Friedrich VHA24K25, VHA24K34, VHA24K50, VHA24K75, VEA24K25 Installation and Operation Manual
...
INSTALLATION &
OPERATION GUIDE
920-159-04 (05-08)
VERT-I-PAK®A-SERIES
SINGLE PACKAGE
VERTICAL AIR
CONDITIONING SYSTEM
24,000 BTU/h
920-159-04
Table of Contents
Your Safety and the safety of others ............................................................................................................................... 3
Installation Recommendations .................................................................................................................................... 4
General Specifications
Model Number Identification Guide ................................................................................................................................. 5
VERT-I-PAK Chassis Specifications................................................................................................................................ 5
Electrical Data .............................................................................................................................................................. 5-6
Installation
Utility Closet Dimensions................................................................................................................................................. 7
Wall Plenum & Architectural Louver Installation .............................................................................................................. 8
Drain Pan Installation ...................................................................................................................................................... 9
Condensate Disposal System ......................................................................................................................................... 9
Indoor Return Air Grille Installation.................................................................................................................................. 9
Indoor Airflow Data ........................................................................................................................................................ 10
Chassis Installation ....................................................................................................................................................... 10
Remote Thermostat Operation
Remote Thermostat....................................................................................................................................................... 11
Thermostat Connections ............................................................................................................................................... 11
Desk Control Terminals ................................................................................................................................................. 11
Auxiliary Fan Control ..................................................................................................................................................... 11
Electrical and Thermostat Wiring Diagrams .................................................................................................................. 12
Chassis Final Connection
Final Installation checklist.............................................................................................................................................. 13
Chassis Operation
Fresh Air Door ............................................................................................................................................................... 13
Low Ambient Protection................................................................................................................................................. 13
Room Freeze Protection ............................................................................................................................................... 13
Emergency Heat Override............................................................................................................................................. 13
Emergency Heat Operation........................................................................................................................................... 13
Service
Servicing/Chassis Quick Changeouts ........................................................................................................................... 14
Routine Maintenance .................................................................................................................................................... 14
Error Codes ................................................................................................................................................................... 15
Factory Dipswitch Configuration.................................................................................................................................... 15
Accessories ................................................................................................................................................................... 16
Warranty....................................................................................................................................................................... 17
2
920-59-04
Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all
safety messages.
This is a safety Alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol with the word “WARNING”
or “CAUTION”. These words mean:
WARNING
CAUTION
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you
what will happen if the instructions are not followed.
NOTICE
You can be killed or seriously injured if you do not
follow instructions.
You can receive minor or moderate injury if you do not
follow instructions.
A message to alert you of potential property damage will have the word “NOTICE”.
Potential property damage can occur if instructions are not followed.
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 current edition, Universal
Mechanical Code current edition and applicable local or national codes.
Proper installation is not difficult, but it is essential.
3
920-159-04
Vert-I-Pak Installation Recommendations
For proper unit performance and maximum operating life please refer to the minimum installation clearances
below.
Figure 1
VERT-I-PAK®units must be installed on an outside wall. Confined spaces and/or covered areas should be
avoided. Units should be installed no closer than 12" apart when two units are side by side. If three or more
units are to operate next to one another allow a minimum of 60" between units or pairs of units. Also, a vertical
clearance of 60" should be maintained between units. Units installed on the bottom floor should be mounted at
least 6" off of the ground.
6"
SMALL RECESS OK
60"
60"
60"
6"
60" 60"
60"
60"
6"
B
A
LARGER RECESS OK. IF A> 5xB
60"
60"
60"60"
12"
Figure 2
BUILDING
24"60"
KAPVKAPVKAPV
24"
POLE
12"
SHRUB
-
OUTDOOR
CONDENSING
UNIT
MAJOR OBSTRUCTION
®
72"
FENCE
4
920-159-04
Vert-I-Pak
SERIES
DESIGN SERIES
NOMINAL CAPACITY
V O LTA G E
Vert-I-Pak
®
®
HTR43K90AEVREBMUNLEDOM
ENGINEERING CODE
OPTIONS
ELECTRIC HEATER SIZE
25 = 2.5 KW
34 = 3.4 KW
50 = 5.0 KW*
75 = 7.5 KW**
** 24000 BTU only.
R-22
23.125
23.125
47.25
Electrical Data
MODEL
VHA/VEA24K25 VHA/VEA24K34 VHA/VEA24K50 VHA/VEA24K75
68 68 68 68
5
920-159-04
Electrical Requirements
Wire Size ONLY
ONLY
Unit MUST
All 208/230v chassis must be hard wired with properly sized breaker. See namplate for specific chassis electrical
requirements. See figure 9 (Page 12) for unit wiring and wall thermostat wiring. See Electrical Rating Table below for wire size.
