Myson Patio Heater 1370064 User Manual

Installation, Operating, Maintenance  
and After Sales Manual.  
SLIM-LINE RC  
heatingthroughinnovation.  
Product Serial Number:  
Please leave this manual with the end user.  
Part Number: 1370064  
Issue 2  
 
SLIM-LINE RC 03  
1.0 General Information  
G This MYSON SLIM-LINE RC fan convector is designed for wall  
mounted installation with a minimum installation height of  
150mm to the underside of the unit.  
programmed into the unit and the fan speed is automatically  
adjusted until the desired room temperature is achieved. In  
manual mode any of the 3 available fan speeds can be  
selected without automatic room temperature control. This  
feature can be used to circulate ambient air in summer,  
for example, or to provide manual control of heating  
performance.  
G The SLIM-LINE RC should only be used on closed  
circulation, two pipe, pump assisted central heating systems.  
G The SLIM-LINE RC can be used on heat pump systems.  
G The minimum side clearance is 100mm.  
G The maximum ceiling height is 3m.  
G The appliance is not intended for use by persons (including  
children) with reduced physical, sensory or mental capabilities,  
or lack of experience and knowledge, unless they have been  
given supervision or instruction concerning use of the  
appliance by a person responsible for their safety.  
G Before proceeding with the installation, the heating system  
design must be considered and the unit correctly sized to  
meet the heat loss requirements of the room at normal fan  
speed.  
Children should be supervised to ensure that they do not play  
with the appliance.  
G This unit is supplied with an infra red remote control system  
and can be operated in either automatic or manual mode.  
In automatic mode the desired room temperature is  
This unit MUST NOT be installed in a bathroom or other similar high humidity area.  
2.0 Heating System Design  
This fan convector must be fitted on a two pipe, pumped  
circulation heating system.  
4. The system water must be above 43°C for heating mode.  
5. For heat pump applications - see Commissioning Procedure  
For optimum fan convector heating performance the system  
must be capable of providing sufficient hot water through the  
heat exchanger. This means that:  
6. This unit is NOT suitable for one-pipe systems.  
7. Optimum performance will require effective balancing of  
the whole system.  
1. The minimum pipe size from boiler to fan convector must be  
15mm.  
8. This unit must not be used to replace a radiator in an  
existing system unless an adequate flow of water through  
the unit can be guaranteed.  
2. This unit is not suitable for use on microbore pipe-work.  
3. Where the unit is fitted on to a system with other emitters a  
separate circuit for the fan convector should be considered  
to provide adequate water flow.  
3.0 Unit Selection/Sizing  
Heat output performance is given in the Technical Data section  
of this manual. Outputs are shown for the three fan speeds,  
however, it is important to size the unit to match the calculated  
heat loss requirements of the room with the unit operating on  
the low fan speed. The higher fan speeds are used in automatic  
mode when the room temperature is significantly lower than the  
preset temperature.  
When establishing the temperature difference, ie mean water to  
room temperature, allowance should be made for temperature  
drop in the system. It is the water temperature of the unit which  
dictates the output.  
4.0 Location  
G This SLIM-LINE RC unit may be fitted to any convenient wall  
at a height from floor level that suits the application,  
providing an unimpeded flow of warm air into the area to be  
heated.  
G The unit should be mounted on a flat wall, and stud or  
partition walls should be avoided to minimise the possibility  
of noise transmission.  
G The minimum distance from the underside of the unit to floor  
level is 150mm.  
 
