Friedrich WallMaster PTAC User manual

920-087-02 (9-03)

WallMaster® PTAC

Packaged Terminal Air Conditioners & Heat Pumps

• Standard

• Remote Thermostat

• Seacoast Protected

Installation & Operation Manual

920-087-02 (9-03)

Unit Components.........................................................................................................................................................................................2

P-Series Announcement/Model Number Code............................................................................................................................................3

Installation Recommendations....................................................................................................................................................................4

Drain Kit Installation................................................................................................................................................................................5-6

Wall Sleeve Installation............................................................................................................................................................................ 7-8

Deep Wall Installation..................................................................................................................................................................................9

Standard Grille Installation........................................................................................................................................................................10

Installation Checklist .................................................................................................................................................................................11

Electrical Rating Tables..............................................................................................................................................................................11

Chassis Installation ............................................................................................................................................................................. 12-13

Standard Unit Operations ..........................................................................................................................................................................14

Temperature Limiting Thermostat ..............................................................................................................................................................14

Heating Control (Heat Pumps & Emergency Heat)..................................................................................................................................... 15

Fan Cycle Switch....................................................................................................................................................................................... 15

Fresh Air Vent Control................................................................................................................................................................................ 15

Air Discharge Grille ....................................................................................................................................................................................16

Start-up Checklist......................................................................................................................................................................................16

Appendix A: Remote Thermostat Wiring ...............................................................................................................................................17-18

Appendix B: Electrical Wiring for 265 V Models........................................................................................................................................ 19

Routine Maintenance................................................................................................................................................................................ 20

Basic Troubleshooting Techniques .............................................................................................................................................................21

Accessories .........................................................................................................................................................................................22-23

Warranty ................................................................................................................................................................................................... 24

Table of Contents

Typical Unit Components

Front cover

Chassis

Wall sleeve

Outdoor grille

920-087-02 (9-03)

Announcing the Friedrich P-Series Packaged Terminal Air Conditioner.

A new approach to reliability and efciency. A totally redesigned Friedrich PTAC.

Thank you for your decision to purchase the newly designed Friedrich Packaged Terminal Air Conditioner

(PTAC). We are condent that you will nd this unit a quiet and efcient example of Friedrich reliability.

This Installation and Operation Manual has been designed to insure maximum satisfaction in the performance

of your unit. For years of trouble-free service, please follow the installation instructions closely. We cannot

overemphasize the importance of proper installation. We have added new information to the basic instructions

to help you achieve success.

Remember, proper installation is not difcult but it is essential.

Model Number Code

P H 07 K 3 S A 1

Series

P = P series

System

X= Accessory

E= Cooling with or

without electric heat

H =Heat Pump with

Auxiliary Heat

Nominal Cooling Capacity

07 = 7,000 Btuh

09 = 9,000 Btuh

12 = 12,000 Btuh

15 = 15,000 Btuh

Engineering Digit

Design Series

Options

S = Standard

R = Remote Thermostat

C = Seacoast Protection

X = Remote Thermostat and

Seacoast Protection

Nominal Heater Size

(@ 230V or 265V)

0 = No Heater

2 = 2.5 KW

3 = 3.4 KW

5 = 5.0 KW

Voltage

K = 230/208V - 1 Ph. - 60 Hz.

R = 265V - 1 Ph. - 60 Hz.

Please read this manual thoroughly prior to equipment installation or operation. It is the installer’s responsibility

to properly apply and install the equipment. Installation must be in conformance with the NFPA 70-2002

National Electric Code or current edition and Universal Mechanical Code current edition and applicable local

or national codes.

920-087-02 (9-03)

PTAC Installation Recommendations

For proper PTAC unit performance and maximum operating life please refer to the minimum installation clearances below:

The above suggestions are for reference only and do not represent all possible installations. Please contact the factory

for information regarding affects of other installation arrangements. By following these simple recommendations you

can be condent that your Friedrich PTAC will provide years of worry free operation.

