Heatmiser Slimline-RF User Manual

Model: Slimline-RF

Heatmiser Slimline-RF Specifications

General

Display	LCD
Weight	120g
Communication	RF (Radio Frequency)
Mounting	Wall Mounted
Compatibility	Heatmiser RF

Summary

What is a Programmable Room Thermostat?

Installation Procedure

Installing the Batteries

Replacing the Batteries

Pairing With the RF-Switch

Pairing the Thermostat

Pairing With the UH8-RF Wiring Centre

LCD Display Explained

Room Temp Indicator

Indicates the current temperature sensor mode.

Day Indicator

Displays the current day.

Frost Icon

Displayed when the thermostat is in frost protection mode.

Flame Icon

Displayed when the thermostat is calling for heat.

RF Icon

Flashes when the thermostat communicates with the receiver.

Temperature Hold Indicator

Displayed when manually overriding the program.

Set Indicator

Displayed when changes are made to programs or set points.

Holiday Indicator

Displayed when the programmer is in holiday mode.

Current Temp Indicator

Indicates the current sensor temperature.

Program Cycle Indicator

Displayed during programming to show period being altered.

Battery Level Indicator

Indicates when batteries require replacement.

Keypad Lock Indicator

Displayed when the keypad is locked.

Units of Temperature

Displays temperature in Celsius or Fahrenheit.

Timer Status

Displays the current state of the timed output.

Clock Display

Digital clock display in 24h format.

Setting the Clock

Temperature Display Explained

Comfort Levels Explained

Locking the Thermostat

Temperature Control

Temperature Hold

Holiday Function

Setting Hot Water Switching Times

Hot Water Override

Frost Mode Operation

Heating On/Off Control

Re-calibrating the Thermostat

Factory Reset Procedure

Optional Features Explained

Feature 01: Temperature Format

Select between Celsius (°C) and Fahrenheit (°F).

Feature 02: Switching Differential

Adjusts the temperature difference for switching heating on/off.

Feature 03: Frost Protect

Enables frost temperature maintenance when display is off.

Feature 04: Frost Protect Temperature

Sets the temperature maintained in frost mode (07-17°C).

Feature 05: Output Delay

Sets delay to prevent rapid switching (00-15 minutes).

Feature 06: Receiver Type

Selects between UH8-RF or RF-Switch receiver.

Feature 07: Receiver Address

Assigns a unique address for RF-Switch or UH8-RF receivers.

Feature 08: Zone Number (UH8-RF)

Assigns thermostat to a zone (01-08) on the UH8-RF.

Feature 09: Heating Type (UH8-RF)

Determines if thermostat activates UFH (00) or Radiators (01).

Feature 10: Fail Safe

Sends signals to receiver to maintain output if signal is lost.

Feature 11: Temperature Limit

Limits the use of Up/Down keys for temperature adjustment.

Feature 12: Sensor Selection

Selects between built-in or remote air sensor.

Feature 13: Not Used

This feature is not used on this model.

Feature 14: Optimum Start

Delays heating start-up to ensure warmth at the programmed time.

Feature 15: Rate of Change

Informational only.

Feature 16: Programming Method

Selects between 5/2 Day or 7 Day programming.

Feature 17: Thermostat Mode

Sets mode: Manual, Programmable, or Programmable + Hot Water.

Adjusting Optional Settings

Optional Settings Feature Table

Feature 01: Temperature Format (Table)

Sets display units to Celsius (°C) or Fahrenheit (°F).

Feature 02: Switching Differential (Table)

Defines temperature difference for switching heating on/off.

Feature 03: Frost Mode (Table)

Controls frost protection when the display is off.

Feature 04: Frost Protection Temperature (Table)

Sets the minimum temperature to maintain in frost mode.

Feature 05: Output Delay (Table)

Configures delay (0-15 min) to prevent rapid switching.

Feature 06: Receiver Selection (Table)

Chooses between UH8-RF or RF-Switch receiver.

Feature 07: Receiver Address (Table)

Sets unique receiver address (UH8-RF: 01-99, RF-Switch: 01-32).

Feature 08: Zone Number (UH8-RF) (Table)

Assigns thermostat to a zone (01-08) on the UH8-RF.

Feature 09: Heating Type (UH8-RF) (Table)

Selects UFH (00) or Radiator (01) zone control.

Feature 10: Fail Safe (Table)

Enables periodic signals to receiver for system integrity.

Feature 11: Up/Down Limit (Table)

Limits temperature adjustment range via Up/Down keys.

Feature 12: Sensor Selection (Table)

Selects built-in sensor (00) or remote sensor (01).

Feature 13: Not Used (Table)

This feature is not applicable to this model.

Feature 14: Preheat Setting (Table)

Sets preheat time in hours (00-03).

Feature 15: Rate of Change (Table)

Informational, relates to heating response time.

Feature 16: Programming Method (Table)

Selects 5/2 Day (00) or 7 Day (01) programming.

Feature 17: Thermostat Mode (Table)

Sets mode: Manual (00), Programmable (01), or Prog.+HW (02).