Use HACR type breakers to avoid nuisance trips. All field wiring must be done in accordance with NEC and local codes.
Electrical Rating Tables
Sample Nameplate
41A51
21A02
01A03
SAMPLE
WARNING
Electrical Shock Hazard
Turn OFF electric power before service or installation.
Unit must be properly grounded.
Unit must have correct fuse or circuit breaker protection.
Unit’s supply circuit must have the correct wire conductor size.
All electrical connections and wiring must be installed by a qualified
electrician and conform to the National Electrical Code and all local
codes which have jurisdiction.
6
Failure to do so can result in property damage, personal injury and/or death.
920-159-04
Installation
Utility Closet Dimensions
Recommended utility closet dimensions and a typical indoor installation are illustrated in Figure 3. Three inches minimum clearance
on three sides of the unit must be allowed for return airflow, installation access and service access. See figures 3 & 4 for clearances
and reference dimensions.
Figure 3
Typical Utility Closet
Chassis Shown in Closet, on Optional Platform
Field-supplied
Filter (25" x 20")
29"
VPRG4 Access Panel &
Return Air Filter Grille
58"
Pow e r
Disconnect
Optional field
installed drain pan
(refer to local codes)
Optional Platform
3" Clearance on all
three sides minimum for
service and installation
Rigid Ductwork
Chassis is
shipped with
vibration
isolators
installed
Exterior Wall
Flexible Ductwork
VPAWP1-8/1-14 Wall Plenum
Plenum
VPDP1 drain pan beneath
unit is required on all
VEA/VHA24 units. Drain
pan must be installed prior
to chassis installation
Vert-I-Pak Chassis 2-ton dimensions:
23 1/8" wide x 23 1/8" deep x 47 1/4" high.
NOTICE: Drain pan must be installed in closet prior
to chassis insertion into plenum. See Figure 6 (Page 9)
for drain pan installation details.
Figure 4
control box
Top View
electrical
entrance
7
920-159-04
Wall Plenum and Architectural Louver Installation
NOTICE
STRUCTURAL LOADS. PROPER WALL HEADER CONSTRUCTION IS REQUIRED. THE PLENUM REQUIRES
PROPER FLASHING, SHIM AND CAULK FOR A WEATHER RESISTANT INSTALLATION.
Figure 5
IMPORTANT REMINDER: FRIEDRICH WALL PLENUM IS NOT DESIGNED TO CARRY
Wall Plenum & Outdoor Louver Installation
8
920-159-04
Drain Pan Installation
Drain Connection
and Location
NOTICE
THE ACCESSORY DRAIN PAN (VPDP1) MUST BE
INSTALLED BEFORE INSTALLING THE UNIT.
Condensate Disposal System
Figure 6
Indoor Return Air Grille Installation
There are two Indoor Return Air Grille options as shown in Figure 7.
Choose the option that best suits your needs. Use the installation
instructions provided with accessories for installation details.
Figure 7
Return Air Grille Options
Option 1
VPRG4 Return Air Grille
with Access Panel
A field-supplied (25" x 20")
filter is mounted inside the
hinged access door.
Kit contains hinge bracket
for mounting the door with
the return air openings high
or low on the door for optimal
sound attenuation. For 9,000 /
12,000 / 18,000 Btu models, it
is recommended to install the
door with the hinge on the right
side and the return air openings high
on the door. For 24,000 Btu models, it is recommended
to install the hinge on the left side with the return air
-
openings low on the door.
Part 1:
Part 2:
NOTICE
directly into the wall plenum to the outside of the building.
IF THIS OCCURS, THIS IS A WARNING THAT THE
CHASSIS OR DRAIN NEEDS SERVICING.
If Parts 1 & 2 fail for any reason, excess
condensate overflows from a spillway
Option 2
Field Supplied
Return Air Grille
9
920-159-04
Chassis Installation
The Vert-I-Pak A series units must be installed with a free
return air configuration. The table below lists the indoor
airflow at corresponding static pressures. All units are rarted
at low speed.
