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19

Table 11 — Menu Structure

MENU

PARAMETER

PARAMETER

DEFAULT

VALUE

PARAMETER

RANGE AND 

INCREMENT

2

NOTES

STATUS

ECON AVAIL

NO

YES/NO

ECONOMIZING AVAILABLE

YES = economizing available; the system can use outside air for free cooling 

when required

ECONOMIZING

NO

YES/NO

ECONOMIZING ACTIVE

YES = Outside air being used for 1st stage cooling

NO = Economizing not active

OCCUPIED

NO

YES/NO

OCCUPIED

YES = OCC signal received from space thermostat or unitary controller

YES = 24 vac on terminal OCC.

NO = 0 vac on terminal OCC.

HEAT PUMP

n/a

COOL

HEAT

HEAT PUMP MODE

(Not available on 2-speed configuration)

COOL Y1-IN

OFF

ON/OFF

FIRST STAGE COOLING DEMAND (Y1-IN)

Y1-I signal from space thermostat or unitary controller for cooling stage 1.

ON = 24 vac on terminal Y1-I

OFF = 0 vac on terminal Y1-I

COOL Y1-OUT

OFF

ON/OFF

FIRST STAGE COOLING RELAY OUTPUT

ON = 24 vac on terminal Y1-O; Stage 1 mechanical cooling called on

OFF = 0 vac on terminal Y1-O; no mechanical cooling

COOL Y2-IN

OFF

ON/OFF

SECOND STAGE COOLING DEMAND (Y2-IN)

Y2-I signal from space thermostat our unitary controller for second stage 

cooling.

ON = 24 vac on terminal Y2-I

OFF = 0 vac on terminal Y2-I

COOL Y2-OUT

OFF

ON/OFF

SECOND STAGE COOLING RELAY OUTPUT

ON = 24 vac on terminal Y2-O; stage 2 mechanical cooling called on

OFF = 0 vac on terminal Y2-O; no stage 2 mechanical cooling

MA TEMP

_ _ . _°F (or °C) 0°F to 140°F

(–18°C to 60 °C)

MIXED AIR TEMPERATURE, Cooling Mode

Displays value of measured mixed air from MAT sensor. Displays _ _ . _  if 

not connected, short or out-of-range.

DA TEMP

_ _ . _°F (or °C) 0°F to 140°F

(–18°C to 60 °C)

DISCHARGE AIR TEMPERATURE, after Heating section

(Accessory sensor required)

Displays when Discharge Air sensor is connected and displays measured 

discharge temperature. Displays _ _ . _ if sensor sends invalid value, if not 

connected, short or out-of-range.

OA TEMP

_ _ . _°F (or °C) –40°F to 140°F

(–40°C to 60°C)

OUTSIDE AIR TEMPERATURE

Displays measured value of outdoor-air temperature. Displays _ _ . _ if 

sensor sends invalid value, short or out-of-range.

OA HUM

_ _%

0 to 100%

OUTSIDE AIR RELATIVE HUMIDITY

Displays measured value of outdoor humidity from OA sensor. Displays __% 

if not connected, short, or out-of-range.

RA TEMP

_ _ . _°F (or °C) 0°F to 140°F

(–18°C to 60°C)

RETURN AIR TEMPERATURE

Displays measured value of return air temperature from RAT sensor. 

Displays _ _ . _ if sensor sends invalid value, if not connected, short or out-

of-range

RA HUM

_ _%

0 to 100%

RETURN AIR RELATIVE HUMIDITY

Displays measured value of return air humidity from RA sensor. Displays 

__% if sensor sends invalid value, if not connected, short or out-of-range

IN CO2

_ _ _ppm

0 to 2000 ppm

SPACE/RETURN AIR CO

2

(CO

2

 sensor required, accessory or factory option)

Displays value of measured CO

2

 from CO

2

 sensor. Invalid if not connected, 

short or out-of-range

DCV STATUS

n/a

ON/OFF

DEMAND CONTROLLED VENTILATION STATUS

(CO

2

 sensor required, accessory or factory option)

Displays ON if above set point and OFF if below set point, and ONLY if a 

CO

2

 sensor is connected.

DAMPER OUT

2.0V

2.0 to 10.0-v

Displays voltage output to the damper actuator.

0% = OA Damper fully closed

100%= OA Damper full open

ACT POS

_ _%

0 to 100%

Displays actual position of outdoor air damper actuator

2.0-v = OA Damper fully-closed

10.0-v = OA Damper full open

ACT COUNT

n/a

1 to 65535

Displays number of times actuator has cycled.

1 cycle equals accrued 180° of actuator movement in any direction

ACTUATOR

n/a

OK/Alarm

(on Alarm menu)

Displays Error if voltage or torque is below actuator range

EXH1 OUT

OFF

ON/OFF

EXHAUST STAGE 1 RELAY OUTPUT

Output of EXH1 terminal:

ON = relay closed

OFF = relay open

EXH2 OUT

OFF

ON/OFF

EXHAUST STAGE 2 RELAY OUTPUT

Output of AUX terminal; displays only if AUX = EXH2

ON = relay closed

OFF = relay open

Summary of Contents for CRECOMZR077A00

Page 1: ...r safety glasses and work gloves Use care in handling and installing the accessory It is important to recognize safety information This is the safety alert symbol When you see this symbol on the unit...

Page 2: ...for applications requiring even greater ex haust capabilities The power exhaust set point is adjustable at the EconoMi er X controller See Table 1 3 for package usage See Table 4 for package con tents...

