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Thermostatic control A capillary type thermostat is factory fitted within the unit, as per ‘C’ in Fig. 7, giving a selection scale of 0-40.C. When the thermostat operates, the power output will reduce depending on the switch setting. -Fan only -No effect -Half Heat -Heater will reduce to Fan only -Full Heat -Heater will reduce to Half Heat To override the thermostat, first Isolate the supply to the heater. Remove the connection on terminal ‘1’ of the thermostat and reconnect it onto the piggy back connection on terminal ‘C’. Door switch control (Electric models) By including a door switch in the circuit (as per ‘D’ in Fig. 7) the air curtain will respond to door openings as follows: (1) Door opening will energise the air curtain at the set conditions (switch box settings). (2) On door closure operation will continue at the set conditions for a further 1 minute. (3) Between 1 minute and 2 minutes from door closure, set back operation, . heat (if heat selected) and . fan will activate. (4) Between 2 minutes and 3 minutes, the fan only (. speed) shut down cycle will be engaged. (5) After 3 minutes, the air curtain will return to a dormant state until the door is re-opened. If the door re-opens during this 3 minute run on cycle, the process will restart at (1). Thermal Safety cut outs The power supply to the heating elements will be interrupted if one or a combination of the following abnormal events occur: 1. Air inlet or outlet grilles are obstructed. 2. Internal ventilation is impaired due to build up of dust and fluff. 3. Blower unit stalls. To reset the thermal safety cut-outs, access reset buttons as shown in Fig. 9. Before re-setting the reason for activation must be determined and corrective action taken. Low pressure hot water heated / Ambient (fan only) variants Operation using switch box - CABC6 Switch on electrical supply to the air curtain. Rotate the switch to the desired heat setting. Settings available are; OFF -Low Fan -High Fan The rocker (auto / manual) switch allows for manual over-ride of a door switch if fitted. Manual allows the appliance to run at the desire setting, while Auto provides an energy saving feature by shutting down the appliance while the door is closed. The unit should always be switched OFF using the switch box control, and not by mains power supply interruption. When first turned on the control will run through a system check. The selected settings will be reached and maintained after a 30 second period. Thermostatic control (optional) 1) A thermostatic regulation valve with a remote sensing bulb (not supplied) can be positioned in the supply water pipe-work to regulate the heat output. 2) An electrical 3-Port Solenoid Valve can also be connected into the system. Please contact your service agent using the contact details for more details. Door switch control (Water heated & Ambient models) By including a door switch in the circuit (as per ‘D’ in Fig. 8) the air curtain will respond to door openings as follows:...

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