Bryant PREFERRED 607C--A Series Installation Instructions Manual Download Page 5

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RETURN

AIR

SMALL
BASE
UNIT

SUPPLY

AIR

LARGE
BASE
UNIT

UNIT PLACEMENT ON

COMMON CURB

LARGE CURB

SMALL OR LARGE BASE UNIT

SMALL/COMMON CURB

ROOF CURB DETAIL

Wood nailer*

Roofcurb*

Insulation
(field supplied)

*Provided with roofcurb

Cant strip
field supplied

Roofing material
field supplied

Flashing field
supplied

HVAC unit
base rails

Roofcurb

Sealing
Gasket

HVAC unit
basepan

Anchor screw

A09090

A09413

A09094

A09415

Dashed lines show cross support
location for large basepan units.

A09414

Fig. 4 -- Roof Curb Dimensions

UNIT

SIZE

CATALOG

NUMBER

IN.

(mm)

B (small/common

base)

IN. (mm)*

B (large base)

IN. (mm)*

IN.

(mm)

IN. (mm)

IN.

(mm)

IN. (mm)

Small

Large

CPRFCURB010A00

11 (279)

10 (254)

14 (356)

16 (406) 47.8 (1214)

32.4 (822)

2.7 (69)

30.6 (778)

46.1 (1170)

CPRFCURB011A00

14 (356)

Large

CPRFCURB012A00

11 (279)

14 (356)

43.9 (1116)

42.2 (1072)

CPRFCURB013A00

14 (356)

* Part Numbers CPRCURB010A00 and CPRCURB011A00 can be used on both small and large basepan units. The cross supports must be located based on

whether the unit is a small basepan or a large basepan.

NOTES:

Roof curb must be set up for unit being installed.

2. Seal strip must be applied, as required, to unit being installed.
3. Roof curb is made of 16---gauge steel.
4. Attach ductwork to curb (flanges of duct rest on curb).
5. Insulated panels: 1---in. (25 mm) thick fiberglass 1 lb. density.

607C

Summary of Contents for PREFERRED 607C--A Series

Page 1: ...t Circuit 24 Indoor Airflow 24 Metering Devices TXV Piston 24 Pressure Switches 25 Loss of Charge Switch 25 High Pressure Switch 25 Copeland Scroll compressor Puron Refrigerant 25 Refrigerant System 25 Refrigerant 25 Compressor Oil 26 A09033 Fig 1 Unit 607 A Servicing Systems on Roofs with Synthetic Materials 26 Liquid Line Filter Drier 26 PuronR R 410A Refrigerant Charging 26 System Information 2...

Page 2: ...structions shipped with curb See Fig 4 Install insulation cant strips roofing and flashing Ductwork must be attached to curb IMPORTANT The gasketing of the unit to the roof curb is critical for a watertight seal Install gasketing material supplied with the roof curb Improperly applied gasketing also can result in air leaks and poor unit performance Curb should be level to within 1 4 in 6 mm See Fi...

Page 3: ...3 A09426 Fig 2 607 A24 30 Unit Dimensions 607C A ...

Page 4: ...4 A09427 Fig 3 607 A36 60 Unit Dimensions 607C A ...

Page 5: ... mm B small common base IN mm B large base IN mm C IN mm D IN mm E IN mm F IN mm G IN mm H IN mm Small or Large CPRFCURB010A00 11 279 10 254 14 356 16 406 47 8 1214 32 4 822 2 7 69 30 6 778 46 1 1170 CPRFCURB011A00 14 356 Large CPRFCURB012A00 11 279 14 356 43 9 1116 42 2 1072 CPRFCURB013A00 14 356 Part Numbers CPRCURB010A00 and CPRCURB011A00 can be used on both small and large basepan units The cr...

Page 6: ...ifts to adapt to various sizes or kinds of loads 2 Instruction in any special operation or precaution 3 Condition of the load as it relates to operation of the lifting kit such as balance temperature etc Follow all applicable safety codes Wear safety shoes and work gloves Inspection Prior to initial use and at monthly intervals all rigging shackles clevis pins and straps should be visually inspect...

Page 7: ...operation is listed in Table 2 Heater limit switches may trip at air quantities below those recommended 4 Seal insulate and weatherproof all external ductwork Seal insulate and cover with a vapor barrier all ductwork passing through conditioned spaces Follow latest Sheet Metal and Air Conditioning Contractors National Association SMACNA and Air Conditioning Contractors Association ACCA minimum ins...

