Mounting Optional Plug-In Controls - Worcester 27i System Compact Installation, Commissioning And Servicing Instructions

INSTALLATION

4.7.1 MOUNTING OPTIONAL PLUG-IN CONTROLS

CAUTION: Isolate the mains electrical supply before
starting any work and observe all relevant safety
precautions.
Refer the to Programmer/Timer manual for set up and operation of the
unit.
REMOVING THE BLANKING PLATE
The control panel must be released and swung forward slightly to gain
access to the top cover panel, refer to section 6.4 for access to the
control panel.
1. Release the captive screws securing the top cover panel.
2. Remove the cover panel to enable the blanking plate to be removed.
3. Release the three captive screws enough to allow the Installer access
cover to be lowered by 10mm.
4. Lower the Installer access cover to allow the blanking panel to be
removed.
5. Use the tab (1) to lift and also press up on the bottom edge of the
blanking plate to release the clips from the slots in the control panel.
6. Pull the blanking plate forward to remove.
1.
5.
1.
4.
3.
Fig. 49 Removing the blanking plate
FITTING THE PROGRAMMER/TIMER
When fitting EMS intelligent programmers, step 1 can be
ignored.
1. Connect the ribbon cable to the socket (2) in the control panel,
ensuring that the cable will fit into the recess (3) in the control panel.
2. Align the clips on the back of the Programmer/Timer with the slots in
the control panel.
28
2.
1
6.
2.
Fig. 50 Connecting the Programmer/Timer
3. Push the Programmer/Timer in to engage with the slots in the control
panel.
4. Pull the Programmer/Timer down to secure with the clips.
5. Slide the Installer access cover up into position.
6. Secure with the three captive screws.
7. Replace the top cover panel.
8. Secure in position with the captive screws.
▶ Re-secure the control panel.
8.
3.
5.
6.
Fig. 51 Fitting the Programmer/Timer
Part number Description
7 716 192 038 DT20 twin channel digital timer
7 716 192 054 DT20RF digital RF thermostat with twin channel
programmer
7 716 192 052 DT10RF Digistat
7 716 192 053 DT10RF optimiser
7 716 192 065 FR10 intelligent room thermostat
7 716 192 066 FR110 programmable room thermostat
7 716 192 067 FW100 weather compensation controller
Table 9 Controls accessories
Greenstar i System Compact - 6 720 807 726 (2013/05)
3
2
2.
1
1.
7.
4.