The Vert-I-Pak units are designed for either single speed or
two fan speed operation. For single speed operation refer to
the airflow table below and select the most appropriate CFM
based on the ESP level. Connect the fan output from the
thermostat to the unit on either the GL terminal for low speed
or to the GH terminal for high speed operation.
For thermostats with two-speed fan outputs connect the low
speed output to the unit GL terminal and the high speed
output to the GH terminal.
Model
VEA24/VHA24
ESP (") Low High
.00" 690 740
.10" 610 700
.20" 560 640
.30" 510 580
.40" 450 520
Highlighted values indicate rated performance point.
For single speed thermostats connect to the GL terminal for Low
speed or GH terminal for High speed. Two speed control
thermostats will use both.
NOTE: Prior to installing the chassis, ensure that the drain
pan and line are free from debris.
A. Ensure that the wall plenum is installed in accordance
with the VPAWP1-8/1-14 Installation Manual.
B. Ensure that the VPDP1 drain pan is installed correctly
(see page 9). Using the 3/4" plugs supplied with the
pan, plug the unused condensate drain hole. Connect a
drain to the condensate exit location. Be sure to use
teflon tape or approved pipe sealant on all drain
connections and plugs (see page 9).
C. Place the chassis into the closet with the outdoor side
facing the wall plenum opening.
D. Slide the chassis into the wall plenum until the plenum
divider seal is established and the factory-installed
chassis to plenum gasket has sealed to
the top flange of
the plenum. (See Figure 8)
Figure 8
Slide-in View / Chassis Installation
23/
8
The Vert-I-Pak chassis must be inserted into the wall plenum so that the plenum divider gasket makes
contact with the condenser baffel in the unit.The chassis will fit approximately 2 3/8” into the wall plenum.
NOTE: Prior to installing the chassis, ensure that the drain pan and line arefree from debris.
Chassis to
plenum gasket
10
920-159-04
Remote Thermostat and Low Voltage Control Connections
Remote Thermostat
All Friedrich Vert-I-Pak units are factory configured to be controlled by using a single stage remote wall mounted thermostat.
The thermostat may be auto or manual changeover as long as
the control configuration matches that of the Vert-I-Pak unit.
To control the unit with a wall-mounted thermostat:
1) Pull the disconnect switch.
2) Unscrew and remove the control box panel.
3) After selecting which side you want to run your thermostat
wire through, run the wires through the side hole in the box
to reach the connection terminal for the wiring.
4) Make the wire connections, appropriately matching the
wires as shown in the wiring diagram.
5) Once each wire is matched and connected, the unit is now
controlled by the thermostat.
6) Reattach the control box cover.
Unit Control Panel (for easy servicing and diagnostics)
Cool
High fan
Temp
Temp
Fan only
Heat
Low fan
Power
Thermostat Connections
C = Common Ground
W = Call for Heating
Y = Call for Cooling
R = 24V Power from Unit
GL = Call for Fan (Low Speed)
GH = Call for Fan (High Speed)
B = Reversing Valve Energized in heating mode
Auxiliary Fan Control
The Smart Center also has the ability to control a 24VAC
relay to activate an auxiliary, or transfer, fan. The outputs
are listed as F1 and F2 on the control board.
To connect the relay, simply wire one side of the relay to
F1 and the other side to F2. Anytime that the fan runs, the
terminals will send a 24VAC signal to the relay. The relay
must be 24 VAC, 50mA or less.
Note: The relay and auxiliary fans must be field supplied.
NOTE: It is the installer’s responsibility to ensure that all
control wiring connections are made in accordance with
the installation instructions. Improper connection of the
thermostat control wiring and/or tampering with the unit’s
internal wiring can void the equipment warranty and may
result in property damage, personal injury or death. Other
manufacturer’s units and even older Friedrich models
may have different control wiring connections. Questions
concerning proper connections to the unit should be
directed to the factory.
Desk Control Terminals
The Friedrich VERT-I-PAK has built-in provisions for
connection to an external switch to control power to the unit.
The switch can be a central desk control system or even a
normally open door switch.
For desk control operation, connect one side of the switch to
the D1 terminal and the other to the D2 terminal (See figure 9).
Whenever the switch closes, the unit operation will stop.
Maximum Wire Length for Desk Control Switch
Wire Size Maximum Length
#24 400 ft.
#22 600 ft.
#20 900 ft.
#18 1500 ft.
#16 2000 ft.
Note: The desk
control system and
switches must be
field supplied.
