Venstar T0051FS User manual

OWNER'S MANUAL

MODEL 33CS050/1-FS

Programmable

Digital Thermostat

SmartTemp Equipped

Digital Temperature Selection

Can Display Setpoint, Only

Thermoglow Backlight

Easy, Pushbutton Control

‘Hidden’ Setpoint Limiting

Auto-Changeover

Dry Contact Equipped

Peak Demand Reduction

Manual or Auto Fan Control

F or C Display

Includes Wall Hanger, J-Box Not Required

1 For All

Designed Specifically for the Lodging Industry

Warmer

On/Off

Fan Cooler

AUTO

Carrier Corporation 04/07

Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage

Electric Cooling & Gas Heating, Heat Pump, Electric or Hydronic Heat.

Venstar Inc. 12/07

Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage

Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.

COMMERCIAL

HEAT

COOL HEAT

PUMP

PROGRAMMABLE

up to

& 2-cool

up to

& 2-cool

2-heat

HOTEL THERMOSTAT

OWNER’S

MANUAL

OWNER’S

MANUAL

Backlit display

One For All Works with

Virtually All Equipment

‘O’ or ‘B’ Terminal

Non-Volatile Memory

‘Hidden’ Setpoint Limiting

Peak Demand Reduction

Manual or Auto Fan Control

Mounts Flush with the Wall

Thermostat

Digital

Digital T0051FS

Control up to 2 Heat & 2 Cool Stages

SmartTemp Equipped

Digital Temperature Selection

Optional Setpoint - Only Display

Easy Pushbutton Control

Auto-Changeover

Dry Contact Equipped

Display Either F or C

MULTI-STAGE

Warmer

Cooler

On/Off

Fan

WITH 48 HOUR

CLOCK BACKUP

Designed Specifically for the Lodging Industry

4Z95

Table Of Contents

Page 1

T0051FS

Venstar Inc. 12/07

CAUTION Follow Installation Instructions carefully.

DISCONNECT POWER TO THE HEATER -

AIR CONDITIONER BEFORE REMOVING

THE OLD THERMOSTAT AND INSTALLING

THE NEW THERMOSTAT.

WARNING

SMARTTEMP EXPLANATION

PROGRAMMING Occupied / Unoccupied

ADVANCED SETUP

WARRANTY

FRONT PANEL

DISPLAY

QUICK START Set the clock and go

ABOUT ADVANCED FEATURES

& OPERATION

Liquid Crystal Display

with Thermoglow

Warmer/Cooler Buttons

On/Off Button

Fan Button

Heat or Cool Indicator

Red = Heat, Green = Cool

Temperature Sensor

Front Panel

Page 2

Mode Indicators

Selects the operational mode of the equipment.

HEAT - Indicates the heating mode.

COOL - Indicates the air conditioning mode.

AUTO - Indicates the system will automatically

changeover between heat and cool modes

as the temperature varies.

PROGRAM ON - Indicates the time period

program is enabled to run.

OFF - Indicates heating and cooling are turned off.

Clock

Indicates the current time. This clock is also

used to program the time period schedules.

Room Temperature Display

Indicates current room temperature and displays

the outside temperature when connected.

Desired Set Temperature

Indicates desired room temperature(s).

HEAT

COOL

ONOFF

AUTO

Fan On

Program

Locked

Setup

I8:88

Day

Night

Evening

Morning

Display

Page 3

HEAT

COOL

ONOFF

AUTO

Fan On

Program

Locked

Setup

I8:88

Day

Night

Evening

Morning

Morning, Day, Evening &Night icons - Pages 9-12

Indicates the day part of the time period program.

Setup icon - Pages 13-16

Indicates the thermostat is in the setup mode.

Fan On icon - Page 5

Indicates continuous fan operation.

When Fan On is not lit - indicates the fan will only

operate when necessary to heat or cool.

Locked icon - Page 20

Indicates the keypad has been locked.

Display

Page 4

Quick Start Set the Clock and Go

Page 5

Pressing the FAN button will change the fan speeds

as follows:

During auto operation the fan will adjust speed

based on temperature. These ‘extra’ fan speeds

are only accessible when multiple speed fan has

been selected in Advance Setup step #14. If the

fan is in Auto, the Fan On icon will not be

displayed.

AUTO

AU = auto

Press the ON/OFF and FAN buttons

at the same time for 10 seconds

to enter Setup screens.

Press the ON/OFF and

FAN buttons at the

same time to return

to normal operation.

