

FILTER

LOW VOLTAGE

INLETS (BOTTOM

AND RIGHT

SIDE)

TOP VIEW

FRONT VIEW

BLOWER

LIQUID

LINE

SUCTION

LINE

CONDENSATE

DRAINS (2)

(UP-FLOW

AND

DOWN-FLOW)

CONDENSATE

DRAINS (2)

(HORIZONTAL)

Coil

3/4 (19)

‐

1/2

(38)

‐

3/4

(44)

‐

3/4

(46)

(51)

‐

1/8

(29)

RETURN AIR

OPENING

5/8 (16)

END VIEW

AIR

FLOW

OPTIONAL ELECTRIC

HEAT (FIELD-INSTALLED)

‐

1/16

(281)

LINE VOLTAGE

INLETS (TOP

AND RIGHT

SIDE)

‐

3/8

(137)

‐

3/8

(111)

LIQUID

LINE

SUCTION

LINE

Supply

Air Opening

FILTER

LOW VOLTAGE

INLETS (TOP AND

LEFT SIDE)

END VIEW

BLOWER

Coil

3/4 (19)

Return

Air Opening

5/8 (16)

END VIEW

Air Flow

OPTIONAL ELECTRIC

HEAT (FIELD INSTALLED)

LINE VOLTAGE INLETS

(BOTTOM AND LEFT SIDE)

Horizontal Position

(Right

‐

Hand Air

Discharge)

FILTER ACCESS

‐

3/4

(146)

‐

1/2 (38)

‐

3/4

(44)

CONDENSATE DRAINS (2)

(HORIZONTAL)

5/8 (16)

1 (25)

‐

1/16

(281)

PIPING PLATE

DETAIL

LIQUID

LINE

SUCTION LINE

(51)

‐

1/8

(29)

‐

3/8

(137)

‐

3/8

(111)

PIPING PLATE

DETAIL

Horizontal Position

(Left

‐

Hand Air

Discharge)

TOP VIEW

FRONT VIEW

3/4 (19)

END VIEW

FOR DIMENSIONS “A” THROUGH

“H”, SEE CHART ON PAGE 2.

Horizontal Left- and Right-Hand Discharge Unit Dimensions – Inches (mm)

Содержание BCE7S Series

Страница 1: ...LINKS GUIDE ON PAGE 19 Save these instructions for future reference INSTALLATION INSTRUCTIONS BCE7S Series Air Handler P 507746 01 P507746 01 Manufactured By Allied Air Enterprises LLC A Lennox Intern...

Страница 2: ...AIR TOP VIEW FRONT VIEW SIDE VIEW BLOWER A B C 11 1 16 281 F D E COIL 5 8 16 5 8 16 5 8 16 5 8 16 5 8 16 LOW VOLTAGE RIGHT SIDE LINE VOLTAGE LEFT SIDE DOWN FLOW POSITION 1 25 UP FLOW POSITION CONDENS...

Страница 3: ...ly Air Opening FILTER LOW VOLTAGE INLETS TOP AND LEFT SIDE END VIEW BLOWER B C D Coil 3 4 19 3 4 19 3 4 19 Return Air Opening F E 5 8 16 5 8 16 5 8 16 END VIEW Air Flow OPTIONAL ELECTRIC HEAT FIELD IN...

Страница 4: ...while handling this equipment and wear gloves and protective clothing CAUTION A thermostat is not included and must be ordered separately A Comfort Sync thermostat must be used in communicating appli...

Страница 5: ...han 24 inches 610 mm allow a minimum of the cabinet depth plus 2 inches 51 mm Table 1 Installation Clearances This unit must be matched with an indoor coil as specified in the AHRI Database Coils prev...

Страница 6: ...urn air plenum on a stand that is at least 14 from the floor to allow for proper air return An optional upflow unit stand as listed in Table 2 is available Model Kit Number All unit sizes 45K32 Table...

Страница 7: ...NT VIEW END VIEW ANGLE IRON OR SHEET METAL ELECTRICAL INLET CLEARANCE 4 102 mm 1 2 SCREWS MAXIMUM Figure 3 Suspending Horizontal Unit Horizontal Left Hand Discharge Application NOTE For horizontal app...

Страница 8: ...ration of humid air 9 Knock out drain seal plate from access door Secure plate to cabinet front flange with screw provided 10 Flip access door and replace it on the unit 11 Set unit so that it is slop...

Страница 9: ...PROPERLY SIZED FLOOR OPENING AIR HANDER UNIT Figure 9 Downflow Combustible Flooring Base 8 For downflow installation on combustible flooring an additive base must be used as illustrated in Figure 9 D...

Страница 10: ...to protect against burns Wash hands with soap and water after handling brazing alloys and flux CAUTION To prevent the build up of high levels of nitrogen when purging it must be done in a well ventila...

Страница 11: ...E REQUIREMENTS NOTE REFRIGERANT LINE SETS SHOULD BE ROUTED TO ALLOW FILTER ACCESSIBILITY NOTE BCE7S SERIES UNITS USE NITROGEN OR DRY AIR AS A HOLDING CHARGE IF THERE IS NO PRESSURE WHEN THE RUBBER PLU...

Страница 12: ...SECONDARY DRAIN PAN OR CONNECTED TO THE OVERFLOW DRAIN OUTLET OF THE AIR HANDLER DRAIN PAN TRAPS MUST BE DEEP ENOUGH TO OFFSET MAXIMUM STATIC DIFFERENCES GENERALLY TWO INCHES 51MM DRAIN LINE SHOULD S...

Страница 13: ...ure which results in water blow off problems This is especially important when the unit is installed in an unconditioned area Make sure the liquid line and suction line entry points are sealed with ei...