PTAC

SHRUB

POLE

FENCE OR WALL

PTAC PTAC

TYP. BUILDING ( PLAN VIEW )

CONDENSING UNIT

12"

36"

36" MIMUMUM, MAJOR

OBSTRUCTIONS

12" MINIMUM, MINOR

OBSTRUCTIONS

Figure 2

PTAC units should be installed

no closer than 12" apart when

two units are side by side. If

three of more PTAC units are to

operate next to one another allow

a minimum of 36" between units.

Also, a vertical clearance of 60"

should be maintained between

units installed.

Figure 1

BETWEEN PTACs

THREE OR MORE PTACs

BUILDING ELEVATION

ADJACENT 36" MINIMUM

6" MINIMUM FROM GRADE

GROUND FLOOR PTACs

TWO ADJACENT

PTACs 12" MINIMUM

WINDOW

TYP.

VIEW: OUTSIDE

60" VERTICAL MIMUMUM

12" 6"

36"

60"

For PTACs on the ground oor or anytime obstructions are present, use the following guidelines:

• For minor obstructions

such as lamp poles or small

shrubbery a clearance of

12" from the outdoor louver

should be maintained.

• For major obstructions such

as a solid fence, wall or

other heat rejecting device

like a condensing unit, a

minimum distance of 36"

should be kept.

920-087-02 (9-03)

Installation Instructions PXDR10 Drain Kit

Internal Drain (optional for new construction)

NOTE: If installing an internal drain, you MUST install a drain kit on

the wall sleeve before the wall sleeve is installed.

1. Refer to Figure 3 below and locate the drain within the

"Primary" area for best drainage. Maintain at least a 1/2"

clearance from the embossed area.

2. Using the mounting plate with the 1/2" hole as a template,

mark and drill two, 3/16" mounting holes and a 1/2" drain

hole.

3. Remove the backing from the gasket and mount it on the at

side of the mounting plate. (See Figure 4.) Insert the drain

tube through the hole in the gasket and mounting plate so

the tube ange will be against the wall sleeve.

4. Position the assembly beneath the drilled holes and secure

it with #10-24 x 1/2" machine screws and lock nuts provided.

Seal the tops of the screws with silicone caulking.

5. Use 1/2" I.D. copper tube, PVC pipe, or vinyl hose (obtained

locally) to connect the internal drain tube to the drain system

in the building.

6. Referring to Detail A on page 6, locate and assemble the

(2) two cover plates and gaskets over the drain holes at the

rear of the wall sleeve. Attach them with the #10 sheet metal

screws provided. Make certain that the four overow slots at

the rear of the wall sleeve are not blocked (See drawing of

the back of the sleeve on page 6).

7. If a deep wall extension (PXWE) is used, after installing the

eld supplied ashing, caulk as required. Be sure to caulk

around the ashing and the wall sleeve where the hole was

drilled for the drain tube.

7.6 cm

Secondary area

Primary area - no foam insulation

If the drain must be located in the

secondary area, the foam insulation

must be cut away and removed to

allow access to the drain.

Screw

Wall sleeve

Gasket

Mounting plate

Nut

Drain tube

Drain Kit Location and Installation

Figure 3

NOTE: Determine whether drain will be located within the wall, on the indoor side, or will drain to the exterior of the building. Follow

appropriate instructions below depending on your particular type of installation.

920-087-02 (9-03)

External Drain (for new construction or unit replacement)

When using an external drain system, the condensate is removed through either of two drain holes on the back of the wall sleeve. Select

the drain hole which best meets your drainage situation and install the drain kit. Seal off the other with a cover plate.

Drain Kit Installation

Figure 4

Foam gasket

Mounting plate

Foam gasket

Mounting plate

1/2" O.D. tube

#10 sheet metal screws

NOTES:

The large ange on the mounting plate is positioned at the bottom of the sleeve facing toward the sleeve. The drain tube must be rotated to a horizontal

position to allow for the wall sleeve to be installed into the wall. Once the wall sleeve is installed, return the drain tube to a downward angle.

Drain Tube Installation

1. Peel the backing tape off the gaskets and apply the sticky

side to one cover plate and one mounting plate as shown

in Details A and B.

2. Place the drain tube through the gasket and the mounting

plate with the ange toward the wall sleeve.

3. Attach the drain tube assembly to one of the two drain

holes at the rear of the wall sleeve. The large ange on

the mounting plate is positioned at the bottom of the sleeve

facing toward the sleeve, Detail B. When the drain tube is

positioned at the desired angle, tighten the screws.

NOTE: If the wall sleeve has not been installed, the drain tube must

be rotated to a horizontal position until after the sleeve

is installed. Tighten the mounting plate screws when the

tube is in the proper position. Make certain that the four

overow slots at the rear of the wall sleeve are not blocked.

(See the drawing below.)

Cover Plate Installation

4. Mount the foam gasket to the cover plate. Using two #10 x

1/2" sheet metal screws (provided), attach the cover plate

to the remaining drain hole. Make certain the large ange

on the plate is positioned at the bottom of the sleeve.

5. Discard the additional cover plate, gasket, machine screws,

and locknuts.

PXDR1O

QUANTITY

DESCRIPTION

COVER PLATES

MOUNTING PLATE

DRAIN TUBE

MOUNTING PLATE GASKETS

#10 X 1/2" MOUNTING SCREWS

10-24 X 1/2" MACH. SCREWS

LOCKNUTS

DETAIL A

DETAIL B

920-087-02 (9-03)

Wall Sleeve Installation Instructions (PXWS)

NOTE: Insure that the unit is only installed in a wall structurally adequate to support the unit including the sleeve, chassis and accessories.

If the sleeve projects more than 8" into the room, a subbase or other means of support MUST be used. Please read these instructions

completely before attempting installation.

For Deep Wall Installation See Section II

The following instructions apply ONLY to walls less than

13 1/4" in depth.

1. From inside the building, position the wall sleeve in the opening

and push it through the wall so it protrudes at least 1/4" on the

outside, note Figure 5.

2. Position the wall sleeve with a slight tilt towards the outside to

facilitate condensate drainage. It should be level side-to-side

and the front should be 1/4 bubble higher than the back. DO

NOT allow any pitch toward the inside.

Electrical shock hazard.

Turn electric power OFF at the fuse box or service panel

before making any electrical connections and ensure a

proper ground connection is made before connecting line

voltage. Failure to do so can result in property damage,

personal injury and/or death.

Typical Wall Sleeve Installation

Figure 5

42"

(107.3 cm) min.

50" (127 cm) min.

10"

(25.4 cm)

max.

16 "

(41.3 cm)

13

(34.9 cm)

Lintel to support masonry walls

Electrical receptacle

Wall opening Wall sleeve Insulation Smooth side of screw

clip facing into room

Electrical receptacle

Insulation

920-087-02 (9-03)

3. Drill two 3/16" holes through each side of the sleeve

approximately 4" from top and 4" from bottom of sleeve. Screw

four #10 x 1" screws (included) or appropriate fasteners for your

installation, through the holes in the sides of the wall sleeve.

4. Apply sealant around the wall sleeve where it projects through

the inside and outside wall surfaces. Apply the sealant to the

screw heads or the tops of the fasteners used in Step #3.

NOTE: When sealing the sleeve on the outside of the building,

be careful NOT to let the sealant block the two condensate

drain holes or the four overow slots at the bottom ange of

the sleeve.

Lintel Installation

Figure 7

NOTE: Construct wall opening to comply with all applicable

building codes.

Main studs

Jack studs

Main studs

Jack studs

Lintel

Mounting screw holes

No holes in bottom of wall

sleeve unless drain kit is used

5. If the chassis and exterior grille are to be installed later, leave the

weatherboard and center support in place, otherwise remove

and dispose of them.

6. Provide a support lintel if the wall sleeve is installed in a concrete

or masonry wall. (See Figure 7.)

