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A & T International 1, Service Manual

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A & T International 1 Service Manual Download Page 24

24

2201 Dwyer Avenue, 

Utica NY 13501

1-800-228-9364

fax 1-800-232-9364

Summary of Contents for 1

Page 1: ...P N 240004373 Rev B 07 15 2013 An ISO 9001 2008 Certified Company ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com CHILLED WATER CEILING SUSPENDED AND HIGH WALL...

Page 2: ...time without notice and without incurring any obligation whatsoever Unit has been tested and rated in accordance with ANSI AHRI Standards 440 2008 UL 1995 When requesting assistance please have follow...

Page 3: ...ituation which if not avoided could result in death or serious injury CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Indicates information...

Page 4: ...hors etc Chilled water condensate piping Hot water piping EMI Air Handler is available as wall or ceiling unit two pipe chilled water fan coil model Air handler offers ease of installation operation a...

Page 5: ...n Audio feedback on control setting changes Fan operation Auto cycling High and Low constant DryMode operatescoolingandelectricheatsimultaneously to remove humidity when optional electric heat is sele...

Page 6: ...trols 24V control transformer is located in air handler unit This provides low volt control power to air handler Depending on models selected interconnect control wiring may be effected All low Volt i...

Page 7: ...CH ON RELAY BOARD DIP SWITCH SETTINGS Unit Mount Control Only There are two dip switches on the relay board that offer different modes of operation This allows unit to be matched with either cooling o...

Page 8: ...e for surface mounting applications If equipped with hydronic heat CCP will only operate as single stage heating unit and not as two stage heating unit Mounting Preparation Choose best location for un...

Page 9: ...48 1200 Dry 500 19 0 CCP HYDRONIC HEAT SPECIFICATIONS Single stage Heating Only Model EWT F GPM Btuh PD Ft H2 O 12 140 2 14 500 3 4 180 2 22 900 3 4 24 140 4 27 200 5 2 180 4 43 200 5 2 30 140 4 29 8...

Page 10: ...s manual for more detailes on controls components electrical wiring start up Operation and Cleaning Maintenance HIGH WALL AIR HANDLER WCP Mounting Preparation Mount WCP plumb and level to vertically s...

Page 11: ...IONS Model Width A Height B Depth C Width D Width E Width F Width G Width H Width I Shipping Wt 12 36 14 10 22 9 24 8 18 16 85 18 47 14 10 32 10 34 8 18 27 115 30 57 14 10 42 10 44 8 27 28 115 WCP DIM...

Page 12: ...ies Total Capacity Sensible Capacity Fluid Temp Fluid Flow PD Ft H2 0 12 9 000 7 375 6 732 45 1 0 8 10 801 8 272 45 2 3 8 13 270 9 279 45 3 8 0 12 000 8 387 7 189 40 1 0 8 12 481 8 950 40 2 3 9 15 643...

Page 13: ...e temperature and mode selections have been made they are stored in the microprocessor memory when the unit is switched off Next time unit is switched back on using the On Off switch stored settings a...

Page 14: ...ture appears Setpoint temperature can be changed with each successive press of Up or Down arrow buttons or by holding button in Place setpoint temperature below room temperature Auto fan mode can only...

Page 15: ...at low speed while in Dry Mode Optional Electric heat operation Important The dip switch 1 2 must be set to ON For electric heat operation turn unit on via On Off button Select Heat mode via Mode but...

Page 16: ...chilled water systems coldwater valve opens allowing flow of water Place set point temperature above room temperature CW valve closes while indoor fan remains on for additional sixty seconds Electric...

Page 17: ...es Evaporator Entering Air DB Evaporator Entering Air WB Evaporator Leaving Air DB Evaporator Leaving Air WB Outdoor Section Entering Air Leaving Air Temperature Split Operating Pressures Compressor S...

Page 18: ...panels or control covers to expose moving parts of non insulated live electrical components for service disconnect all high volt power supplies to both the indoor unit and outdoor unit Failure to do s...

Page 19: ...es Refer to low volt interconnect diagram interconnect diagram Figure 1 for unit mounted controls and Figure 2 for remote thermostat connection TROUBLESHOOTING PROCEDURE CONTINUED 24V transformer loca...

Page 20: ...made according to room and setpoint temperatures Fan will switch to High speed when room temperature deviates by more than two degrees from setpoint Fan will switch to Low speed if deviation is one d...

Page 21: ...ration or Damages or repairs as a consequence of shipping or handling EMI IS ALSO NOT RESPONSIBLE FOR Damages caused by faulty or interrupted power supply or electrical service Damages caused by acts...

Page 22: ...22 NOTES...

Page 23: ...23 NOTES...

Page 24: ...24 2201 Dwyer Avenue Utica NY 13501 1 800 228 9364 fax 1 800 232 9364...

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