04 SLIM-LINE RC  
5.0 Preparation  
Before proceeding with the installation, unpack the carton  
contents and check against the checklist below:  
1. SLIM-LINE RC unit.  
2. 15mm isolating valves (1 pair).  
3. Instruction manual.  
4. Warranty card.  
5. Fixing kit (rubber mounts and cable gland).  
6. Remote control handset.  
6.0 Fixing  
G Using the fixing dimensions (see fig. 1), mark the fixing hole  
G Press adhesive washers to the wall.  
positions on the wall.  
G Remove outer case fixing screw at the bottom of the unit  
G Drill and plug the wall for No. 8 x 40mm round head wood  
screws ensuring that the wall plugs are suitable for the wall  
type.  
(see fig. 2).  
G Lift off outer case.  
G Fit chassis on to retaining screws and tighten.  
G Remove the backing from the self-adhesive washers and place  
on screws with adhesive side towards the point.  
G Tighten the screws into the wall leaving about 9mm  
projecting.  
Fig. 1  
 
SLIM-LINE RC 05  
7.0 Water Connections  
G Connect unit to system flow and return pipes using the two  
G Ensure system is flushed in accordance with recognised best  
practice and a suitable inhibitor is added to the system as  
necessary.  
15mm isolating valves (see fig. 2).  
Note: To ensure effective venting of the heat exchanger the flow  
pipe should be connected to the bottom connection of the heat  
exchanger.  
G Open valves fully, check pipe connections for leaks and vent  
the heat exchanger - see Commissioning Procedure.  
Note: For SLIM-LINE RC installations pipe-work must not be  
routed directly underneath the unit as this will adversely affect  
the operation of the integral room thermostat. If this cannot be  
avoided, the pipe-work must be boxed to prevent heat rise.  
150  
Fig. 2  
 
06 SLIM-LINE RC  
8.0 Electrical Connection  
WARNING: This appliance must be earthed. The electrical installation must comply with local or national  
wiring regulations.  
G This unit is supplied with factory fitted test leads. Remove  
G Connect live and neutral wires to the power board terminal  
these and discard.  
connections, and the earth wire to the chassis earth terminal.  
G A fused electrical spur with a maximum 3A fuse and a switch  
having 3mm separation on all poles must be provided in an  
easily accessible position adjacent to the unit.  
G Electrical cable entry to the unit should be made through the  
underside of the unit using the cable gland provided, or  
through the hole provided at the upper right hand corner of  
the chassis.  
Wiring diagram  
L N  
y
w
bl  
br  
O O  
br  
bl  
Motor  
Power Board  
Air Sensor  
y
= Yellow  
= White  
w
Control Board  
bl = Blue  
Water Sensor  
br = Brown  
 
SLIM-LINE RC 07  
9.0 Commissioning Procedure  
G Fill and vent the system.  
G Change switch position (see fig. 3).  
G Refit cover.  
G Open both valves fully and vent air from the heat exchanger  
by unscrewing the air bleed valve situated above the valves in  
the angled top of the chassis.  
G Switch on electrical supply.  
G Check for leaks at pipe connections.  
G Refit the outer case and secure using the 2 fixing screws.  
G Switch on electrical supply.  
Displayed Temperature Calibration  
Depending on the location of the unit there may be a difference  
between the temperature at the unit and the temperature in the  
middle of the room being heated.  
G Check the operation of the unit in automatic and manual  
modes by following the operating instructions.  
The displayed temperature calibration function enables  
calibration in heating mode of the displayed temperature to the  
actual room temperature using the following procedure:  
G When installation and commissioning are complete, hand over  
instruction manual to end-user.  
G Press the ‘On/Off’ key and ‘+’ key for 5 seconds (the display  
will flash, alternating between ‘ro’ and the calibration  
temperature.  
Heat Pump Applications - Low Water Set Point  
Adjustment Heating Mode  
G Calibrate the displayed room temperature by using the  
The low limit water set point is factory set to 43°C, but for  
systems such as those with heat pumps, a lower water set point  
may be required. The set point can be adjusted using the set  
point dip switch located on the control board.  
‘+’ and ‘-’ keys with the fan running.  
G Press the ‘On/Off’ key to finish  
G Isolate electrical supply.  
G Remove outer cover.  
Switch  
Switch Down  
Switch Up  
1
2
3
4
Water Stat Set Point  
Heating  
32°C  
43°C  
Heating  
Do not use  
Not Used  
Temperature Display  
°F  
°C  
Fig. 3  
 
