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37

Table 12 — Menu Structure 

MENU

PARAMETER

PARAMETER 

DEFAULT 

VALUE

PARAMETER 

RANGE AND 

INCREMENT

NOTES

STATUS

ECONO AVAIL

NO

YES/NO

FIRST STAGE COOLING DEMAND (Y1–IN)

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

free cooling when required

ECONOMIZING

NO

YES/NO

FIRST STAGE COOLING RELAY OUTPUT

YES = outside air being used for 1 stage cooling

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

Displays COOL or HEAT when system is set to heat pump

(Non-conventional)

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

Cool stage 1 Relay Output to stage 1 mechanical cooling 

(Y1–OUT terminal)

COOL Y2—IN

OFF

ON/OFF

SECOND STAGE COOLING DEMAND (Y2–IN)

Y2–I signal from space thermostat or 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

Cool Stage 2 Relay Output to mechanical cooling 

(Y2–OUT terminal)

MA TEMP

_ _ . _ F

0°F to 140°F

(–18°C to 60°C)

SUPPLY AIR TEMPERATURE, Cooling Mode

Displays value of measured mixed air from MAT sensor.

Displays _ _ . _ F if not connected, short or out-of-range.

DA TEMP

_ _ . _ F

0°F to 140°F

(–18°C to 60°C)

DISCHARGE AIR TEMPERATURE, after Heating section

Displays when Discharge Air sensor is connected and displays 

measured discharge temperature.

Displays _ _ . _F if sensor sends invalid value, if not connected, 

short or out-of-range.

OA TEMP

_ _ . _ F

–40°F to 140°F

(–40°C to 60°C)

OUTSIDE AIR TEMP

Displays measured value of outdoor air temperature.

Displays _ _ . _F 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

0°F to 140°F

(–18°C to 60°C)

RETURN AIR TEMPERATURE

Displays measured value of return air temperature from RAT 

sensor.

Displays _ _ . _ F 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 CO2

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

Displays ON if above setpoint and OFF if below setpoint, and 

ONLY if a CO

2

 sensor is connected.

DAMPER OUT

2.0v

2.0 to 10.0v

Displays voltage output to the damper actuator.

ACT POS

N/A

0 to 100%

Displays actual position of outdoor air damper actuator

ACT COUNT

N/A

1 to 65535

Displays number of times actuator has cycled.

1 cycles equals 180 deg. 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

Содержание 48TC D/E17 Series

Страница 1: ...SCREENSAVER ENTHALPY SETTINGS TWO SPEED FAN OPERATION CHECKOUT TROUBLESHOOTING PremierLink Control 46 RTU Open Control System 46 Wiring Diagrams 46 Smoke Detectors 59 RETURN AIR SENSOR TUBE INSTALLAT...

Страница 2: ...age and amperage listed on the unit rating plate Unit may have more than one power switch WARNING UNIT OPERATION AND SAFETY HAZARD Failure to follow this warning could cause personal injury death and...

Страница 3: ...NOXYDE DE CARBONE Si ces directives ne sont pas suivies cela peut entra ner des blessures graves ou une intoxication au monoxyde de carbone pouvant causer la mort si des produits de combustion s infil...

Страница 4: ...Hail Guard Q E coat Al Cu E coat Al Cu Louvered Hail Guard R Cu Cu Al Cu Louvered Hail Guard S Cu Cu Cu Cu Louvered Hail Guard Coil Options Novation Outdoor Indoor Hail Guard G Al Al Al Cu H Al Al Cu...

Страница 5: ...5 Fig 2 48TC 17 20 Vertical Airflow...

Страница 6: ...6 Fig 3 48TC 17 20 Back View and Condensate Drain Location...

Страница 7: ...7 Fig 4 48TC 17 20 Corner Weights and Clearances...

Страница 8: ...8 Fig 5 48TC 17 20 Bottom View...

Страница 9: ...9 Fig 6 48TC 24 28 Vertical Airflow...

Страница 10: ...10 Fig 7 48TC 24 28 Back View and Condensate Drain Location...

Страница 11: ...11 Fig 8 48TC 24 28 Corner Weights and Clearances...

Страница 12: ...12 Fig 9 48TC 24 28 Bottom View...

Страница 13: ...13 Fig 10 48TC 30 Vertical Airflow...

Страница 14: ...14 Fig 11 48TC 30 Back View and Condensate Drain Location...

Страница 15: ...15 Fig 12 48TC 30 Corner Weights and Clearances...

Страница 16: ...16 Fig 13 48TC 30 Bottom View...