Page 3: ...Off Panel 1 Horizontal Blank Off Panel 1 Filter Access Door 1 Hardware Bag CRECOMZR081A00 1 EconoMi er Horizontal Damper Assembly with Actuator and HH79ZZ007 OA Sensor 1 Jade HW63AW002 HW W7220 Contr...

Page 4: ...IZER P N A B SHIP WT CRECOMZR077A00 25 1 29 19 95 lb CRECOMZR079A00 25 1 37 25 150 lb CRECOMZR081A00 24 81 53 36 245 lb Outside Air Temperature Sensor Red Shipping Tape Outside Air Damper Wiring Harne...

Page 5: ...nk off panel above hood Screw in place See Fig 8 and 9 Fig 7 EconoMi er X Hood Installation Fig 8 Horizontal Return Opening Blank Off Panel Fig 9 Front Blank Off Panel Installation Panel Fig 10 Top Vi...

Page 6: ...on for more details on enthalpy settings Fig 13 Connect EconoMi er X Harness to Unit PL6 Economizer Harness 17 Remove and save the 12 pin jumper plug from the unit economizer harness located in the up...

Page 7: ...r ness See Fig 17 and 25 Fig 17 Connect 10 pin Plugs Together 22 Connect the 10 pin female plug from the Jade controller harness to ECON on the CTB See Fig 18 and 25 Fig 18 Connect 10 pin Jade Plug to...

Page 8: ...to Harness from Controller 27 Route the 4 wire 48TMHSRSE A20 harness through the divider between the control box and the indoor blower sec tion See Fig 22 NOTE Some control box configurations may diff...

Page 9: ...nnect Pink and Violet Wires in Indoor Blower Section 30 If using differential return sensor or DCV sensor install it now See installation details later in the instructions and the wiring diagram for f...

Page 10: ...GRA ORG YEL BLK BRN RED VIO 1 1 2 2 3 3 4 10 6 4 5 9 1 3 8 2 7 1 2 3 4 5 6 7 8 9 10 4 9 3 8 10 2 6 7 5 1 4 10 Pin Female Plug Disconnected from CTB CO2 Optional Ground W1 on CTB W7220 JADE Controller...

Page 11: ...NOTE The 4 wire 48TMHSRSE A20 harness provided with the economizer will also NOT be used on the 48 50LC 07 12 units see Fig 27 Fig 27 48TMHSRSE A20 Not Used on 48 50LC 07 12 Units 3 The 48 50LC 07 12...

Page 12: ...er See Fig 30 6 The connectors on the left side of Fig 28 on the 48LCHS RADH A00 harness attach to the unit s CSC board Con nect J3 and J5 plugs to the CSC board See Fig 30 7 Screw the green wire with...

Page 13: ...13 NOTE Harness attached to the W7220 controller from the Carrier factory is removed and not used with 48 50LC 07 12 units Fig 30 Typical EconoMi er X Wiring Diagram For 48 50LC 07 12 Units...

Page 14: ...e the HH57AC081 sensor for outside air sensor the dipswitches on the sensor must be set to OFF OFF OFF See Table 8 The 2 gray wires with a plug from the EconoMi er X harness in the return chamber plug...

Page 15: ...y limit value shall be set to the enthalpy 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 Contr...

Page 16: ...ceptable to some codes is an annunci ator light visible by service personnel See Fig 36 for typical wiring to the Jade controller Refer to codes for proper labeling of light Fig 35 Thermostat Wired fo...

Page 17: ...GE STORED displays 9 Press the Enter button to return to the current menu parameter 10 Press the Menu Up Exit button to return to the previ ous menu Menu Structure Table 11 illustrates the complete hi...

Page 18: ...or power exhaust are available by referring to Table 11 options 3 Fan speed options are 1 1 Speed 2 2 Speed 3 2 Speed 1 Heat 1 Cool 4 3 Speed 1 Heat 2 Cool 4 Do not use 3 speed setting for LC units Ta...

Page 19: ...nds invalid value if not connected short or out of range OA TEMP _ _ _ F or C 40 F to 140 F 40 C to 60 C OUTSIDE AIR TEMPERATURE Displays measured value of outdoor air temperature Displays _ _ _ if se...

Page 20: ...unit under FAN TYPE and if DCV is NOT used MIN POS L 6 0V 2 to 10 vdc VENTILATION MINIMUM POSITION AT LOW SPEED Only displays if unit is set for 2 or 3 speed and CO2 is not used IF using 2 speed with...

Page 21: ...t and 1 for cool 3 speed units 1 for heat and 2 for cool These Fan Type speed settings are for future use only Do not use for 3 speed LC units FAN CFM 5000cfm 100 to 15000 cfm increment by 100 UNIT DE...

Page 22: ...PER CLOSE n a n 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 AUX1...

Page 23: ...les 12 and 13 to locate the wiring terminals for the economizer module NOTE The four terminal blocks are removable Slide out each terminal block wire it and then slide it back into place Fig 38 W7220...

Page 24: ...d is satisfied thermostat Y1 opens the dampers will return 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 f...

Page 25: ...k to factory defaults and start over Under the SYSTEM SETUP menu you can change the set points to the factory defaults Will I be able to see the LCD screen when it is in the unit The LCD screen has a...

Page 26: ......

Page 27: ......

Page 28: ...o discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53480208 01 Printed in U S A Form IIK CRECOMZR77 03 Pg 28 11 18A 11 18 Repl...

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