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Safety

 WARNING

 

Wiring  connections  must  be  made  in  accordance  with  all 

 

applicable electrical codes. Failure to read and follow all instruc

-

tions carefully before installing or operating this control could 

cause personal injury and/or property damage.

 CAUTION

  To prevent electrical shock, disconnect electric power to system 

at main fuse or circuit breaker box until installation is complete.

 NOTICE

  If in doubt about whether your wiring is millivolt, line, or low volt

-

age, have it inspected by a qualified heating and air condition

-

ing contractor or electrician. 

  Do not exceed the specification ratings.

  All wiring must conform to local and national electrical codes 

and ordinances.

  This control is a precision instrument, and should be handled 

carefully. Rough handling or distorting components could cause 

the control to malfunction.

  The remote sensors cannot be used with systems where power 

interruptions are part of normal system operation.

 NOTICE

 

MERCURY NOTICE

  This product does not contain mercury. However, this product 

may  replace  a  product  that  contains  mercury.  Mercury  and 

products containing mercury must not be discarded in house-

hold  trash.  Do  not  touch  any  spilled  mercury.  Wearing  non-

absorbent gloves, clean up any spilled mercury and place in a 

sealed container. For proper disposal of a product containing 

mercury or a sealed container of spilled mercury, place it in a 

suitable shipping container. Refer to www.thermostat-recycle.

org for location to send the product containing mercury.

Contents

Safety ....................................................................................2

Applications .........................................................................3

Termination ..........................................................................3

Installation ............................................................................4

Mounting

 ...........................................................................4

Drywall Mounting ..............................................................4

Field Wiring .......................................................................

5

Maintenance

 .....................................................................

5

Terminal Descriptions .......................................................

5

Sensor Functions ................................................................6

Summary of Contents for IOM 1177

Page 1: ...cquay com Room Temperature Sensor Adjustable Cool Warm With Occupancy Switch Sensor Part No 910121753 Used With Water Source Heat Pumps SmartSource Units with MicroTech III Controls Models GS GT Enfinity Units with MicroTech III Controls Models CCH CCW VFC VFW LVC LVW MHC MHW VHC VHF IMPORTANT Operator save these instructions for future use ...

Page 2: ...nd should be handled carefully Rough handling or distorting components could cause the control to malfunction The remote sensors cannot be used with systems where power interruptions are part of normal system operation NOTICE MERCURY NOTICE This product does not contain mercury However this product may replace a product that contains mercury Mercury and products containing mercury must not be disc...

Page 3: ...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 Yes1 Yes 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 Yes1 Yes 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...

Page 4: ...apping the bottom into position Figure 1 Junction box mounting Junction box Field provided thermostat wiring 6 32 1 2 mountings screws Drywall Mounting 1 Place the base plate against the wall where you want to mount the sensor 2 Mark out the two mounting holes where the unit will be attached to the wall Drill a 3 16 hole in the center of each mounting hole and insert a drywall anchor into the hole...

Page 5: ...t Fan Unit Mode Setpoint Adjustment Room Temperature Sensor Tenant Override DC Signal Common Emergency Shutdown Unoccupied Adjustable Cool Warm Room Temperature Sensor with Occupancy Switch Part No 910121753 Maintenance Wipe the display as needed with a damp water only cotton cloth Do not use any type of cleaner as it may damage the buttons or scratch the display Do not paint Terminal Descriptions...

Page 6: ...ycle on a call for heat or cool in the unoccupied mode Status LED This green LED will light to indicate the system status See Table 8 for unit status LED definitions Override Button When the Override button is pressed the thermistor sensor across terminal 4 is shorted If held for more than 5 seconds but less than 11 seconds it puts the water source heat pump controller into a timed Occupied Overri...

Page 7: ...IOM 1177 Page 7 of 8 This page left blank intentionally ...

Page 8: ... 2012 McQuay International 800 432 1342 www mcquay com IOM 1177 Page 8 of 8 ...

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