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Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and
regulations, and experienced with this type of equipment. Caution: Sharp edges and coil surfaces are a potential
injury hazard.
Conditioner Description
The McQuay MQT heat pump is designed and built for
through-the-wall installation in either new or existing build-
ings. The self-contained refrigerant system delivers cooling
or reverse cycle heating depending on which is called for and
has back-up electric resistance heating.
1. Subbase — Optional on 208 or 230 volt units; standard on
265 volt units. Shipped in a separate carton.
2. Louver Frame — Optional; shipped in separate carton.
3. Room Cabinet/Wall Sleeve — Shipped in palletized car-
ton with heating/cooling chassis.
4. Outdoor Louver — Shipped in separate carton.
5. Heating/Cooling Chassis — Shipped in palletized carton
with room cabinet/wall sleeve.
Figure 1.
20
3
⁄
4
"
(527mm)
Min. 9
3
⁄
4
"
(248mm)
Wall Line
44
7
⁄
8
"
(1140mm)
1
3
⁄
8
"
(35mm)
3
3
⁄
4
"
(95mm)
Filter
42
1
⁄
2
"
(1080mm)
1
3
⁄
16
"
(30mm)
5
1
⁄
2
"
(140mm)
4
3
⁄
8
" to 15
5
⁄
8
"
(111 to 397mm)
7
1
⁄
4
"
(184mm)
16
3
⁄
8
"
(416mm)
4"–4
1
⁄
2
"
(102 –114mm)
3
⁄
8
" (10mm) Louver-Stamped (Standard) or
1
1
⁄
8
" (29mm) Louver-Extruded (Optional)
3
⁄
8
" (10mm)
Louver-Stamped
(Standard) or
1
1
⁄
8
" (29mm)
Louver-Extruded
(Optional)
1
2
3
3
1
Note:
4" minimum space requirement between
underside of unit and floor for return air.
¿
Subbase is optional on 208 and 230
volt units but standard on 265 volt.
¡
A
3
⁄
4
" (19mm) drip lip.
¬
Optional condensate connection.
Figure 2. Conditioner — wall mounted
9
3
⁄
4
"
(248mm)
Min.
4" (102mm)
Min.
2" x 4" (51 x 102mm)
Junction Box
All wiring should be done in accordance with all local and
National Electrical Code requirements. The conditioners are
supplied as follows:
1. 208 or 230 Volt Models — Supplied with an attachment
cord and plug which exit from beneath the conditioner on
the right side through a grommeted hole. The cord has a
usable length of 48" (1220mm) from where it exits the
conditioner. The use of an extension cord to increase the
length of the plug/cord set is not recommended. The
attachment plug size should be used to determine the
Electrical Service
circuit ampacity and overcurrent protection. Time delay
fuses are recommended to avoid nuisance tripping. An
optional subbase is available and contains a junction box
for a field mounted receptacle. Suggested outlet loca-
tions are as follows:
a. Wall Mounted Conditioner — Generally mounted
beneath the conditioner on or recessed in the wall so
it is concealed by the conditioner overhang (see Figure
2). The space under the conditioner must be at least 4"
(102mm) high.