Bryant 547J Installation Instructions Manual Download Page 5 | Manualshive

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5

Fig. 3 —

EconoMi$er

®

X Assembly Installed on HVAC

Unit (CRECOMZR067A01 Shown)

Fig. 4 —

EconoMi$er X Flange Installation

(CRECOMZR067A01 and CRECOMZR069A01)

Fig. 5 —

Connect EconoMi$er X Harness to Unit PL6

Economizer Harness

Fig. 6 —

Typical Indoor Fan Motor Access Panel

Locations

NOTE: Some control box configurations may differ.

Fig. 7 —

Mount Controller Assembly in Unit Control

Box

Fig. 8 —

Unplug ECON Plug from Central Terminal

Board (CTB)

HVAC Unit Filters

Insert
Screw in
EconoMi$er X
Flanges

Wiring
Harness

EconoMi$er X

Unit Filter
Rack

Unit Base

Economi$er X

Hold Down Tab

Economi$er X Rear Flange

Economi$er X

Rooftop Unit’s
12-Pin Male Plug

EconoMi$er X
12-Pin Female Plug

Indoor Fan Motor
Access Panel

Unit Control
Box Panel(S)

Center Post

Unplug
ECON Plug

«
...
3
4
5
6
7
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Summary of Contents for 547J

Page 1: ...in handling and installing this accessory It is important to recognize safety information This is the safety alert symbol When you see this symbol on the unit and in instructions or manuals be alert to the potential for personal injury Understand the signal words DANGER WARNING CAUTION and NOTE These words are used with the safety alert symbol DANGER identifies the most serious hazards which will ...

Page 2: ... Table 4 for package contents See Table 5 for sensor usage IMPORTANT These economizers meet all the economizer requirements as specified in ASHRAE 90 1 IECC and California s Title 24 Economizer must be installed square to avoid damper leakage or damper binding Squareness tolerance is 1 32 in IMPORTANT Read these instructions completely before attempting to install the accessory economizer Table 1 ...

Page 3: ...r 1 50HE403859 2 green wire harness for mixed air temperature sensor 1 48TMHSRSE A20 4 Wire Harness 1 Hood Assembly with Top and 2 Sides 1 Hood Divider 1 Hood Filter Divider 2 Aluminum Filters 1 Hardware Bag Table 5 EconoMi er X Sensor Usage APPLICATION ECONOMI ER X WITH OUTDOOR AIR DRY BULB SENSOR Accessories Required Outdoor Air Dry Bulb HH79AH001 outdoor air dry bulb sensor is factory installed...

Page 4: ...0 pin female plug from the controller harness to ECON on the CTB See Fig 10 and page 9 14 Connect the White wire from the controller harness to the W1 terminal on the CTB See Fig 10 and page 9 15 Connect the red and brown wires from the controller harness to the CTB See Fig 11 and page 9 The red wire connects to R on the CTB and the brown wire connects to C 16 Locate the green wire with yellow str...

Page 5: ... Some control box configurations may differ Fig 7 Mount Controller Assembly in Unit Control Box Fig 8 Unplug ECON Plug from Central Terminal Board CTB HVAC Unit Filters Insert Screw in EconoMi er X Flanges Wiring Harness EconoMi er X Unit Filter Rack Unit Base Economi er X Hold Down Tab Economi er X Rear Flange Economi er X Rooftop Unit s 12 Pin Male Plug EconoMi er X 12 Pin Female Plug Indoor Fan...

Page 6: ...10 Connect 10 Pin Plug to Central Terminal Board Fig 11 Connect Red and Brown Wires to Central Terminal Board Fig 12 Connect Ground Wire From Controller Central Terminal Board White Wire 10 Pin Female Plug from Controller Central Terminal Board ...

Page 7: ...d Connect Mixed Air Sensor Fig 16 Connect Pink and Violet Wires in Indoor Blower Section 4 pin Male Plug From Controller 48TMHSRSE A20 Harness Control Box 48TMHSRSE A20 Harness Indoor Blower Section Brown and Orange wires from 48TMHSRSE A20 Harness Indoor Blower Mixed Air Temperature Sensor 50HE403589 2 Green Wire Harness Pink and Violet Wires from 48TMHSRSE A20 Harness Indoor Blower ...

