Page 2 - Table of Contents
1 Table of Contents 2-4 4 5 5 6 7 8 8 9 10-11 12 13 14 15 16 17 18 19-22 23 24 24 22-23 25 26 26 27 Important Safety Information ........................................... Introduction ......................................................................... Vert-I-Pak Model Number Identifi cation ...
Page 3 - IMPORTANT SAFETY INFORMATION; PERSONAL INJURY OR DEATH HAZARDS; Your safety and the safety of others are very important.; WARNING; NOTICE
IMPORTANT SAFETY INFORMATION The information contained in this manual is intended for use by a qualifi ed service technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this produc...
Page 4 - REFRIGERATION SYSTEM HAZARDS:
Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, • and sleeve on the room side of the air conditioning unit while cleaning. Electrical component malfunction caused by water could result in electric shock or other electrically • unsafe conditi...
Page 5 - PROPERTY DAMAGE HAZARDS; Connect to a properly grounded electrical circuit only.; WATER DAMAGE HAZARDS:; Safety Warnings; INTRODUCTION; IMPORTANT
4 PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: Read the Installation/Operation Manual for this air conditioning unit prior to operating. • Use air conditioner on a single dedicated circuit within the specifi ed amperage rating. • Connect to a properly grounded electrical circuit only. • Do not use e...
Page 6 - Model Identi; Sample Nameplate (see your chassis nameplate); SA; PRODUCT LINE; VPAK Serial Number Identification Guide; SERIAL NUMBER
ELECTRIC HEATER SIZEA-Series 00 = No electric heat 25 = 2.5 KW 34 = 3.4 KW 50 = 5.0 KW75 = 7.5 KW10 = 10 KW NOMINAL CAPACITYA-Series (Btu/h) 09 = 9,00012 = 12,00018 = 18,00024 = 24,000 L; MARKETING SUFFIX Indicates Modification (subject to change) B; ENGINEERING SUFFIX Indicates Modification (subjec...
Page 7 - ELECTRICAL REQUIREMENTS; Supply voltage; For VPAK Heat Pumps 9-18K; Electrical Data
Wire Size ELECTRICAL REQUIREMENTS Unit MUST Supply voltage For VPAK Cool with Electric Heat 9-18K ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or instal-lation. All electrical connnections and wiring MUST be installed by a qualified electrician and conform to the National Ele...
Page 8 - Chassis Specifi cations; For VPAK Cool with Electric Heat 24K
Chassis Specifi cations Model 2011 VEA09K VEA12K VEA18K VEA24K VHA09K VHA12K VHA18K VHA24K COOLING DATA COOLING BTUh 9400/9000 11500/11200 17000/16500 23000/22700 9200/9000 11500/11200 17000/16800 23000/22800 POWER (W) 959 1173 1888 2421 939 1186 1868 2527 1 . 9 / 1 . 9 1 . 9 / 1 . 9 7 . 9 / 7 . 9 8...
Page 10 - ELECTRONIC CONTROL BOARD FEATURES; Desk Control Ready; Auxiliary Fan Ready
ELECTRONIC CONTROL BOARD FEATURES The new Friedrich Vert-I-Pak has state of the art features to improve guest comfort and conserve energy. Through the use of specifi cally designed control software, Friedrich has accomplished what other Manufacturer’s have only attempted – a quiet, dependable, affor...
Page 11 - The; Heat Mode in Cool with Electric Heat Units; set point of the t-stat
The Note: Unit is operated by a wired remote wall t-stat which is connected to an electronic control boardat the VPAK unit. Heat Mode in Cool with Electric Heat Units Heat Pump With Electric Heat Operation If the Compressor is Locked Out on the 3 Minute Time Delay and Electric Heat is Available Cond...
Page 13 - Low Voltage Interface Connections; Remote Wall Thermostat
ELECTRIC SHOCK HAZARD WARNING Disconnect power to the unit before servicing. Failure to follow this warning could result in serious injury or death. Low Voltage Interface Connections All Vert-I-Pak units have a low voltage interface connector through which a Remote Wall Thermostat, Desk Control and ...