Cool Off Heat
RT4 (One speed fan)
RT5 (Two speed fan)
Auto On
11
Figure 9
Electrical & Thermostat Wiring Diagrams
920-159-04
NOTE: THE DIAGRAM ABOVE, ILLUSTRATES THE TYPICAL THERMOSTAT WIRING FOR TWO SPEED
FAN OPERATION. SEE THE UNIT CONTROL PANEL FOR THE ACTUAL UNIT WIRING DIAGRAM
AND SCHEMATIC.
12
920-159-04
With the chassis in place, you are now ready to begin chassis
connections:
A. Move the thermostat switches to "OFF" and "AUTO". This
will keep the thermostat from cycling the chassis until final
connections are complete.
B. Connect the duct work onto the 10" collar. Plastic wire ties
(field supplied) are suggested to secure the duct work in
place. Use 2 wire ties, one for each inner and outer flex
duct sleeve.
C. Review the Final Installation Checklist before replacing
the power quick disconnect, reconnecting power to the
chassis, plugging the remote thermostat harness, or
operating the chassis.
Final Installation ChecklistChassis Final Connections
Chassis Operation
Fresh Air Door
The Fresh Air Door is an "intake" system. The fresh air door is
opened via a slide on the front of the chassis located just above
the indoor coil. Move the slide left to open and right to close the
fresh air door. The system is capable of up to 80 CFM of fresh
air @ ~.3" H20 Internal static pressure.
Low Ambient Protection
Room Freeze Protection
‘ON’
Emergency Heat Override
‘ON’.
Emergency Heat Operation
-
13
920-159-04
Service & Warranty
Servicing / Chassis Quick Changeouts
.
WARNING
Electrical Shock Hazard
Pull out unit’s disconnect on front of the chassis
and turn off all power to unit before servicing.
Failure to do so can result in property damage,
personal injury and/or death.
Routine Maintenance
Performing Routine Maintenance
With the proper maintenance and care, your system will
operate ecomomically and dependably. Maintenance can be
accomplished easily by referring to the following directions.
However, before performing any maintenance, see above
stated WARNING.
To Remove the Chassis from the Closet:
A. Switch the wall Thermostat off.
B. Pull the Power Disconnect located in the front of the chassis.
C. Disconnect the power coming into the unit from the main
breaker panel or the closet mounted disconnect.
D. Disconnect the electrical connection.
E. Disconnect the duct work.
F. Slide the chassis out of the wall plenum.
G. Lift the chassis out of the utility closet.
Inspect and Clean Indoor-air Coil
CAUTION
Cut/Sever
Although great care has been
taken to minimize sharpe edges
in the construction of your unit,
use gloves or other hand
protection when handling unit.
Failure to do so can result in minor
to moderate personal injury.
Replace Air Filter
NOTICE
the unit return air opening.
Do not operate your system without
a filter in place, nor block the front of
Inspect Outdoor-air Intake and Exhaust
Inspect and Clean Condensate Drain
Warranty
14
Error Codes
920-159-04
Error
Code
Code Translation Action Taken by Unit Possible Cause
-
12345678
O
N
15
Accessories
920-159-04
OTOHP NOITPIRCSED LEDOM
VPAWP1-8
VPAWP1-14
VPAL2
VPSC2
RT4
WALL PL EN UM
1
2
3
8
1
8
7
8
5
8
ARCHITECTURAL LOUVER
1
16
DIGITAL REMOTE WALL THERMOSTAT
9
16
Single stage
thermostat, used on VERT-I-PAK units. Hard wired with single
speed fan. Direct replacement for RT2.
16
RT5
VPRG4
VPDP1
DIGITAL REMOTE WALL THERMOSTAT
Single stage
thermostat. Features high/low fan speed switch. Thermostat
is hard wired and can be battery powered or unit powered.
Features backlit display and multiple configured modes.
ACCESS PANEL / RETURN AIR GRILLE –
Serves as an access
panel to chassis and interior return air grille. A field-supplied
(25" x 20") filter is mounted inside the hinged access door.
Kit contains hinge bracket for mounting the door with the return
air openings high or low on the door for optimal sound attenuation.
For 9,000 / 12,000 / 18,000 Btu models, it is recommended to
install the door with the hinge on the right side and the return air
openings high on the door. For 24,000 Btu models, it is
recommended to install the hinge on the left side with the return
air openings low on the door.
DIMENSIONS: 58" high x 29" wide.
