Carrier PTACSTAT-NP-HC Installation & Operating Manual Download Page 30

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WIRING DIAGRAMS

GL or GH

COM

52MPTAC

Thermostat

A08096

Fig. 7 -- A/C Thermostat Typical Installation

GL or GH

O/B

Thermostat

52MPTAC

COM

Reversing Valve

Heat

Cool

Fan

24VAC Heating

24VAC Cooling

Common

A08097

Fig. 8 -- HP Thermostat Typical Installation

Summary of Contents for PTACSTAT-NP-HC

Page 1: ...PTACSTAT NP HC PTACSTAT NP HP Installation Instructions Operating Manual A07050 Non Programmable Thermostat NOTE Read the entire instruction manual before starting the installation ...

Page 2: ...2 ...

Page 3: ...ructions carefully Follow all local electrical codes during installation All wiring must conform to local and national electrical codes Improper wiring or installation may damage thermostat Recognize safety information This is the safety alert symbol When you see this symbol on the equipment and in the instruction manual be alert to the potential for personal injury Understand the signal words DAN...

Page 4: ...ing and cooling setpoints backlighting and built in installer test This Installation Instruction guide and owners manual covers installation configuration start up and operation of the PTAC specific Comfort Series line of thermostats INSTALLATION CONSIDERATIONS Models There are two models for the PTAC Comfort Series non programmable thermostat AC and HP versions The model PTACSTAT NP HC x is desig...

Page 5: ...atic For HeatCool system 5 wires are needed for 24VAC operation and 4 wires are required for battery operation For HP system 6 wires are needed for 24VAC operation and 5 wires for battery operation When battery operation is used the C terminal does not need to be connected NOTE Batteries are not required when there are enough wires for proper operation INSTALLATION Mounting to a horizontal junctio...

Page 6: ...t ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death Before installing thermostat turn off all power to equipment There may be more than 1 power disconnect Lock out and tag switch with a suitable warning label WARNING 1 Turn OFF all power to unit 2 If an existing thermostat is being replaced a Remove existing thermostat from wall b Disconnect wires ...

Page 7: ...ting holes The base can be removed to simplify mounting Press the thumb release at the top of the thermostat and snap apart carefully to separate mounting base from remainder of thermostat 4 Route thermostat wires through large hole in mounting base Level mounting base against wall for aesthetic value only thermostat need not be level for proper operation and mark wall through 2 mounting holes See...

Page 8: ...e to reach proper terminal and connector block on mounting base with 1 4 in of extra wire Strip only 1 4 in of insulation from each wire to prevent adjacent wires from shorting together when connected See Fig 2 A08094 Fig 2 Secure Wires to Terminal Strip 8 Match and connect wires from the PTAC unit to proper terminals on the ther mostat connector blocks see Fig 3 Do not remove factory installed ju...

Page 9: ... 24 VAC from cooling equipment Rh 24 VAC from heating equipment W Heating C Common 24 VAC G Fan Y Cooling O B reversing valve Not used OR OR or PTAC Terminal Designations Thermostat Terminal Designations A08092 Fig 3 Terminal Designations ...

Page 10: ...ng is correct before proceeding with installation or turning on unit CAUTION 9 Push any excess wire into wall and against mounting base Seal hole in wall to prevent air leaks Leaks can affect operation 10 Snap case back together Attach thermostat to backplate by inserting tab on bottom edge and hinging up until top snap secures See Fig 4 A08095 Fig 4 Attach Comfort Series Programmable Thermostat ...

Page 11: ...ool thermostat cannot be configured to operate a HeatPump unit NOTE If a common wire has not been connected two AA batteries must be used to power the thermostat Step 3 Set Thermostat Configuration Configuration options enable the installer to configure the thermostat for a particular installation These must be set correctly to insure proper PTAC operation Following is a list of the options availa...

Page 12: ...can be adjusted using the UP and DOWN keys To cause the opposite pair to flash to be adjustable press the MODE key Successive presses of the MODE key alternate between the configuration number and the configuration setting To exit the configuration mode press the FAN key If no key is pressed for 3 minutes the configuration mode will automatically exit returning the thermostat to normal operation a...

Page 13: ... units Selections F Fahrenheit C Centigrade Default is Fahrenheit Option 04 Not used on a PTAC system Default OF Option 07 Not used on a PTAC system Default OF Option 10 Reversing valve HP only This selection is only available on heat pump systems O B terminal can be configured to be energized in either heating mode or in cooling mode depending on heat pump operation C Thermostat output O B will h...

Page 14: ...imum Cycles Per Hour Selections 2 4 or 6 Default is 4 The maximum cycle rate is limited by internal timers to the selected number of cycles per hour Selection of a higher number causes faster cycling resulting in more constant room temperature Based on the selection of 2 4 or 6 cycles per hour a timer is set to 30 15 or 10 minutes This much time must elapse from the start of one cycle before anoth...

Page 15: ...Configuration Selections ON OF Default is OF When ON is selected and the thermostat is not battery operated a low level continuous display backlight is always on With OF selected the backlight is only on for a short time after a key is pressed NOTE Continuous backlight is not available with battery operation Option 26 Minimum Cooling Setpoint Selections 52_ to 90_F Default is 62_F Sets the lowest ...

Page 16: ...99 will appear on the large upper display and 10 will appear on the lower To perform the reset first use the MODE key to make the 10 flash Then press and hold the DOWN key The 10 will start counting down toward zero If the DOWN key is kept pressed until the count reaches zero the reset will be performed If the DOWN key is released early the number will return to 10 and the reset will not occur Ste...

