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Airxcel CEA1012A, Руководство по установке и эксплуатации

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ICE CEA/CGA1012–1060 Wall Mount AC I&O Manual 

03/2021 Rev.1

13

Figure 1b.  Typical Electrical Schematic - CEA/CGA (Economizer)

Содержание CEA1012A

Страница 1: ...Chapter 3 Installation 29 Chapter 4 Start Up 40 Chapter 5 Troubleshooting 41 Chapter 6 Maintenance 44 Chapter 7 Warranty 45 Chapter 8 Start Up Checklist 46 Appendix A Fresh Air Damper Installation 50...

Страница 2: ...t down on its side may cause oil to leave the compressor and breakage or damage to other components 3 TURN ELECTRICAL POWER OFF AT THE breaker or fuse box BEFORE installing or working on the equipment...

Страница 3: ...instructions on the inside of the building adjacent to the thermostat END USER Retain these instructions for future reference Table of Contents Chapter 1 Description Specifications 1 1 General Descrip...

Страница 4: ...5b Second Stage Cooling Speed 20 Figure 6 Output Termination for Indoor Motor Control Signal 21 Figure 7 Outdoor Motor Speed Setting 21 Figure 8 Output Termination for Outdoor Motor Control Signal 21...

Страница 5: ...y The CEA CGA Product Data Sheets have detailed information on the capacities and efficiencies for each model See Appendix A for instructions on field installation of electric heat ICE CEA CGA air con...

Страница 6: ...Start w Low Ambient CCH EFS W Low Ambient w CCH X Hot Gas Bypass Y Low Ambient w CCH FCC Z Low Ambient w CCH EFS 1 Low Ambient w FCC 2 Low Ambient w FCC EFS 3 CCH w Hot Gas Bypass None 17 Indoor Air...

Страница 7: ...x 635 x 25 93181 1 8 CEA CGA1020 1024 25 x 16 x 2 635 x 406 x 52 80137 1 8 CEA CGA1030 1036 30 x 16 x 2 762 x 406 x 52 80138 1 8 CEA CGA1042 1048 1060 36 x 22 x 2 927 x 559 x 52 80162 1 8 Table 2 Ret...

Страница 8: ...e thermostat brings on mechanical cooling A built in adjustable minimum position potentiometer controls the amount of outdoor air admitted to meet minimum ventilation requirements 1 6 Optional Control...

Страница 9: ...ity to add humidity to the building IMPORTANT The electrical wire and breaker or fuses must be sized for simultaneous operation of the electric heater and the air conditioner Refer to the data sticker...

Страница 10: ...which allow the units to operate in extremely cold temperatures The kit includes a suction line accumulator thermal expansion valve TXV crankcase heater hard start kit and an outdoor thermostat and fa...

Страница 11: ...s primary power is available The heater drives liquid refrigerant from the crankcase and prevents loss of lubrication caused by oil dilution Power must be applied to the unit for 24 hours before start...

Страница 12: ...12 ICE CEA CGA1012 1060 Wall Mount AC I O Manual 03 2021 Rev 1 Figure 1a Typical Electrical Schematic CEA CGA Non Economizer...

Страница 13: ...ICE CEA CGA1012 1060 Wall Mount AC I O Manual 03 2021 Rev 1 13 Figure 1b Typical Electrical Schematic CEA CGA Economizer...

Страница 14: ...hangeover to outside air for free cooling The control board must be configured for proper operation of the economizer by selecting the desired changeover temperature The desired temperature is selecte...

Страница 15: ...nimum Position Potentiometer W2 jumper The potentiometer controls the amount of outside air introduced in the building when the economizer damper closes or the air conditioner is Off or in Mechanical...

Страница 16: ...mper Honeywellenthalpyanddrybulbsensorsarecurrentlytheonlybrandofsensorsusedintheairconditioners Jumper W3 allows us to use alternative brands at a future date On all current air conditioners pins 1 2...

Страница 17: ...Potentiometer 0 to 100 Factory setting is 50 2 Field connection from CommStat 4 2 terminal 5 For Honeywell sensors 8 W2 Minimum Position Potentiometer Jumper Jumper Pins 1 2 to Disable Factory settin...

Страница 18: ...ommunicatingvaluable information to the end user Special features include 2 Stage operation with varying speed control to optimize latent and sensible capacity built in remote communication MODBUS for...

Страница 19: ...ssure Switch LP Low Pressure Switch Switch to Be Closed for Cooling Operation Switch to Be Connected to R Node 16 24 VAC Power Input to PCB 17 Digital Outputs 24 VAC The PCB Makes and Breaks R RH Rehe...

Страница 20: ...signal terminations must be used This jumper will be factory installed In replacing the PCB verify the necessary signal and configure the board accordingly Only 2 of the 3 pins should be used for the...

Страница 21: ...entiometer See figure below 3 1 2 1 Set for 0 10V Signal Jumper To Remain On The Appropriate Terminal For Correct Operation 2 Set For PWM Signal Jumper To Remain On The Appropriate Terminal For Correc...

Страница 22: ...cond The board also allows 15 different MODBUS addresses based on the position of the NET ADDRESS DIP switches The Net Addresses are written in Binary see table below with switch 4 being the least sig...

Страница 23: ...missioning startupsequence to ensure safety and system reliability This document is only valid if the system is used as intended This section defines the manner and method of control of the HVAC syste...

Страница 24: ...llows 1 Stage 2 Cooling Request Y2 Input 2 Stage 1 Cooling Request Y1 Input 3 Electric Heat Request W2 Input 4 Dehumidification Request Hum Input 5 Indoor Fan Request G Input Note The priority list ab...

