Greystone Energy Systems TSRC Series User manual

Page 1

INTRODUCTION

The continental series is an attractive, low prole

enclosure that incorporates a precision temperature

sensor used to monitor room temperatures. Additional

options are available that include set-point adjustment,

manual override, fan speed, handset communication

port, and an LCD.

BEFORE INSTALLATION

Read these instructions carefully before installing and commissioning the device. Failure to follow these

instructions may result in product damage. Do not use in an explosive or hazardous environment, with

combustible for ammable gases, as a safety or emergency stop device or in any other application where

failure of the product could result in personal injury. Take electrostatic discharge precautions during

installation. Do not exceed the device ratings.

MOUNTING

The temperature sensor mounts directly on a wall or onto an electrical wall box. For the most accurate

results, the unit should be mounted on an inside wall to a wall box ve feet from the oor. Do not mount

the sensor near doors, opening windows, supply air diusers, or other known air disturbances. Avoid areas

where the sensor is exposed to vibrations or rapid temperature changes.

The cover is hooked to the base at the top edge and must be removed from the bottom edge rst. Use

a small Phillips screwdriver to loosen the security screw as shown in Figure 1. (Complete removal is not

required). Use a screw driver to carefully pry each bottom corner if necessary. Tip the cover away from the

base and sit it aside as shown in Figure 2.

SENSOR ONLY

Feed at least 6 inches of wire through the wall and out of the junction box and feed connection wires

through the center hole on the backplate. Secure the backplate to the wall or electrical box with suitable

screws (not supplied) as shown in Figure 3. The mounting holes in the backplate allow for up, down, and

side to side movement to compensate for unlevel electrical box installation.

Retrieve the sensor with clip. Turn the clip over and remove the

backing from the clip to expose the adhesive back. Stick the

clip on a smooth surface of the backplate. See Figure 4.

Make wire connections as per the Wiring Illustrations on Page 2.

Re-install the decorative cover by placing the top of the cover

into the cover holder on the top of the backplate and snapping

the bottom into place as shown in Figure 7. Tighten security

screw with a screwdriver.

Figure 1

Figure 3Figure 2 Figure 4

Room Temperature Sensor

TSRC Series - Installation Instructions

Page 2

WIRING

• If LCD is present, deactivate the 24 Vac/dc power supply until all connections are made to the device to

prevent electrical shock or equipment damage. Follow proper electrostatic discharge (ESD) handling

procedures when installing the device or equipment damage may occur.

• Use 22 AWG shielded wiring for all connections and do not locate the device wires in the same conduit

with wiring used to supply inductive loads such as motors. Connect the cable shield to ground at the

controller only. Make all connections in accordance with national and local codes.

• Connector layout is shown in Figure 9. The diagram shown includes all options, if an option is not

ordered, the connector will not be present.

WITH PCB

The PCB must be removed from the base to access the mounting

holes. Follow usual anti-static procedures when handling the PCB and

be careful not to touch the sensors. The PCB is removed by pressing

the enclosure base to unsnap the latch near the bottom edge, then

the PCB can be lifted out of the base as shown in Figure 4.

Set the PCB aside until the base is mounted on the wall. For added

protection, place the PCB in the supplied anti-static bag.

Mount the base by screwing it to an electrical box or directly to the

wall as shown in Figure 5.

After the base is screwed to an electrical box or the wall using the appropriate holes, remove the PCB from

the anti-static bag, feed connection wires through center hole and place the top of the PCB into the PCB

holders on the backplate and snap the bottom of the PCB into place as shown in Figure 5.

Make wire connections as per the Wiring Illustrations on pages 2 and 3. Re-install decorative cover by

placing the top of the cover into the cover holder on the top of the backplate and snapping the bottom

into place as shown in Figure 7. Tighten security screw with a screwdriver.

Figure 5

Figure 8

Figure 7

Cover

Cover PCB Backplate

Figure 4

2 Wire Termination for Thermistor or RTD

ToController

Analog Input (AI)

(No Polarity)

ToController

Analog Input (AI)

(No Polarity)

ToController

Analog Input (AI) or

Customer supplied

transmitter

ToController

Analog Input (AI) or

Customer supplied

transmitter

Green

Red

Black

3 Wire Termination for Thermistor or RTD

Page 3

If the unit has the LCD option then the scale can be set to either °C

or °F via the Scale jumper. See Figure 10. If he unit is also equipped

with the backlight option it can be enabled or disabled via the

Backlight jumper. The LCD display can be calibrated by adjusting

the LCD ADJ pot.

