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To aid installation, the water coil connections may be moved to either side of the appliance. By removing the water coil and appropriate knockouts the water coil can then be re-inserted into the required orientation. This procedure should be carried out before mounting the appliance. Switch Panel Installation The backing box (standard double gang) should be rebated into a suitable wall. The box should be fitted so that the switch panel will be flush with the wall. Suitable conduit should be used where applicable to carry the cable between the heater and the switch. A CAT5 LAN cable with straight through connections should be used to connect the switch panel to the appliance PCB. Warning: Ensure cable is secure and the cable path does not come into contact with heater element or other moving parts. Test all switch settings once installation is complete. Electrically heated variants Operation using switch box - CABC5 Switch on electrical supply to the air curtain. Rotate the switch to the desired heat setting. Settings available are; OFF -Low Fan -Low Fan with Low Heat & High Fan -High Fan with Low Heat -High Fan with Full Heat 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 the unit is switched off (via the switch box) the fan will run on for 1 minute without heat to discharge any residual energy from the heating elements. 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 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...

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