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Service Manual
A SERIES *(Electronic Control)
Single Package
Vertical Air Conditioning System
Models
For Years 2009 and 2008
9,000 BTU’s
12,000 BTU’s
18,000 BTU’s
24,000 BTU’s
VPK-ServMan (04-09)
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TECHNICAL SUPPORT CONTACT INFORMATION FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 · San Antonio, Texas 78295-1540 4200 N. Pan Am Expressway · San Antonio, Texas 78218-5212 (210) 357-4400 · FAX (210) 357-4490 www.friedrich.com Printed in the U.S.A.
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Table of Contents Important Safety Information .............................................2 Reversing Valve — Description/Operation ....................31 Introduction ........................................................................4 Testing Coil ....................................................................32 Vert-I-Pak Model Number Identification Guide ..................5 Checking Reversing Valves ...........................................32 Serial Number Identificatio
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IMPORTANT SAFETY INFORMATION The information contained in this manual is intended for use by a qualified 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 product. Installation or repairs made by unqualified persons can result in subjecting the unqualified person making such repairs as well as the persons being served by the equipm
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• 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 conditions when the power is restored and the unit is turned on, even after the exterior is dry. • Never operate the A/C unit with wet hands. • Use air conditioner on a single dedicated circuit withi
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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 specified amperage rating. • Connect to a properly grounded outlet only. • Do not remove ground prong of plug. • Do not cut or modify the power supply cord. • Do not use extension cords with the unit. • Failure to follow these instructions can result in fire and minor to serious property dam
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Model Identi fi cation Guide MODEL NUMBER V E A 24 K 50 RT A SERIES ENGI NEERI NG CODE V=Vertical Series E=Cooling with or without electric heat OPTIONS H=Heat Pump RT = Stan dard Rem ote Op er a tion SP = Seac oast Prot ecte d DESIGN SERIES A = 32" and 47" Cabinet NOMINAL CAPACITY ELECTRIC HEATER SIZE A-Series (Btu/h) A-Series 09 = 9,000 00 = No electric heat 12 = 12,000 25 = 2.5 KW 18 = 18,000 34 = 3.4 KW 24 = 24,000 50 = 5.0 KW 75 = 7.5 KW VOLTAGE 10 = 10 KW K = 208/230V-1Ph-60Hz Seri
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2009 Chassis Specifications VEA/VHA09-24 VEA09K VEA12K VEA18K VEA24K VHA09K VHA12K VHA18K VHA24K COOL IN G D AT A Cooling Btu/h 9500/9300 11800/11500 17500/17300 24000 9500/9300 11800/11500 17500/17300 23500 Cooling Power (W) 880 1093 1882 2526 905 1124 1882 2474 EER 10.8 10.8 9.3 9.5 10.5 10.5 9.3 9.5 Sensible Heat Ratio 0.74 0.72 0.70 0.70 0.74 0.72 0.70 0.70 HE A T P U MP D AT A Heating Btu/h N/A N/A N/A N/A 8500/8300 10600/10400 17000/16800 22500 COP @ 47°F N/A N/A N/A N/A 3.0 3.2 3.0 3.0 He
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2009 Extended Cooling Performance VEA - Extended Cooling Performance OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.) 75 85 95 105 110 INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.) 72 67 62 72 67 62 72 62 72 67 62 72 67 62 67 BTUh 11172 10745 9947 10640 10032 9253 10222 8408 9576 8503 7496 9049 7918 6987 9500 WATTS 718 730 737 782 790 800 880 880 951 950 953 994 994 997 880 VEA09 AMPS 3.4 3.4 3.5 3.7 3.7 3.7 4.1 4.1 4.4 4.4 4.4 4.6 4.6 4.6 4.10 SHR 0.51 0.69 0.93 0.52 0.71 0.95 0.52 0.95 0.53 0.7
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2008 Chassis Specifications VEA/VHA09-24 VEA09K VEA12K VEA18K VEA24K VHA09K VHA12K VHA18K VHA24K CO O LING D A T A Cooling Btu/h 9500/9300 11800/11500 18000/17800 24000 9500/9300 11800/11500 18000/17800 23500 Cooling Power (W) 880 1093 2070 2526 905 1124 2070 2474 EER 10.8 10.8 8.7 9.5 10.5 10.5 8.7 9.5 Sensible Heat Ratio 0.74 0.72 0.70 0.70 0.74 0.72 0.70 0.70 HE A T PUMP D A T A Heating Btu/h N/A N/A N/A N/A 8500/8300 10600/10400 15700/15500 22500 COP @ 47°F N/A N/A N/A N/A 3.0 3.2 3.0 3 Heat
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2008 Extended Cooling Performance VEA - Extended Cooling Performance OUTDOOR DRY BULB TEMP. (DEGREES F AT 40% R.H.) 75 85 95 105 110 INDOOR WET BULB TEMP. (DEGREES F AT 80 F D.B.) 72 67 62 72 67 62 72 62 72 67 62 72 67 62 67 BTUh 11172 10745 9947 10640 10032 9253 10222 8408 9576 8503 7496 8522 7334 6479 9500 WATTS 718 730 737 782 790 800 880 880 951 950 953 1038 1038 1042 880 VEA09 AMPS 3.4 3.4 3.5 3.7 3.7 3.7 4.1 4.1 4.4 4.4 4.4 4.8 4.8 4.8 4.10 SHR 0.51 0.69 0.93 0.52 0.71 0.95 0.52 0.95 0.53
