Emerson 1F85U-22PR Instruction Manual

Emerson 1F85U-22PR (Programmable) Installation and Operating Instructions

80 SeriesTM Universal Thermostat Battery Powered or Hardwired with Common

Emerson 1F85U-22PR SPECIFICATIONS

Electrical Rating:
Battery Power................................... mV to 30 VAC, NEC Class II, 50/60 Hz
Input-Hardwire................................... 20 to 30 VAC, NEC Class II, 50/60 Hz
Terminal Load................................... 1.5 A per terminal, 2.5A maximum all terminals combined
Setpoint Range................................. 45° to 99° F (7° to 37° C)
Rated Differentials (@ 6°F/ Hr):            Fast Med Slow
Heat (Conventional Gas / Oil / Elect)... 0.5°F 0.75°F 1.9°F
Cool (Central Air)............................... 0.9°F 1.2°F 1.7°F
Heat Pump (Heat and Cool) ............... 0.9°F 1.2°F 1.7°F
Heat Pump Aux................................. 0.5°F 0.75°F 1.9°F
Operating Ambient............................. 32°F to +105°F (0° to +41°C)
Display Temperature Range................ 32°F to +99°F (0 to 37°C)
Operating Humidity............................ 90% non-condensing maximum
Shipping Temperature Range............. -20°F to + 150°F (-29° to +65°C)
Thermostat Dimensions..................... 3-3/4” H x 6” W x 1-1/8” D

Emerson 1F85U-22PR THERMOSTAT OVERVIEW

Before you begin using your thermostat, you should be familiar with its features, display and the location/operation of the thermostat buttons and switches.

THERMOSTAT BUTTONS AND SWITCHES

THE DISPLAY

1.) Fan Button

8.) Next (Menu button) is used to navigate within a menu

2.) Hold a permanent temperature or press again to cancel hold (return to programmed schedule)

9.) Set the correct time, access the schedule and customize thermostat settings

3.) System Button

10.) Back (Fan button) is used to navigate within a menu

4.) Backlight Button (located on the top of the thermostat)

11.) Exit (Hold/Run button) returns to the home screen

5.) Raises Temperature Setting

12.) Thermostat is protecting the equipment from short cycling (5-minute delay)

6.) Access Menu Options

13.) Indicates that the system is running in Cool, Heat or Auxiliary mode. (Heat Pump Only -The auxiliary will run in Heat mode when the heat pump cannot maintain the set temperature.)

7.) Lowers Temperature Setting

14.) SEE TROUBLESHOOTING

 

15.) Battery status indicator

16.) Replace battery indicator

17.) Day of the week used when programming a schedule

18.) Permanent hold (bypassing the schedule)

19.) Temperature setpoint

20.) Appears when the keypad is locked (to prevent unwanted changes)

Emerson 1F85U-22PR THERMOSTAT OVERVIEW

Emerson 1F85U-22PR THERMOSTAT WIRING INSTALLATION

Refer to equipment manufacturer’s instructions for specific system wiring information. After wiring, see INSTALLER MENU for proper thermostat configuration. Wiring table shown are for typical systems and describe the thermostat terminal functions. Wiring will change when dedicated emergency heat is on (See Installer Menu #15).

Terminal Designations

Terminal Function

RC

Power (24V) - Cooling

RH

Power (24V) - Heating

O/B

6 (not shown) - 3 wire zone valve

Reversing Valve or output for 3 wire zone valves Configurable as “O” or “B” Reversing Valve or 3 wire zone heat (power close)

Y

1st Stage Compressor (conventional or heat pump)

G

Fan Relay

W/E

1st Stage Heat (conventional);

1st Stage Auxiliary Heat (heat pump) Can operate as Emergency Heat only (See Installer Menu #15)

C

Common wire for 24V (optional with batteries)

L

Heat Pump Malfunction / Diagnostic terminal (input signal requires common)

Y2

2nd Stage compressor (conventional only)

W2

2nd Stage Heat (Conventional)

Can operate as 1st Stage Auxiliary Heat (See Installer Menu #15)

Emerson 1F85U-22PR Leveling

Precautions

  • Do not exceed the specification ratings.
  • All wiring must conform to local and national electrical codes and ordinances.
  • This control is a precision instrument, and should be handled carefully. Rough handling or distorting components could cause the control to malfunction.

Emerson 1F85U-22PR wiring

Emerson 1F85U-22PR THERMOSTAT INSTALLER MENU

To prevent changes that may affect system performance, this thermostat has an INSTALLER MENU and a USER MENU. The INSTALLER MENU provides access to every option, while the USER MENU provides access to items that will not affect system performance. To access the INSTALLER MENU press the Menu button for 8 seconds. The display will show item 05 in the table below. Use Next and Back to navigate through menu items. Press or to change a menu setting.