MANUAL OVERRIDE/OCC IN

The optional override switch output is a dry-contact and is available

on the SWITCH + and SWITCH - terminals. It is typically connected

to a low-voltage digital input on the controller to indicate room occupancy or override when the button

is activated.

If the override switch is ordered with the optional LCD, also included is the OCC IN. The OCC IN terminal

is a digital input that controls the OCC segment on the LCD to indicate an occupied condition. It can be

connected to a 0-5V digital signal or a dry contact signal. This is usually an active low input signal and

requires that the OCC IN terminal be shorted to COMMON to activate the input.

LED

The LED is typically used as indication as when manual override has been selected. It is available on the

LED+ and LED- terminals and requires 5 Vdc to power. The LED option is not available when LCD installed

FAN SPEED SWITCH

The 5 position speed fan speed has a resistance output signal on the FAN + and FAN - terminals and has

dierent resistances for each position 5 positions (Auto, O, Low, Mid, High).

EXTERNAL JACK

The external jack is internally connected to a 4-pin terminal block labeled 1, 2, 3, 4 and excepts a 4 pin

molex connector for remote communication with the controller. The HHTA-XXX adapter converts the 4-pin

Moles to a 4 pin phone jack connection.

Figure 9

Analog Input

COMMON

Controller

SETPNT +

SETPNT -

Analog Input

COMMON

Controller

FAN +

FAN -

Analog Input

COMMON

Controller

SENSOR +

SENSOR -

Digital Output (+5 Vdc)

COMMON

Controller

OCC IN

COMMON

Digital Output (+5 Vdc)

COMMON

Controller

LED +

LED -

Digital Input

COMMON

Controller

SWITCH +

SWITCH -

Wiring for PCB

Backlight

Figure 10

O

Scale

Fahrenheit

Celsius

PRINTED IN CANADA

Page 4

SPECIFICATIONS

GENERAL

Sensing Element.................. Various thermistors and RTD's

Sensor Accuracy................... Thermistors: ±0.2°C (±0.36°F) @ 25°C (77°F)

Platinum RTD's: ±0.3°C (±0.54°F) @ 0°C (32°F)

Nickel RTD's: ±0.4°C (±0.72°F) @ 0°C (32°F)

Operating Conditions ........ 0 to 50°C (32 to 122°F)

Wiring Connections............ Screw terminal block (14 to 22 AWG)

Sensor only: Pigtail, 2 or 3 wire

Enclosure................................ White ABS, IP30 (NEMA 1)

84mm W x 119mm H x 29mm D (3.3" x 4.7" x 1.15")

Country of Origin...................Canada

OVERRIDE SWITCH

Switch Type............................ Front panel, momentary push-button,

N.O., SPST, 50 mA @ 12 Vdc

FAN SPEED SWITCH

Range....................................... Auto, O, Low, Medium, High

Signal ....................................... Resistance: 2K, 4K, 6K, 8K, and 10K Ω standard

(custom ranges available)

SET-POINT SLIDE POT

Range....................................... Front panel pot as resistive output, 20 to 20K Ω

Custom Spans Available....1K, 2K, 5K, 10K, or 20K Ω

OCCUPIED INPUT

Signal Type...............................Digital input, 0-5 Vdc, active low

Action.........................................Causes "OCC" segment to light on LCD

LED INPUT

Signal Type...............................Active high, low, or 2 wire, 5 V current limit standard

LED Colors................................Red, Green, or Yellow

Power Supply........................ 5 Vdc standard, 10 Vdc or 24 Vdc optional

LCD DISPLAY

Power Supply..........................12-24 Vdc / 24 Vac ± 10%

Consumption @ 24 Vdc.......13 mA max (no backlight) 23 mA max (with backlight)

Protection Circuitry...............Reverse voltage protected

Range .........................................0.0-35.0°C or 32.0-95.0°F

jumper selectable

Resolution ................................0.1°C/°F

Display Size ..............................38.1mm W x 16.5mm H (1.5" x 0.65")

Digit Height .............................11.43mm (0.45")

Symbols.....................................°C, °F, OCC

Backlight ...................................Enable or disable via jumper

84 mm

3.3“

119 mm

4.7“

29 mm

1.15 “

82.6 mm

3.25 “

58 mm

2.3 “

DIMENSIONS

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