08 SLIM-LINE RC  
10.0 Technical Data  
Heating Performance Data  
Temperature Difference (°C)  
Power  
Fan Speed  
Consumption  
(watts)  
Heat Output (watts)  
Heat Output (Btu/h)  
20°  
860  
30°  
40°  
50°  
60°  
20°  
30°  
40°  
6210  
7779  
10100  
50°  
60°  
Normal  
Medium  
Boost  
1340  
1710  
2220  
1820  
2280  
2960  
2290  
2870  
3720  
2770  
3460  
4460  
2934  
3856  
5013  
4572  
5835  
7575  
7813  
9792  
9451  
125  
1130  
1470  
11806  
15218  
12693  
Tested in accordance with BS 4856 Part 1.  
Flow rate 340 ltr/h (75 gal/h).  
Approximate Hydraulic Resistance through  
Fan Convectors  
Flow Rate Correction Factors:  
455 ltr/h (100 gal/h) multiply by 1.03  
227 ltr/h (50 gal/h) multiply by 0.96  
113 ltr/h (25 gal/h) multiply by 0.85  
mm wg  
kPa  
Litres/h  
455  
340  
227  
113  
1771  
1161  
561  
17.4  
11.4  
5.5  
Electrical supply 230V 50Hz  
Test pressure 20bar (1MPa)  
Max working pressure 10bar (1MPa)  
Water connections 15mm compression  
Unit weight dry 14.3kg  
201  
2.0  
Water capacity 0.51 litres  
Noise levels in accordance with EN 23741  
Fan  
Sound Pressure at 2.5m (dBA)  
Setting  
Normal  
Medium  
Boost  
21.9  
30.6  
39.7  
 
SLIM-LINE RC 09  
11.0 Operating Instructions  
Description  
In manual mode the automatic temperature control is  
overridden and any of the three fan speeds can be operated  
inrespective of the water temperature in the unit. This means  
that air circulation can be provided in summer for example, or  
that heating performance can be controlled manually.  
This SLIM-LINE RC unit is fitted with a control system that  
provides either automatic or manual control of the unit. In  
automatic mode the desired temperature set point is selected  
and the unit will adjust the fan speed according to the difference  
between the actual room temperature and the set point. When  
the room temperature reaches the set point the fan will switch  
off and thereafter will continue to cycle on and off to maintain  
the room temperature. The temperature set point range is 15 - 35°C.  
The unit can be controlled using the infra red remote control  
handset supplied with the unit (see fig. 4) and also using  
the control panel on the unit (see fig. 5). If necessary, however,  
the control panel can be locked electronically to prevent  
tampering once the controls have been set (see over).  
Fig. 4  
Fig. 5  
The remote control hand set takes 2 AAA batteries (not supplied).  
Controls  
Display  
Heating  
Power button  
‘+/-’ button  
Switches unit on & off  
The unit will only operate in heating mode when the central  
heating boiler is on, the pump is running and the system water  
temperature is greater than 43°C. Ensure the boiler is on, and  
set timer, boiler controls and room thermostats as  
necessary.  
Adjust temperature set point from  
15 - 35°C  
Scrolls into F1, F2 or F3 manual mode  
 
