Johnson Controls T500HCP-1 User Manual
Johnson Controls T500HCP-1 User Manual

Johnson Controls T500HCP-1 User Manual

Programmable thermostats

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T500 Series Programmable Thermostats
T500 Series Thermostats provide an economical
control solution for single-stage, multi-stage, or heat
pump systems. Up to four event setpoints can be
selected, as well as heat, cool, automatic changeover,
and off modes.
Thermostats are available in the following types:
T500HCP-1 (1 heat/1 cool), T500HPP-1 (heat pump,
3 heat/2 cool), T500HPP-2 (heat pump, 1 heat/1 cool),
T500MSP-1 (2 heat/2 cool). Each thermostat is
packaged with the necessary mounting hardware, and
installation is simple and fast for reduced cost.
! ! ! ! Low-Profile Design
! ! ! ! No Batteries Required
! ! ! ! Lockable Access Cover and
Keypad Lockout
! ! ! ! Full Function Liquid Crystal
Display (LCD)
! ! ! ! Remote Sensor Terminals
! ! ! ! Auxiliary Output
! ! ! ! Fuzzy Logic Control
! ! ! ! Smart Fan Option
© 1999 Johnson Controls, Inc.
Part No. 24-8347-35, Rev. E
Code No. LIT-216173
Figure 1: T500 Series Programmable Thermostats
Features and Benefits
Complements any decor
Retains scheduled events and temperatures
upon loss of power
Prevents unauthorized changes
Makes controls easy to read, easy to use
Allows the T500 thermostat to be mounted up
to 300 m (1,000 ft) away from the controlled
space using a SEN-500-1 (sold separately)
Energizes for auxiliary equipment operation
Optimizes control performance
Provides continous fan operation in the
occupied mode and intermittent operation at
night
FANs 216, 1628.3
Product/Technical Bulletin T500
Issue Date 0899
www.johnsoncontrols.com
1

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Summary of Contents for Johnson Controls T500HCP-1

  • Page 1 Thermostats are available in the following types: T500HCP-1 (1 heat/1 cool), T500HPP-1 (heat pump, 3 heat/2 cool), T500HPP-2 (heat pump, 1 heat/1 cool), T500MSP-1 (2 heat/2 cool). Each thermostat is packaged with the necessary mounting hardware, and installation is simple and fast for reduced cost.
  • Page 2: S Upplies Needed

    T500MSP-1 22.2 T500HPP-1 mounting holes. No leveling is required. (7/8) T500HCP-1 101.6 3. Use the supplied anchors and screws for mounting T500HPP-2 on drywall or plaster. Drill two 4.7 mm (3/16 in.) holes at the marked locations, tap nylon anchors Dimn flush to wall surface, and fasten.
  • Page 3 CAUTION: Equipment Damage Hazard. Before applying power, make all wiring connections and check the connections. Short-circuited or improperly connected wires may result in permanent damage to the unit. Figure 4: Mounting the Base Figure 3: Separating the T500 from the Base T500 Series Programmable Thermostats Product/Technical Bulletin...
  • Page 4 nstalling the Thermostat Cover Lock eattaching the Thermostat and Cover to the Installed Base If desired, insert the plastic lock piece into the bottom of the mounted base. The ends of the lock piece 1. Position the thermostat inside the cover, and should fit snugly under the lock pins extending from the attach on the hinged tabs located at the top of the bottom of the mounted base.
  • Page 5 Programming Changes While the Keyboard is Locked, and Temporary [1 Hour] [Keyboard Locked] in this bulletin.) Unlocks the keyboard. T500HCP-1, T500HPP-2, T500MSP-1 only: Allows the fan to delay with the plenum switch. T500HPP-1 only: Compressor/Auxiliary Interlocked: Turns off the compressor when the auxiliary heat is on.
  • Page 6 Fan On with with Heat Call Plenum Switch Energizes fan on call for heating or cooling or by pressing Fan button Figure 7: T500HCP-1 Factory-Set DIP Switch Independent switching voltage Settings (All Off) 24 VAC from equipment transformer 24V(c) 24 VAC (common) from equipment...
  • Page 7 Table 3: T500HPP-1 Output Terminal 4 Events Per Day 2 Events Per Day Designations Smart Fan Disabled Smart Fan Enabled Terminal Function Heat/Cool: 4 Minute Heat/Cool: 2 Minute (Minimum On) (Minimum On) Energizes auxiliary heat as Keyboard Unlocked Keyboard Locked second-stage heating in emergency Compressor/Auxiliary Compressor/Auxiliary...
  • Page 8 Table 4: T500HPP-2 Output Terminal 2 Events Per Day 4 Events Per Day Designations Smart Fan Disabled Smart Fan Enabled Terminal Function Heat/Cool: 4 Minute Heat/Cool: 2 Minute (Minimum On) (Minimum On) Single-Stage Conventional Keyboard Unlocked Keyboard Locked Heat Pump Single-Stage Fan Immediate Fan On with...
  • Page 9 Table 5: T500MSP-1 Output Terminal 4 Events Per Day 2 Events Per Day Designations Smart Fan Enabled Smart Fan Disabled Terminal Function Heat/Cool: 2 Minute Heat/Cool: 4 Minute (Minimum On) (Minimum On) Energizes on a call for Keyboard Unlocked Keyboard Locked second-stage heat Fan Immediate Fan On with...
  • Page 10: Wiring Diagrams