13 "

(35 cm)

"

(6.4 cm)

min.

Wall

Dimensions

Figure 6

Dimension*

Allow

for wall

nishing

Allow for oor nishing

(Minimum) Min. Max

No Accessories "

(6.4 mm)*

"

(6.4 mm) ---

With Subbase 1"

(4.5 cm)

3"

(8.9cm)

(12.7cm)

With Lateral Duct "

(1.9 cm)

"

(6.4 mm) ---

* If more than one accessory is to be used, use the maximum

dimension. If the wall thickness is more than 13" (35cm) -

(A + " [6.4 mm]), a sleeve extension must be used.

920-087-02 (9-03)

If the wall is thicker than allowed in the notes in Figure 6, a sheet

metal wall sleeve extension and ashing MUST be used.

Installation Instructions for the PXWE – 4" Wall Sleeve

Extension

The following points MUST be considered when installing a wall

sleeve extension:

1 Provision must be made to direct excess condensate from

the back of the wall sleeve into the extension then outside

the building or to a drainage system.

2. Air bafes must be mounted to properly direct air ow to and

from the condenser.

3. The wall sleeve extension design must allow for the proper

mounting of the grille.

4. Caulking is required at all sites where condensate or external

water could potentially inltrate into the building.

5. Fabricate and install metal ashing in wall to serve as a drip

panel. Refer to drawing for more information.

6. Condensate notches and overow slots must be kept clear

of sealant and gaskets so condensate can ow freely into the

wall sleeve extension.

NOTE: Improper fabrication or installation of a wall sleeve extension

will impair PTAC performance.

Extension Installation

Secure the wall sleeve extension to the wall sleeve before installing

it in the wall. Refer to Figure 8 for a guide for fabrication of a

condensate drip panel. The panel MUST extend the full depth of

the wall sleeve and the wall sleeve extension.

Pay particular care in sealing and caulking the panel where it makes

contact with the wall sleeve (see Figure 8). After installation in the

wall, secure with fasteners through the sides. Use a good grade

of silicone sealant around the sleeve extension. Seal all exposed

screw heads. When the installation is complete, the outside grille

should be attached to the wall sleeve extension.

Section II — Deep Wall Installation (PXWE)

Wall Sleeve Extension Sealant Locations

IMPORTANT NOTE: The silicone bead MUST extend 3"

up the side of the two anges to prevent condensate

from leaking.

Wall Sleeve Extension, 42" X 16" Frame, 20 gauge minimum, painted or aluminium

Outside Edge

Insulation

Wall Sleeve

Air Bafes

Condensate

Notches (4)

Condensate

Drip Panel

(Field

Supplied)

Sealant inside (4) bottom corners

Drip

Edge

Width of Wall

Figure 8

PXWE Wall Sleeve

Extension

920-087-02 (9-03)

Plastic handles Plastic

grommets

1. Remove the center support and weatherboard if still installed

in the sleeve.

2. Insert six plastic grommets into the grille openings from the

outside of the grille as shown in Figure 9.

3. Insert two #8 x 3/8" sheet metal screws (provided) in the top

two outside edge plastic grommets, and tighten them half way

into the grommets.

4. CAUTION: Bodily injury can be caused by grilles falling from

a building during installation. It is recommended that a safety

line be attached to the grille and an anchor point inside the

building during installation.

Installation Instructions Model PXGA Standard Grille

5. Grasp the grille by the attached plastic handles. Position it with

the condensate drain knockouts facing down. From inside the

building, maneuver the grille through the wall sleeve and pull

toward you until the screw heads are inserted into the keyhole

slots at the top of the wall sleeve. Tighten the two screws

completely.

6. Insert the remaining screws into the remaining holes and

tighten securely.

Figure 9

Description

Stamped Aluminum Grille

Plastic Grommets

#8 x 3/8" Sheet Metal Screws

Quantity

PXGA

Standard Grille

Figure 9

Wall sleeve

Weatherboard

Center support

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