Page 8: ...dersize the tube Pitch the drain tube downward at a slope of at least 1 in 25 mm every 10 ft 3 m of horizontal run Be sure to check the drain trough for leaks Prime the trap at the beginning of the cooling season start up A B C MAXIMUM ALLOWABLE DIFFERENCE in mm A C 1 4 1 4 1 4 6 35 6 35 6 35 A B B C A07925 Fig 7 Unit Leveling Tolerances OPTIONAL RETURN AIR OPENING OPTIONAL SUPPLY AIR OPENING EVAP...

Page 9: ...ring inlet hole grommet Fig 2 and 3 and into the low voltage splice box Provide a drip loop before running wires through panel Secure and strain relief all wires so that they do not interfere with operation of unit A gray wire is standard on 3 phase units for connection to an economizer If an accessory electric heater is installed low voltage leads from heater must be connected to factory supplied...

Page 10: ...810 Indoor Coil Rows Fins in face area sq ft 3 17 3 7 3 17 3 7 3 17 4 7 3 17 4 7 3 17 5 6 3 17 5 6 Indoor Blower Nominal Airflow cfm Size in Size mm Motor hp rpm 800 10 x 10 254 x 254 1 2 1000 10 x 10 254 x 254 1 2 1200 11 x 10 279 x 254 3 4 1400 11 x 10 279 x 254 3 4 1600 11 x 10 279 x 254 1 1750 11 x 10 279 x 254 1 High Pressure Switch psig Cutout Reset Auto 650 15 420 25 Loss of Charge Low Pres...

Page 11: ...11 A10197 Fig 12 Connection Wiring Schematics 208 230 1 60 607C A ...

Page 12: ...12 A10197 Fig 12 Cont Ladder Wiring Schematics 208 230 1 60 607C A ...

Page 13: ...13 A10194 Fig 13 Connection Wiring Schematics 208 230 3 60 607C A ...

Page 14: ...14 A10194 Fig 13 Cont Ladder Wiring Schematics 208 230 3 60 607C A ...

Page 15: ...15 A10195 Fig 14 Connection Wiring Diagram 460 3 60 607C A ...

Page 16: ...16 A10195 Fig 14 Cont Ladder Wiring Diagram 460 3 60 607C A ...

Page 17: ...UP Checking Cooling and Heating Control Operation Start and check the unit for proper control operation as follows 1 Place room thermostat SYSTEM switch or MODE control in OFF position Observe that blower motor starts when FAN mode is placed in FAN ON position and shuts down when FAN MODE switch is placed in AUTO position 2 Thermostat When the room temperature rises to a point that is slightly abo...

Page 18: ...HOCK HAZARD Failure to follow this warning could result in personal injury or death Disconnect electrical power to the unit and install lockout tag before changing blower speed WARNING This unit is factory set up for use with a single cooling fan speed In addition this unit has the field selectable capability to run two different cooling fan speeds The rated cooling fan speed 350 400 CFM Ton and a...

Page 19: ...pressure 3 Select speed tap from Table 4 that will achieve required airflow from Table 2 4 Remove the vinyl cap off of the desired speed tap wire Refer to Table 3 for color coding 5 Connect the desired speed tap wire to the HIGH terminal on the interface fan board IFB UNIT OPERATION HAZARD Failure to follow this caution may result in unit component damage or improper operation To use this mode a s...

Page 20: ... another 30 sec and the outdoor fan will stay off for 40 sec before starting in the Heating mode Defrost The defrost control is a time temperature control which includes a field selectable time period DIP switch 1 and 2 on the board between defrost cycles of 30 60 90 or 120 minutes factory set at 60 minutes To initiate a forced defrost two options are available depending on the status of the defro...

Page 21: ...riginally installed See Table 1 for recommended filter sizes Inspect air filter s at least once each month and replace throwaway type or clean cleanable type at least twice during each cooling season and twice during the heating season or whenever the filter becomes clogged with dust and lint Indoor Blower and Motor NOTE All motors are pre lubricated Do not attempt to lubricate these motors NOTE 4...

Page 22: ... filter pressure drop and wet coil pressure drop to obtain external static pressure available for ducting Shaded areas indicate speed static combinations that are not permitted for dehumidification speed Table 5 607 A Wet Coil Pressure Drop in W C UNIT SIZE STANDARD CFM S C F M 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 24 0 06 0 07 0 08 0 09 0 1 30 0 12 0 15 0 19 0...

Page 23: ...with a mild detergent and water solution Rinse coils with clear water using a garden hose Be careful not to splash water on motors insulation wiring or air filter s For best results spray condenser coil fins from inside to outside the unit On units with an outer and inner condenser coil be sure to clean between the coils Be sure to flush all dirt and debris from the unit base Inspect the drain pan...