Page 14 - SERVICE; CAUTION; Ser vicing / Chassis Quick Changeouts; To Remove the Chassis from the Closet:; breaker panel or the closet mounted disconnect.; Remote Wall Thermostat Location
SERVICE CUT/SEVER HAZARD CAUTION Be careful with the sharp edges and corners. Wear protective clothing and gloves, etc. Failure to do so could result in minor to moderate injury. ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation. Extreme care must be used, if it be...
Page 15 - COMPONENTS IDENTIFICATION; Air Intake; Blower Wheel and; Right Side
VPAK 9-18K BTU UNITS COMPONENTS IDENTIFICATION 14 Air Intake Ground Front Side Blower Wheel and Heater in here 10” Duct Collar Right Side Left and Front Sides Left and Back Sides Condenser Heater Diagnostic Touch Pad Fresh Air Vent Evaporator Coil Condenser Coil Thermistor Evaporator Coil Thermistor...
Page 16 - Front Side
VPAK 24K BTU UNITS COMPONENTS IDENTIFICATION 15 Front Side Left and Back Sides Right Side Air Intake Condenser Air Discharge Condenser A ir Intake Pull Out Disconnect Diagnostic Touch Pad Compressor Contactor 10” Duct Collar Air Discharge Blower Wheel Electric Control Panel Return Air Filter Fresh A...
Page 17 - Error Codes and Alarm Status
16 Error Codes and Alarm Status Unit Control Panel The display shown below has four digits. The left two digits indicate the error code # ( 1 to 24 ), The On/Off icons above these two digits indicate the currents state of the error code. The right two digits show the history count (up to 99) of the ...
Page 18 - If the Diagnostic Service Module does not turn on:; Diagnostic Service Module
17 COMPONENTS TESTING Testing the Diagnostic Ser vice Module Testing the Electronic Control Board If the Diagnostic Service Module does not turn on: 1. Make sure there is 208/230 VAC to the unit and that it is turned on. 2. Disconnect the diagnostic service module’s wire harness on the control board...
Page 20 - BLOWER / FAN MOTOR TEST; CAPACITORS; Capacitor Check with Capacitor Analyzer
BLOWER / FAN MOTOR TEST BLOWER / FAN MOTOR A single phase permanent split capacitor motor is used to drive the evaporator blower and condenser fan. A self-resetting overload is located inside the motor to protect against high temperature and high amperage conditions. ELECTRIC SHOCK HAZARD WARNING Di...
Page 21 - DRAIN PAN VALVE; filter
DRAIN PAN VALVE During the cooling mode of operation, condensate which n a f r e s n e d n o c e h t y b p u d e k c i p s i n a p n i a r d e h t n i s t c e ll o cblade and sprayed onto the condenser coil. This assists in cooling the refrigerant plus evaporating the water. During the heating mode ...
Page 22 - Determining the Indoor CFM: Char t A – CFM
EXAMPLE: Air fl ow requirements are calculated as follows: (Having a wet coil creates additional resistance to air fl ow. This addit ional resistance must be taken into consideration to obtain accurate air fl ow information. External Static Pressure External Static Pressure can best be de fi ned as ...
Page 23 - fl; Char t B – Correction Multipli; ers
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 ...
Page 24 - REFRIGERATION SEQUENCE OF OPERATION; Refrigeration Assembly
A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of refrigeration system problems will be more diffi cult and time consuming, if not (in some cases) entirely impossible. The refrigera...
Page 25 - Refrigerant Charging; RISK OF ELECTRIC SHOCK; SEALED REFRIGERATION SYSTEM REPAIRS
Refrigerant Charging Proper refrigerant charge is essential to proper unit opera-tion. Operating a unit with an improper refrigerant charge will result in reduced performance (capacity) and/or effi ciency. Accordingly, the use of proper charging methods during ser-vicing will insure that the unit is...
Page 26 - BURN HAZARD; Method Of Charging / Repairs; HIGH PRESSURE HAZARD; Undercharged Refrigerant Systems
3. Install a process tube to sealed system. 4. Make necessary repairs to system. 5. Evacuate system to 200 microns or less. 6. Weigh in refrigerant with the property quantity of R-410A refrigerant. 7. Start unit, and verify performance. 8. Crimp the process tube and solder the end shut. Proper safet...
