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IM 1272 • OPTILINE VERTICAL FAN COILS 4 

www.DaikinApplied.com

Introduction

Design and Take-off Precautions

Attention should be paid to the height of drywall which 

encapsulates ductwork in a bulkhead. Note the height of the 

side supply air opening shown in the submittal and ensure that 

the drywall does not interfere with the side wall grille. Make 

allowance for the 1" flange around the grille. Call Daikin at the 

time of submittal review if side supply air openings need to be 

lowered or rotated to a vertical position to avoid interference 

with walls or doors.
The FSG vertical stacked fan coil unit is designed to have 

drywall applied directly to the face of the unit. Floor sleeves 

and extension sleeves through shear walls are not included.

It is important to accurately locate the floor sleeve relative to 

the fan coil and the drywall. 

Receiving Inspection

The entire shipment should be inspected for damage, either 

readily visible or concealed. Any damage must be noted on the 

freight bill by the carrier’s agent and Daikin notified within 24 

hours.
Check riser projections at each end of the cabinet for damage 

that would prevent making an acceptable piping connection.
Check internal piping, coil and valve packages for possible 

transit  damage. If contractor/installer deem it necessary 

to tighten mechanical fittings Daikin does not assume any 

responsibility for this procedure. It is stressed that the 

component manufacturer’s recommended procedures be 

strictly followed.
Thermostats, and other accessories which have been shipped 

separately should be inspected for transit damage.

Electrical Connection

It is assumed that the fan coil unit will be in a dedicated 

electrical circuit. If the unit is to be in a circuit which includes 

electrical outlets or other electrical devices, Daikin must be 

informed prior to releasing the units for production.

Handling

Avoid dropping or jarring the fan coil unit during offloading 

and moving the unit into position.  Do not lift the unit using the 

riser pipes.
Unless otherwise requested by the customer at the time of 

shop drawing approval, the cabinet insulation is left intact, 

covering the supply air openings and, if applicable, the 

secondary return air opening to prevent dust, snow or rain 

from entering the unit. The installer is responsible for cutting 

out the insulation and buttering the cut edge prior to installing 

the grilles.

Accessories

Do not install grilles or thermostats until after the walls have 

been painted. Caution the painter against spraying over the 

labels on the front cover of the unit.

Installation Identification

The fan coil unit has a label pasted on the panel that shields 

the motor/blower. The label shows either the floor and riser 

number or the room number.The unit must be placed in the 

correct location in the building in accordance with the label.

Handling

If the unit has risers attached, do not lift the unit using the riser 

pipes. Protect the fan coil from rain and snow. 

Summary of Contents for OptiLine FSG

Page 1: ...Installation Operation and Maintenance IM 1272 Group Fan Coils Part Number 910243712 Date July 2018 OptiLine Vertical Stack Fan Coil Model FSG...

Page 2: ...Receiving Inspection 4 Installation 5 Installation of Units with Risers Attached 5 Maintenance 7 Operating Instructions 8 Standard Thermostat Digital Programmable Thermostat 8 Adjusting the Maximum CF...

Page 3: ...Provide adequate combustion and ventilation air to the unit space as specified in the combustion and ventilation air section of these instructions WARNING Install this unit only in a location and pos...

Page 4: ...rocedure It is stressed that the component manufacturer s recommended procedures be strictly followed Thermostats and other accessories which have been shipped separately should be inspected for trans...

Page 5: ...fittings must be checked prior to pressure testing the system by the contractor as part of the installation procedure Mechanical fittings can loosen during transportation and handling If contractor in...

Page 6: ...ian must carry out the work The junction box is located behind the fan motor shield Electrical power to the unit should be disconnected by opening the remote disconnect device prior to removing the fa...

Page 7: ...the grille panel Grasp the bottom edge of the door and sharply pull the door forwards Lift the door to the horizontal position The filter is now accessible and is removed by sliding it upwards out of...

Page 8: ...al to a 0 10VDC Adjusting the Maximum CFM WARNING If the maximum CFM is adjusted to a value above the design airflow excessive air noise could occur The maximum CFM is factory set to the closest nomin...

Page 9: ...e than 100 F the A2 aquastat energizes the control valve If the water drops below 75 F the aquastat de energizes the control valve and energizes the electric heat relay The A2 aquatat has black yellow...

Page 10: ...d there is supply voltage to the fan motor replace the fan assembly If the system is change over or has auxiliary electric there check the voltage at the aquastats If no voltage is present at BLK or Y...

Page 11: ...r free and proper fan rotation Record electrical supply voltage and amperage Check all wiring for secure connections Close all unit isolation valves Flush water systems Open all isolation valves after...

Page 12: ...1 2 TB1 1 2 5 6 YEL BLK QC3 5 8 2 1 QC3 BLK BLK BLK BLK BLK N L L2 L1 MAX FUSE 15 AMPS SYM Description DISC SWITCH 1 POLE 120 277V 30A XMR1 TRANSFORMER 120 208 240 277 TO 24V 40VA CLASS 2 F1 FUSE 250V...

Page 13: ...12 AMPS BLK BLK BLK 2 1 BLK BLK L2 L1 TB1 1 2 5 6 YEL BLK QC3 5 8 2 1 QC3 L1 L2 SYM Description DISC SWITCH 2 POLE 120 277V 30A XMR1 TRANSFORMER 120 208 240 277 TO 24V 40VA CLASS 2 M1 MOTOR 208V 1 10...

Page 14: ...LD 22AWG 2 COND SHIELD AC DC SHIELDED WIRE GND L N QC3 QC3 2 M1 L2 GND SYM Description DISC SWITCH 1 POLE 120 277V 15A XMR1 TRANSFORMER 120 208 240 277 TO 24V 40VA CLASS 2 M1 EBM MOTOR 120V 1 5 HP CVA...

Page 15: ...WIRE N GND NC GND 1 8 AMPS FAN MOTOR QC3 M1 2 QC3 SYM Description DISC SWITCH 1 POLE 120 277V 15A XMR1 TRANSFORMER 120 208 240 277 TO 24V 40VA CLASS 2 M1 MOTOR 208 277 2 3 HP QC3 9 PIN QUICK CONNECT...

Page 16: ...rn ON OFF thermostat 7 Set point icons Display set point temperature while it is flashing 8 Fan icons Indicate Fan status 9 Flake icon Indicate working in Cooling mode 10 Hot spring icon Indicate work...

Page 17: ...uit of the controller Mounting front cover Lock front cover on the backplate by tightening the cover screw underneath with Philip screwdriver Wiring Example 1 All wires must be inserted above the reta...

Page 18: ...cription Remarks 1 Normal Display Display current room or set point temperature and current time day Setting SP parameter in engineer table to choose current room or set point temperature 2 Temperatur...

Page 19: ...d com 19 IM 1272 OPTILINE VERTICAL FAN COILS Figure 10 User Mode Operation Sequence Figure 11 Overview for the Settings of Clock and Programmable Schedules MODE Press MODE FAN or POWER button to escap...

Page 20: ...IM 1272 OPTILINE VERTICAL FAN COILS 20 www DaikinApplied com Addendum Figure 12 Detailed State Diagram for Clock Setting...

Page 21: ...13 Detailed State Diagram for Schedule Setting Press Mode button to select day shows steadily deselect day flash Press MODE button to toggle Cooling Heating Set points Press MODE button to toggle Cool...

Page 22: ...0 8 00 8 00 8 00 8 00 60 F 60 F 60 F 60 F 60 F 60 F 60 F Sch 3 MODE 18 00 18 00 18 00 18 00 18 00 18 00 18 00 70 F 70 F 70 F 70 F 70 F 70 F 70 F Sch 4 MODE 22 00 22 00 22 00 22 00 22 00 22 00 22 00 60...

Page 23: ...LS Control Actions ON OFF Valve Controls When Cooling or Heating is on a Running Gear MODE icon will be shown on the LCD Figure 14 Cooling and Heating Control Auto Changeover Dead band Option 0 Figure...

Page 24: ...o be ESIC ESIH refer to Engineer table for details When the contact is deactivated Open Room will be back to be occupied it will set the set point values back to normal 3 The icon MODE MODE MODE or MO...

Page 25: ...ter into engineer mode 2 Press UP or DOWN button to rotate the menu item and press MODE button to enter into the item 3 Press UP or DOWN button to change the setting and press MODE button to confirm t...

Page 26: ...0 10 0 10 0 0 0 18 0 18 0 0 1 C F E12 Pb Proportional Band or Stage Width 2 0 0 10 0 3 6 0 18 0 0 1 C F E13 LOC Bit Definition Bit 0 Mode Button 1 Down Buttons 2 Up Button 3 Fan Button 4 Power Button...

Page 27: ...F Type Step Default Range Default Range E21 dirH Heating Valve N C N O Setting 1 0 1 0 0 1 0 N O 1 N C E22 dbOP Dead band Options 1 0 1 1 0 1 0 DB is aligned to Cooling SP 1 SP is in the middle of DB...

Page 28: ...t to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Applied Representative for warranty details To find your local Daikin Applied Representative...

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