Страница 25: ...Only CC1 output can achieve partial capacity Both CC1 and CC2 outputs are required to achieve full capacity Request Active Input Active Output Stage 1 Cooling 1 Fixed Compressor Y1 CC1 Partial Capaci...

Страница 26: ...g operation In the event that the fault occurs a second time on the same call for cooling the system locks out To clear the fault the Cooling request must be cycled or the system must be power cycled...

Страница 27: ...or has to be configured via MODBUS Once configuration is complete the unit has the capability to function autonomously to maintain the space temperature Discrete Registers Read with Function Code 02 W...

Страница 28: ...g 16 Bit 1 60 default 25 represents minutes of allowed MODBUS inactivity before switching to onboard T Stat mode RW 10 Current OFM Speed 16 Bit 0 1023 RO 11 Current IFM Speed 16 Bit 0 1023 RO 12 Anti...

Страница 29: ...l not start makes excessive noise or will not pump return the unit to the freight carrier 3 2 Installation Requirements General 1 Inspect unit for completeness Check for missing parts e g hardware Ref...

Страница 30: ...inches 61 cm 6 inches 15 cm 20 24 30 inches 76 cm 18 inches 46 cm 24 inches 61 cm 6 inches 15 cm 30 36 30 inches 76 cm 18 inches 46 cm 24 inches 61 cm 6 inches 15 cm 42 48 60 30 inches 76 cm 30 inche...

Страница 31: ...6 28 x 8 711 mm x 203 mm P N 80675 For CEA CGA1042 1048 1060 30 x 10 762 mm x 254 mm P N 80676 Return Grilles For CEA CGA1020 1024 20 x 12 508 mm x 305 mm P N 80677 For CEA CGA1030 1036 28 x 14 711 mm...

Страница 32: ...miliar with all precautions and safety procedures required in such work and is equipped with the proper tools and test instruments 3 4 Porting and Duct Work General Information Note The following inst...

Страница 33: ...nditioners Wall Sleeve for CEA1012 one ton air conditioners with an economizer A wall sleeve is required for all installations of the CEA1012 one ton air conditioner if equipped with an economizer The...

Страница 34: ...ir leakage Do not use duct liner on inside of supply duct within 4 feet 122cm of the unit Galvanized metal duct extensions should be used to simplify connections to duct work and grilles Use fabric bo...

Страница 35: ...the bottom support bracket mounted on the wall You must stabilize the unit on the bracket with the lifting device or by some other means the bracket alone is not sufficient 3 Make sure that the duct...

Страница 36: ...property damage Turn off electrical power at fuse box or service panel BEFORE making any electrical connections and ensure a proper ground connection is made before connecting line voltage Important...

Страница 37: ...ng Single Units The power supply should have the proper voltage phase and ampacity for the selected model 1 Refer to the electrical data on the data sticker on the unit for field wiring requirements o...

Страница 38: ...he thermostat should be located so that the supply air from the unit does NOT blow directly on to the thermostat Connect the thermostat to the terminal block in the air conditioner as shown in Figures...

Страница 39: ...C C NO Dry Contacts NC C NO Dry Contacts NC C NO Dry Contacts NC C NO High Building Temp Alarm Dry Contacts NC C NO 5 Connect to Normally Closed NC dry contacts from smoke alarm SMOKE ALARM JUMPER NOT...

Страница 40: ...onomizer Equipped models only To check the system operation under different ambient conditions the air temperature and enthalpy sensors must be tricked When outdoor ambient condi tions are higher than...

Страница 41: ...oting Start with a visual check are there loose wires crimped tubing missing parts etc Begin deeper analysis only after making this initial inspection The troubleshooting information in this manual is...

Страница 42: ...n in refrigerant circuit 2 Check for blockage or restriction especially filter drier and capillary tube assembly 3 Refrigerant overcharge following field service 3 Evacuate and recharge to factory spe...

Страница 43: ...and to each compressor terminal to test the motor windings A short circuit at high voltages indicates a motor defect Do not do this test under vacuum 5 On single phase models check the capacitor by su...

Страница 44: ...before restarting Condenser Periodicallyinspecttheoutdoorcondensercoilandthecabinetairreliefsfordirtorobstructions Remove foreign objects such as leaves paper etc If the condenser coil is dirty it ma...

Страница 45: ...r any other material charges 2 Damages caused by shipping accident abuse negligence misuse fire flood or Acts of God 3 Damages caused by operating or staging the unit in a corrosive environment 4 Dama...

Страница 46: ..._____________ Address ________________________________________State________________________ City ___________________________________________ ICE Air conditioner Model No ______________________________...

Страница 47: ...s L1 L2_______V L1 L3 ________V L2 L3______V L1 L2 L1 L3 L2 L3 3 Avg Voltage _______________ Max Deviation from avg voltage ______________volts Voltage imbalance 100 x Max Deviation avg Voltage ______...

Страница 48: ...mp ________ ________ Evap Leaving Air WB Temp ________ ________ Heater Contactor Amps L1 ________ ________ Heater Contactor Amps L2 ________ ________ Heater Contactor Amps L3 ________ ________ E Cooli...

Страница 49: ...essor Amps L3 ________ ________ Notes _________________________________________________________________________ _________________________________________________________________________ ______________...

Страница 50: ...four sides of the supply outlet duct flange on the unit The 1 25 4 mm clearance must extend on all sides of the supply duct for the first 3 feet 1 meter from the unit IMPORTANT ICE requires a minimum...

Страница 51: ...ther heaters 6 Install the two No 10 screws in the heater assembly plate 7 Install wire harness in hole provided in drain pan and then through filter bracket and then into control box 8 Wire the heate...

Страница 52: ...52 ICE CEA CGA1012 1060 Wall Mount AC I O Manual 03 2021 Rev 1...

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