Program Weekly Timer; Rbc-Exw21E - Toshiba R410A Service Manual

INSTALLATION MANUAL
Accessory parts
Q'ty
Part Name

Program weekly timer

1
Connecting cable
1
(Length: 1.2m)
Screws
2
M4 x 25
Wood screws
2
Spacer
2
Owner's Manual
1
Installation Manual
1
Requirement to install
the program weekly timer
Installing dimension for serial installation
When installing the program weekly timer
(remote controller/system controller, etc.) to the
wall surface, follow the installation procedure in
(Fig. 1) and (Fig. 2).
92.5mm or more
from the wall 125mm or more
Spacer
Wall
90mm or more
from the wall 125mm or more
2.5mm (Gap size)
Pull-out port
of lead wire
Fig. 1
*
When installing the remote controller and the
program weekly timer which are set in parallel
at upper side and lower side, in consideration
of maintenance, keep a clearance with 25mm
or more.
To Personnel Charged in Installation (Electric) Work and Service
How to install the program weekly timer
NOTE 1 :
Avoid to twist the program weekly timer cable
with the power supply cable, etc. or to store
them in the same metal pipe, otherwise it
causes a malfunction.
NOTE 2 :
Install the program weekly timer apart from the
generation source of noise.
NOTE 3 :
When noise is induced to the power source of
the indoor unit, measures such as mounting
the noise filter is necessary.
• Install the program weekly timer to the box
(Procured locally) which has previously
inserted in the wall.
Small screws
Spacer
M4 x 25 (2 pcs.)
or wood screws
Rear case
Program weekly
timer body
Cover
Fig. 2
1. Inserting a minus screwdriver, etc. into the
groove at the lower side of the program
weekly timer, which appears when opening
lid of the program weekly timer body, force
open the rear case to remove it.
2. Using the attached M4 screws or wood
screws (2 pcs.), fix the rear case of the
program weekly timer. Before installation,
press to open the screw hole with a
screwdriver, etc.
Fix it with the spacer, but not so strongly.
If the program weekly timer does not fit
closely to the wall, adjust it by cutting off the
spacer.
3. Connect the attached connecting cable
(4 cores) to the program weekly timer body.
4. Install the program weekly timer body by
matching to hooks on the rear case and
putting into the hooks.
Cabling
• Connection diagram
(Be sure to use the attached connecting
cable.)
Timer terminal Timer terminal
1 1 1 1
Program
2 2 2 2
Remote
weekly
controller
3 3 3 3
timer
4 4 4 4
Connecting cable (Accessory)
• Arrangement
The program weekly timer and the remote
controller can be arranged to either right or left
side.
• Cabling procedure
Perform cabling in the following procedure.
1. Connect the attached connecting cable to the
timer terminal (4P connector) of the program
weekly timer. (Fig. 3)
<Remote controller> <Program weekly timer>
To terminal block
To remote controller
for indoor unit To program
Attached Connector
remote controller weekly timer
connecting cable section
cabling
Fig. 3
2. Pull the attached cable out of lead wire pull-
out port on the rear case of the program
weekly timer and connect the cable to the
timer terminal (4P connector) of the remote
controller via inside of the wall. (Fig. 4)
Attached connecting
cable
<Program weekly timer> <Remote controller>
Lead wire
pull-out port
Fig. 4
Program Weekly Timer
MODEL : RBC-EXW21E
• System diagram
DC12V
Program
Remote Indoor Outdoor
weekly
controller unit unit
timer
4
wires
: Terminal block : Connector
Program weekly timer test run setup
• After installation, check (OFF to ON) output
status using the forced ON switch on the rear
side of the program weekly timer P .C. board.
Then check the normal operation and
certainly turn OFF the forced ON switch.
ON OFF ON OFF
Forced ON switch
Memory backup function for
power failure compensation
• This program weekly timer stores in memory
the contents set by the operation button during
a power failure. Pushing PROGRAM button
resumes the operation with the contents
before the power failure when the power failure
has been reset.
• How to use [BACKUP]
After the installation work, check [BACKUP]
switch on the rear side of the program weekly
timer P.C. board is turned to ON side.
ON OFF ON OFF
BACKUP switch
Explanation to customers
• After the installation work, hand "Owner's
Manual" and "Installation Manual" to the
customers.
• Explain use and maintenance methods to the
customers according to "Owner's Manual".
85464359429000 (EN)