Page 17: ...es of heating the request will be active for 3 minutes on each stage Changing the mode to OFF will terminate any running test immediately During any test the display icons will be displayed the same as for normal operation of that stage as follows SELECTED MODE DISPLAY ICONS off off cool cool on heat heat on aux heat on Em Heat HP only aux heat on To terminate the Installer Test mode press the up ...

Page 18: ...N Selects whether the fan operates continuously on or in cycle mode auto b MODE Selects whether thermostat is set for heating cooling emergency heat heat pump system only or off c UP Increases the temperature or adjusts the screen selection up when setting advanced programming features d DOWN Decreases the temperature or adjusts the screen selection down when setting advanced programming features ...

Page 19: ...ighting is only available if the thermostat is operated from 24VAC It is not available with batteries Continuous low level backlighting is a configurable option see configuration settings above 4 1 5 7 3 2 8 9 11 6 10 12 A08089 Fig 6 On screen indicators On Screen Indicators 1 Fan mode on or auto 2 Thermostat mode is off 3 Current Setpoint or Room temperature if configured to display room temp ...

Page 20: ...s cool as you would like it to be These steps will hold the temperature where you set it 1 To change the heating temperature press the mode button on the left until the screen says heat 2 Press the up or down button located on the right side of the display until you reach the desired temperature 3 To change the cooling temperature press the mode button on the left until the screen says cool 4 Pres...

Page 21: ...n t keep up with demand Units with heat pumps use auxiliary heat when it s too cold outside for the heat pump to heat the space The display indicator for this is aux heat on Here s how to set your thermostat to use emergency heat 1 Press the mode button repeatedly until you see Em heat in the upper left of the display 2 To turn off emergency heat press the mode button again to select heat cool or ...

Page 22: ...t the thermostat from the top of the wall plate 3 Remove the thermostat from the wall bracket completely by bringing it slightly toward you and lifting it up and off the lip on the lower edge of the wall bracket 4 You will see the batteries in the lower right corner Replace the batteries with two AA alkaline batteries 5 Put the thermostat back on the wall bracket by lining up the slot on the botto...

Page 23: ...can not keep up with demand running in heat pump mode There is a power outage If you lose electricity and have batteries installed the thermostat will continue to display the indoor temperature because it has a battery backup power source This means that even though your heating and cooling system doesn t work you will still be able to monitor the room temperature NOTE With or without batteries an...

Page 24: ...ning on the display icons which show the equipment is operating will be flashing to indicate a turn on delay is present You get a system error message Here are the possible system error messages and what they mean The room air sensor reports that the room air temperature is above 150_F or below 50_F E4 The memory has failed and the thermostat will return to the factory settings ...

Page 25: ...RST Contact the installer SECOND Contact the nearest distributor See telephone yellow pages THIRD Contact Carrier Corporation PTAC Consumer Relations P O Box 4808 Syracuse New York 13221 Phone 1 800 894 6449 Model No Unit Serial No Date of Installation Installed by Name of Owner Address of Installation ...

Page 26: ...red letter to Carrier Corporation PTAC Consumer Relations P O Box 4808 Syracuse New York 13221 of any defect or complaint with the product stating the defect or complaint and a specific request for repair replacement or other correction of the product under warranty mailed at least thirty 30 days before pursuing any legal rights or remedies WARRANTY CONDITIONS 1 The warranty applies only to produc...

Page 27: ...S WARRANTIES MADE IN THIS WARRANTY ARE EXCLUSIVE AND MAY NOT BE ALTERED ENLARGED OR CHANGED BY ANY DISTRIBUTOR DEALER OR OTHER PERSON WHATSOEVER THIS WARRANTY DOES NOT COVER 1 1 Any product ordered over the Internet 2 Any product not installed by a licensed or otherwise qualified HVAC technician 3 Labor or other costs incurred for diagnosing repairing removing installing shipping servicing or hand...

Page 28: ...talled outside the U S A or its territories and Canada 10 Electricity or fuel costs or increases in electricity or fuel costs from any reason whatsoever including additional or unusual use of supplemental electric heat 11 ANY SPECIAL INDIRECT OR CONSEQUENTIAL PROPERTY OR COMMERCIAL DAMAGE OF ANY NATURE WHATSOEVER Some states and provinces do not allow the exclusion of incidental or consequential d...

Page 29: ...able stage of heating or cooling It may be useful in checkout or troubleshooting Table 1 Outputs EQUIPMENT CONFIGURATION OPTION 1 COOL STAGE 1 HEAT STAGE 1 HEAT STAGE 2 EM HEAT PC Y G W PH RVS C O Y G O B Y G Y G W W PH RVS H B Y G Y G O B Y G W O B W PTAC ...

Page 30: ...COM 52MPTAC or Thermostat A08096 Fig 7 A C Thermostat Typical Installation GL or GH O B O Thermostat 52MPTAC W W Y Y G Rh Rc R C COM or Reversing Valve Heat Cool Fan 24VAC Heating 24VAC Cooling Common A08097 Fig 8 HP Thermostat Typical Installation ...

Page 31: ...g and Cooling Setpoints Option 13 ____ Room Air Temperature Offset Adjustment Option 16 ____ Cycles Per Hour Option 17 ____ Time Between Equipment Stages Option 18 ____ Backlight Configuration Option 26 ____ Minimum Cooling Setpoint Option 27 ____ Maximum Heating Setpoint Option 39 ____ Display Setpoint Only or Setpoint and Room Temperature Option 99 ____ Reset to Factory Default Settings See conf...

Page 32: ...310 W Morris St S Indianapolis IN 46231 Printed in U S A Edition Date 03 08 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No PTACSTAT NP 01SI Replaces NEW ...

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