Page 8: ...A01 30 37 17 43 19 05 29 50 55 CRECOMZR069A01 40 37 22 28 24 48 36 27 80 CRECOMZR071A01 52 92 27 03 33 41 46 92 98 A B C Hood Top And Side Assembly Hood Divider D Hood Filter Divider Hood Top Filter Clip Outside Air Cleanable Aluminum Filter Barometric Airflow Hood Divider EconoMi er X Hood Filter Door 0 500 1000 1500 2000 2500 0 0 05 0 1 0 15 0 2 0 25 0 3 RELIEF FLOW CFM RETURN DUCT STATIC PRESSU...

Page 9: ... one end and terminals on the other end Connect the plug from this harness to the MAT sensor See Fig 15 Connect the 2 spade terminals on the 50HE403859 harness to orange and brown wires in the indoor blower section wire bundle 9 Follow steps 21 through 25 earlier in these instructions Mixed Air Sensor Field Mount on Indoor Blower 1 HH79AH001 HONEYWELL C7250 Dry Bulb Outside Air Sensor 12 Pin Femal...

Page 10: ...g 24 Remove Complete Harness Factory Attached to W7220 Controller Fig 25 48TMHSRSE A20 Not Used on 48 50LC 07 12 Units Fig 26 Photo of 48LCHSRADH A00 W7220 Controller Harness Shipped with 48 50LC 07 12 Units ...

Page 11: ...11 Fig 27 48LCHSRADH A00 W7220 Controller Harness Shipped With 48 50LC 07 12 Units ...

Page 12: ...ld is 48LCHSRADH A00 harness which is shipped in the control box of 48 50LC 07 12 units and must be field connected to the W7220 controller provided with the economizer 2 Harness attached to the W7220 controller from the Carrier factory is removed and not used with 48 50LC 07 12 units ...

Page 13: ...for wiring Fig 29 Enthalpy Curve Boundaries Fig 30 HH57AC081 Dimensional Connection and Switching Information LEGEND Default Setting OFF OFF OFF IMPORTANT To use the HH57AC081 sensor for outside air sensor the dip switches on the sensor must be set to OFF OFF OFF See Table 8 ECONOMIZING AVAILABLE NOT AVAILABLE ENTHALPY RA HUM RH RA TEMP TEMPERATURE ABSOLUTE HUMIDITY ES5 ES4 ES3 ES2 ES1 HL P1 T RH ...

Page 14: ...value at 75 F and 50 relative humidity As an example at approximately 6 000 foot elevation the fixed enthalpy limit is approximately 30 7 Btu lb Demand Controlled Ventilation DCV Refer to EconoMi er X wiring diagrams Fig 23 and 28 and DCV instructions if demand control ventilation CO2 sensor is used CO2 sensor will wire into the blue and black connections at the controller as shown in Fig 23 28 an...

Page 15: ... that is acceptable to some codes is an annunciator light visible by service personnel See Fig 34 for typical wiring to the controller Refer to codes for proper labeling of light Fig 33 Thermostat Wired For Remote FDD Fig 34 Annunciator Light Wired for Remote FDD C R AUX2 1 OCC E GND EXH1 AUX1 0 Y2 I Y2 O Y1 I Y1 O C R W7220 ECONOMIZER U1 U1 R Rc C A L A TH8321R OR TH8321WF SUB BASE MAT Controller...

Page 16: ...nu parameter 10 Press the Menu Up Exit button to return to the previous menu Menu Structure Refer to Table 10 for summarized standard settings Table 11 illustrates the complete hierarchy of menus and parameters for the EconoMi er X system The menus in display order are STATUS SETPOINTS SYSTEM SETUP ADVANCED SETUP CHECKOUT ALARMS PROGRAMMING W7220 CONTROLLER The next several pages detail the differ...

Page 17: ...ble 10 Standard W7220 Controller Configuration for 1 or 2 Speed Unit CONTROLLER MENU ITEM FOR SINGLE SPEED UNIT FOR 2 SPEED UNITS NOTE DEFAULT SET TO DEFAULT SET TO SETPOINTS MAT SET 53 F 38 to 70 F 53 F 38 to 70 F LOW T LOCK 32 F 45 to 80 F 32 F 45 to 80 F DRYBLB SET 63 F 48 to 80 F 63 F 48 to 80 F Only displayed if using single DB OA sensor ENTH CURVE ES3 ES1 to ES5 ES3 ES1 to ES5 Only displayed...

Page 18: ...nd displays measured discharge temperature Displays_____ if sensor sends invalid value if not connected short or out of range OA TEMP nn F or C 40 to 140 F 40 to 60 C OUTSIDE AIR TEMPERATURE Displays measured value of outdoor air temperature Displays_____ if sensor sends invalid value if not connected short or out of range OA HUM nn 0 to 100 OUTSIDE AIR RELATIVE HUMIDITY Displays measured value of...

Page 19: ... 1 heat and 2 cool then set for LOW SPEED COOLING ventilation MIN POS M 5 4V 2 to 10 Vdc VENTILATION MINIMUM POSITION AT MEDIUM SPEED Only displays if unit is set for 3 speed with 1 heat and 2 cool and CO2 is not used Set for HEATING ventilation MIN POS H 4 4 V 2 to 10 Vdc VENTILATION MINIMUM POSITION AT HIGH SPEED Only displays if unit is set for 2 or 3 speed and CO2 is not used IF using 2 speed ...

Page 20: ...ITION Damper position when freeze protection is active CLO closed MIN MIN POS or VENTMIN CO2 ZERO 0 ppm 0 to 500 ppm increment by 10 CO2 ppm level to match CO2 sensor start level CO2 SPAN 2000 ppm 1000 to 3000 ppm increment by 50 CO2 ppm span to match CO2 sensor STG3 DLY 2 0 h 0 min 5 min 15 min then 15 min intervals Up to 4 h or OFF COOLING STAGE 3 DELAY Delay after stage 2 for cool has been acti...

Page 21: ... A Positions damper to the fully closed position CONNECT Y1 O N A N A Closes the Y1 O relay Y1 O CONNECT Y2 O N A N A Closes the Y2 O relay Y2 O CONNECT AUX1O N A N A Energizes the AUX1O output If Aux setting is NONE not action taken ERV 24 Vac out Turns on or signals an ERV that the conditions are not good for economizing but are for ERV operation SYS 24 Vac out Issues a system alarm Alarms displ...

Page 22: ...eturn to Minimum Damper position if indoor fan is running or fully closed if fan is off If accessory power exhaust is installed the power exhaust fan mo tors will be energized by the economizer control as the dampers open above the EXH1 SET setpoint and will be de energized as the dampers close below the EXH1 SET setpoint For single speed unit Damper movement from full closed to full open or vice ...

Page 23: ...V 24 V 24 V 0 V Y2 0 V 0 V 0 V 24 V 0 V W1 0 V 0 V 0 V 0 V 24 V SUPPLY FAN MOTOR SPEED SUPPLY FAN MOTOR SPEED OFF LOW LOW HIGH HIGH DAMPER POSITION No CO2 Sensor CLOSED MIN POS L MIN POS L MIN POS H MIN POS H W CO2 Sensor CLOSED FROM VENTMIN L TO VENTMAX L FROM VENTMIN L TO VENTMAX L FROM VENTMIN H TO VENTMAX H FROM VENTMIN H TO VENTMAX H ...

Page 24: ...enthalpy sensor drifts in accuracy over time can I recalibrate it The sensor cannot be re calibrated in the field however a menu item under the ADVANCED menu allows input of a limited offset in temperature and humidity for each sensor connected to the economizer Will I be able to see the LCD screen when it is in the unit The LCD screen has a backlight that is always illuminated What is a good setp...

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