Страница 17: ...aced on the curb Review the following for rec ommended sequences for installation steps CURB MOUNTED INSTALLATION 1 Install curb 2 Install field fabricated ductwork inside curb 3 Install accessory thr...

Страница 18: ...openings Fig 14 Unit Leveling Tolerances Fig 15 Typical Access Panel and Compressor Locations Table 2 Operating Weights A B 0 25 6 B C 0 5 12 A C 0 5 12 MAXIMUM ALLOWABLE DIFFERENCE IN MM A B C CONTR...

Страница 19: ...19 Fig 16 Roof Curb Details 17 and 20 Size Units...

Страница 20: ...20 Fig 17 Roof Curb Details 24 and 28 Size Units...

Страница 21: ...21 Fig 18 Roof Curb Details 30 Size Units...

Страница 22: ...on curb after unit is set Doing so will result in damage to the roof curb seal Although unit is weatherproof guard against water from higher level runoff and overhangs Flue vent discharge must have a...

Страница 23: ...ms 4 and 5 to upper panel using the screws provided 6 Apply seal strip to mating flange of the hood see Fig 22 7 Secure hood item 3 to upper panel using the screws provided 8 Secure side retainers ite...

Страница 24: ...uctions regarding these accessories NOTE Furnace gas input rate on rating plate is for installation up to 2000 ft 610 m above sea level The input rating for altitudes above 2000 ft 610 m must be derat...

Страница 25: ...re drop of 0 5 in wg 124 Pa between gas regulator source and unit gas valve connec tion when unit is operating at high fire flow rate The gas supply line can approach the unit in two ways horizontal l...

Страница 26: ...m gases as specified by local and or national codes If using PTFE Teflon tape ensure the material is Double Density type and is labeled for use on gas lines Apply tape per manufacturer s instructions...

Страница 27: ...connect the source leads to the line side with unit field power leads See Fig 32 Fig 32 Location of TB1 Field power wires are connected to the unit at line side pressure lugs on the terminal block se...

Страница 28: ...position 4 Measure the tip of the shaft to the outside surface of the cor ner post to be 0 88 in 5 Tighten the locking screw to secure the shaft to the NFD 6 Turn the handle to OFF position with red...

Страница 29: ...37 Remove two slot fillers in the bottom of the cover to per mit service tool cords to exit the cover Check for full closing and latching Fig 37 Weatherproof Cover Installation Non powered type Requir...

Страница 30: ...outing and connection information Units Without Thru Base Connections 1 Install liquid tight conduit between disconnect and control box 2 Pull correctly rated high voltage wires through the conduit 3...

Страница 31: ...at HL38MG029 1 Route the humidistat 2 conductor cable field supplied through the hole provided in the unit corner post 2 Feed wires through the raceway built into the corner post see Fig 41 to the 24...

Страница 32: ...32 Fig 42 Accessory Field Installed Humidistat Fig 43 Edge Pro Thermidistat Fig 44 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring RELATIVE HUMIDITY...

Страница 33: ...re of the EconoMi er X system The module is mounted in the unit s control box and includes the user inter face for the system The W7220 economizer module provides the basic inputs and outputs to provi...

Страница 34: ...osure to 40 F 40 C Storage Temperature 40 F to 150 F 40 C to 65 C Shipping Temperature 40 F to 150 F 40 C to 65 C Relative Humidity 5 to 95 RH non condensing ECONOMIZER MODULE WIRING DETAILS Use Fig 4...

Страница 35: ...ypad on the front of the economizer controller KEYPAD The four navigation buttons see Fig 50 are used to scroll through the menus and menu items select menu items and to change parameter and configura...

Страница 36: ...ame ters for the EconoMi er X system The Menus in display order are STATUS SETPOINTS SYSTEM SETUP ADVANCED SETUP CHECKOUT ALARMS NOTE Some parameters in the menus use the letters MA or MAT indicating...

Страница 37: ...n Displays when Discharge Air sensor is connected and displays measured discharge temperature Displays _ _ _F if sensor sends invalid value if not connected short or out of range OA TEMP _ _ _ F 40 F...

Страница 38: ...Displays 2 to 10 V if 3 sensors RA OA and MA In AUTO mode dampers controlled by CFM 100 to 9990 cfm increment by 10 If OA MA RA and CO2 sensors are connected and DCV CAL ENABLE is set to AUTO mode the...

Страница 39: ...factory default values NOTE RECHECK AUX2 IN and FANTYPE for required 2 speed values ADVANCED SETUP MA LO SET 45 F 35 F to 55 F 2 F to 13 F incremented by 10 F SUPPLY AIR TEMPERATURE LOW LIMIT Temperat...