    (T1) is to be used, remove J 1 to disconnect R and 24V(c). Electronics Thermostat 24V(c) RS+V RS1 RS2 Equipment 1st Stage Heat Remote 1st Stage Sensor Compressor (if used) Optional Hcp-1diag Figure 15: T500HCP-1 Wiring Schematic T500 Series Programmable Thermostats Product/Technical Bulletin...
  • Page 11 If the transformer (T2) is to power all of the loads R and 24V must be connected by inserting jumper 1, located above the relays. If a separate 24V transformer (T1) is to be used, remove the jumper to disconnect R and 24V. Electronics Thermostat 24V(c)
  • Page 12 If the transformer (T2) is to power all of the loads, R and 24V must be connected by inserting jumper JP1, located above the relays. If a separate 24V transformer (T1) is to be used, remove the jumper JP1 to disconnect R and 24V(c).
  • Page 13 If the transformer (T2) is to power all of the loads, R and 24V must be connected by inserting jumper J 1 located above the relays. If a separate 24V transformer (T1) is to be used, remove the jumper 1 to disconnect R and 24V(c). Electronics Thermostat 24V(c)
  • Page 14: T Hermostat Operation Overview

    ommissioning The thermostat normally displays room temperature and mode of operation (whether cooling or heating is currently on). Table 6: LED Indicators (T500MSP-1, T500HPP-1 only) LED Position Function Left An external switch on the LED 1 Display enables the filter symbol; see Table 1 Center (T500HPP-1 only) Indicates when highest stage heat is activated;...
  • Page 15: Outdoor Button

    Mode T500 does not bring on the next stage of cooling or Repeated pressing of the Mode button allows selection from four modes of operation (five for the heating if it knows that the system can change the temperature by 6 degrees in 1 hour, or 1 degree in T500HPP-1/Heat Pump model): 10 minutes.
  • Page 16: Programming Overview

    rogramming Overview Thermostat programming is a 3-part process: setting Program flexibility is achieved by varying the program current time, choosing event setpoints, and setting start times. When consecutive events are programmed event times. Throughout the programming procedure, with the same event time, the thermostat will control the following terms will be used: the temperature according to the setpoint of the latest event.
  • Page 17: Setting The Current Day And Time

    rogramming the Thermostat Setting the Current Day and Time 6. Select the desired mode of operation: heat, cool, auto. To set the current day and time: 7. When programming is complete, press the 1. Press and release the Clock button. Resume button to return to the normal display.
  • Page 18: Setting The Event Times

    Setting the Event Times To program event times: 1. Press and release the Program button. The Clock Outdoor morning event symbol and the current day Set Temp appear. Mode 2. Press the ∨ ∨ ∨ ∨ or ∧ ∧ ∧ ∧ buttons to select the first single Program day or the first day of a block of days to be Press to...
  • Page 19: Constant Hold

    verride Constant Hold Temporary (3 Hour) (Keyboard Unlocked) To maintain a constant temperature setting: To implement a temporary change from the current 1. Press the Mode button until the desired mode is event setpoint for a 3-hour period: displayed (heating, cooling, auto). 1.
  • Page 20: Outdoor Sensor

    12:00 AM will flash and the thermostat will control to etting Electronic Outdoor High and the night event setpoint until the clock is reset. Low Temperature Balance Points Note: If the power fails when the thermostat is in the continuous HOLD mode, the thermostat will (T500HPP-1 only) continue controlling to the HOLD temperature The optional outdoor temperature sensor (order...
  • Page 21: Troubleshooting

    roubleshooting Table 8: Troubleshooting Symptom Possible Cause Corrective Action No display/faint display ... Supply voltage incorrect Use a voltmeter to check the voltage between the 24V and 24V(c) terminals. Voltage should be between 20-30 VAC. If voltage is less than 20 VAC, disconnect the thermostat and check the voltage between 24V and the other system wires;...
  • Page 22: Ordering Information

    For a replacement sensor, from Table 10: Optional Accessories, Table 11: contact the nearest Johnson Controls branch office or Replacement Parts, and Table 12: Repair Parts. Table 11: Replacement Parts...
  • Page 23: Specifications

    Product T500HCP-1, T500MSP-1, T500HPP-1, T500HPP-2 Power Requirements 20-30 VAC, 50/60 Hz, 24 VAC nominal Relay Contact Rating Maximum Inductive: 1 ampere with surges to 3 amperes, 24 VAC Class 2 Maximum Resistive: 1 ampere, 24 VDC (2000 VA Maximum for all outputs) Minimum: 10 uA for 24 VAC circuit;...
  • Page 24 The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.

This manual is also suitable for:

T500hpp-1T500hpp-2T500msp-1

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