Installer Menu #

(Hold Menu 8 Seconds)

Description

Default Setting

(flashing icons)

Settings

(Press UP or DOWN)

05

Outdoor Equipment: selects air conditioner (AC) or heat pump (HP) equipment as well as the number of stage

AC2

AC0 AC1 AC2 HP1

 

10

 

Indoor Equipment: selects whether the equipment is a gas furnace, elec- tric furnace or fan only

EL2

FAN GA1

GA2 (conventional only) EL1

EL2 (conventional only)

15

Dedicated Emergency: W/E only operates in Emergency Aux mode. W2 becomes 1st stage Aux. Heat

OFF

On OFF

20

O,B or 3 Wire Zone Valve Selection

O

O B 3

30

Heat Cycle Rate: how often the heat will turn on

MEd

SLO – slow MEd – medium FAS – fast

32

Aux Cycle Rate: how often the auxiliary heat will turn on

MEd

SLO – slow MEd – medium FAS – fast

35

Cool Cycle Rate: how often the cooling will turn on

MEd

SLO – slow MEd – medium FAS – fast

50

Compressor Lockout: protects the compressor from short cycling

OFF

On – 5 minute delay

OFF – no delay

65

Max Heat Limit: maximum set point for heat mode

99

47 to 99

66

Minimum Cool Limit: minimum set point for cool mode

45

45 to 97

INSTALLER MENU (C0ntinued)  

Installer’s Menu #

(Hold Menu 8 Seconds)

Description

Default Setting

(flashing icons)

Settings

(Press UP or DOWN)

74

Schedule Type: set as either 7-Day, 5-1-1 Day or Non-Programmable

5

7 – 7 Day

5 – 5-1-1 Day

0 – Non Programmable

75

Defines periods per day

4

2 -leave, return

4 -wake, leave, return, sleep

76

Early Start: starts heating or cooling early so your programmed temperature is reached by the programmed time

 

OFF

On – start early

OFF – start at program period time

79

Fahrenheit or Celsius

°F

°F – Fahrenheit

°C – Celsius

81

Temperature Display Adjustment: adjust the displayed “Room Temperature”

 

0

 

-5 to +5

83

Continuous Display Light: keep the backlight always on – “C” wire required

OFF

On – always on

OFF – momentarily

86

Change Air Filter: set up a monthly reminder

 

OFF

1 to 12 – reminder time

(months)

OFF – no filter reminder

88

Auto Changeover: thermostat automatically switches between heat and cool

OFF

On – enable auto

OFF – disable auto

99   

Keypad Lock: prevent unwanted changes to the thermostat

OFF

On – disable buttons

OFF – all buttons are active

 

Emerson 1F85U-22PR TEST EQUIPMENT Turn on power to the system.

Fan Operation
If your system does not have a G terminal connection, skip to Heating System.

  1. Press the fan button to select the On position. The blower should begin to operate.
  2. Press the fan button to select the Auto position. The blower should stop immediately.

Heating System

  1. Press the System button to select the Heat position. Heat Pumps only - if the auxiliary heating system has a standing pilot, be sure to light it.
  2. Press UP to adjust thermostat setting to 1° above room temperature. The heating system should begin to operate and the thermostat will indicate Heat On.
  3. For heat pump with auxiliary- Press UP to adjust thermostat setting to 3° above room temperature. The auxiliary heat should begin to operate and the thermostat will indicate Heat On Aux.
  4. Press DOWN to adjust thermostat setting 1° below room temperature. The heating system should stop operating and the Heat On icon will disappear.

Auxiliary System ( only for heat pumps with auxiliary)

  1. Press the System button to select the Aux position.
  2. Press UP to adjust thermostat setting to 1° above room temperature. The auxiliary heating system should begin to operate and the thermostat will indicate Heat On Aux.
  3. Press DOWN to adjust thermostat setting 1° below room temperature. The auxiliary heating system should stop operating and the Heat On Aux icon will disappear.

Cooling System

  1. Press the System button to select the Cool position.
  2. Press DOWN to adjust thermostat setting 1° below room temperature. The blower should come on immediately on high speed, followed by cold air circulation. The thermostat will indicate Cool On. There can be up to a 5 minute delay. (see INSTALLER MENU, item 50)
  3. Press UP to adjust thermostat setting to 1° above room temperature. The cooling system should stop operating and the Cool On icon will disappear. 

Note: If Starting Soon is shown on the display, the compressor lockout feature is operating. There will be up to a 5 minute delay before the compressor turns on (see INSTALLER MENU, item 50).

Readmore and Download Emerson 1F85U-22PR Instruction Manual PDF

Title : Emerson 1F85U-22PR Instruction Manual PDF
Format : PDF
Pages : 267 Pages
Language : English
File Size : 2 MB

 

Emerson 1F85U-22PR Instruction Manual

 

 





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