Robertshaw RS4110 User manual

RS4000 Series RS5000 Series RS6000 Series

RS4110 RS4220 RS4320

RS5110 RS5220

RS6110 RS6220 RS6

352-00060-001 Rev B

INSTALLATION MANUAL

STEP 1 Pull backplate straight out

to remove

STEP 2 Install backplate on the wall

and wire

STEP 3 Push front onto backplate

STEP 4 Remove tape on cover

STEP 5 Rotate cover up and remove

battery tray

STEP 6 Place batteries in tray and

place in thermostat

QUICK START

Thank you for purchasing a Robertshaw®thermostat. This manual will

describe how to install and test the Robertshaw single stage

thermostats RS4110, RS5110, RS6110, two stage RS4220, RS5220, RS6220,

and three stage* RS4320, RS6320 thermostats. For complete operation

instructions, refer to the Robertshaw User Manual.

Use the model number to identify your thermostat.

These thermostats have three main parts:

A. The backplate – mounts to the wall and has wire connections.

B. The body – snaps to the backplate and contains the electronics and

programming buttons.

C. The cover – snaps to the top of the body and swings up to give

access to the programming buttons.

Recycling Thermostat

If this thermostat is replacing a thermostat that contains mercury in a

sealed tube, do not place your old thermostat in the garbage. Contact

your local waste management authority for instructions regarding

proper disposal of the thermostat. If you have any questions, call

Robertshaw technical support at 1-800-445-8299.

R S X 1 1 0

4 = Non-Programmable

Value Series

5 = Programmable Value Series

with 5-2 Day Schedule

6 = Programmable Value Series

with 7 Day Schedule and

Copy Feature

Application

0 = Standard Thermostat

Number of Cooling Stages

Number of Heating Stages

* Three stages of heating available for heat pump applications only.

IMPORTANT SAFETY INFORMATION

WARNING:

• Always turn off power at main fuse or circuit breaker panel before

installing, removing, cleaning, or servicing thermostat.

• Read all the information in this manual before installing this

thermostat.

• This is a 24V AC low-voltage thermostat. Do not install on voltages

higher than 30V AC.

• All wiring must conform to local and national building and electrical

codes and ordinances.

• This is a dual powered thermostat that will operate on 24V AC

or batteries.

• Do not short (jumper) across terminals on the gas valve or at the

system control to test installation. This will damage the thermostat

and void the warranty.

• Do not connect ground to any terminal in this unit.

• This thermostat is configured with automatic compressor protection

to prevent damage because of short cycling or extended power

outages. Short cycle protection provides a delay between

compressor cycles on heat pumps.

Replacing Existing Thermostat

1. Turn off power to heating and cooling system.

2. Remove cover from old thermostat to expose wires.

3. Disconnect wires one at a time from existing terminals. Use

enclosed labels to mark existing wires. Refer to cross references in

Table 1 if existing wiring does not directly match the labels.

4. Remove existing thermostat base from wall.

Table 1

Old Terminal New Label Description

R, RH/R, V-VR or VR-R R/RH 24V AC Return

RC RC 24V AC Cooling Transformer

C, X or B C 24V AC Transformer Common Side

F or G G Fan Control Relay

Y, Y1 or M Y1 1st Stage Cooling Circuit

W1 or W W1 1st Stage Heating Circuit

Y2 Y2 2nd Stage Cooling Circuit

W2 or W-U W2 2nd Stage Heating Control

W3 E 3rd Stage Heating Control

E E Emergency Heating Control

Installing the Robertshaw Thermostat Base

NOTE: For new installations, mount the thermostat on an inside wall, five

feet above the floor. Do not install behind a door, in a corner,

near air vents, in direct sunlight, or near any heat or steam

generating fixtures. Installation at these locations will affect

thermostat operation.

1. Be certain power is off to the heating and cooling systems.

2. Remove the backplate by placing your finger through the wire

opening. Pull the backplate straight out from the body.

3. Place the backplate in position on the wall. Pull the wires through

the wire opening.

4. Hold the backplate level and mark the mounting holes on the wall.

5. Drill the marked holes using a 5 mm (3/16 in.) drill bit.

6. Tap in the wall anchors and secure the base to the wall with the

supplied screws.

NOTE: The thermostats are designed to also mount on a single gang

junction box.

Providing Power to the Thermostat

To take advantage of the Pop-Up Wizard, power should be applied when

the settings are ready to be entered. Fill in the chart in the Pop-Up

Wizard section before applying power.

These thermostats will run on either two AA batteries or 24V AC. If the

common wire from the transformer is not available, the unit must be

Thermostats with batteries and powered by 24V AC will continue to

function if the 24V AC fails.

