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installation, start-up and
619FNF
619FNQ
service instructions
Sizes 018-03036
IN-CEILING CASSETTE
FAN COIL UNITS
Cancels: New II 619F-18-1
4/1/06
CONTENTS
GENERAL
Page
CAUTION: This system uses Puron® refrigerant
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 1
(R-410A), which has higher pressures than R-22 and
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 other refrigerants. No other refrigerant may be used in
this system. A
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INSTALLATION C. Consider System Requirements Consult local building codes and NEC for special installation I. STEP 1 — COMPLETE PRE-INSTALLATION CHECKS requirements. Use only designated indoor units with outdoor A. Unpack Unit (See Fig. 1) units. See Tables 2-4B. Move the unit to final location. The grille panel and the See Fig. 2 for unit dimensions. Allow sufficient space for air- remote control are packed separately for maximum protec- flow clearance, wiring, refrigerant piping, and servicing
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1- 3/16" (30) 2" (50) 2-5/8"(66) 7/8"(48) 1? 10-5/8?(575) ? 1' -10-5/8"(575) 3/8"(9) 2"(52) Ø 2-3/14" (70) 1 -5/16"(49) 2-13/64"(56) 2'-4-11/32"(720) Supply air Supply air Return air 1'-9-21/32"(550) 619FNF018 Ø1"(25) 1-7/8"(47) 2'-8-1/2"(825) 2'-8-1/2"(825) 1 -31/32" (50) 11-57/64" (302) Supply air Supply air Return air 1'-11-7/16"(595) 619FNF024, 03036 / 619FNQ01824, 03036 Ø3-15/16" (100) NOTE: Dimensions in ( ) are in mm. Fig. 2 — Unit Dimensions —3— Ø) 5-29/32" (150 Ø5-29/32"(150) 1-15
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Table 4A — 619FNF Physical Data SYSTEM SIZE 018 024 030 036 NOMINAL CAPACITY (Btuh) 17,000 23,600 29,000 36,400 OPERATING WEIGHT (lb) 49 91 95 95 SEER 13 REFRIGERANT* R-410A Control (Cooling) AccuRator Control INDOOR FAN Direct Drive Centrifugal Rpm/Cfm High 1000/470 440/690 660/910 660/910 Rpm/Cfm Medium 890/420 360/560 550/760 550/760 Rpm/Cfm Low 730/340 300/470 470/670 470/670 Motor Watts 120 110 210 210 Blowers Quantity...Size (in.) 1...11.1 INDOOR COIL Copper Tube, Aluminum Fin Face Area (s
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Table 4B — 619FNQ Physical Data SYSTEM SIZE 018 024 030 036 NOMINAL CAPACITY (Btuh) Heat Pump Cooling 17,900 22,600 29,200 33,400 Heating 16,800 20,800 27,400 32,400 Cooling with Electric Heat 17,000 22,600 29,000 36,000 SEER 13 HSPF 7.7 OPERATING WEIGHT (lb) 91 91 95 95 REFRIGERANT* R-410A Control (Cooling) AccuRator Control Control (Heating) AccuRator Control INDOOR FAN Direct Drive Centrifugal Rpm/Cfm High 440/690 440/690 660/910 660/910 Rpm/Cfm Medium 360/560 360/560 550/760 550/760 Rpm/Cfm
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II. STEP 2 — LOCATING AND MOUNTING THE UNIT cable (see Fig. 2 for dimensions). The cardboard template (supplied with the unit) may be used as a guide. Depending A. Locating the Unit on the type of ceiling, the hangers can be fixed as shown in Install the unit as centrally as possible in the room. The air- Fig. 5. flow direction can be controlled by the remote control (where Once the threaded hangers have been positioned, do not used) or automatically, according to the unit operating mode tighten
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Spirit False Level Ceiling 1“ to 1-3/16” Fig. 4 — Positioning Unit Fig. 8 — Align and Level the Unit Outdoor 3/16"÷3/8" (5÷10 mm) Indoor Nut Washer Washers Threaded hangers Fig. 9 — Drilling for Connections Threaded hangers Washer Wooden frame Nut The condensate may be discharged at a maximum height of Nut Nut 7 7 / in. above the unit, as long as the ascending tube is verti- 8 Fig. 5 — Attaching Hangers to Ceiling cal and aligned with the drainage flange. If it is necessary to discharge the
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2% 2” (50 mm) A. Gasket "A" B. Gasket "B" max. 7-7/8”(200 mm) A AIR B Fig. 10 — Condensate Drain Pipe Fig. 13 — Gasket Location Frame support brackets III. STEP 3 — LOCATING AND MOUNTING THE ROOM CONTROLLER WARNING: Electrical shock can cause personal injury and death. Shut off all power to this equipment during installation. There may be more than one dis- connect switch. Tag all disconnect locations to alert others not to restore power until work is completed. A. Locating the Room Cont
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P G C P G C 4-1/4" (108mm) 3/4"(20mm) Fig. 14 — Room Controller Dimensions B. Mounting the Room Controller (Fig. 15-17) Unscrew the side fixing screw. Open the room controller rear mounting base to expose the mounting holes. The base can be removed to simplify mounting (snap apart carefully at hinge to separate mounting base from the rest of the room controller). Route the room controller wires through the large hole in the mounting base. Level the mounting base against the wall (for aesthetic v
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L IV.STEP 4 — COMPLETE REFRIGERANT PIPING If either refrigerant tubing or indoor coil is exposed to the CONNECTIONS atmosphere, the system must be evacuated following good refrigeration practices. IMPORTANT: During unit installation make the refrigerant connections first and then the electrical connections. If the unit is uninstalled, disconnect the electrical cables first and then the refrigerant connections. Refer to the outdoor unit installation instructions for tube sizing and limitations. U
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V. STEP 5 — MAKE ELECTRICAL CONNECTIONS unit, readily accessible, but out of reach of children. Provi- sion for locking the switch open (off) is advisable to prevent WARNING: Unit cabinet must have an uninter- power from being turned on while unit is being serviced. Dis- rupted, unbroken electrical ground to minimize the connect switch, fuses, and field wiring must comply with the possibility of personal injury if an electrical fault NEC and local code requirements. Use copper wire only should
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Room Controller Connections Low Voltage Outdoor Unit Connections Power Connections Ground Connection High Voltage Fig. 21 — 619FNF Unit Matched to 538ENF Outdoor Unit — Wiring Connection (Cooling Only System) —12—
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Room Controller Connections Low Voltage Outdoor Unit Connections Power Connections Ground Connection High Voltage Fig. 22 — 619FNQ Unit Matched to 538ENF Outdoor Unit — Wiring Connection (Cooling with Electric Heat System) —13—
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Room Controller Connections Low Voltage Outdoor Unit Connections Power Connections Ground Connection High Voltage Fig. 23 — 619FNQ Unit Matched to 538QNF Outdoor Unit — Wiring Connection (Heat Pump System) —14—
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NOTE 6 NOTE 5 NOTE 4 DISPLAY TM-COIL TM-AIR " " MODULAR D CONTROL 1PCB BARE COPPER TO UNIT DISCONNECT (USE CABLE PROVIDED) EQUIP. GND 619FNF GLOBAL CASSETTE 538ENF OUTDOOR CONDENSER NOTE 7 EQUIP GND 208/230V 1PH (SEE NOTE 9) TO OUTDOOR UNIT DISCONNECT TO CASSETTE TO CASSETTE NOTE 8 LEGEND NOTES: 1. If any of the original wire furnished must be replaced, it must be 1PCB — Main Control Printed OFM — Outdoor Fan Motor replaced with Type 90° C wire or its equivalent. Circuit Board OL — Overload 2. W
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NOTE 6 NOTE 5 NOTE 4 DISPLAY TM-COIL TM-AIR MODULAR "D" CONTROL 1PCB BARE COPPER TO UNIT DISCONNECT EQUIP. GND (USE CABLE PROVIDED) 619FNQ GLOBAL CASSETTE 538ENF OUTDOOR CONDENSER EQUIP GND 208/230V NOTE 7 1PH (SEE NOTE 9) TO OUTDOOR UNIT DISCONNECT TO CASSETTE NOTE 8 TO CASSETTE NOTES: LEGEND 1. If any of the original wire furnished must be replaced, it must be 1PCB — Main Control Printed replaced with Type 90° C wire or its equivalent. LMS — Louver Micro Switch Circuit Board OFM — Outdoo
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NOTE 6 NOTE 5 NOTE 4 DISPLAY TM-COIL TM-AIR OUTDR DEFR ST O MODULAR "D" CONTROL 1PCB BARE COPPER TO UNIT DISCONNECT EQUIP. GND (USE CABLE PROVIDED) 619FNQ GLOBAL CASSETTE 538QNF OUTDOOR CONDENSER 208/230V EQUIP GND NOTE 7 1PH (SEE NOTE 9) TO OUTDOOR UNIT DISCONNECT TO CASSETTE TO CASSETTE TO CASSETTE TO CASSETTE TO CASSETTE TO CASSETTE NOTE 8 TO CASSETTE TO CASSETTE LEGEND NOTES: 1. If any of the original wire furnished must be replaced, it must be 1PCB — Main Control Printed OAS — Outdoo
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CA CLR CG CV CP C G CV CP CLR CA INTERNAL CONTROL PANEL INTERNAL CONTROL PANEL 619FNF018 619FNF024, 03036 619FNQ01824, 03036 Capacitor CV Fan connector GMC board CLR LED/RECEIVER connector Electric heater board CG Float connector (only on models with electric heater) CP Pump connector Transformer CA Louver connector Holes for fixing panel in position Emergency push-button Fig. 27 — Internal Control Panel —18—
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C. Wiring the Room Controller INSTALLATION OPTIONS The room controller is capable of controlling from 1 to 6 fan The 619FNF, FNQ units can be used to cool an adjacent coil units. The total run length of the wire connecting the room or for fresh-air ventilation. Plan the installation care- room controller to the fan coil units should be kept to under fully. Measure carefully and follow acceptable building prac- 500 feet. Wire the room controller to the unit using daisy tices and the National Elec
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B Ø C Duct connection flange Clip 1/4" (6 mm) neoprene gasket 619FNF024, 03036 Insulated flexible duct Unit 619FNF018 619FNQ01824, 03036 Fresh air intake Ø A 5-29/32"(150 mm) 5-29/32"(150 mm) Conditioned air supply to an adjacent room B 4-3/4"(120 mm) 4-3/4"(120 mm) Polystyrene partition Ø C 2-3/4"(70 mm) 3-15/16"(100 mm) Note: Baffle (619FNF018 only) NOTE: Dimensions in ( ) are in mm. Dimensions in ( ) are in mm. Frame Air intake grille Wall Undercut door Wall-fitted grille Door-fitted grille
