York AVV25B, Installation Manual

Page 1: ...source Power Supply 208 230 1 60 20 Electrical Data For Single Source Power Supply 208 230 3 60 21 Electrical Data For Multi source Power Supply 208 230 3 60 22 Air Flow Data CFM 1 2 3 4 When operati...

Page 2: ...requirements and conform to existing national standards and safety codes In some instances these instructions exceed certain local codes and ordinances especially those who have not kept up with chan...

Page 3: ...Attachment Component Location XFW ZRUN PD EH IDVWHQHG FDXWLRXVO ZLWK VFUHZV WR WKH VLGHV DQG UHDU RI XQLW RQO 35 0 5 5 1 137 9 325 5 5 5 17 1 211 7 21 48 5 5 5 17 1 211 7 21 25 217 5 1 3 1 6 21 5 5 1...

Page 4: ...wer and verify that it is within the normal operating voltage range for the unit The accept able voltage range for these units is as follows FIGURE 4 Dimensions Duct Connection Dimensions 7 5 66 5 1 2...

Page 5: ...ulation with vinyl vapor barrier should be used AIR HANDLER CONFIGURATION These air handler units are supplied ready to be installed in an upflow or horizontal left position Refer to Figure 5 If the u...

Page 6: ...is advisable to design the duct work so that the grille is not in direct line with the opening in the unit One or two elbows and acoustical duct liner assures a quieter system Operation where return a...

Page 7: ...turbulence inside the plenum This turbulence can change the air flow patterns across the electric heater limit switches If the factory suggested transition cannot be fabricated it is recommended that...

Page 8: ...lly to prevent air leak age In some units the vapor line grommet may be shipped as a loose part with the unit Refer to Figure 10 CAUTION Equipment should never be operated without filters CAUTION COIL...

Page 9: ...be plugged Instruct the owner that the evaporator coil drain pan should be inspected and cleaned regularly to prevent odors and assure proper drainage If a secondary drain is not used it must be plugg...

Page 10: ...t connection of aluminum wiring to air handlers is not approved If aluminum conductors are present all applicable local and national codes must be followed when converting from aluminum to copper cond...

Page 11: ...ted hole and keep low voltage wiring as short as possible To further minimize air leakage seal the wiring entry point at the out side of the unit The field wiring is to be connected with wire connecto...

Page 12: ...C 24 VAC System Common Pin 2 3 R 24 VAC System Power Pin 3 4 A RS 485 Input Pin 4 5 PR1 5V VCC Pressure Transducer Indoor Pressure Transducer Pin 1 6 PR1 0 5 4 5V Pressure Transducer Signal Pin 2 7 P...

Page 13: ...jumper to be changed from NO to YES 3 Set the MODE jumper to A C Air Conditioner or HP Heat Pump position depending on the outdoor unit included with the system 4 Set HEAT airflow jumper to proper po...

Page 14: ...is connected to the heater relays using pins 4 5 and 6 of connector P1 The relay outputs are 24 VAC The control energizes the heat relays as shown in Table 4 Depending on the heat kit installed in th...

Page 15: ...wer in conjunc tion with the outdoor unit compressor speed To Set Heat Pump Airflow The modulating outdoor AC or HP operate the indoor blower in conjunc tion with the outdoor unit compressor speed To...

Page 16: ...Refer to the latest edition of the National Electric Code or in Canada the Canadian electrical Code and local codes to determine correct wire sizing TABLE 7 Electrical Heat Minimum Fan Speed Heater K...

Page 17: ...HK46502025 19 2 14 4 17 6 49 2 60 2 7 2 8 8 14 4 17 6 6HK46502525 24 18 22 61 5 75 2 9 11 18 22 1 0 1 0 no service disconnect OR 1 with service disconnect 2 1 2 1 with service disconnect no breaker ju...

Page 18: ...3 128 3 125 150 AVV50C 6HK 0 1 6500206 10 9 1 8 8 25 25 6HK 0 1 6500506 20 9 1 8 8 35 35 6HK 0 1 6500806 32 9 1 8 8 45 50 6HK 0 1 6501006 40 9 1 8 8 60 60 6HK 1 2 6501306 52 9 1 8 8 70 80 6HK 1 2 650...

Page 19: ...ybe 0 no service disconnect or 1 with service disconnect 2 1 2 maybe 1 with service disconnect no breaker jumper bar or 2 with service disconnect breaker jumper bar 3 MOP Maximum Overcurrent Protectio...

Page 20: ...5 41 5 30 40 30 45 6HK16501506 60 30 8 43 3 32 7 47 9 35 45 35 50 6HK16501806 72 48 1 39 0 51 9 43 1 50 40 60 45 6HK16502006 80 52 5 43 3 56 7 47 9 60 45 60 50 6HK16502506 100 52 5 43 3 21 7 56 7 47 9...

Page 21: ...3 55 5 55 60 6HK465020253 46 2 56 3 61 0 60 70 37C 6HK36501025 23 1 31 3 33 3 35 35 6HK36501525 34 6 43 7 47 1 45 50 6HK36501825 41 6 51 3 55 5 55 60 6HK465020253 46 2 56 3 61 0 60 70 38B TBD TBD TBD...

Page 22: ...eat Tap2 AVV25B AVV37B AVV37C AVV38B AVV38C AVV49C High Low High Low High Low High Low High Low High Low A 1225 1020 1225 1020 1425 1150 TBD TBD 1430 1200 1650 1200 B 1150 950 1150 950 1150 1000 TBD T...

Page 23: ...y drain SECTION XV AIR SYSTEM ADJUSTMENT To check the Cubic Feet per Minute CFM measure the external duct static using a manometer and static pressure tips To prepare coil for static pressure drop mea...

Page 24: ...p sheet showing the critical readings of the unit at the time of commissioning must be uploaded as part of the online registration process FIGURE 18 Drain Traps 3 MINIMUM HANDMADE TRAP PREMADE TRAPS S...

Page 25: ...5292157 UIM B 0317 Johnson Controls Unitary Products 25 SECTION XVIII WIRING DIAGRAM FIGURE 20 Wiring Diagram ECM Single Phase Heat Kits Sheet 1 of 2 6KHHW RI...

Page 26: ...5292157 UIM B 0317 26 Johnson Controls Unitary Products FIGURE 21 Wiring Diagram ECM Single Phase Heat Kits Sheet 2 of 2 6KHHW RI...

Page 27: ...N BLUE BLUE BLUE BLUE YELLOW YELLOW BLACK BLACK YELLOW YELLOW BLACK BLACK RED WHITE BLACK BLUE BLACK BLUE YELLOW BLACK YELLOW YELLOW BLUE BLACK BLUE BLACK YELLOW RLY 1 RLY 2 RLY 3 RLY 6 RLY 5 RLY 4 HE...

Page 28: ...5292157 UIM B 0317 28 Johnson Controls Unitary Products NOTES...

Page 29: ...dry bulb temperature Return air dry bulb temperature Temperature drop 1 2 3 4 5 Low Medium Low Medium Medium High High A B C D Outside air dry bulb temperature Return air wet bulb temperature Supply a...

Page 30: ...oting and correcting any problems Operate the unit through cooling cycles from the thermostat noting and correcting any problems Operate the unit through mechanical heating cycles from the thermostat...