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Product Manual
Description
The SZ1064 is a microprocessor based programmable
modulating fan coil thermostat and the SZ1063 is a non-
programmable modulating fan coil thermostat.
Features
• Stand-alone or network operation
• No battery backup required
• Minimum on/off times for HVAC equipment protection
• 32-character LCD display
• Six status LEDs
• Remote room sensing capability
• User setpoint adjustment limits
• Three speed fan
• System and fan switching with access lockouts
• External input for setback or aquastat changeover
• Access to programming may be locked out or limited
with the use of an access code
• Fahrenheit or Celsius temperature display
• Control for two or four pipe systems
• 7-day programmable time clock
• Optional pipe sensor inputs for changeover (SZ1064
only)
• Adjustable delay on start-up and power-up for soft
starts
• Smart recovery (SZ1064 only)
• Local and remote override capability
• External time clock and override options
• Auxiliary output for heat, cool or time clock (SZ1064
only)
2800 LAURA LANE • MIDDLETON, WI 53562 • (800) 288-9383 • FAX (608) 836-9044 • www.tcsbasys.com
SZ1063/SZ1064
Modulating Fan Coil
Thermostats
SZ1063 has been discontinued January 2013
Contents
Description
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Features
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Mounting
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Setting Clock & Schedule. . . . . . . . . . . . . . . . . . . . . . .
Sequence of Operation
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Limiting Occupant Access . . . . . . . . . . . . . . . . . . . . . . 10
User Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Mounting
The SZ1063 and 64 are designed for wall mounting
using two #6 sheet metal screws, either over a horizon-
tally installed 2" x 4" junction box, or directly to block or
drywall.
For best results, the thermostat should be mounted on
an interior wall which reflects normal room environment,
at a height of approximately five feet from the floor.
Avoid areas exposed to direct sunlight, unusual heat
or cool sources, open doors and windows, unventilated
locations and hot or cold air from diffusers.
If using a remote room sensor, it should be mounted in
the manner described above. The thermostat may then
be mounted in an area which is accessible for adjusting
its settings.
Caution: Remove power from thermostat prior to
mounting.
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Communicating Thermostats
Communicating Thermostats
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Table of Contents
Related Manuals for TCS SZ1063
Summary of Contents for TCS SZ1063
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Page 1: Table Of Contents
........modulating fan coil thermostat and the SZ1063 is a non- Features . -
Page 2: Wiring
Wiring POWERING THE SZ1064 Superstats are powered from 24 VAC +/- 20%. The SZ1063 and SZ1064 use standard terminal desig- nations for wiring. See diagram below. If wiring for communications, dedicated power must be used to power the Superstat. Several “S” Series ther- mostats may be powered from the same transformer, provided that the transformer has sufficient power. REMOTE SENSOR WIRING (Superstats require 8 VA @ 24 VAC.) The SZ1063 accepts one 1000 ohm two-wire platinum Caution: Do not connect to 120 VAC. When sensor and the SZ1064 accepts two. Use TS1009, multiple TCS/Basys Controls devices are using TS1002 with TQ Series Immersion wells or TS1005 for a single transformer, the polarity of the power water temperature sensing. wiring must be maintained because all TCS When using TCS/Basys Controls three-wire sensors, use devices are half-wave rectified and have com- the black and red leads, and either clip or twist off the mon return paths. white lead. The wiring length should not exceed 250 ft. When the Superstat is used as a stand-alone thermostat without communications, the unit transformer may be used to power it. To do this, install a jumper between... -
Page 3: Setup
OVERRIDE Main Monitoring Screen. Press the WED FAN:MED TEMPERATURE SENSOR SELECTION program setup button to access the follow- 3:27 PM ing screens. (Day and date not shown on The dipswitches in the cover (shown above) must be set SZ1063) when using remote room, and/or pipe temp sensors. Use the following guide to determine the dipswitch program settings for your application. setup Using built-in room sensor only. Digital Input 1 & 2 Status Screen. (This is the default setting.) DI1 OPEN Shows the status of DI1&... - Page 4 OVERRIDE ON program 178 MINUTES setup Communication Baud Rate Screen. SET BAUD RATE: If using a PC to access the thermostat, all 9.6K program setup controllers on a network must be set to the same baud rate. Choose between 2.4K, 4.8K, program Access Code Entry Screen. Will setup 9.6K and 19.2K.
- Page 5 program setup Occupied Cool Setpoint Screen. Set the SELECT 2 PIPE occupied cool setpoint. OCCUPIED COOL Cool 2-Pipe Fan Coil Control Screen. For a SETPOINT B: two-pipe fan coil, select whether it is a HEAT only program system, COOL only system, or whether the system setup program setup...
