DMS FX4C Installation Instructions Manual Download Page 5

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COIL MOUNTING

SCREW

BLOWER

ASSEMBLY

REFRIGERANT

CONNECTIONS

SECONDARY DRAIN

PRIMARY DRAIN

DRAINPAN

SLOPE COIL

SKI

COIL

SUPPORT

RAIL

A03001

Fig. 5 -- Conversion for Horizontal Right Applications Using a Slope Coil

COIL

SUPPORT

RAIL

COIL

BRACKET

DRAIN PAN

SUPPORT

BRACKET

COIL

SUPPORT

RAIL

COIL

BRACKET

HORIZONTAL

DRAIN PAN

PRIMARY DRAIN

HORIZONTAL RIGHT

SECONDARY DRAIN

HORIZONTAL RIGHT

REFRIGERANT

CONNECTIONS

AIR SEAL

ASSEMBLY

HORIZONTAL

RIGHT

APPLICATION

A00071

Fig. 6 -- Conversion for Horizontal Right Applications Using A--Coil

FX4

Summary of Contents for FX4C

Page 1: ...hlight suggestions which will result in enhanced installation reliability or operation ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing or servicing unit always turn off all power to unit There may be more than 1 disconnect switch Turn off accessory heater power if applicable WARNING INTRODUCTION Models FX4C and FY4A are designed for...

Page 2: ...k between duct unit and floor NOTE To convert units for downflow applications refer to Installation Instructions supplied with kit for proper installation For slope fan coils use kit Part No KFADC0201SLP For A coils use kit Part No KFADC0401ACL Use fireproof resilient gasket 1 8 to 1 4 in thick between duct unit and floor NOTE Gasket kit number KFAHD0101SLP is also required for all downflow applic...

Page 3: ...RY DRAIN 1 3 4 IN FILTER ACCESS CLEARANCE A05173 Fig 2 Slope Coil Unit in Horizontal Left Application A B C FACTORY SHIPPED HORIZONTAL LEFT APPLICATION AIR SEAL ASSEMBLY HORIZONTAL DRAIN PAN REFRIGERANT CONNECTIONS SECONDARY DRAIN HORIZONTAL LEFT PRIMARY DRAIN HORIZONTAL LEFT COIL SUPPORT RAIL COIL BRACKET DRAIN PAN SUPPORT BRACKET COIL BRACKET A00072 Fig 3 A Coil in Horizontal Left Application Fa...

Page 4: ...ing 4 screws See Fig 6 b Remove air splitter B from coil seal assembly by removing 3 screws See Fig 6 factory shipped inset c Remove filter plate A and install air splitter B in place of filter plate d Install filter plate A as shown in horizontal right application e Remove condensate troughs C and install on opposite tube sheets f Install hose onto plastic spout 7 Install horizontal pan on right ...

Page 5: ...al Right Applications Using a Slope Coil COIL SUPPORT RAIL COIL BRACKET DRAIN PAN SUPPORT BRACKET COIL SUPPORT RAIL COIL BRACKET HORIZONTAL DRAIN PAN PRIMARY DRAIN HORIZONTAL RIGHT SECONDARY DRAIN HORIZONTAL RIGHT REFRIGERANT CONNECTIONS AIR SEAL ASSEMBLY A B C HORIZONTAL RIGHT APPLICATION A00071 Fig 6 Conversion for Horizontal Right Applications Using A Coil FX4C FY4A ...

Page 6: ...brous glass ducts Both acoustical lining and fibrous ductwork shall comply with National Fire Protection Association as tested by UL Standard 181 for Class 1 air ducts Step 4 Electrical Connections All products from the factory utilize a printed circuit board PCB which has a low voltage circuit protective fuse 5 amp fan motor speed tap selection terminal SPT and time delay relay TDR jumper To disa...

Page 7: ...AOT0301FST for 2 outdoor thermostat systems CAUTION The controls are factory circuited for single stage operation For 2 stage operation use outdoor thermostat kit Part No KHAOT0301FST and for 3 stage use both kits Part No KHAOT0201SEC and KHAOT0301FST When 2 stages are desired cut W3 at the W2 wire nut strip and reconnect per the thermostat kit instruction See Fig 13 When 3 stages are desired cut ...

Page 8: ...CONTROL RED GRY BRN WHT BLU VIO A94060 Fig 12 Wiring Layout Heat Pump Unit Cooling and 2 Stage Heat with No Outdoor Thermostat R G C E L O Y THERMOSTAT R R C O Y G C W2 W2 W2 W3 E ODTS FAN COIL CONTROL HEAT PUMP CONTROL RED GRY BRN WHT VIO BLU A94061 Fig 13 Wiring Layout Heat Pump Unit Cooling and 2 Stage Heat with 1 Outdoor Thermostat R G C L E O C 1 4 7 C 9 6 3 Y THERMOSTAT R R C O Y G C W2 W2 W...

Page 9: ...L HEAT PUMP CONTROL G C W2 E L G C R O Y ODTS O Y W3 W2 A03088 Fig 15 Wiring Layout Heat Pump Unit Cooling and 2 Stage Heat for Manufactured Housing 230 C 208 BRN RED YEL BLK SECONDARY PRIMARY A01050 Fig 16 Transformer Connections FX4C FY4A ...

Page 10: ... silver bearing or non silver bearing brazing materials Do not use solder materials which melt below 800_F Consult local code requirements 4 Evacuate coil and tubing system to 500 microns using deep vacuum method PRODUCT DAMAGE HAZARD Failure to follow this caution may result in product or property damage Wrap a wet cloth around rear of fitting to prevent damage to TXV and factory made joints CAUT...

Page 11: ...e Trap NOTE When connecting condensate drain lines avoid blocking filter access panel thus preventing filter removal After connection prime both primary and secondary condensate traps NOTE If unit is located in or above a living space where damage may result from condensate overflow a field supplied external condensate pan should be installed underneath the entire unit and a secondary condensate l...

Page 12: ...t R FAN RELAY NO 230VAC COM NC NONC SPT WIRE NUT TO BLOWER MOTOR CONVERSION KIT TRANSFORMER FROM MOLEX PLUG AND TRANSFORMER IN UNIT TO EAC 208 230VAC COM 24VAC COM 208 230 COM CONTROL BOARD G T C C C A03011 Fig 21 Wiring Layout of Electronic Air Cleaner to Fan Coil for FY4A Models Only R G C E L O Y THERMOSTAT R R C O Y G C W2 W2 W2 W3 E FAN COIL CONTROL HEAT PUMP CONTROL RED GRY BRN WHT WHT BLU V...

Page 13: ...stat closes R to W W energizes electric heat relay s which completes circuit to heater element s Blower motor is energized through normally closed contacts on fan relay When W is de energized electric heat relay s opens START UP PROCEDURES Refer to outdoor unit Installation Instructions for system start up instructions and refrigerant charging method details UNIT COMPONENT HAZARD Failure to follow...

Page 14: ... 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 roofing materials S Wrap all filter driers and service valves with wet cloth when brazing S A factory approved liquid line filter drier is required on every unit S Do NOT use an R 22 TXV S If indoor unit is equippe...

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