WARNING
The T190 thermostat is a low-voltage programmable thermostat designed to control most conventional systems. It is configurable for up to two-stage heat and two-stage cool and has manual or auto-changeover modes. The thermostat is 7-day programmable, with different heating and cooling setpoints for 4 time periods per day. The thermostat can also, be set to nonprogrammable (manual) operation.
System Types (up to 2 Heat / 2 Cool)
Do not use systems with more than 2-stage heat and 2-stage cool, systems exceeding 30 VAC and 1 amp, millivolt systems, or hydronic systems. Power Options The thermostat will operate on either 24 VAC power or two AA alkaline batteries. The thermostat does not need batteries to
Power Options
The thermostat will operate on either 24 VAC power or two AA alkaline batteries. The thermostat does not need batteries to store user-configured settings in memory. During power loss, nonvolatile memory saves all user settings, configurations, and usage counters for an unlimited time.
Mounting Location
The thermostat should be used indoors only. It should be mounted on an inner wall 48” from the floor, in a location with freely circulating air and where it will respond to changes in room temperature. Avoid mounting near heat-generating appliances (e.g. computer, heater, refrigerator), or in direct sunlight.
Your package includes the following items:
Terminal | Input/ Output | Description |
C | Input | Unswitched Side, 24 VAC |
G | Output | Fan |
H2 | Output | Stage 2 Heat |
H1 | Output | Stage 1 Heat |
C1 | Output | Stage 1 Cool |
C2 | Output | Stage 2 Cool |
R | Input | Switched Side, 24 VAC |
Heat Pump System Terminal Designations
Terminal | Input/ Output | Description |
C | Input | Unswitched Side, 24 VAC |
G | Output | Fan |
E | Output | Auxillary or Emergency Heat |
B/O | Output | Reversing Valve |
Y1 | Output | Compressor Stage 1, Heat 1 or Cool 1 |
Y2 | Output | Compressor Stage 2, Heat 2 or Cool 2 |
R | Input | Switched Side, 24 VAC |
The thermostat mounts to a horizontal or vertical 2×4 junction box with the use of an accessory mounting plate or may be mounted directly to the wall:
The installer must configure the thermostat to match the installed heating/cooling system. The Service Menu allows the installer to modify configuration variables that are not normally accessed by the end user. The configuration variables are identified by Menu Number, as listed in the “Service Menu
Functions” table.
Accessing the Service Menu
From the Normal Mode thermostat display, simultaneously Press the ▲ and ▼ buttons, and hold down for 5 seconds. This takes you to the Service Menu and menu item number
After wiring and configuration are complete, turn on the power at the main fuse or circuit breaker box. Check thermostat operation:
Note: All menu numbers may not appear, depending upon the T190 model.
MENU | FEATURE | RANgE | STD. MODEL DEFAULT | DESCRIPTION / COMMENTS |
1 | F / C Display | °F or °C | °F | Sets the temperature display in Fahrenheit (F) or Celsius (C). |
4 | Range Limit Low | 50-90°F, 10-32°C | 50°F | Sets the lowest value the user can select for the setpoint. |
5 | Range Limit High | 50-90°F, 10-32°C | 90°F | Sets the highest value the user can select for the setpoint. |
8 | Zone Temp Offset | +/- 9°F, +/- 4.5°C | 0°F | Zone Temperature offset adjusts the sensed Zone Temperature reading from the A to D converter, allowing calibration in the field. |
9 | Keypad Lock | 0-3 | 0= OFF | Allows you to choose what the occupant can access. The Service Menu is still available if Key Pad Lock Out is ON. 0= OFF= No keypad lockout. 1= ON1= Disables all functions except the System key, Temporary Override and Permanent Override. 2= ON2= Disables all functions except Temporary Override and Permanent Override. 3= ON3= Disables all functions. |
17 | Minimum Deadband Adjust | 3-9°F, 1.5-5°C | 3°F | Sets the minimum difference between the Cool and Heat Setpoints (Deadband). Heat and Cool setpoints are to be adjusted as equally as possible to meet the Minimum Deadband and Range Limits. The Minimum Deadband must not exceed the (Range Limit High – Range Limit Low). |
18 | Factory Default Reset | 0-1 | 0= OFF | 0= OFF= No reset. 1= DFLT= Resets to Factory Default; retains only clock settings. |
20 | Reversing Valve Type | 0-1 | 0= O | 0= O= Energize on Cool or Deadband (not heat) 1= B= Energize on Heat or Deadband (not cool) |
21 | System Type | 0-1 | 0= CV | 0= CV= Conventional System Logic 1= HP= Heat Pump Logic |
22 | Heat Stages | 1-2 | 2 | |
23 | Cool Stages | 1-2 | 2 | |
30 | Cycles Per Hour (CPH) for First Stage Compressor | 0-6 CPH | 3 CPH | Applies to Heat Pump or Conventional Cooling, 0 disables cycling |
31 | Cycles Per Hour (CPH) for Second Stage Compressor | 0-6 CPH | 3 CPH | Applies to Heat Pump or Conventional Cooling, 0 disables cycling |
32 | Cycles Per Hour (CPH) for First Stage Heat | 0-12 CPH | 5 CPH | Applies to Conventional Heating only, 0 disables cycling |
33 | Cycles Per Hour (CPH) for Second Stage Heat | 0-12 CPH | 5 CPH | Applies to Conventional Heating, and second stage of heat in 2H1C Heat Pump (Y2 output) only, 0 disables cycling |
34 | Cycles Per Hour (CPH) for Emergency Heat | Applies to Heat Pumps only, 0 disables cycling | ||
35 | Heat Recovery Rate | 0-18°F/Hr 0-10°C/Hr | 5°F/Hr 3°C/Hr | 0 disables ramp recovery, uses step response |
36 | Cool Recovery Rate | 0-18°F/Hr 0-10°C/Hr | 5°F/Hr 3°C/Hr | 0 disables ramp recovery, uses step response |
COPYRIGHT 2009 PECO, INC. TOUS DROITS RÉSERVÉS. Réf. 69535 3220-2151 RÉV. 0 PAGE 12
Download Manual:
PECO T190 Programmable THERMOSTAT Installational Instruction
PECO T190 Programmable THERMOSTAT Installational Instruction
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