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Introduction

www.DaikinApplied.com 

IM 1272 • OPTILINE VERTICAL FAN COILS

Introduction

General 

 CAUTION

Sharp edges and coil surfaces are a potential injury hazard. Avoid contact 

with them.

This manual contains the installation and operating instructions 

for your an coil system. There are some precautions that 

should be taken to derive maximum satisfaction from it. 

Improper installation can result in unsatisfactory operation or 

dangerous conditions. 
Read this manual and any instructions packaged with separate 

equipment prior to installation. Give this manual to the owner 

and explain its provisions. The owner should retain this manual 

for future reference. 

Safety Information

 NOTICE

The manufacturer’s warranty does not cover any damage or defect to 

the air conditioner caused by the attachment or use of any components, 

accessories or devices (other than those authorized by the manufacturer) 

into, onto, or in conjunction with the air conditioner. you should be aware 

that the use of unauthorized components, accessories or devices may 

adversely affect the operation of the air conditioner and may also endanger 

life and property. The manufacturer disclaims any responsibility for such 

loss or injury resulting from the use of such unauthorized components, 

accessories or devices. 

 WARNING

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 position as specified in the Mechanical 

Installation section of these instructions. Provide adequate combustion and 

ventilation air to the unit space as specified in the venting section of these 

instructions.

 

DANGER

Combustion products must be discharged outdoors. Connect this unit to an 

approved vent system only, as specified in Mechanical Installation section 

of these instructions. Use only with type of gas approved for this unit. Refer 

to the unit rating plate. 

 

DANGER

Never test for gas leaks with an open flame. It can cause an explosion or fire 

resulting in property damage, personal injury or death. Use a commercially 

available soap solution made specifically for the detection of leaks to check 

all connections, as specified in the Mechanical Installation section of these 

instructions. 

 WARNING

Always install unit to operate within the unit’s intended temperature-rise 

range with a duct system which has an external static pressure within the 

allowable range, as specified in the Mechanical Installation section of these 

instructions. See also unit rating plate.

 

 WARNING

Units are not design certified to be installed inside the structure. Doing so 

can cause inadequate unit performance as well as property damage and 

carbon monoxide poisoning resulting in personal injury or death. 

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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