SunTouch 113901 SunStat ConnectPlus Thermostat User Manual

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are designed to provide reasonable protection against harmful interference in  

a residential installation. This equipment generates uses and can radiate radio  

frequency energy and, if not installed and used in accordance with the instructions,  

may cause harmful interference to radio communications. However, there is  

no guarantee that interference will not occur in a particular installation. If this  

equipment does cause harmful interference to radio or television reception,  

which can be determined by turning the equipment off and on, the user is  

encouraged to try to correct the interference by one of the following measures:  

• Reorient or relocate the receiving antenna.  

The following cautions must be observed:  

SunStat Sensor Installation  

Second Stage Rough-in Wiring  

•

The SunStat sensor can be installed with or without electrical  

conduit depending on code requirements. Conduit is recommended  

for added protection against nails and screws.  

The ConnectPlus provides a dry contact output, rated at 30  

VAC, 1 A, for second stage heat to be activated when the room  

temperature dwells below the setpoint. Room control mode only.  

SunStat^® ConnectPlus^™  

ALWAYS install the floor sensor included with the thermostat.  

NEVER put the system into full operation until the tile or flooring installer  

verifies all cement materials are fully cured (typically two to four weeks  

after installation).  

•

Pull 18 AWG to 24 AWG 2-conductor wire from the second  

stage control location to the ConnectPlus location  

•

Do not place the sensor in the same conduit as the power leads  

to avoid possible interference. Open a separate knock-out in the  

bottom of the thermostat box. Feed the sensor (and conduit, if  

used) through the knock-out, down through the cut-out in the  

bottom plate, and out into the floor where the heating cable will  

be installed.  

Installation and  

Operation Manual  

ALWAYS use insulated copper wires rated for 90°C (194°F) and 600 V  

minimum. Do not use aluminum.  

• Strip the wire ends to ¹⁄8" long  

ConnectPlus Wiring  

Before connecting the wires to the back of the thermostat,  

detach the display front from the base.  

ALWAYS wire all circuits as Class 1, electric light & power circuits.  

• Increase the separation between the equipment and receiver.  

• Consult the dealer or an experienced radio/TV technician for help.  

Features:  

ALWAYS mount the thermostat to a grounded electrical box.  

•

If the sensor wire needs to be secured to the wall stud, wait  

until after the wire or mat and sensor are completely installed  

on the floor.  

• Floor or air-sensing  

temperature control  

• Remote access via Watts  

Home mobile app  

• Compatible with Voice  

commands  

ALWAYS seek help if a problem arises. If ever in doubt about the correct  

installation procedure, or if the product appears to be damaged, the  

factory must be contacted before proceeding with the installation.  

While holding the base section in one hand, with the other pull  

gently up holding the sides of the thermostat towards the bottom  

(near RESET button), pivoting away from the base.  

Box Contents  

SunStat^® ConnectPlus Wi-Fi thermostat  

•

• At the sensor location, measure at least 1' into the heated area.  

Mark the spot where the sensor will be attached to the floor. Be  

sure to place the sensor exactly between two of the heating wires.  

Ensure the sensor wire does not cross over any heating wires.  

• Floor sensor  

• Screwdriver  

Power Wiring  

• Installation manual  

• Machine screws (2), 6-32  

•

•

•

•

Connect the ground wire from the power supply to the ground  

wire from the floor heating power lead  

To prevent the risk of personal injury and/or death,  

make sure power is not applied to the product until  

it is fully installed and ready for final testing. All work  

must be done with power turned off to the circuit  

being worked on.  

• Large touchscreen display  

• Easy-to-use scheduling  

• Weather/Clock display  

options  

•

Do not locate the sensor outside the heating area or in a gap  

between heating wires that is wider than the rest of the floor.  

Do not locate the sensor where direct sun, hot-water piping,  

heat duct, or lighting below will cause inaccurate temperature  

reading. Do not locate the sensor where an insulating item such  

as a rug is likely to be placed.  

If the electrical box is metal, use a short length of wire to  

connect the ground wires to the bonding screw  

Connect the floor heating power lead conductors to the LOAD  

1 and LOAD 2 terminals  

Items Needed  

• Electrical box (must be UL listed and proper size)  

- Portrait: vertical 1-gang box  

• Portrait/Landscape display  

• Guided setup  

- Landscape: square 2-gang box/plastic 1-gang mud ring  

To reduce the risk of electric shock, do not connect to a circuit  

operating at more than 150 V to ground.  

For 120 VAC connections, connect the power supply black (L)  

wire to the L terminal and the white (N) wire to the N terminal  

•

Conduit, flexible or rigid (if required, must be UL listed and  

proper size)  

• To make sure the sensor tip does not create a high spot in the  

floor, it may be necessary to chisel a channel into the floor and  

lay the sensor tip into the channel. Hot glue the tip into place.  

• Comprehensive help  

screens  

• For 240 VAC connections, connect one of the power supply  

wires to the L1 terminal and the other to the L2 terminal  

• Electrical wiring cable (UL listed)  

- Minimum 14 AWG to 12 A  

- 12 AWG to 15 A  

Power Supply  

Pull power supply wiring to the control location.  