10 SLIM-LINE RC  
11.0 Operating Instructions (continued...)  
Manual  
Operation  
Display  
Manual mode can be used for air circulation without heat or for  
manual control of the heating function.  
Power off  
No Display  
Switch on supply to unit  
(unit off)  
for 30 seconds  
Use ‘+’ to scroll  
beyond 35°C  
Selected fan speed  
displayed  
Or use ‘-’ to scroll  
below 15°C  
Supply on / unit off  
Switch on unit  
Set point flashes for  
approx 5 secs, then  
Ambient temperature  
displayed  
Scrolling back out of manual using the ‘+’ or ‘–’ button will revert  
the unit back to last temperature set point.  
Locking Unit Controls  
Use ‘+/-’ to adjust  
set point  
Set point flashes for  
approx 5 secs, then  
The control panel on the main unit can be locked electronically  
to prevent interference once the controls have been set. After  
setting the unit to the desired temperature setting and with the  
unit in running mode, press the On/Off button on the main unit  
for about 6 seconds until the two middle horizontal bars appear  
on the display. The horizontal bars will disappear after about 6  
seconds and the unit is in key lock mode.  
Ambient temperature  
If any of the unit controls are pressed the horizontal bars will  
reappear to show the key lock mode is activated, however,  
during this mode the handset controls remain functional.  
The ambient temperature is always displayed unless the water  
temperature falls below 43°C*, or if the set point is being  
adjusted.  
To unlock the system press the On/Off button for about 6  
seconds until the horizontal bars disappear.  
Water temp <43°C  
Shows both power  
& unit on  
*43°C in normal heating system, 32°C for heat pumps and above 20°C in cooling.  
12.0 Troubleshooting  
Once installed this fan convector becomes part of a complete  
heating system that will generally include a boiler, pump, other  
emitters such as radiators and fan convectors, and a number of  
heating controls, dependent on system complexity. An apparent  
problem with this unit may be the result of system controls being  
incorrectly set and can be solved easily without calling out your  
installer or MYSON Service. Before calling your installer or  
MYSON Service, please carry out the checks listed opposite.  
Note: If you call out MYSON Service to a fault detailed opposite,  
or to repair a fault caused by incorrect use, a call out charge will  
be made.  
 
SLIM-LINE RC 11  
12.0 Troubleshooting (continued...)  
Problem  
Possible Causes  
Unit switched off  
Remedy  
Turn on  
Temperature set point reached  
Unit not switched on at fused spur  
Fuse blown at fused spur  
Increase temperature set point  
Switch on at spur  
Replace fuse  
Heating Mode -  
No Fan  
Unit isolating valves shut  
Open valves  
Water temperature reaching fan  
convector below 43°C  
Check boiler -  
Programmer ON  
(Heater model only)  
Boiler ON and set to high with central  
heating pump running  
Note: Operation of fan convector can be checked by  
switching to manual fan setting  
Heating Mode  
(Heater model only)  
poor heating  
performance and/or  
unit cycles on  
Low water temperature to unit  
Poor water flow  
Turn up boiler thermostat  
Vent air from heating system  
Note: Operation of fan convector can be checked by  
switching to manual fan setting  
water sensor  
If the fan convector is still faulty after checking the above, call your installer or MYSON Service.  
heat, and the heating system must be correctly designed to  
Common Installation Faults  
provide adequate flow of hot water to the unit (refer to section  
2). If the recommendations in section 2 are not followed,  
problems may arise as detailed below.  
For optimum performance, this unit must be correctly sized to  
match the heat loss requirements of the space it is required to  
Problem  
Possible Causes  
Poor heating performance  
Unit incorrectly sized for heat loss of room  
(Heater model only)  
Boiler thermostat set too low  
Lack of flow to fan convector -  
Heating Mode  
(Heater model only)  
poor heating  
Pump set on low setting  
performance and/or  
unit cycles on  
Isolating valves not fully open  
water sensor  
System incorrectly balanced with unit starved of hot water flow  
Pipe sizing to unit too small  
13.0 Maintenance  
Before undertaking any maintenance activity isolate the  
electrical supply.  
with warm water and mild detergent taking care to avoid water  
entering the grille areas.  
Maintenance should be restricted to occasional removal of dust  
and lint around the unit. The outer surface may be wiped over  
 
MYSON Eastern Avenue, Team Valley, Gateshead, Tyne & Wear NE11 0PG, UK  
heatingthroughinnovation.  
After Sales Service:  
MYSON Service, Somerden Road, Hull, East Yorkshire HU9 5PE  
T: 01482 713927, F: 01482 789056, [email protected]  
Spare parts and technical help on all Convector products are available from MYSON Service.  
 

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