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RT-SVX23G-EN

Wiring Diagrams

Note:

Wiring diagrams can be accessed using e-Library

by entering the diagram number in the literature
order number search field or by contacting
technical support.

Table 15.

Unit wiring diagram numbers

Schematic

Type

Voltage

Drawing Number

Description

Control

208-230,

460, 575

4366-1007

2 - 7.5 Ton Heat Pump

4366-1043

10 Ton Heat Pump

Power and

Control

230-460

4366-7427

230-460v/60Hz/3Ph - 10 Ton Heat Pump

575

4366-7428

575v/60Hz/3Ph - 10 Ton Heat Pump

Power

230V

4366-1008

230v/60hz/1ph 2 - 5 Ton Heat Pump / Standard Drive Motor

4366-1021

230v/60hz/3ph 2 - 5 Ton Heat Pump / Direct Drive

4366-1014

230v/60hz/3ph 2 - 7.5 Ton Heat Pump / Belt Drive Motor

4366-1036

230v/60hz/3ph 10 Ton Heat Pump / Belt Drive Motor

460-575V

4366-1024

2 - 5 Ton Heat Pump / Standard Drive Motor

4366-1010

460-575v/60hz/3ph 2 - 7.5 Ton Heat Pump / Belt Drive Motor

4366-1035

460-575v/60hz/3ph 10 Ton Heat Pump / Belt Drive Motor

Connection

230V

4366-1510

230v/60hz/1ph 2 - 5 Ton Heat Pump

208-230,

460, 575

4366-1511

208-230,460,575v/60hz/3ph 2 - 5 Ton Heat Pump / Direct Drive

4366-1512

208-230,460,575v/60hz/3ph 2 - 5 Ton Heat Pump / Belt Drive

4366-1542

208-230,460,575v/60hz/3ph 6 - 7.5 Ton Heat Pump / Belt Drive

4366-1535

208-230,460,575v/60hz/3ph 10 Ton Heat Pump / Belt Drive

4366-7446

230-460v/60Hz/3Ph - 10 Ton Heat Pump

4366-7447

575v/60Hz/3Ph - 10 Ton Heat Pump

4366-1031

Through The Base Utilities Schematic

4366-1048

CO2 / Ventilation Override Schematics

208-240V

4366-1091

5.0 KW - 208-240v/60hz/1ph BAYHTRR105A

4366-1092

10.0 KW - 208-240v/60hz/1ph BAYHTRR110A

4366-1093

13.8 KW - 208-240v/60hz/1ph BAYHTRR114A

4366-1098

17.6 KW - 208-240v/60hz/1ph BAYHTRR118A

4366-1084

9.0 & 18.0 KW - 208-240v/60hz/3ph BAYHTRS309A, BAYHTRS318A

4366-1094

12.0 & 17.4 KW - 208-240v/60hz/3ph BAYHTRR312A, BAYHTRR318A

Connection -
Electric Heat

4366-1095

23.0 KW - 208-240v/60hz/3ph BAYHTRR323A

4366-1089

27.0 & 36.0 KW - 208-240v/60hz/3ph BAYHTRS327A, BAYHTRS336A

4366-1086

54.0 KW - 208-240v/60hz/3ph BAYHTRT354A

208-600V

4366-1096

6.0 KW - 208-600v/60hz/3ph BAYHTRR306A, BAYHTRR406A, BAYHTRRW06A

4366-1097

9.0 & 18 KW - 480-600v/60hz/3ph BAYHTRS409A, BAYHTRSW09A, BAYHTRS418A,
BAYHTRT418A, BAYHTRSW18A, BAYHTRTW18A

4366-1087

12.0, 17.4 & 23.0 KW - 480-600v/60hz/3ph BAYHTRR412A, BAYHTRR418A,
BAYHTRR423A, BAYHTRRW12A, BAYHTRRW18A, BAYHTRRW23A

4366-1089

27.0 & 36.0 KW - 480-600v/60hz/3ph BAYHTRS427A, BAYHTRT427A,
BAYHTRSW27A, BAYHTRTW27A, BAYHTRS436A, BAYHTRT436A, BAYHTRSW36A,
BAYHTRTW36A

4366-1090

54.0 KW - 480-600v/60hz/3ph BAYHTRT454A, BAYHTRTW54A

Содержание WSC036E

Страница 1: ...training Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury When working on the equipment observe all precautions in the literature and...