• Energy use monitoring  

• Do not cut the sensor wire or remove the black cable protector.  

Strip the wire ends to ¹⁄8" long.  

• Overcurrent and Voltage-  

level sensing  

• Leave about 6 to 8" (15 to 20 cm) of wire for connections.  

• Nail plate  

•

This wiring should be size 12 or 14 AWG, in compliance with  

local code requirements.  

• Hot glue gun and hot glue  

• Floor Sensor Included  

• Wired or Wireless connection to SunStat® R4 Relay  

(sold separately)  

Location  

• Indoor location only  

• A qualified person should run a dedicated circuit from the main  

circuit breaker panel to the control location. If a dedicated  

circuit is not possible, it is acceptable to tap into an existing  

circuit. However, there must be enough capacity to handle the  

load (amps) of the floor heating system being installed, and any  

appliance likely to be used on the circuit such as a hair dryer  

or vacuum cleaner.  

• Wireless connection to ConnectPlus™ Smart Sensor  

(sold separately)  

•

•

Do not install where there is a draft, direct sun, hot-water piping,  

ducting, or other cause for inaccurate temperature readings  

Do not install where there is electrical interference from  

equipment, appliances, or other sources  

• 3 Year warranty  

• Install away from all water sources such as sinks and at least  

4 ft (1.2 m) away from showers and bathtubs  

•

Avoid circuits that have ballasted lighting, motors, exhaust fans,  

or hot tub pumps to reduce the likelihood of interference.  

Model# 113901, 113902, 113903, 113904:  

SunTouch Model# 500900-SB/BB/WB/PB  

• Consider easy access for wiring, viewing, and adjusting  

• Install at a suitable height, normally about 4-1/2 ft to 5 ft (1.4  

m to 1.5 m) from the floor  

•

The circuit breaker should be rated 20 amps for total circuit loads  

up to 15 amps. A 15-amp circuit breaker may be used for total  

circuit loads up to 12 amps.  

Specifications:  

Floor Heating Mat or Cable Power Lead Installation  

Power supply  

Maximum load  

120/240 VAC, 60 Hz, 3 W  

15 A, resistive  

Important Safety Information  

•

A GFCI (ground-fault circuit interrupter) or AFCI (arc-fault circuit  

interrupter) type circuit breaker may be used, but is not necessary.  

•

The shielded power lead can be installed with or without electrical  

conduit (recommended for added protection against nails or  

screws), depending on code requirements.  

Low Voltage Wiring  

This is a safety-alert symbol. The safety-alert symbol  

is shown alone or used with a signal word (DANGER,  

WARNING, or CAUTION), a pictorial and/or a safety  

message to identify hazards.  

Maximum power 1800 W at 120 VAC  

Sensor, R4 Relay, Home Automation, and Second Stage connec-  

tions are made to the terminal block by inserting the wires into the  

openings and tightening the screws. Three holes are provided for  

wire access from the back. Wires must be routed in the channel  

to the right of the terminal block so that the display front can be  

re-attached. Any low voltage wiring that passes through the inside  

of the electrical box must be rated at least 90°C 300 V.  

•

Remove one of the knock-outs in the electrical box to route the power  

lead. If electrical conduit is not required by code, install a wire collar to  

secure the power leads where they enter the box. If conduit is required  

by code, install ¹⁄2" (minimum) conduit from the bottom plate up to the  

3600 W at 240 VAC  

GFCI  

Class A (5 mA trip)  

Make sure 120 VAC is supplied to 120 VAC cables and 240  

VAC is supplied to 240 VAC mat or wire. Otherwise, dangerous  

overheating and a fire hazard could result. Do not exceed  

15-amps on this control.  

When you see this symbol alone or with a signal word on your  

equipment or in this manual, be alert to the potential for death or  

serious personal injury.  

Dimensions  

4.73" H x 3.11" W x 1.9" D (120 x 79 x 48 mm)  

0.620" D (16 mm) from wall  

electrical box. For multiple power leads (multiple cables), install  

3

⁄4" conduit.  

Approvals  

UL 943, UL/CSA 60730, UL 991  

•

Sensor—connect to the SENSOR terminals, not polarity sensitive  

• Secure a steel nail plate over the cutout in the bottom plate to  

protect the wires against baseboard nails later.  

This pictorial alerts you to electricity,  

electrocution, and shock hazards.  

Ambient conditions 32°F to 86°F (0°C to 30°C), < 90% RH non-condensing  

Bottom Plate Work  

• R4 Relay—connect to RELAY and COM terminals, matching  

connections on the R4 Relay  

Floor Sensor  

Thermistor, 10kΩ NTC type, 300 V jacketed cable, 15 ft  

• Drill or chisel holes at the bottom plate as indicated. One hole  

is for routing the power lead conduit and the other is for the  

thermostat sensor. These holes should be directly below the  

electrical box(es).  

•

Home Automation—connect to AWAY and COM terminals,  

refer to home automation control instructions  

Second Stage—connect to W2 terminals, refer to the second  

stage control instructions  

SunStat Relay Rough-in Wiring  

This symbol identifies hazards which, if not  

avoided, could result in death or serious injury.  

