Carrier 40MVQ Installation Instructions

10
INSTALL ALL POWER, INTERCONNECTING
WIRING, AND PIPING TO INDOOR UNIT.
1. Run interconnecting piping and wiring from outdoor unit to
indoor unit.
2. Run interconnecting cable through hole in wall (outside to
inside).
3. Lift indoor unit into position and route piping and drain
through hole in wall (inside to outside). Fit interconnecting
wiring into back side of indoor unit.
4. Put upper claw at back of indoor unit on upper hook of
Mounting Plate, move indoor unit from side to side to see
that it is securely hooked.
5. Open front cover of indoor unit and remove field wiring ter-
minal block cover.
6. Pull interconnecting wire up from back of indoor unit and
position in close to the terminal block on indoor unit.
7. Push lower part of indoor unit up on wall, then move in-
door unit from side to side, up and down to check if it is
hooked securely. (See Fig. 14.)
Upper hook
Lower hoo
k
A07347a
Fig. 14 --- Indoor Unit Installation
8. Connect wiring from outdoor unit per connection diagram
(see Fig. 13 and Fig. 17).
9. Replace field wiring cover and close front cover of indoor
unit.
10. Connect refrigerant piping and drain line outside of indoor
unit. Refer to Fig. 11 for proper installation of flare
connections. Complete pipe insulation at flare connection
then fasten piping and wiring to the wall as required. Com-
pletely seal the hole in the wall.
11. Connect the drain line. The drain line must not have a trap
anywhere in its length, must pitch downwards, and must be
insulated up to the outside wall. See Fig. 15.
Do not form a rise.
Do not put the drain
end into water.
A07342
Fig. 15 --- Proper Drain Hose Installation
NOTE: For proper orientation of the refrigerant piping, electrical
cable and drain lines, refer to Fig. 16.
Interconnecting
Wiring
Drain Piping
Refrigerant Piping
Tape
Indoor unit
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A07346
Fig. 16 --- Proper Orientation
NOTE: For applications where gravity cannot be used for
drainage, a condensate pump accessory is available. Consult the
condensate pump Installation Instructions for more information.
REMOTE CONTROL INSTALLATION
Mounting Bracket (if installed on the wall)
1. Use the two screws supplied with control to attach Mount-
ing Bracket to wall in location selected by customer and
within operating range.
2. Install batteries in Remote Control.
3. Place Remote Control into remote control Mounting Brack-
et.
4. For remote control operation, refer to the unit Owner’s
Manual.
L1 L2 S G
To outdoor unit
Panel
Terminal block
Control Box Cover
208/230-1-60
From outdoor unit
to indoor unit
Control:
Pulse DC between outdoor
unit and indoor unit with a
potential AC voltage shock hazard.
Barrier between
high and low voltage
18k & 24k
Terminal block of indoor unit
12 34
To Outdoor Unit
12v DC from outdoor unit
to indoor unit
35v DC from
outdoor to indoor
9k & 12k
A07349a
Fig. 17 --- Control and Power Wiring on Indoor Unit
38/40MVC, MVQ

Carrier 40MVQ Specifications

General

Brand	Carrier
Model	40MVQ
Category	Air Conditioner
Language	English