3
COUTOUT DIMENSIONS: 55
/4" high x 27" wide.
DRAIN PAN
Friedrich Air Conditioning Company
P.O. Box 1540
San Antonio, TX 78295
210.357.4400
www.friedrich.com
VERT-I-PAK® A SERIES
SINGLE PACKAGE VERTICAL AIR CONDITIONERS
LIMITED WARRANTY
SAVE THIS CERTIFICATE.
province.
In the event that your unit needs servicing, contact your nearest authorized service center. If you do not know the nearest service center,
ask the company that installed your unit or contact us - see address and telephone number above. To obtain service and/or warranty parts
replacement, you must notify an authorized FRIEDRICH Air Conditioning Co. service center, distributor, dealer, or contractor of any defect
within the applicable warranty period.
When requesting service:
Unless specified otherwise herein,
FRIEDRICH VERT-I-PAK A SERIES VERTICAL AIR CONDITIONERS AND HEAT PUMPS
LIMITED WARRANTY - FIRST YEAR (Twelve (12) months from the date of installation).
or workmanship will be repaired or replaced free of charge by our authorized service center during the normal working hours; and
LIMITED WARRANTY - SECOND THROUGH FIFTH YEAR (Sixty (60) months from the date of installation). ON THE SEALED
REFRIGERATION SYSTEM.
replaced free of charge (excluding fr
system consists of the compressor, metering device, evaporator, condenser, reversing valve, check valve, and the interconnecting tubing.
These warranties apply only while the unit remains at the original site and only to units installed inside the continental United
States, Alaska, Hawaii, Puerto Rico and Canada. The warranty applies only if the unit is installed and operated in accordance with
the printed instructions and in compliance with applicable local installation and building codes and good trade practices
international warranty information, contact the Friedrich Air Conditioning Company - International Division.
Any defective part to be replaced must be made available to
presented to establish the date of install, otherwise the beginning date of this certificate will be considered to be our shipment date plus sixty
days. Replacement parts can be new or remanufactured. Replacement parts and labor are only warranted for any unused portion of the
unit’s warranty.
We will not be responsible for and the user will pay for:
1. Service calls to:
A) Instruct on unit operation. B) Repl
from its installed location when not accessible for service required. E) Correct improper installations.
It gives you specific rights, you may also have other rights which may vary from state to state and province to
please have the model
the following applies:
Any part of the sealed refrigeration system that is defective in material or workmanship will be repaired or
eight charges) by our authorized service center during normal working hours. The sealed refrigeration
and serial number from your unit readily available.
Any part found to be defective in the material
FRIEDRICH
ace house fuses or correct house wiring. C) Clean or replace air filters. D) Remove the unit
in exchange for the replacement part. Reasonable proof must be
.For
2. Parts or labor provided by anyone other than an authorized service center.
3. Damage caused by:
A) Accident, abuse, negligence, misuse, riot, fire, flood, or acts of God. B) Operating the unit where there is a corrosive atmosphere
containing chlorine, fluorine, or any damaging chemicals (other than in a normal residential environment). C) Unauthorized
alteration or repair of the unit, which
service.
We shall not be liable for any incidental, consequential, or special damages or expenses in connection with any use or failure of
this unit. We have not made and do not make any representation or warranty of fitness for a particular use or purpose and there
is no implied condition of fitness for a particular use or purpose. We make no expressed warranties except as stated in this
certificate. No one is authorized to change this certificate or to create for us any other obligation or liability in connection with
this unit. Any implied warranties shall last for one year after the original purchase date.
limitations on how long an implied warranty or condition lasts, so the above limitations or exclusions may not apply to you. The provisions of
this warranty are in addition to and not a modification of or subtraction from the statutory warranties and other rights and remedies provided
by law.
In case of any questions regarding the provisions of this warranty, the English version will govern.
E) Using an incorrect power source. F) Faulty installation or application of the unit.
in turn affects its stability or performance. D) Failing to provide proper maintenance and
Some states and provinces do not allow
Printed in the U.S.A.
(10-06)
920-159-04 (05-08)
Friedrich Air Conditioning Co.
Post Office Box 154äÊUÊ-an Antonio, Texas 78295-1540
4200 N. Pan Am ExpresswaÞÊUÊ-an Antonio, Texas 78218-5212
(210) 357-440äÊUÊFAX (210) 357-4480
www.friedrich.com
Printed in the U.-.A.
920-159-04 ( 05-08 )
Loading...