Page 28 - METERING DEVICE; Capillar y Tube Systems; Checking for restricted capillary tubes.; HERMETIC COMPONENTS CHECK; CHECK VALVE; CHECK VALVE OPERATION
METERING DEVICE Capillar y Tube Systems All units are equipped with capillary tube metering devices. Checking for restricted capillary tubes. 1. Connect pressure gauges to unit. 2. Start the unit in the cooling mode. If after a few minutes of operation the pressures are normal, the check valve and t...
Page 29 - REVERSING VALVE DESCRIPTION/OPERATION; TESTING THE COIL; CHECKING THE REVERSING VALVE
NOTE: System operating pressures must be near normal before valve can shift . REVERSING VALVE DESCRIPTION/OPERATION The Reversing Valve controls the direction of refrigerant fl ow to the indoor and outdoor coils. It consists of a pressure-operated, main valve and a pilot valve actuated by a solenoid...
Page 30 - Procedure For Changing Reversing Valve; FIRE HAZARD; Touch Test in Heating/Cooling Cycle
Reversing Valve in Heating Mode When sluggish or stuck in the mid-position, part of the discharge gas from the compressor is directed back to the suction side, resulting in excessively high suction pressure. Should the valve fail to shift from coooling to heating, block the air fl ow through the out...
Page 31 - EXPLOSION HAZARD; Single Phase Connections; Overloads; COMPRESSOR CHECKS; Checking the Overload
8. Pressurize sealed system with a combination of R-410A and nitrogen and check for leaks, using a suitable leakdetector. Recover refrigerant per EPA guidelines. 9. Once the sealed system is leak free, install solenoid coil on new valve and charge the sealed system by weighing in the proper amount a...
Page 32 - Single Phase Resistance Test; GROUND TEST; Inter nal Overload VPAK 24 K Btus
Remove the leads from the compressor terminals and set the ohmmeter on the lowest scale (R x 1). Touch the leads of the ohmmeter from terminals common to start (“C” to “S”). Next, touch the leads of the ohmmeter from terminals common to run (“C” to “R”). Single Phase Resistance Test Add values “C” t...
Page 33 - PROPER HANDLING OF; COMPRESSOR REPLACEMENT; LOW
Recommended procedure for compressor replacement 1. Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing. 2. Recover all refrigerant from the system though the process tubes. PROPER HANDLING OF RECOVERED REFRIGERANT A...
Page 34 - ROUTINE MAINTENANCE; ELECTRICAL SHOCK HAZARD!
1. 2. 3. 4. 5. ELECTRIC SHOCK HAZARD WARNING Turn off electric power before service or installation. Failure to do so may result in personal injury, or death. Sealed Refrigeration System contains refrigerant and oil under high pressure. Proper safety procedures must be followed, and proper protectiv...
Page 35 - S i z i n g G u i d e
ROOM AIR CONDITIONER UNIT PERFORMANCE TEST DATA SHEET JOB NAME________________________________ TECHS NAME____________________________________ DATE: _______________ MODEL:_______________ SERIAL:________________ HOW IS ALL OF THE INSTALLATION? GOOD BAD YES NO I S T H E U N I T I N S T A L L E D 2 3 / ...
Page 36 - THERMISTORS’ RESISTANCE VALUES; (This Table Applies to All Thermistors
THERMISTORS’ RESISTANCE VALUES (This Table Applies to All Thermistors ) 7(03 FAHRENHEIT 5(6,67$1&(.2KPV 5(6,67$1&( 72/(5$1&( 35
Page 37 - ELECTRICAL TROUBLESHOOTING CHART - COOLING; NO COOLING OPERATION
ELECTRICAL TROUBLESHOOTING CHART - COOLING 9K BTU, 12K BTU, & 18K BTU NO COOLING OPERATION Insure that Fuses are good and/or that Circuit Breakers are on and voltage is 208/230 Compressor and Fan Motor should now operate See Refrigerant Circuit diagnosis if unit still is not cooling properly Fan...
