Daikin McQuay 910121754 Installation & Maintenance Data Download Page 4

Page 4 of 16 / IM 1171-3

Applications

The display sensor can be used on the products shown in 

Table 1

.

Table 1: Product usage guide

Units

 Product

Models 

Controls

Used with Digitally Adjustable Sensor 

with Temperature and Humidity Display

Water Source 

Heat Pumps

Horizonal

Enfinity

W. CCH, CCW

MicroTech III 

Unit Controller

Yes

Vertical

W. VFC, VFW

Vertical Stacked

W. VHC

Console

W. MHC, MHW

Horizontal & 

Vertical

SmartSource 1-Stage

W. GSH, GSV

MicroTech III SmartSource 

Unit Controller

SmartSource 2-Stage

W. GTH, GTV

Vertical

SmartSource Inverter

W. DFW

Daikin McQuay Inverter 

Controller

No

Fan Coils

Horizontal

ThinLine

FC.H, FH.H

MicroTech III Unit Controller

Yes

The display sensor for water source heat pump applications is shown in 

Table 2

.

Table 2: Water source heat pump application guide

Units

Product

Models

Applications

Cool-

ing

Heat-

ing

Dehumidification

Electric Heat

Water-

side 

Econo-

mizer

Stages

Smart 

Dehu-

midifi

-

cation

Hot Gas 

Reheat

Simpli-

fied

Hu-

midistat 

Con-

trolled

Dehu-

midifi

-

cation 

Only

Boil-

erless

Supple-

mental

Primary

3-Way 

Valve 

Control

Water 

Source 

Heat 

Pumps

Hori-

zontal 

Enfinity

W. CCH, 

CCW

1

1

No

No

No

No

No

No

No

No

No

Vertical

W. VFC, 

VFW

1

1

No

Yes

No

No

No

Yes

1

Yes

1

No

No

Vertical 

Stacked

W. VHC

1

1

No

No

No

No

No

No

No

No

No

Console

W. MHC, 

MHW

1

1

No

No

No

No

No

Yes

1

Yes

1

No

No

Hori-

zontal & 

Vertical

Smart-

Source 

1-Stage

W GSH, 

GSV

3

4

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Hori-

zontal & 

Vertical

Smart-

Source 

2-Stage

W. GTH, 

GTV

3

4

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Vertical

Smart-

Source 

Inverter

W. DFW

NA

NA

No

No

No

No

No

No

No

No

No

Note: 

1

With optional Boilerless controls

Summary of Contents for 910121754

Page 1: ...432 1342 www mcquay com Digitally Adjustable Display Sensor Used With Water Source Heat Pumps WSHP Sensor Part No 910121754 SmartSource Units Models GS GT Enfinity Units with MicroTech III Controls M...

Page 2: ...ication FCU Only 10 Heat Cool Auto Off 10 Fan Speed Indication FCU Only 10 Auto High Medium Low 10 System Mode Indication WSHP Only 10 Heat Cool Auto Off Dhum 10 Fan Indication WSHP Only 10 Auto On 10...

Page 3: ...ware jumper and menu change during configuration The sensor has a digital display for Temperature Humidity Occupancy Fan Speed System Mode Alarm Setpoint and Status indica tion Controls include six bu...

Page 4: ...mp applications is shown in Table 2 Table 2 Water source heat pump application guide Units Product Models Applications Cool ing Heat ing Dehumidification Electric Heat Water side Econo mizer Stages Sm...

Page 5: ...00 1 125 Termination Daikin McQuay recommends using a twisted shielded pair of at least 22AWG for the power wire connections The shield should be earth grounded only at the power source Larger gauge w...

Page 6: ...Signal Common Fan Speed Select Fan Coil Version Only Emergency Shut down Unoccupied Dehumidification Sensor Digitally Adjustable Room Temperature Sensor Part No 910121754 Figure 5 Fan Coil MicroTech I...

Page 7: ...re the cover by backing out the lock down screws using a 1 16 Allen wrench until it is flush with the sides of the cover Note in any wall mount application the wall temperature and the temperature of...

Page 8: ...1 from the controller is different from the sensor occupied state then the occupied icon will flash the desired occupancy state every 8 seconds indicating to the user a mismatch of the desired occupi...

Page 9: ...lay shows the actual room temperature or humidity Status Word Dot On The Display The Status Dot on the display indicates the unit status or alarm condition It is turned On and Off by interpreting the...

Page 10: ...display means the unit will not provide cooling heating dehumidification or fan operation E terminal goes Low Dhum on the display means that only dehumidification will operate There should always be...

Page 11: ...ur if jumpers are moved while there is power to the unit and sensor Figure 10 J50 Jumper see Figure 3 on page 5 for location Label Description Setting PRG Program Mode Program Mode Jumper installed or...

Page 12: ...ion No Sensor Fan button control FCU Models Fd Locks fan to the Fan Medium speed position No Sensor Fan button control FCU Models FL Locks fan to the Fan Low speed position No Sensor Fan button contro...

Page 13: ...Button Enabled Factory default Obd Occupancy Button Disabled P14 Firmware Version XXX X P15 For Units with a BACnet or LonWorks Communications Module Setpoint Calibration Offset Factory set to 0 UP t...

Page 14: ...ode to DHUM and check terminal DH for voltage Change the RH setpoint above and below the ambient RH to prove the output contact Replace unit if it still doesn t work Occupied Not Working Verify that t...

Page 15: ...stem status 5VDC max Termination 10 Terminals 16 to 22 AWG Mounting Standard 2 4 J Box or Drywall Field Setup Jumper J50 PRG Program Mode On Program Off Run F C Display Units On C Off F MDL MODEL On W...

Page 16: ...rsuant to its standard terms and conditions of sale including Limited Product Warranty Consult your local Daikin McQuay Representative for warranty details Refer to Form 933 430285Y To find your local...

Reviews: