McQuay PTAC 106018561, 106018561 Installation Manual
Installation & Maintenance Data
Incremental® Comfort Conditioners
Suite II
®
With Top Mounted
Hydronic Heat Section
IM 422-4
Group: PTAC
Part No.: 106018561
Date: May 1999
©1999 AAF–McQuay Incorporated
IM 422-4 / Page 1 (Rev. 5/99)
Table of Contents
Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Wall Opening Requirements . . . . . . . . . . . . . . . . . . . . . . 3
Wall Sleeve Installation . . . . . . . . . . . . . . . . . . . . . . . . 4–6
Panel Wall With Factory Louver . . . . . . . . . . . . . . . . . . 4
Panel Wall With Continuous Louver . . . . . . . . . . . . . . . 5
Frame and Brick Construction . . . . . . . . . . . . . . . . . . . 6
Heat Section Installation. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Coil Piping. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Steam Coils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Hot Water Coils . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Anchoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installing Louvers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Installation of Cooling Chassis . . . . . . . . . . . . . . . . . . . . . 8
Adjusting Temperature Limiting Device . . . . . . . . . . . . . . 9
Electrical Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installing Room Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Equipment Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 10
Recommended Spare Parts . . . . . . . . . . . . . . . . . . . . . . 11
Refrigeration Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . 12–13
Approximate Shipping Weights . . . . . . . . . . . . . . . . . . . 13
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14–15
Normally Closed Valve (Steam) . . . . . . . . . . . . . . . . . 14
Normally Open Valve (Hot Water) . . . . . . . . . . . . . . . 15
Installation
The installation of this equipment shall be in accordance with the regulations of authorities having jurisdiction and all
applicable codes. It is the responsibility of the installer to determine and follow the applicable codes. Sheet metal parts, selftapping screws, clips, and such items inherently have sharp edges, and it is necessary that the installer exercise caution. This
equipment is to be installed only by an experienced installation company which employs trained personnel.
Inspection
When the equipment is received, all items should be carefully
checked against the bill of lading to be sure all crates and
cartons have been received. All units should be carefully inspected
for damage when received. If any damage is noticed, the carrier
should make the proper notation on the delivery receipt acknowledging the damage. The carrier should also fill out a Carrier
Inspection Report. The AAF–McQuay Incorporated Traffic Department should then be notified.
The unit nameplate should be checked to make sure the
voltage agrees with the power supply available.
This unit is designed and built for through-the-wall installa-
Figure 1. Exploded view of complete unit
tion in either new or existing buildings. The self-contained
refrigerant system delivers cooling to the desired space. Heating
is accomplished with a top mounted hydronic heating coil.
Each conditioner consists of the following components:
1. Cooling Chassis — Shipped separate in a single carton.
2. Wall Sleeve — Shipped separate in a single carton or in a
multi-pack of 15.
3. Hydronic Heat Section — Shipped in a separate carton.
4. Outdoor Louver — Shipped in a separate carton.
5. Room Cabinet — Shipped in a separate carton with kickplate
attached.
IM 422-4 / Page 2 (Rev 5/99)
WARNING
!
Residential and institutional cleaning compounds can cause permanent damage to the packaged terminal unit. To avoid
damage to unit controls and heat transfer surfaces, do not spray cleaning compounds onto the discharge grille, return air
opening, or unit controls. Normal cleaning can be accomplished by wiping the unit surface with a damp cloth. When using
cleaning compounds on carpets, floors or walls, turn the unit off to avoid drawing potentially damaging vapors into the
package terminal unit.
Wall Opening Requirements
Before installing the unit, check the wall opening to be sure
the wall sleeve will slide into the opening unobstructed. For
masonry walls, a lintel must be used to provide support over
each opening. The rough opening should measure 161⁄4"
(413mm) high x 421⁄4" (1073mm) wide. The opening must be
a minimum of 3" (76mm) above the finished floor (including
carpeting).
42"
(1069mm)
5"
(127mm)
Note: Electrical rough-in should be located behind kickplate
(removable front) and below wall sleeve.
11⁄2"
(38mm)
191⁄2"
(495mm)
3"
(76mm) Min.
3"
(76mm)
Wall Sleeve
52" (1320mm)
Removable Cabinet
Front Panel
52" (1320mm)
Wall Space For Piping Rough-in
(Typ. R.H. & L.H.)
Kickplate (Removable
Front)
31⁄2" (89mm)
1
⁄2" (13mm)
11⁄4" (32mm)
(Architectural)
Cabinet
Floor Space
For Piping
Rough-in (Typ.
R.H. & L.H.)
2" (51mm)
7
⁄8"
(22mm)
11⁄4" RECESS FOR ARCHITECTURAL LOUVER
“A” – IN. (MM) “B” – IN. (MM) “C” – IN. (MM)
ROOM CABINET WALL SLEEVE WALL THICKNESS
3
⁄4 (451) 133⁄4 (349) 53⁄4–63⁄4 (146–171)
17
3
⁄4 (425) 133⁄4 (349) 63⁄4 –73⁄4 (171–197)
16
3
15
⁄4 (400) 133⁄4 (349) 73⁄4 –83⁄4 (197–222)
3
⁄4 (375) 133⁄4 (349) 83⁄4 –93⁄4 (222–248)
14
3
⁄4 (349) 133⁄4 (349) 93⁄4 –103⁄4 (248–273)
13
3
12
⁄4 (324) 133⁄4 (349) 103⁄4 –113⁄4 (273–298)
3
⁄4 (298) 133⁄4 (349) 113⁄4 –123⁄4 (298–324)
11
3
⁄4 (273) 133⁄4 (349) 123⁄4 –133⁄4 (324–349)
10
3
10
⁄4 (273) 143⁄4 (375) 133⁄4 –143⁄4 (349–375)
3
⁄4 (273) 153⁄4 (400) 143⁄4 –153⁄4 (375–400)
10
3
⁄4 (273) 163⁄4 (425) 153⁄4 –163⁄4 (400–425)
10
3
10
⁄4 (273) 173⁄4 (451) 163⁄4 –173⁄4 (425–451)
Standard Size Wall Sleeve
Wall
Thickness
“C”“A”
11⁄4 " (32mm)
27⁄8" (67mm)
16"
(406mm)
7
⁄8" (22mm)
51⁄2"
(140mm)
15⁄16"
(33mm)
(232mm)
15⁄8"
(41mm)
“B”91⁄8"
3" (76mm) Min.
Kickplate Height
IM 422-4 / Page 3 (Rev. 5/99)
Wall Sleeve Installation — Thin Wall Construction
The standard wall sleeve is designed to be easily installed in
a variety of wall constructions. For panel wall and thin wall
construction, it is recommended that the optional top angle be
used and the wall sleeve be supplied with a turned down
flange (see Figure 3).
The recommended procedure for installing units in panel
wall and thin wall construction is as follows:
1. Clean the opening of all debris that may interfere with
installation.
2. Recess the wall opening so that the louver is flush with the
exterior of the building (refer to Figure 3). The center of
gravity is approximately 10
3
⁄4" (273mm) from the rear face
of the standard wall sleeve. If a subbase is not used, field
support must be provided up to the center of gravity. This
support can be metal, wood or concrete.
3. Level wall sleeve in all directions and anchor with appropriate fasteners. Use holes provided (see Figure 14, page
8) or drill additional holes as required to secure firmly.
Caution: Do not drill holes in the base of the wall sleeve.
Use shims between the wall and the wall sleeve to prevent
wall sleeve distortion during anchoring.
4. Caulk the wall sleeve to the wall opening on both the
inside and outside perimeter. This can be done from the
inside of the building. Be careful not to plug the weep
holes.
(406mm)
3"
(76mm)
Min .
16"
Optional
Subbase
101⁄2"
(267mm)
Max.