Страница 2: ...ates a potentially hazardous situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could res...

Страница 3: ...to revise this publication at any time and to make changes to its content without obligation to notify any person of such revision or change Trademarks All trademarks referenced in this document are t...

Страница 4: ...nstructions 25 Return Air Smoke Detector 26 Main Electrical Power Requirements 26 Electric Heat Requirements 27 Low Voltage Wiring AC DC Requirements 27 Condensate Drain Configuration 27 Filter Instal...

Страница 5: ...49 Clogged Filter Switch 49 Fan Failure Switch 49 Condensate Overflow Switch 49 Zone Temperature Sensor ZTS Test 49 Test 1 Zone Temperature Thermistor ZTEMP 49 Test 2 Cooling Set Point CSP and Heating...

Страница 6: ...1 Unit Mounted Non Fused Disconnect6 2 Unit Mounted Circuit Breaker6 Digit 20 Convenience Outlet 0 No Convenience Outlet A Unpowered Convenience Outlet B Powered Convenience Outlet three phase only 7...

Страница 7: ...disconnect circuit breaker options 7 Requires use of Disconnect or Circuit Breaker 8 Standard metering devices are TXVs 9 The return air smoke detector maynotfituporworkproperlyon the Precedent units...

Страница 8: ...nit model number serial number electrical characteristics refrigerant charge as well as other pertinent unit data Compressor Nameplate The nameplate for the compressors are located on the side of the...

Страница 9: ...and is connected to the RTOM A diagnostic SERVICE signal is sent to the remote panel if the pressure differential across the filters is at least 0 5 w c The contacts will automatically open when the...

Страница 10: ...errupted the program is retained in permanent memory If power is off for an extended period of time only the clock and day may have to be reset The zone sensor allows selection of 2 3 or 4 system mode...

Страница 11: ...instructions will prevent the smoke detectors from performing it s design function Airflow through the unit is affected by the amount of dirt and debris accumulated on the indoor coil and filters To i...

Страница 12: ...12 RT SVX23G EN Unit Dimensions Figure 1 Typical installation clearances for single multiple unit applications WSC036 048E Units WSC060 120E Units...

Страница 13: ...ure 2 Heat pump 3 4 ton standard efficiency Note All dimensions are in inches millimeters Figure 3 Heat pump 3 4 ton standard efficiency unit clearance and roof opening Note All dimensions are in inch...

Страница 14: ...at pump 3 4 ton standard efficiency roof curb Note All dimensions are in inches millimeters 7 44 44 MM MM 44 44 MM MM 1038 1038 MM MM 1053 1053 MM MM Figure 5 Heat pumps 5 6 ton standard efficiency No...

Страница 15: ...s RT SVX23G EN 15 Figure 6 Heat pump 7 ton standard efficiency Note All dimensions are in inches millimeters Figure 7 Heat pump 5 7 ton unit clearance and roof opening Note All dimensions are in inche...

Страница 16: ...odels only 2130 MM 356 MM ALTERNATE CONDENSATE DRAIN CONNECTION 3 4 14 NPT DIA HOLE INDOOR TOP PANEL OUTDOOR TOP PANEL 50 7 8 1292 MM 63 3 16 1605 MM 99 11 16 2532 MM UNIT POWER WIRE 1 3 8 35MM DIA HO...

Страница 17: ...igure 11 Heat pump 10 ton standard efficiency roof curb Notes 1 All dimensions are in inches millimeters 1 3 4 44 MM 2 51 MM 84 1 2 2146 MM 83 7 8 2130 MM 60 3 8 1534 MM 59 7 8 1521 MM 14 356 MM 2 51...

Страница 18: ...es eye protection mask long sleeves and pants when working with products containing fiberglass wool Exposure to glass wool fibers without all necessary PPE equipment could result in cancer respiratory...