Page 24: ...ical controls and wiring replace all the panels Start the unit and observe at least one complete cooling cycle to ensure proper operation If discrepancies are observed in operating cycle or if a suspected malfunction has occurred check each electrical component with the proper electrical instrumentation Refer to the unit wiring label when making these checkouts Step 5 Refrigerant Circuit Inspect a...

Page 25: ...ir recirculation To check switch 1 Turn off all power to unit 2 Disconnect leads on switch 3 Apply ohm meter leads across switch You should have continuity on a good switch Step 11 Copeland Scroll Compressor Puron Refrigerant The compressor used in this product is specifically designed to operate with Puron R 410A refrigerant and cannot be interchanged EXPLOSION HAZARD Failure to follow this warni...

Page 26: ...igerant system is opened When removing a filter drier use a tubing cutter to cut the drier from the system Do not unsweat a filter drier from the system Heat from unsweating will release moisture and contaminants from drier into system Puron R 410A Refrigerant Charging Refer to unit information plate and charging chart Some R 410A refrigerant cylinders contain a dip tube to allow liquid refrigeran...

Page 27: ...oils S Vacuum pumps will not remove moisture from oil S Do not use liquid line filter driers with rated working pressures less than 600 psig S Do not leave Puron suction line filter driers in line longer than 72 hours S Do not install a suction line filter drier in liquid line S POE oils absorb moisture rapidly Do not expose oil to atmosphere S POE oils may cause damage to certain plastics and roo...

Page 28: ...Defective run start capacitor overload or start relay Determine cause and replace Defective thermostat Replace thermostat Faulty condenser fan motor or capacitor Replace Restriction in refrigerant system Locate restriction and remove Compressor operates continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size Thermostat set too low Reset thermostat ...

Page 29: ...ND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND SETSCREW TIGHTNESS III START UP ELECTRICAL SUPPLY VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB HEAT PUMP SUPPLY AIR _____________________ ELECTRIC HEAT SUPPLY AIR __________...

Page 30: ...Control Using a Duct Mounted CO2 Sensor 33ZCSENC02 or CGCDXSEN004A00 and 33ZCASPCO2 or CGCDXASP00100 or CRCBDIOX005A00 CRENTDIF004A00 accessory is used on many different base units As such these kits may contain parts that will not be needed for installation 33ZCSENCO2 and CGCDXSEN004A00 are accessory CO2 sensors 33ZCASPC02 AND CGCDXASP00100 are accessory aspirator boxes required for duct mounted ...

Page 31: ...mber Table 13 Filter Part Number DESCRIPTION PART NUMBER Indoor Coil Air Filter 12 x 20 x 1 304 8 x 508 x 25 4 mm KH01AA312 NOTE The economizer control settings and the filters are accessible through the filter access door 13 Economizer controls are set to a standard factory setting Nevertheless you can adjust these settings through the filter access door Review the settings in the Operation secti...

Page 32: ... Duct Cover Panel Hood Divider Removed A09691 Fig 25 Horizontal Return Duct Cover Panel Removal Filter Angle Bracket Right Hood Side Panel Left Hood Side Panel Filter Angle Bracket A09692 Fig 26 Filter Angle Bracket Installation 607C A ...

Page 33: ...anel Hood Top Panel Left Hood Side Panel Hood Divider A09693 Fig 27 Economizer Hood Assembly A09694 Fig 28 Economizer Hood Installation Filter Clips Aluminum Filter A09695 Fig 29 Filter Installation See Through View 607C A ...

Page 34: ...return duct cover panel Screw in place ensuring all seams are air and watertight 6 Open economizer hood package found on the top skid Mount OAT sensor to its assigned bracket by screwing together with provided two 8 fasteners Afterwards install OAT sensor to the right side hood panel with the provided 10 screws See Fig 32 7 Install the 2 angle filter brackets to the right and left hood side panels...

Page 35: ...9698 Fig 32 OAT Bracket Installation Filter Angle Bracket Right Hood Side Panel Filter Angle Bracket Left Hood Side Panel Right Hood Side Left Hood Side A09699 Fig 33 Filter Angle Bracket Installation 607C A ...

Page 36: ... mm KH01AA316 18 x 24 x 1 457 2 x 609 5 x 25 4 mm KH01AA318 13 Economizer controls are set to a standard factory setting Nevertheless you can adjust these settings through the filter access door Review the settings in the Operation section 1 The standard economizer controller has a factory setting of C for the outdoor air temperature changeover and 63_F 17_C for the supply air mixed air temperatur...