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Page 6: Setting Clock & Schedule
4mA, 20mA or MODulating. program Operation setup UNOCCUPIED SETBACK SET DI2 SETPOINT DI2 Shift Screen. Enter the setpoint shift SHIFT: value. This screen will only appear if DI2 is set to The SZ1063 and SZ1064 operates, in either an occu- MONITOR. pied or unoccupied mode. During the occupied mode, the occupied heating and cooling setpoints will be main- program setup tained, and the fan will operate according to its occupied setting. During the unoccupied mode, the unoccupied DI3 Choice Screen. Choose FILTER... - Page 7 Four-pipe fan coil operation assumes that there are two face or with a remote momentary contact. water sources available (hot and cold), that are each To allow a regular schedule, and also automatically over- controlled by its own valve. Analog output one is used ride with the use of occupancy or light sensor, set DI3 to for heating and analog output two is used for cooling. override and set it up so that the contact is closed when PIPE TEMPERATURE SENSING you want the override. The SZ1063 and SZ1064 accepts a remote pipe tem- For applications where a room might not be used on a perature sensor for monitoring purposes or for change- regular schedule, such as conference rooms, set DI3 to over in a two-pipe system. (See setup instructions for external time clock and close the contact when you want dipswitch placement for this option.) the room occupied, such as with a switch or wind-up timer. If each occupancy period is about the same, (the- The pipe temperature span is 0 to 150°F (-17.8 to aters, meetings) another option is to set the DI3 to exter- 65.6°C).
- Page 8 Select the unoccupied action ("20mA or 0 / 4mA" will stage to come on. This feature is automatically disabled hold the analog output device open or closed during when DI3 is set to external time clock. unoccupied times. "Modulating" will modulate the ana- log output device to maintain the unoccupied heating or cooling setpoint.). Enter a proportional band (throttling BUILT-IN DELAYS range) in degrees. Enter a setpoint offset in degrees. (This is a value below the heating setpoint or above The SZ1063 and SZ1064 have delays built into the pro- the cooling setpoint where the analog output begins to gramming sequences to protect equipment. The fan has modulate.) a minimum on and off time of 30 seconds. When the fan is in AUTO mode, it will come on 30 seconds before the heating or cooling devices are allowed to sequence on. The auxiliary relay, when set to be a stage of heat or cool, has a minimum on and off time of two minutes. DELAY ON POWERUP The SZ1063 and SZ1064 have an adjustable delay on powerup and start-up. When several thermostats are used at one location, and the power goes out, most ther- mostats turn all of the units back on at the same time on regain of power, creating a peak. The thermostat allows...
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Page 9: Checkout & Troubleshooting
8. Press the warmer button until the cooling setpoint is Checkout & Troubleshooting greater than the current temperature by one degree. The cooling stage will sequence off. The fan will turn off 2 minutes afterwards. CHECKOUT 9. For a heating or cooling analog output: Take note of the room (and discharge) air temperatures. If the analog 1. Be sure to check and verify all wiring before powering output is set for Cooling, press the Cooler button until the SZ1063 and SZ1064. the cooling setpoint is less than the current room tem- perature by at least 5°. The cooling device should start NOTE: The fan has a minimum on and off time of 30 seconds. The auxiliary relay when set for heating or operating. If the analog output is set for Heating, press the Warmer button until the heating setpoint is greater cooling has a minimum on and off time of 2 minutes. than the current room temperature by at least 5°. The NOTE: The SZ1063 does not show the day or time. -
Page 10: Led Description
This LED will be lit whenever the unit is operating in the should read 108 to 109 ohms at room temperature. If any occupied mode. of the temperatures are still reading slightly high or low, you can add in a temperature offset (calibration) using Ubiquity HEATING or TCS Insight. In Ubiquity, you can edit the calibration off- This LED will be lit when any heat output is operating. set for each temperature input (room, discharge, outdoor air, etc.) on the controller's programming page. For exam- COOLING ple, if the room temperature is reading 2 degrees high, you This LED will be lit when any cool output is operating. would subtract 2 from the existing offset in the room tem- perature calibration offset field and submit the page. In TCS DATA / PROGRAM Insight, the process is similar. Refer to the Calibrate Using This LED will be lit when the thermostat is within the TCS Insight Tech Bulletin # 1019 for details. As a last resort programming or clock setup menus. It will blink when the and only when directed to do so by TCS technical support, unit is being accessed by a PC. you may be able to use the on-board adjustment pots. Refer to the Thermostat Sensor Calibration Tech Bulletin # SERVICE 1005 for details. This LED will be lit when DI2 is closed. 1 2 3 4 5 This LED will be lit when the fan output is closed.