Страница 19: ...given for information only Figure 13 Rigging and center of gravity data Table 2 Factory installed options fiops accessory net weights lbs a b WSC036E 048E WSC060E WSC072E 090E WSC120E Net Weight Net...

Страница 20: ...e unit Smoke Detector Return 7 7 7 7 Through the Base Electrical 8 13 8 13 Unit Mounted Circuit Breaker 5 5 5 5 Unit Mounted Disconnect 5 5 5 5 a Weights for options not listed are 5 lbs b Net weight...

Страница 21: ...e curb must be true to assure an adequate curb to unit seal Figure 16 Heat pump 10 ton standard efficiency horizontal airflow supply return Note All dimensions are in inches millimeters Figure 17 Heat...

Страница 22: ...unit s supply and return air openings Be sure to use flexible duct connections at the unit For built up curbs supplied by others gaskets must be installed around the curb perimeter flange and the supp...

Страница 23: ...curb Make sure that the gasket on the curb is not damaged while positioning the unit General Unit Requirements The checklist listed below is a summary of the steps required to successfully install a c...

Страница 24: ...4 p 24 3 Position SUPPLY DUCT COVER as shown rotate 90 degrees to allow entrance into supply opening 4 Slide SUPPLY DUCT COVER into duct openings until inward edge of duct cover engages with the 2 ret...

Страница 25: ...ructions in steps 1 through 3 below If the unit being installed does not have a factory installed electric heater package or is equipped with a factory installed electric heater model that does not co...

Страница 26: ...an surface 4 Slide the top bracket down the copper sensing tube insert the tab on the left side into the slot on the indoor coil blockoff and secure the right side of the bracket with one of the 3 scr...

Страница 27: ...6 Replace evaporator access panel and supply air access panels To convert drain condensate through the base of unit 1 Removeevaporator access paneland supply air access panels 2 Remove the support pan...

Страница 28: ...el Refer to the customer connection diagram that is shipped with the unit for specific termination points 2 Provide proper grounding for the unit in accordance with local and national codes OptionalTB...

Страница 29: ...nd components utilizing a DC analog input output signal refer to Unit Dimensions p 12 for the electrical access locations provided on the unit 1 Table 6 p 30 lists the conductor sizing guidelines that...

Страница 30: ...e run 3 Do not run the electrical wires transporting DC signals in or around conduit housing high voltage wires 4 Route low voltage wiring per illustrations on Figure 37 p 31 Table 6 Zone sensor modul...

Страница 31: ...Installation RT SVX23G EN 31 Figure 37 Customer control low voltage routing all units except 10 ton Figure 38 ReliaTel withoutTBUE control customer wire routing 10 ton...

Страница 32: ...le 1 illustrates two series circuits with two sensors in each circuit wired in parallel The square of any number of remote sensors is required Example 2 illustratesthreesensorssquaredinaseries paralle...

Страница 33: ...numbers are for reference only There are multiple smoke detector systems that could have differently numbered pins For correct wiring details please refer to the specific smoke detector literature th...

Страница 34: ...RT SVX23G EN Figure 41 Typical field wiring diagrams for optional controls BA YSENS075 BA YSENS075 BA YSENS119 BA YSENS110 BA YSENS108 BA YSENS106 BAYSENS073 BAYSENS074 BAYSENS075 ASYSTAT669A OPTIONA...

Страница 35: ...ms 0 17 8 87 56 K Ohms 5 15 0 74 65 K Ohms 10 12 2 63 80 K Ohms 15 9 4 54 66 K Ohms 20 6 7 46 94 K Ohms 25 3 8 40 40 K Ohms 30 1 1 34 85 K Ohms 35 1 7 30 18 K Ohms 40 4 4 26 22 K Ohms 45 7 2 22 85 K O...

Страница 36: ...thest from average 221 The percentage of Imbalance equals The 2 2 imbalance in this example exceeds the maximum allowable imbalance of 2 0 This much imbalance between phases can equal as much as a 20...

Страница 37: ...or mechanical failures Before starting the unit in the Cooling mode set the system switch to the Off position and turn the main power disconnect to the On position and allow the crankcase heater to op...