Page 39 - YES; HEAT PUMP MODE
ELECTRICAL TROUBLESHOOTING CHART HEAT PUMP Replace Reversing Valve NO NO YES YES Reversing Valve Stuck YES Replace Solenoid Coil Is the Solenoid Coil Good? Is Line Voltage Present at Solenoid Valve? Is Selector Switch set for Heat? SYSTEM COOLS WHEN HEATING IS DESIRED. HEAT PUMP MODE 38
Page 40 - TROUBLESHOOTING CHART - COOLING
REFRIGERANT SYSTEM DIAGNOSIS COOLING REFRIGERANT SYSTEM DIAGNOSIS HEATING Low Load Conditions High Load Conditions Low Load Conditions High Load Conditions Low Air Flow Across High Air Flow Across Refrigerant System Low Air Flow Across Indoor Coil Indoor Coil Restriction Outdoor Coil Refrigerant Sys...
Page 41 - REMOTE WALL THERMOSTAT WIRING DIAGRAMS; LEGEND FOR; COOL WITH ELECTRIC HEAT; C GH GL; HEAT PUMP WITH ELECTRIC HEAT
REMOTE WALL THERMOSTAT WIRING DIAGRAMS LEGEND FOR AT WIRING HARNESS RT6 - Two Speeds Fan T-Stat - Field Provided-- -- -- Field Wiring C Common Terminal GH Call for High Fan GL Call for Low Fan O/B Reversing Valve - Configurable O Cool mode, active reversing valve B Heat mode, active reversing valve ...
Page 42 - RT
COOL WITH ELECTRIC HEAT ELECTRICAL & THERMOSTAT WIRING DIAGRAM VEA 09/12/18 with 2.5 KW, 3.4 KW or 5KW ELECTRIC HEAT 41 BL UE R E D W H IT E G R E E N B R O W N O R A N G E C HERM FA N L 1 L 2 E L E C T R O N IC C O N T R O L T E RM IN A L D E T A IL B L A C K BL AC K B L U E H E A T ER 2 .5 K W...
Page 45 - COOL WITH ELECTRIC HEAT
44 W H IT E W H IT E W H IT E B L U E R E D W H IT E RE D W H ITE G R E E N B R O W N O R A N G E B RO W N C G R E E N FAN H E R M B LA C K L 1 L 2 C E L E C T R O N IC C O N T R O L HE RM FAN T E R M IN A L D E T A IL B L A C K BL UE BL UE BL AC K BL AC K B L U E H E AT E R 7 .5 K W o r 1 0 .0 K W ...
Page 48 - Accessories; M O D E L
Accessories M O D E L D E S C R I P T I O N P H O T O VPAWP1-8 VPDP1 VPRG4 R T4 R T6 VPSC2 VPAL2 VPAWP1-14 3 / 4 " high x 27" wide. WALL PLENUM Two-part sleeve that telescopes in and out from 5 to 8 in depth. The wall plenum sits inside the exterior wall penetration.DIMENSIONS: 30 high x 24 ...
Page 49 - A SERIES
(10-06) Friedrich Air Conditioning Company VERT-I-PAK ® A SERIES SINGLE PACKAGE VERTICAL AIR CONDITIONERS LIMITED WARRANTY SAVE THIS CERTIFICATE. It gives you specific rights, you may also have other rights which may vary from state to state and province to province. In the event that your unit need...
Page 59 - 4K BTU/h Models 2011 VPAK Par ts List
Re fe re n ce N u m b e r Part Number Part Descrip on V E A 2 4 K 1 0 R T L- B V E A 2 4 K 2 5 R T L- B V E A 2 4 K 3 4 R T L- B V E A 2 4 K 5 0 R T L- B V E A 2 4 K 7 5 R T L- B V H A 2 4 K 1 0 R T L- B V H A 2 4 K 2 5 R T L- B V H A 2 4 K 3 4 R T L- B V H A 2 4 K 5 0 R T L- B V H A 2 4 K 7 5 R T...
Page 60 - FRIEDRICH AIR CONDITIONING CO.; TECHNICAL SUPPORT; FRIEDRICH AUTHORIZED PARTS DEPOTS; AAA Refrigeration Service; CUSTOMER SATISFACTION and QUALITY ASSURANCE
Printed in the U.S.A. VPK-ServMan-L (4-11) 59 FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216(210) 546-0500 877-599-5665 x 261 FAX (210) 546-0631 Email: [email protected] Printed in the U.S.A. TECHNICAL SUPPORT CONTACT INFORMATION FRIEDRICH AUTHOR...