Страница 14: ...507746 01 Issue 1821 Page 14 of 39 Figure 14 BCE7S Air Handler Unit Typical Wiring Diagram...

Страница 15: ...R W3 H W2 W2 W1 W1 W1 O O O L L Y1 Y1 Y1 Y2 Y2 G G C C C T T D B Y2 DS O D SENSOR X2658 Y2 OUT BL 1 1 CUT ON BOARD LINK R O CUT ON BOARD LINK R DS WHEN DEHUMIDIFICATION TERMINAL IS USED CUT ON BOARD L...

Страница 16: ...OL SEE FIGURE 19 BCE7S JUMPER AND LINK GUIDE FOR FURTHER DETAILS Figure 17 Control Field Wiring Cooling Application Humidification Control and Second Stage Outdoor Fan Relay Wiring Non Communicating F...

Страница 17: ...n communicating and non communicating control connections and wire run lengths Label Label Function Thermostat R 24VAC i RSbus data high connection i RSbus data low connection C 24VAC command ground O...

Страница 18: ...RV or ERV to ensure indoor blower demand C The C terminal shall interconnect the signal ground of the room thermostat with secondary transformer ground TR and chassis ground GND R The R terminal shall...

Страница 19: ...UT ON H FOR HUMIDIFIER OR ACCESSORY INTERLOCK SMART AUTO SMART AUTO COOLING MODE BLOWER SPEED HIGH SPEED MEDIUM LOW SPEED LOW SPEED 1 2 3 4 MEDIUM HIGH SPEED 1 2 3 4 1 2 3 4 1 2 3 4 COOLING HP MODE HE...

Страница 20: ...al on the thermostat block Configurations are as follows If jumper is installed in SMART Humidification position Default H terminal is active if heat demand is present and indoor blower is running If...

Страница 21: ...and motor runs at 100 until demand is satisfied D Once demand is met motor runs at 50 for 30 seconds E Motor ramps down to stop Display An on board single character LED display see Figure 19 for LED d...

Страница 22: ...andler model size and capacity Blinking P 1 When the correct Unit Sized Code is displayed RELEASE push button Selected code will ash for 10 second period 2 During ten second period HOLD push button un...

Страница 23: ...sensors the alarm will be sent if valid temperature reading is lost Compare outdoor sensor resistance to temperature resistance charts in unit installation instructions Replace sensor pack if necessa...

Страница 24: ...heat Either the pilot relay contacts did not close or the relay coil in the electric heat section did not energize Heat section stage 1 failed Pilot relay contacts did not close or the relay coil in...

Страница 25: ...880 1100 1320 NORM 600 800 1000 1200 600 800 1000 1200 540 720 900 1080 540 720 900 1080 NOTES The effect of static pressure filter and electric heater resistance is included in the air volumes liste...

Страница 26: ...2055 2145 NORM 1425 1625 1805 2005 1425 1625 1805 2005 1205 1375 1555 1725 1205 1375 1555 1725 NOTES The effect of static pressure filter and electric heater resistance is included in the air volumes...

Страница 27: ...and indoor air handler follow thermostat demand BASIC MODE only active on a Y1 thermostat demand Normal Operation 1 On On On Acceptable 24 VAC High 100 Thermostat energizes Y1 and de energizes D on a...

Страница 28: ...when humidity is greater than setpoint Dehumidification demand 2 On On On On Demand 0 VAC High 70 Dehumidification demand ONLY 1 On On On On Demand 0 VAC High 70 Thermostat will keep outdoor unit ene...

Страница 29: ...handler control will automatically de energize higher heat sections Indoor blower will immediately deliver CFM as set by heating mode jumper on air handler control with activation of first electric h...

Страница 30: ...r control to display unit size code letter or number for each air handler model for three seconds Yes No IMPORTANT Field replacement controls may need to be manually configured to validate air handler...

Страница 31: ...t electric heat 22 volt DC relay coils are energizing A If relay coil current is detected within ten seconds air handler control will show a 1 on the single character LED display indicating that the f...

Страница 32: ...indoor blower CFM settings are identical for cooling and heat pump 2 Set Blower Adjust Selection jumper pin 3 Set Cooling Mode Blower Ramping jumper pin Cooling calls All ramping profiles are active H...

Страница 33: ...ir handler control De energize indoor blower per ramping profile No Yes Air handler control on board link must be cut between Y1 and Y2 to allow two stage cooling operation Air Handler Control AHC Ind...

Страница 34: ...s appear then release button To clear error codes stored in memory continue to hold push button while the solid three horizontal bars are displayed Release button when solid is displayed Solid c start...

Страница 35: ...he indoor blower relay energizes The normally open contacts close causing the indoor blower motor to operate The circuit between R and Y is completed closing the circuit to the contactor in the outdoo...

Страница 36: ...rrounding ambient air will affect the inside surface temperature of the cabinet The temperature humidity difference between the inside and outside of the cabinet can cause condensation on the inside o...

Страница 37: ...y pan been provided under the unit with separate drain for units installed above a finished ceiling or in any installation where condensate overflow could cause damage Have ALL unused drain pan ports...

Страница 38: ...ng Mode Return Duct Temperature ___________ THERMOSTAT Adjusted and Programmed Return External Static ______ ______ Total External Static ______ ______ 6 Supply Duct Temperature ___________ Temperatur...

Страница 39: ..._____ Total External Static ______ ______ 6 6 Supply Duct Temperature ___________ Temperature Drop ___________ TEMPERATURE RISE Heating Mode Return Duct Temperature __________ Supply Duct Temperature...

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