Страница 40: ...c out Issues a system alarm CONNECT EXH1 N A N A Closes the power exhaust fan 2 relay EXH1 ALARMS Alarms display only when they are active The menu title ALARMS includes the number of active alarms in...

Страница 41: ...dry bulb and enthalpy operation with and without DCV see Tables 14 17 For 2 speed fan dry bulb and enthalpy operation with and without DCV see Tables 18 21 Table 13 Damper Minimum Position Settings a...

Страница 42: ...4v On 0v Off MIN POS to Full Open Closed to Full Open DEMAND CONTROLLED VENTILATION DCV OUTSIDE AIR GOOD TO ECONOMIZE Y1 I Y2 I FAN SPEED Y1 O Y2 O OCCUPIED UNOCCUPIED Below CO2 Set No OFF OFF HIGH 0v...

Страница 43: ...ed ON ON HIGH 24v On 24v On VENTMIN to VENTMAX Closed Yes OFF OFF HIGH 0v Off 0v Off VENTMIN to VENTMAX Closed ON OFF HIGH 0v Off 0v Off VENTMIN to Full Open Closed to Full Open ON ON HIGH 24v On 0v O...

Страница 44: ...ff 0v Off MIN POS Closed ON OFF LOW 0v Off 0v Off MIN POS to Full Open Closed to Full Open ON ON HIGH 24v On 0v Off MIN POS to Full Open Closed to Full Open DEMAND CONTROLLED VENTILATION DCV OUTSIDE A...

Страница 45: ...lled by the W7220 but it re quires the status to know where to position the OA damper for minimum position for the fan speed The 2 speed fan delay is available when the system is programmed for 2 spee...

Страница 46: ...e alarms You can also navigate to the Alarms menu at any time Clearing Alarms Once the alarm has been identified and the cause has been re moved e g replaced faulty sensor the alarm can be cleared fro...

Страница 47: ...47 Fig 52 PremierLink Wiring Diagram...

Страница 48: ...48 Fig 53 PremierLink Wiring Diagram with Humidi MiZer System...

Страница 49: ...49 Fig 54 Typical RTU Open System Control Wiring Diagram...

Страница 50: ...50 Fig 55 Typical RTU Open System Control Wiring Diagram with Humidi MiZer System...

Страница 51: ...51 Fig 56 48TC 17 30 Control Wiring Diagram...

Страница 52: ...52 Fig 57 48TC 17 30 Power Wiring Diagram 208 230 3 60...

Страница 53: ...53 Fig 58 48TC 17 30 Power Wiring Diagram 460 3 60...

Страница 54: ...54 Fig 59 48TC 17 30 Power Wiring Diagram 575 3 60...

Страница 55: ...55 Fig 60 48TC 17 30 Control Wiring Diagram with Humidi MiZer System...

Страница 56: ...56 Fig 61 48TC 17 30 Power Wiring Diagram with Humidi MiZer System 208 230 3 60...

Страница 57: ...57 Fig 62 48TC 17 30 Power Wiring Diagram with Humidi MiZer System 460 3 60...

Страница 58: ...58 Fig 63 48TC 17 30 Power Wiring Diagram with Humidi MiZer System 575 3 60...

Страница 59: ...Sensor Location Fig 65 Return Air Sampling Tube Location in Unit without Economizer Fig 66 Return Air Sampling Tube Location in Unit with Economizer To install the return air sensor sampling tube 1 Re...

Страница 60: ...Refer to separate installation instructions for information on in stalling these accessories Step 14 Check Belt Tension Measure the belt span length as shown in Fig 68 Calculate the re quired deflect...

Страница 61: ...rom HVAC Partners www hvacpartners com Table 1 Table 2 BELT CROSS SECTION SMALLEST SHEAVE DIAMETER BELT DEFLECTION FORCE LBS UNNOTCHED BELTS NOTCHED BELTS USED NEW USED NEW A AX 3 0 3 6 3 7 5 5 4 1 6...

Страница 62: ...iscontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53480268 01 Printed in U S A Form 48TC 17 30 V 05SI Pg 62 8 19 Replaces 48TC 1...

Страница 63: ...door air filters are clean and in place Y N _____ Verify that unit installation is level Y N _____ Check fan wheels and propeller for location in housing orifice and setscrew tightness Y N _____ Check...

Страница 64: ...scharge pressure _______________ PSIG C Entering air temperature _______________ F D Liquid line temperature at outlet or reheat coil _______________ F E Confirm correct rotation for compressor Y N __...

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