SunStat^® R4 Relays are used when more than 15 A must be controlled  

by one ConnectPlus thermostat. The ConnectPlus can connect  

wirelessly to the R4 Relay (see Operation > Wireless Pairing). If a  

wired connection is desired, follow these steps.  

•

Read this manual BEFORE using this equipment.  

Failure to read and follow all safety and  

use information can result in death, serious  

personal injury, property damage, or damage  

to the equipment.  

Wire  

Power lead  

clip  

•

Pull 18 AWG to 24 AWG 2-conductor wire from the R4 Relay  

location to the ConnectPlus location  

This symbol identifies practices, actions, or  

failure to act, which could result in property  

damage or damage to the equipment.  

conduit  

Make sure the wire connections are secure by gently tugging  

on them. Otherwise, arcing could occur, causing dangerous  

overheating and a possible fire hazard.  

• The wire may be up to 100 ft (30 m) long  

• Strip the wire ends to ¹⁄8" long  

Sensor wire  

Keep this manual for future reference.  

Power  

lead  

Installation  

• Refer to the R4 Relay manual for additional details  

Finish ConnectPlus Installation  

• Ensure all connections are secure  

The antenna used for this radio must be properly installed and maintained  

and must provide a separation distance of at least 7.9 inches (20 cm) from  

all persons.  

Home Automation System Rough-in Wiring  

A short or 24 VAC applied between the AWAY and COM terminals  

will switch the thermostat into ‘Away’ mode.  

• Carefully press the wires into the electrical box  

• Do not use the thermostat to push the wires  

Installation must be performed by qualified persons, in accordance  

with local codes, ANSI/NFPA 70 (NEC Article 424) and CEC Part 1  

Section 62 where applicable. Prior to installation, please consult  

the local codes in order to understand what is acceptable. To the  

extent this information is not consistent with local codes, the local  

codes should be followed. Regardless, electrical wiring is required  

from a circuit breaker or other electrical circuit to the control. It  

is recommended that an electrician perform these installation  

steps. Please be aware local codes may require this product to  

be installed by an electrician.  

Sensor wire  

This device complies with Part 15 of the FCC Rules and with Industry Canada  

license-exempt RSS standard(s). Operation is subject to the following two  

conditions: (1) this device may not cause harmful interference, and (2) this  

device must accept any interference received, including interference that  

may cause undesired operation.  

•

Secure the thermostat base to the electrical box with the  

screws included  

•

Pull 18 AWG to 24 AWG 2-conductor wire from the home automation  

location to the ConnectPlus location  

For retrofit installations, cut  

out drywall and chisel out the  

bottom plate to route wires to  

control.  

• Do not overtighten  

• Strip the wire ends to ¹⁄8" long  

• Re-attach the display front  

- Line up the top edge with the base  

Changes or modifications not expressly approved by the party responsible  

for compliance could void the user’s authority to operate the equipment.  

-

Rotate the bottom towards the base and snap it into position  

This equipment has been tested and found to comply with the limits for a  

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits  

See over for operation details  

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General	Details
Name	SunTouch 113901 SunStat ConnectPlus Thermostat User Manual
Make	SunTouch
Language	English
Filetype	PDF (Download)
File size	0.34 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• SunTouch

SunTouch 113901 SunStat ConnectPlus Thermostat User Manual Overview

Summary of Contents

• Page 1: are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. The SunStat sensor can be installed with or without electrical conduit depending on code requirements. Conduit is recommended for added protection against nails and screws. Always install the floor sensor included with the thermostat. Never put the system into full operation until the tile or flooring installer verifies all cement materials are fully cured. Always use insulated copper wires rated for 90°C (194°F) and 600 V minimum. Do not use aluminum. Always mount the thermostat to a grounded electrical box. Always seek help if a problem arises. If ever in doubt about the correct installation procedure, or if the product appears to be damaged, the factory must be contacted before proceeding with the installation. Do not locate the sensor outside the heating area or in a gap between heating wires that is wider than the rest of the floor. A GFCI (ground-fault circuit interrupter) or AFCI (arc-fault circuit interrupter) type circuit breaker may be used, but is not necessary. This symbol identifies hazards which, if not avoided, could result in death or serious injury. Installation must be performed by qualified persons, in accordance with local codes, ANSI/NFPA 70 (NEC Article 424) and CEC Part 1 Section 62 where applicable.
• Page 2: Floor sensor error indicates the sensor is disconnected or needs replacement. Memory error suggests programming may be lost, requiring verification of all settings. Water leak detection indicates moisture has been detected by the ConnectPlus Smart Sensor. Low battery or sensor lost requires scheduling for replacement. Operation requires ensuring the mortar has cured before extended use of the system. Power up by switching on the circuit power supply at the breaker. The default schedule includes weekdays and weekends, with the default set to off. Heating operation maintains the floor temperature at a setpoint of 85°F (29°C) by default. Smart Start feature begins heating early to meet scheduled temperatures on time. The limited 3-year warranty covers defects in material and workmanship, with conditions outlined for claims.