TEV marstair 55017006, Technical Manual, Page: 8 / 20

8 55908039-03
The unit may be mounted on a wall or solid ceiling using brackets supplied. It should be matched with the
appropriately sized outdoor unit; this instruction should be used in conjunction with the outdoor unit installation
instructions.
1. Fit all kits prior to installing the unit. (Heater kit is easier to fit when unit has been mounted).
2. Ensure that the mounting surface will support the operating weight of the unit (see table below).
3. Mark out the mounting positions and drill holes to suit 6mm rawlbolt shields or equivalent strength fasteners
(ensure that the unit is positioned to give sufficient access (min 0.5m) to the electrics access side).
4. Fix the mounting brackets to the unit in the correct
position for wall or ceiling mounting.
5. Raise the unit into position and secure the fixings,
ensuring that it is square and level.
6. Remove the drain tray then fit the drain stub, nut &
gasket (Fig.1). Refit the drain tray.
Fig.1
CXE PIPEWORK
NITROGEN CHARGE
The unit contains a small charge of dry nitrogen, which should be discharged into the atmosphere. This is a non-toxic,
non-ozone depleting gas with no global warming potential.
PIPE CONNECTIONS
Pipework is terminated with 2 flare nuts & bonnets. Access is via the rear right hand side. Pipes exit the unit through
holes in the back panel.
INDOOR UNIT CXE 30 CXE 50 CXE 70
LIQUID / EXPANSION 3/8" 3/8" 1/2"
SUCTION 1/2 " 1/2 " 5/8"
CONDENSATE DRAIN
Push fit connections are widely available for the 7/8” (22mm) OD condensate drain and 3/4"(19mm) ID drain stub
adaptor. Alternatively 7/8” (22mm) bore plastic tubing may be fitted directly to the stub/adaptor with a hose clamp.
Take care not to overtighten hose clamps as this could damage the stub pipe.
•
Cables are routed to the terminal block via the cable cord grips at the rear of the unit and then through the back
of the electrics box (see page 2).
•
Cables MUST be size compatible with the recommended system fuse.
CONTENTS
PARTS DESCRIPTION ACTION
Envelope containing operating instructions
and Declaration of Conformity
Pass to the end user.
Drain Stub/Nut/Gasket Fitted by installer.
Drain stub adaptor Convert to ¾ " drain if required.
Mounting brackets plus fixings Use to hang unit.
CXE ELECTRICAL CONNECTIONS
DRAIN TRAY
GASKET
NUT
DRAIN STUB
CXE INSTALLTION