Maintaining the Batteries

When the batteries are low, the thermostat will enter a

low power mode. Low battery mode has two levels.

• LEVEL 1: The low battery icon will be displayed.

• LEVEL 2: The low battery icon will flash indicating

that THE SYSTEM WILL NOT OPERATE.

Wiring Terminals

Mounting Holes

Wire Opening

RH/R

System Switch Selection

The body of the thermostat has two switches on the backside. They are

accessible by removing the backplate from the body. The installer

should set these to match the system.

If the thermostat is controlling a heat pump system, set the first switch

to Heat Pump. Set the second switch based on the type of the backup

heating system.

If the thermostat is controlling a non-heat pump system, set the first

switch to Non-Heat Pump. The second switch must be set to match the

system as Gas or Electric.

If Non-Heat Pump and Gas are selected, the heating system will control

the fan.

If Non-Heat Pump and Electric are selected, the thermostat will control

the fan.

If Heat Pump is selected, the thermostat will control the fan.

Connecting the Wires

1. The wire ends should be stripped back 8 mm (5/16 in.).

2. Use the Wiring Diagrams and secure the wires into the terminal

strip. If replacing another thermostat, the wires should have been

labeled. Match the labels to the terminals. Tighten the screws.

3. Pull lightly on each wire to ensure the connection is secure.

NOTE: Nightlight feature is only enabled when the RH/R and C terminals

are connected.

Non-Heat

Pump Gas

Electric

Heat

Pump

Heat Pump or Non-Heat Pump Gas or Electric

Terminal Function

One Stage Models RS4110, RS5110 and RS6110

TERMINAL EQUIPMENT TO

CONNECT DESCRIPTION

24V AC

Common

Connection

For input of 24V AC common side of transformer.

Connect to 24V AC common side of the trans-

former for line power and nightlight feature.

RH/R 24V AC

Hot Connection Connect to 24V AC hot side of the transformer.

RC 24V AC

Hot Connection

Connect to 24V AC hot side of the cooling

transformer for two transformer systems.

Note: Remove jumper to Rh when RC is connected.

Y1*

First stage

compressor

connection

Energizes on a call for first stage of cooling.

Energizes on a call for first stage of heating when

configured as a HP.

W1* First stage

heat connection

Energizes on a call for first stage of heating when

configured as a Non-HP.

GIndoor fan

connection

Energizes with Y1 and Y2.

Energizes with W1 and W2 if the Gas/Elec switch

is set to electric.

Energizes when fan is switched to ON.

OEnergizes for heat pump cool reversing valve.

BEnergizes for heat pump heat reversing valve.

* This thermostat can be used as a heat-only or cool-only thermostat. Therefore, it

is not always necessary to use both W1 and Y1.

Two Stage Models RS4220, RS5220 and RS6220

TERMINAL EQUIPMENT TO

CONNECT DESCRIPTION

24V AC

Compressor Fault

Output

Connect to fault signal for input from

a compressor.

Second stage

cooling

connection.

Energizes on a call for second stage

cooling (aux.).

W2 Second stage

heat connection

Energizes on a call for second stage

heating (aux.).

EEmergency Heat

Connection Energizes on a call for emergency heat.

Three Stage Models RS4320 and RS6320

TERMINAL EQUIPMENT TO

CONNECT DESCRIPTION

EThird stage heat Energizes on a call for 3rd stage heat

Compressor

Contactor

Reversing

Valve

Fan

Relay

RH/R

Transformer

Hot

120 Vac

Remove jumper if

separate cooling

transformer is

present.

When used as

Heat Pump with Cool Active Reversing Valve With Battery

Make certain the HP switch is in the HP position.

24 Vac

Compressor

Fault Output

(24VAC)

Second

Stage Cool

Second

Stage Heat

Emer Heat or

Third Stage Heat

Not used

for RS4110,

RS5110 and

RS6110

Not used

for RS4110,

RS5110 and

RS6110

Compressor

Contactor

Reversing

Valve

Fan

Relay

RH/R

Transformer

Hot

120 Vac

Remove jumper if

separate cooling

transformer is

present.

When used as

Heat Pump with Heat Active Reversing Valve With Battery

Make certain the HP switch is in the HP position.

24 Vac

Compressor

Fault Output

(24VAC)

Second

Stage Cool

Second

Stage Heat

Not used

for RS4110,

RS5110 and

RS6110

Not used

for RS4110,

RS5110 and

RS6110

Emer Heat or

Third Stage Heat

Compressor

Contactor

Fan

Relay

RH/R

Heat

Transformer

Hot

120 Vac

Remove jumper if

separate cooling

transformer is

present.