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WARNING NOTICE ELECTRIC SHOCK HAZARD ELECTRIC SHOCK HAZARD Turn off electric power before service or instal- Not following the previous WARNING could result in fire or lation. All electrical connnections and wiring electrically unsafe conditions which could cause moderate MUST be installed by a qualified electrician and or serious property damage. Read, understand and follow conform to the National Electrical Code and all the previous warning. local codes which have jurisdiction. Failure
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REmot E tHER moStat an D Low Vo Ltag E Cont Ro L CONNeCTIONS Cool Off Heat Auto On RT5 (Two speed fan) RT4 (One speed fan) Remote Thermostat Location All Friedrich Vert-I-Pak units are factory configured to be The thermostat should not be mounted where it may be controlled by using a 24V single stage remote wall mounted affected by drafts, discharge air from registers (hot or cold), thermostat. The thermostat may be auto or manual changeover or heat radiated from the sun or applian
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REmot E tHER moStat an D Low Vo Ltag E Cont Ro L CONNeCTIONS (Continued) 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 *If only one G terminal is present on thermostat, connect to GL for low fan or to GH for high fan operation. NOTE: It is the installer’s responsibility to ensure that all control wiring connections are m
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ELECtR onIC ContR oL 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 specifically designed control software, Friedrich has accomplished what other Manufacturer’s have only attempted – a quiet, dependable, affordable and easy to use Vert-I-Pak. Below is a list of standard features on every Friedrich VPAK and their benefit to the owner. The fan start and stop delays prevent abrupt changes in room ac
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Electronic Control Con figuration Electronic Control Error Code The adjustable control dip switches are located at the lower Diagnostics and Test Mode left hand portion of the digital Smart Center. The inputs are only visible and accessible with the front cover removed from Error Code Diagnostics the Unit. The VPAK electronic control continuously monitors the Vert-I-Pak unit operation and will store error codes if certain conditions Factory Dip Switch Con figuration are witnessed. In some ca
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ELECt RonIC C ont Ro L ERRo R Co DES DIagno St ICS an D TeST MODe (Continued) The chart below lists the possible error codes and their description: Error Code Code Translation Action Taken by Unit Possible Cause EF “Error Free” - No Codes Stored None Unit Operating Normally 02 An extreme low voltage condition Shut down unit. Display Error code and • Inadequate power supply exists <198V for 230V units and ash. Once voltage rises to normal level • Defective breaker <239V for 265V units. system p
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VPak ELEC t RonIC C ont Ro L Boa RD an D wa LL t HERmoStat SE qUEn CE o F o PERat Ion Wall Thermostat Connections: • The control is compatible with a standard single stage heat and cool Wall Thermostat. • It is compatible with Friedrich RT4 and RT5 Wall thermostats. • Terminals are: C – Common ground terminal. W – call for heating. Y – call for cooling, R – 24V power from Electronic control to Wall Thermostat. GL - call for low Fan. GH- call for high fan B – call for heat pump
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VPak ELEC t RonIC C ont Ro L Boa RD an D wa LL t HERmoStat SE qUEn CE o F o PERat Ion ( Continued) Coo L moDE Cont Ro L FEat URES Fo R Coo L wIt H ELECt RIC HEat U n It S Reversing valve: Always de-energized when “Cool” switch is selected on thermostat. Compressor operation: If ambient indoor temperature is above set point temperature depending on t-stat differential and the compressor is not time delayed, turn on compressor. If ambient indoor temperature is below set point depending on
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VPak ELEC t RonIC C ont Ro L Boa RD an D wa LL t HERmoStat SE qUEn CE o F o PERat Ion ( Continued) HEat PU mP moDE Cont Ro L FEat URES Fo R HEat PU mP wIt H ELECt RIC HEat U n It S Reversing valve: Always energized when “Heat” is selected on thermostat. Compressor operation depends on t-stat settings: If ambient indoor temperature is below the set point temperature depending on t-stat differential and the compressor is not time delayed, turn on compressor. If ambient indoor temperature
