EMI CAC Installation, Operation And Maintenance Manual Download

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CAC CASSETTE DUCTLESS SPLIT SYSTEM

EVAPORATOR

P/N# 240006022 Rev. 1.1 [08/06]

Enviromaster International LLC

5780 Success Dr.

Rome, NY 13440

www.enviromaster.com

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

An ISO 9001-2000 Certiﬁed Company

CAC

9/12 Model Shown

STRAIGHT COOL

Nominal Circuit Capacities:

9,000 - 12,000 - 18,000 - 24,000

30,000 - 36,000 Btuh

Summary of Contents for CAC

Page 1: ...6 Enviromaster International LLC 5780 Success Dr Rome NY 13440 www enviromaster com INSTALLATION OPERATION AND MAINTENANCE MANUAL An ISO 9001 2000 Certi ed Company CAC 9 12 Model Shown STRAIGHT COOL N...

Page 2: ...ricaSeries evaporator must be connected only to a properly grounded electrical supply Do not fail to properly ground this unit Turn off the electrical supply before servicing the EMI AmericaSeries eva...

Page 3: ...ire resistant thermal and acoustic foam insulation and light grey high impact ABS fascia A Styro foam drain pan with a tough re retardant thermoplastic liner Air Systems Fans are backward curved impel...

Page 4: ...blanked off DO NOT throw the two polystyrene blanking off pieces out with packaging Electromechanical Operation Stan dard An optional thermostat can be ob tained through EMI or your local distributor...

Page 5: ...e positioned in the fascia discharge slots to direct the air to the ducts Blanking Off Pieces Small Unit Shown Shown The large units have three hinged grills and three lters Medium Unit Shown Large Un...

Page 6: ...the CAC Di mensions section in the back of this IOM for cabinet sizing Small Cabinet Dimension A 12 min Medium Cabinet DimensionA 11 min Large Cabinet Dimension A 13 min Dimension A 1 minimum space a...

Page 7: ...iling will have to be cut to the following sizes Small cabinet 23 x 23 Medium cabinet 33 x 33 Large cabinet 46 x 33 NOTE Make sure the ceiling grid is supported separately from the Cas sette The ceili...

Page 8: ...not pro trude more than 2 below the mounting bracket 2 MAX NOTE If the ceiling is not level or even it is important that the Cas sette is installed level to ensure cor rect pump operation and to main...

Page 9: ...to the unit as possible This prevents a large volume of water draining back into the unit when it is switched off NOTE There is a check valve at the pump discharge to prevent water from draining back...

Page 10: ...pes should be insulated right up to the Cassette chassis The CAC is equipped with a Flo Rater Piston Expansion device Connections are sweat type The suction line large must be insulated the entire len...

Page 11: ...the bolts c Screw the mounting bolt with washer into the chassis leav ing approximately 1 to hang the fascia 4 On 18 36k units connect the vane motor plug by plugging it into the socket con nection on...

Page 12: ...particularly in low Voltage wir ing The correct cable size must be used to ensure a Voltage drop of less than 1 Volt in the control wiring Once the refrigeration pipe work is complete the electrical...

Page 13: ...onnector location terminal block L1 L2 Low Volt Interconnect Wiring Refer to the wiring diagram to connect the low Volt wiring to the appropriate terminals The wiring diagram located on the inside of...

Page 14: ...f via the toggle switch on the side of the electri cal box Toggle Switch NOTE Apply power to the Condens ing Unit s crankcase heater for 24 hours before start up to boil off any liquid that may be pre...

Page 15: ...re 4 ly with condensate pump energized If water does not check the pipe slope or see if there are any pipe restrictions 8 Ensure that all covers panels and l ters are in place and discharge louvers ar...

Page 16: ...nds of tubing and insert into ttings 2 Protect the valves by wrapping with a wet rag heat sink before brazing 3 We recommend the use of a shield can be made from some scrap metal to protect the paint...

Page 17: ...36 56 oz 90 oz R 22 8 Charge to proper weight charge based on your feet of interconnect see below NOTE Charging should be done with a dial a charge or weighed in with a scale TOP DISCHARGE REFRIGERANT...

Page 18: ...at has been satis ed the purge feature al lows the indoor fan to remain on for an additional 60 seconds This increases ef ciency by pulling the remaining energy from the unit Cooling Operation The ele...

Page 19: ...it Performance Data Date Model Number Technician Serial Number Mode Cooling Indoor Section Notes Evaporator Entering Air DB Evaporator Entering Air WB Evaporator Leaving Air DB Evaporator Leaving Air...

Page 20: ...r by sliding under retainer clips 5 Or use a garden hose Remove the grille and lter and hose off Let lter s and grille s dry before replacing Turn the POWER OFF to the unit be fore servicing or cleani...

Page 21: ...tdoor unit are to be independently connected to the electri cal service panel and protected by sepa rate time delay fuse or HACR breakers See the unit name plate for the correct breaker type and size...

Page 22: ...r condenser from short cycling After the thermostat is satis ed there will be a three minute delay before the condenser is allowed to re start Electric Heat Units with electric heat utilize a control...

Page 23: ...sate pump with a high level safety switch If the condensate reaches a critical level or if power is lost to the indoor unit the safety cir cuit will open and low Volt power to the condenser terminal Y...

Page 24: ...program all designs and speci cations are subject to change without notice INDOOR SOUND LEVELS dBa Model High Speed Medium Speed Low Speed 09 12 41 39 39 18 24 44 42 39 30 36 51 49 44 DISCHARGE AIR VO...

Page 25: ...rator C D E F Control Box Small Cabinet CAC 9 000 12 000 CAC CASSETTE DIMENSIONS FEATURE QTY SIZE A Optional Discharge Knockout 3 3 B Fresh Air Inlet Knockout 2 1 x 2 C Condensate Discharge 1 D Suctio...

Page 26: ...0 24 000 CAC CASSETTE DIMENSIONS FEATURE QTY SIZE A Optional Discharge Knockout 3 3 B Fresh Air Inlet Knockout 3 3 x 3 C Condensate Discharge 1 D Suction 1 E Liquid 1 F Condensate Pump Access 1 Contro...

Page 27: ...36 000 CAC CASSETTE DIMENSIONS FEATURE QTY SIZE A Optional Discharge Knockout 3 3 B Fresh Air Inlet Knockout 3 3 x 3 C Condensate Discharge 1 D Suction 1 E Liquid 1 F Condensate Pump Access 1 B Contr...

Page 28: ...74 22 7 197 28 3 30 S1C Side Discharge CAC CASSETTE SYSTEM MATCHES CAC CAC ELECTRICAL SPECIFICATIONS NOTE Due to EMI s ongoing product development program all designs and speci cations are subject to...

Page 29: ...94 40 600 13 0 82 11 7 R22 CACA12 T3CA999 27 000 13 0 87 11 8 R22 CACA12 T3CA222 36 000 13 0 76 11 8 R22 CACA12 CACA24 T3CA928 39 000 13 0 80 11 7 R22 CACA12 CACA24 T3CA924 43 600 13 0 79 11 7 R22 CAC...

Page 30: ...by others Failure to start due to Voltage conditions blown fuses open circuit breakers or other damages due to the inadequacy or interruption of electrical service Damage or repairs needed as a conseq...

Page 31: ...EFFICIENCY PRODUCT LINE EVAPORATORS CONDENSERS S1C S1H Single Zone Side Discharge S2C Dual Zone Side Discharge T2C T3C T4C 2 3 4 Zone Top Discharge WLC WLH High Wall Evaporator CAC Cassette Evaporato...

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