When used as

Non-Heat Pump With Battery

Make certain the HP switch is in the Non-HP position.

24 Vac

Second

Stage Cool

Second

Stage Heat

First Stage

Heat

Hot

120 Vac

24 Vac

Cooling

Transformer

Cooling transformer is not required

Not used

for RS4110,

RS5110 and

RS6110

Not used

for RS4110,

RS5110 and

RS6110

Wiring Diagrams

Compressor

Contactor

Fan

Relay

RH/R

Transformer

Hot

120 Vac

Remove jumper if

separate cooling

transformer is

present.

When used as

Non-Heat Pump With Battery Backup

Make certain the HP switch is in the Non-HP position.

24 Vac

Second

Stage Cool

Second

Stage Heat

First Stage

Heat

Not used

for RS4110,

RS5110 and

RS6110

Not used

for RS4110,

RS5110 and

RS6110

Compressor

Contactor

Reversing

Valve

Fan

Relay

RH/R

Transformer

Hot

120 Vac

Remove jumper if

separate cooling

transformer is

present.

When used as

Heat Pump with Cool Active Reversing Valve With Battery Backup

Make certain the HP switch is in the HP position.

24 Vac

Compressor

Fault Output

(24VAC)

Second

Stage Cool

Second

Stage Heat

Not used

for RS4110,

RS5110 and

RS6110

Not used for

RS4110, RS5110

and RS6110

Emer Heat or

Third Stage Heat

Compressor

Contactor

Reversing

Valve

Fan

Relay

RH/R

Transformer

Hot

120 Vac

Remove jumper if

separate cooling

transformer is

present.

When used as

Heat Pump with Heat Active Reversing Valve With Battery Backup

Make certain the HP switch is in the HP position.

24 Vac

Compressor

Fault Output

(24VAC)

Second

Stage Cool

Second

Stage Heat

Not used

for RS4110,

RS5110 and

RS6110

Not used

for RS4110,

RS5110 and

RS6110

Emer Heat or

Third Stage Heat

Wiring Diagrams

Applying Power

Before applying power, fill in the chart in the Pop-Up Wizard section of

this manual.

When 24V AC power or battery power is first applied to the thermostat,

the display will show the model number followed by the Pop-Up Wizard.

The thermostat will start normal operation following the Pop-Up Wizard.

Power is applied to the thermostat two ways:

1. Installing the batteries.

2. Not installing the batteries and connecting the thermostat body to a

backplate that has the C terminal connected and 24V AC present.

NOTE: A thermostat powered by 24V AC will use the batteries as backup

power if the 24V AC fails.

Installing Batteries

To remove the battery compartment

gently squeeze the ribbed edges on

both sides.

The battery compartment will pull

down from the thermostat body and

will detach. Install two AA batteries

following the polarity as shown

inside the compartment. Place

compartment back into the

thermostat.

Connecting The Body

Attach the thermostat body to the backplate by holding it directly in front

of the backplate. The edges will match and the wiring connections will

make contact. Push the body in until it snaps in place.

Pop-Up Wizard

The Wizard routine will display factory default settings. Each setting will

display for ten seconds. Use the or buttons to change the

setting. Settings that are not changed will operate with the values that

are displayed. To fast forward through the Wizard, press Edit Schedule.

The Wizard can be exited by pressing Start/Stop Schedule. This will

save the settings and place the thermostat into operation.

Use this chart to write down the desired settings before applying power.

Settings may vary by model.

Displayed Details Default Change To

SCAL choose °F or °C °F _______

CLOC choose 12 or 24 hour 12 _______

LITE y = always on, n = off y _______

DIFF differential, set between 0.5 to 3.0 °F

or 0.5 to 1.5 °C 1 °F _______

DIF2 2nd stage differential,

added to first stage differential 2 °F _______

DLY2 2nd stage delay, in minutes 20 _______

DLY3 3rd stage delay, in minutes 20 _______

AUTO auto changeover enable y _______

DEDB auto changeover deadband

in degrees 3 °F _______

HI heat setting limit in degrees 90 °F _______

LO cool setting limit in degrees 45 °F _______

VAC HEAT vacation heat setpoint in degrees 62 °F _______

VAC COOL vacation cool setpoint in degrees 85 °F _______

CHECK check filter timer in hours n or OFF _______

CYCL compressor short cycle delay in minutes 5 _______

CAL calibration offset in degrees 0 _______

After the Wizard has configured the thermostat, the settings can be

edited by pressing and simultaneously. This will allow you to

change settings.

Factory settings that have not been changed will use the default settings

for operation.

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