Page 37: ...tpoints The temperature changeover is set using 3 dip switches on the sensor The ABCD potentiometer on the controller should be set to the D position See Fig 40 SUPPLY AIR TEMPERATURE SAT SENSOR The supply air temperature sensor is a 3 KΩ thermistor located at the inlet of the indoor fan See Fig 38 The operating range of temperature measurement is 0_ to 158_F 17 8_ to 70_C See Table 15 for sensor ...

Page 38: ... adjust the outdoor air dampers to minimum position If the outdoor air temperature is below the set point the position of the outdoor air dampers will be controlled to provide free cooling using outdoor air When in this mode the LED next to the free cooling set point potentiometer will be on The changeover temperature set point is set using the switches on the sensor See Fig 40 for the correspondi...

Page 39: ...hen the outdoor air has a lower enthalpy than the return air and is below the set point the Economizeropenstobringinoutdoorairfor freecooling Replacethe standard outside air dry bulb temperature sensor with the accessory enthalpy sensor in the same mounting location Mount the return air enthalpy sensor in the return air duct See Fig 41 When using this mode of changeover control turn the enthalpy s...

Page 40: ...re is 75_F 23 9_C 60 x 10 75 x 90 73 5_F 23 1_C 2 Disconnect the supply air sensor from terminals T and T1 3 Ensure that the factory installed jumper is in place across terminals P and P1 If remote damper positioning is being used make sure that the terminals are wired according to Fig 45 and that the minimum position potentiometer is turned fully clockwise 4 Connect 24 vac across terminals TR and...

Page 41: ...41 A10059 Fig 45 Economizer Wiring Diagram 607C A ...

Page 42: ...ILS OF RELAY R AND RELAY R1 9 DEHUM FEATURE CANNOT BE USED WHEN ECONOMIZER IS INSTALLED UNIT FACTORY SHIPPED IN STD MODE COMP COMPRESSOR MOTOR EQUIP EQUIPMENT GND GROUND IFM INDOOR FAN MOTOR OFM OUTDOOR FAN MOTOR TRAN TRANSFORMER IFB INDOOR FAN BOARD LPS LOW PRESSURE SWITCH HPS HIGH PRESSURE SWITCH T STAT THERMOSTAT DB DEFROST BOARD DFT DEFROST TEMPERATURE SWITCH DR DEFROST RELAY HR HEATER RELAY R...

Page 43: ...43 A10200 Fig 45 Cont Ladder Wiring Diagram 230 3 607C A ...

Page 44: ...44 A10199 Fig 47 Connection Wiring Diagram 460 3 607C A ...

Page 45: ...45 A10199 Fig 46 Cont Ladder Wiring Diagram 460 3 607C A ...

Page 46: ...ometer to the correct position The same equation can be used to determine the occupied or maximum ventilation rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15 CFM per person Use Fig 43 to determine the maximum setting of the CO2 sensor For example a 11...

Page 47: ...free cooling is not available the compressor will be controlled by the thermostat When free cooling is available the outdoor air damper is modulated by the Economizer control to provide a 50_ to 55_F 10_ to 12 8_C supply air temperature into the zone As the supply air temperature fluctuates above 55_ 12 8_C or below 50_F 10_C the dampers will be modulated open or close to bring the supply air temp...

Page 48: ...d remain in position 5 Turn the DCV set point potentiometer CW until the DCV LED turns off The DCV LED should turn off when the potentiometer is approximately 9 v The actuator should drive fully closed 6 Turn the DCV and Exhaust potentiometers CCW until the Exhaust LED turns on The exhaust contacts will close 30 to 120 seconds after the Exhaust LED turns on 7 Return Economizer settings and wiring ...

Page 49: ...49 REQUIRED CLEARANCES TO COMBUSTIBLE MATL NEC REQUIRED CLEARANCES REQUIRED CLEARANCE FOR OPERATION AND SERVICING A10228 Fig 48 607C A 30 3 Phase with Economizer 607C A ...

Page 50: ...0 0 90 7 607CEXA42000AB 460 100 0 45 4 80 0 36 3 129 0 58 5 205 0 93 0 607CPXA48000AB 208 230 97 6 44 3 78 1 35 4 117 1 53 1 195 2 88 5 607CEXA48000AB 460 97 6 44 3 78 1 35 4 126 1 57 2 200 2 90 8 607CPXA60000AB 208 230 108 4 49 2 86 7 39 3 130 1 59 0 216 8 98 3 607CEXA60000AB 460 108 4 49 2 86 7 39 3 139 1 63 1 221 8 100 6 2 1 4 3 REV FILTER ACCESS LOUVER PANEL LOUVER PANEL LOUVER PANEL LOUVER PA...

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