(25mm)
(1069mm)
1"
42"
Optional
Top Angle
Y*
Turndown
Flange
(See Detail)
Wall
Sleeve
Outside
Edge of
Sleeve
133⁄4"
(349mm)
11⁄4" (38mm)
Fininish Floor
Including Carpet
Turndown
Flange
16"
(406mm)
37⁄8" (98mm)
Min.
Optional
Top Angel
Wall Sleeve
B**
Support
By Others
(2 Req’d).
Caulk
C**
Outside
Louver
Notes:
** See Figure 2, page 3, for dimensions “B” and “C”.
* Dimension “Y” is field determined or specified. Angle is factory welded at
given dimension when option is designated.
IM 422-4 / Page 4 (Rev 5/99)
Wall Sleeve Installation — Thin Wall Construction
Applications utilizing field supplied louvers require additional
considerations:
1. Louvers supplied by others must have 70% free area or a
pressure drop not exceeding 0.05 in. w.g. (12.45 Pa) at
300 fpm (1.524 m/sec) face velocity, and a blade design
that will not cause recirculation of air.
2. McQuay does not warrant the rain and water leakage
resistance of its equipment when used with louvers by
others.
3. All louvers by others must be approved by the manufacturer prior to installation.
Figure 4 illustrates a typical installation using a field
supplied, continuous louver. This method is for illustration
purposes only. Other variations may be employed as long as
they meet manufacturer’s louver specifications listed above
and so long as adequate wall support is achieved. All structural supports and fasteners (except the optional top angle
and turned down flange) are field supplied.
Installation of wall sleeves with continuous louvers is very
similar to that of applications with factory furnished louvers.
Assuming the louver meets the manufacturer’s criteria, as
stated previously, proceed to install the wall sleeve as follows:
Figure 4. Wall sleeve installation using top angles and field supplied continuous louver
1. Clean the opening of all debris that may interfere
with installation.
2. Position the wall sleeve into the wall so that it is flush with
the exterior wall. Important: If the wall sleeve has been
installed into a thick wall, make certain the wall sleeve
protrudes into the room a minimum of 1
the finished wall surface. This is to accommodate the heat
section and room cabinet. The center of gravity is 10
(273mm) from the rear face of the standard wall sleeve. If
no subbase is being employed, adequate support for the
wall sleeve up to the center of gravity must be provided at
the job site. This support can be wood, metal or concrete.
3. Level wall sleeve in all directions and anchor with appropriate fasteners using holes provided (see Figure 14, page
8), or drill additional holes as required to secure firmly.
Caution: Do not drill holes in the base of the wall sleeve.
Use shims between the wall and the wall sleeve to prevent
wall sleeve distortion during anchoring.
4. Caulk the wall sleeve to the wall opening on both the inside
and outside perimeter. This can be done from the inside of
the building. Be careful not to plug the weep holes.
1
⁄8" (29mm) beyond
3
⁄4"
(406mm)
3"
(76mm)
Min.
16"
Optional
Subbase
101⁄2"
(267mm)
Max.
(25mm)
1"
42"
(1069mm)
Optional
Top Angle
Y*
Turndown
Flange
(See Detail)
Wall
Sleeve
Outside Edge
of Sleeve
Finished Floor
Including Carpet
133⁄4"
(349mm)
(38mm)
11⁄4"
16"
(406mm)
Min. 37⁄8"
(98mm)
Insulated
Panel
Optional
Top Angle
Wall Sleeve
Supports By Others
(2 Req’d.)
Sleeve
Outside Louver
By Others
Turndown
Flange
Wall
Wall
Frame
By Others
Resilient
Caulking
Resilient
Caulking
Notes:
1. Caulk entire perimeter of wall sleeve after installation.
2. Seal area between louver and wall sleeve to prevent condenser air recirculation.
3. Dimensions shown in table on page 3 do not apply to this
application.
*Dimension “Y” is field determined or specified. Angle is factory
welded at given dimension when option is designated.
Insulated
Panel
IM 422-4 / Page 5 (Rev. 5/99)
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