Setting the Clock

ON/OFF

FAN

ON/OFF

FAN

Setup

I2:00

Tip: To change hours quickly,

press and hold the FAN

b u t t o n a n d p r e s s t h e

W A R M E R o r C O O L E R

button.

During Setup & Programming:

Pressing the Warmer or Cooler

butto ns will modify the

flashing selection.

To adjust the

Clock use

buttons.

Fan On

AUTO

LO = low

speed

Fan On

AUTO

M = medium

speed

Fan On

AUTO

HI = high

speed

AUTO

AU = auto

Using the Fan Button

FAN

Press

SmartTemp Explanation

Page 6

The SmartTemp feature can save up to 30% or more in operating

costs over standard thermostats. SmartTemp gives you almost the

same energy savings as thermostats with motion detectors and/or

door interlocks at a much lower cost for both the thermostat and

installation. No external wiring is required for this feature.

8:00 AM: Most guests are expected to leave the room by 8:00

AM and either check out or be gone until check-out time.

12:15 PM: The room will not likely be occupied between the

check-out and check-in times.

3:00 PM: Housekeeping staff usually place the thermostat into

an occupied mode while cleaning the room.

7:00 PM: Guests typically leave for dinner and the room

remains unoccupied until they return to retire for the evening.

The thermostat only displays the setpoint that the hotel guest has

selected. When the thermostat is in an unoccupied state, only room

temperature is displayed, which the guest will assume is the setpoint

temperature.

The number of time periods, their start times, and the unocc-

upied setpoints can be set by hotel management to maximize

savings of operating costs and customer comfort.

Customer complaints are virtually nonexistent with thermostats

equipped with the SmartTemp feature, compared to motion sensor and

door interlock thermostats.

HOW IT WORKS:

T h e t h e r m o s t a t h a s a b u i l t - i n c l o c k . T h e

thermostat can automatically go into an unoccupied setting up to four

times a day(default unoccupied settings are 78 degrees and 68

degrees). The default times for unoccupied are 8:00 AM, 12:15

PM, 3:00 PM, and 7:00PM. The rationale for these times are:

Page 7

SmartTemp Explanation

Surveys have shown that even though a hotel can expect to

realize an estimated 30% energy savings in heating, cooling and fan

costs, the hotel guest is unaware that the thermostat is automatically

entering an “unoccupied” state several times throughout the day.

The reason for this is that while the hotel guest is in the room, he or

she always has complete control of the actual temperature. If the

hotel guest happens to notice that the thermostat has entered into

“unoccupied” (which is rare), he or she usually assumes that a maid,

bar service, or turn-down service person has been in the room and

changed the setting.

Page 8

Press

Press the ON/OFF button. While holding the ON/OFF,

press the WARMER button for two seconds to enter

time period programming.

Continued

ON/OFF

COOL

HEAT

To maximize energy savings, the program allows for a day to be broken into

four time periods with every day of the week sharing the same program. For each

time period, you may choose to have a unique setpoint or simply use the

unoccupied setpoints. If four different time periods are not required, then multiple

time periods may be set to the same start time.

SMARTTEMP - When a time period is set to OFF, unoccupied settings will be

used for that period. During unoccupied operation, the large numbers change

from displaying the setpoint to displaying the room temperature and the degree

icon will flash. If a guest enters the room and presses the WARMER or COOLER

button, the room temperature will be accepted as the setpoint and then can be

raised or lowered. This setpoint will remain in effect until the start of the next time

period. This enables the guest to maintain control over the room temperature

(within setpoint limits), while maximizing energy savings.

Note: These unoccupied setpoints are not used when the dry contact is

asserted. To adjust those setpoints see page 14, steps 5 & 6.

ON/OFF

Programming Occupied & Unoccupied Periods

Adjust the cooling set-

point for unoccupied

periods.

(35 - 99, OF )

Adjust the heating set-

point for unoccupied

periods.

(OF, 35 - 99 )

ON/OFF

Page 9

Press

Continued

Adjust the setpoint for the

Morning time period.

If the thermostat is programmed for single setpoint operation,

only one setpoint must be entered (see above).

If the thermostat is programmed for dual setpoint operation,

Heat & Cool setpoints must be entered (see below).

Adjust the start time

for the Morning time period.

OFF

Am Am

8:00

8:00 8:00

Morning

OFF

This next step only appears if the previous

step = ON

COOL

HEAT

Programming Occupied & Unoccupied Periods

Use the setpoints for

the Morning time period (On),

or use the unoccupied

setpoints (Off).

ON ON

(35 - 99 )

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