Страница 38: ...est terminals The unit will start the first test step and change to the next step every 30 seconds At the end of the test mode control of the unit will automatically revert to the applied System contr...

Страница 39: ...is too high external static pressure is low do one or both of the following and repeat procedure Increase supply and or return duct static Change indoor fan speed tap to a lower value Note Minimum se...

Страница 40: ...ng applications The indoor motor shall be operating 100 to verify turn DA COOL_FAN SPD potentiometer full clockwise voltage should read 7 5 Vdc across harness test terminals The unit schematic illustr...

Страница 41: ...Economizer Control ECA The economizer will drive to its minimum position setpoint exhaust fans if applicable may start at random and the supply fan will start when the SERVICETEST is initiated The Ex...

Страница 42: ...at the heater contactor 2 Momentarily jump across theTest 1 Test 2 terminals on LTB one additional time if continuing from previous component start up or until the desired start up componentTest is st...

Страница 43: ...in Table 10 p 44 7 Recheck the belt tension at least twice during the first 2 to 3 days of operation Belt tension may decrease until the new belts are run in WARNING Hazardous Service Procedures The m...

Страница 44: ...is frayed or worn replace it Refer to the Fan Belt Adjustment section for belt replacement and adjustments Verify that all wire terminal connections are tight Remove any corrosion present on the exter...

Страница 45: ...ning solution into the sprayer If a high pressure sprayer is used a do not allow sprayer pressure to exceed 600 psi b the minimum nozzle spray angle is 15 degrees c maintain a minimum clearance of 6 b...

Страница 46: ...hematics _____________________________________________________ Connections _____________________________________________________ Table 11 Sample maintenance log Refrigerant Circuit 1 Refrigerant Circu...

Страница 47: ...cedures if other microelectronic components are suspect System Status Checkout Procedure System Status is checked by using one of the following two methods Method 1 If the Zone Sensor Module ZSM is eq...

Страница 48: ...ow System Failure Measure the voltage between terminals J6 9 J6 6 Normal Operation approximately 32 VDC System Failure less than 1VDC approximately 0 75VDC Test Mode voltage alternates between 32 VDC...

Страница 49: ...nce between terminals 1 and 2 on the ZoneTemperature Sensor Below are some typical indoor temperatures and corresponding resistive values Test 2 Cooling Set Point CSP and Heating Set Point HSP The res...

Страница 50: ...tely 15 minutes If the RTRM loses the Heating and Cooling setpoint input the RTRM will control in the default mode instantaneously The temperature sensing thermistor in the Zone Sensor Module is the o...

Страница 51: ...ply Air Sensor Failure X X Outdoor Air Temperature Fail X X Power loss to RTEM X Failed or Power Loss to Actuator X X Mechanical Failure of Actuator X a If goes out of range Table 14 Low leak economiz...

Страница 52: ...s RATemp Sensor 5 Flashes OA Quality Sensor 6 Flashes OA Humidity Sensor 7 Flashes OATemp Sensor 8 Flashes MATemp Sensor 9 Flashes RAM Fault 10 Flashes ROM Fault 11 Flashes EEPROM F Troubleshooting Pr...

Страница 53: ...542 208 230 460 575v 60hz 3ph 6 7 5 Ton Heat Pump Belt Drive 4366 1535 208 230 460 575v 60hz 3ph 10 Ton Heat Pump Belt Drive 4366 7446 230 460v 60Hz 3Ph 10 Ton Heat Pump 4366 7447 575v 60Hz 3Ph 10 Ton...

Страница 54: ...1 2000 This limited warranty is not retroactive to any installations prior to 10 1 2001 or on product produced prior to 2000 THE LIMITED WARRANTY AND LIABILITY SET FORTH HEREIN ARE IN LIEU OF ALL OTH...

Страница 55: ...not be obligated to pay for the cost of lost refrigerant No liability shall attach toWarrantor until products have been paid for and then liability shall be limited solely to the purchase price of th...

Страница 56: ...vanced controls and HVAC systems comprehensive building services and parts For more information visit www IRCO com The manufacturer has a policy of continuous product and product data improvement and...

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