Dimplex ARC10E User Manual - Page 5
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Electrically heated variants
Operation using switch box - CABC1
Switch on electrical supply to the air curtain. Switching the switch
marked 'I' energises the fan. The fan switch allows either low or
high fan speeds to be selected. The heat selection switch allows
heat setting to be chosen.
- Off
- ½ heat
- Full heat
The A / M (auto / manual) switch allows for manual over-ride of a
door switch if fitted.
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 3
minute period.
Door switch control (Electric models)
By including a door switch in the circuit (see 'D' in Fig. 6) 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, ½ heat (if heat selected) and ½ fan will
activate.
(4)
Between 2 minutes and 3 minutes, the fan only (½ 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 (red) buttons
(see 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 - CABC2
Switching the switch marked 'I' energises the fan.
The fan switch allows either low or high fan speeds to be
selected.
The A / M (auto / manual) switch allows for manual over-ride of a
door switch if fitted.
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 3
minute period.
Thermostatic control (optional)
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.
Door switch control (Water heated & Ambient models)
By including a door switch in the circuit (see '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 ½ fan
set back operation will activate.
(4)
After 2 minutes, the air curtain will return to a dormant state
until the door is re-opened. If the door re-opens during this
2 minute run on cycle, the process will re-start at (1).
Wiring Diagrams
ARC 'E' - Electric models - see Fig. 6
ARC 'W' / 'A' - Water heated & Ambient models - see Fig. 7
A -
Master Module Link
B -
12VDC Feedback Signal to BMS (Unit Fault Check)
C -
Thermostat (Optional)
D -
Door Switch (Optional)
E -
Thermal Safety Cut-out Circuit
F -
Elements
G -
BMS Switches (Optional)
M -
Motor
N -
Switch box
For operation via switch box, all BMS switches as shown in Fig. 6
& 7 need to be OPEN CIRCUIT if used. Do not remove BMS links
on PCB.
For operation via BMS, switch box to be set as follows:
I/0 in O (Off) position
Heat selection switch to be in O (Off position)
Fan selection switch in either high or low speed position
bms
bms
bms
bms
M1
M2
H1
H2
1
O
X
1
1
O
X
1
Remote (BMS / BEMS) Operation
Connection to Building Energy Management Control Systems
(BEMS) is possible so that remote control of the air-curtain can
be carried out in conjunction with other equipment.
Modular Connection
A number of units can be connected together to form one
continuous long air curtain. Each appliance should be supplied
separately. Simultaneous control of all the air curtains is achieved
by linking the PCB's with a modular linking cable found in the
modular linking kit. (Kit Ref. - CABM1) Refer to instructions
provided with the modular linking kit.
O - Circuit Open
1 - Circuit Closed
X - Either Open or Closed