Carrier AQUAZONE 50PTH Installation, Start-Up And Service Instructions Manual Download

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Summary of Contents for AQUAZONE 50PTH

Page 1: ...35 Unit Start Up Heating Mode 35 Unit Start Up with WSHP Open Controls 37 Flow Regulation 38 Flushing 38 Antifreeze 38 Cooling Tower Boiler Systems 39 Ground Coupled Closed Loop and Plateframe Heat Exchanger Well Systems 39 OPERATION 39 43 Power Up Mode 39 Units with Aquazone TM Complete C Control 39 Units with Aquazone Deluxe D Control 39 Units with WSHP Open Multiple Protocol 40 COMPLETE C AND D...

Page 2: ...uctions are provided with each unit Before unit start up read all manuals and become familiar with the unit and its operation Thoroughly check out the system before operation Complete the inspections and instructions listed below to prepare a unit for installation See Table 1 for unit physical data IMPORTANT This equipment is designed for indoor installation ONLY Extreme variations in temperature ...

Page 3: ...g information to verify that the correct unit has been shipped 2 Do not remove the packaging until the unit is ready for installation 3 Verify that the unit s refrigerant tubing is free of kinks or dents and that it does not touch other unit components 4 Inspect all electrical connections Be sure connections are clean and tight at their terminations 5 Loosen compressor bolts until the compressor r...

Page 4: ...ECTRICAL WATER CONNECTIONS in TIONS in KNOCKOUTS in UNITS WITH HWR J K L 1 2 3 4 5 Loop 1 2 1 2 in 1 2 in 3 4 in Water HWG Cond Cond Cond F W G H FPT FPT D E H G H G Cond in in Loop Loop Low Ext Power In Out In Out ensate in D aut E Voltag_ Pump Supply 2 1 10 0 139 16 9 3 5 3 4 1 2 2 1 10 0 36 6 1 8 6 3 4 10 8 14 6 18 9 3 4 3 4 1 2 5 96 13 13 3 4 6 1 8 6 3 4 10 8 15 6 18 9 3 4 1 1 2 5 96 13 13 3 6...

Page 5: ...ers Unit Hanger factory supplied field installed _ accessory Stainless steel braid hose with integral J swivel Balancing Valve field accessory Low Pressure Drop Water Control Valve optional field installed accessory Building _ _ Loop Out Water In Ball Valve with optional integral P Tplug typical for supply and return piping field installed accessory 3 8 Threaded Rod by others Vibration Isolator wh...

Page 6: ...ATER CONNEC ELECTRICAL WATER CONNECTIONS in TIONS in KNOCKOUTS in UNITS WITH HWR J K L 1 2 3 4 5 Loop 1 2 1 2 in 1 2 in 3 4 in Water I IWG Cond Cond Cond F G H FPT FPT D E HWG HWG Cond in in Loop Loop Low Ext Power In Out In Out ensate in D autE Voltage Pump Supply 2 1 10 0 13 9 16 9 7 8 3 4 1 2 2 1 10 0 3 6 6 1 8 6 3 4 10 8 15 6 18 9 7 8 3 4 1 2 5 96 13 13 3 6 6 1 8 6 3 4 10 8 15 6 18 9 7 8 1 1 2...

Page 7: ...r FPT D E F G H FPT in In Out HWG HWG Cond in Loop Loop In Out ensate in D out E 21 100 139 16 9 36 3 4 1 2 2 1 100 3 4 10 8 15 6 18 9 3 6 3 4 3 4 10 8 15 6 18 9 3 6 1 3 4 10 8 15 6 18 9 3 6 1 Low Ext Power Voltage Pump Supply DISCHARGE CONNECTIONS in DUCT FLANGE INSTALLED _ 0 10 in M O P Q LH N Supply Supply RH rtn Width Depth rtn RETURN CONNECTION in USING AIR COIL OPENING S T R Return Return U ...

Page 8: ...r other materials Refer to Fig 1 3 and 4 for dimensional data Provide access for fan and fan motor maintenance and for servicing the compressor and coils without removing the unit Provide an unobstructed path to the unit within the closet or mechanical room Space should be sufficient to allow removal of the unit if necessary In limited side access installations pre removal of the control box side ...

Page 9: ...t system a flexible connector is recom mended for both discharge and return air duct connections on metal duct systems The supply and return plenums should in clude internal duct liner of fiberglass or be made of duct board construction to maximize sound attenuation of the blower Installing the WSHP unit to uninsulated ductwork in an uncon ditioned space is not recolmnended since it will sweat and...

Page 10: ...rates at tempera rares below dew point of adjacent air Piping systems that contain steel pipes or fittings may be subject to galvanic corrosion Dielectric fittings may be used to isolate the steel parts of the system to avoid galvanic corrosion WATER LOOP APPLICATIONS Water loop applications usually include a number of units plumbed to a COlnmonpip ing system Maintenance to any of these units can ...

Page 11: ... each unit to permit unit removal for servicing 3 Place strainers at the inlet of each system circulating pump 4 Select the proper hose length to allow slack between con nection points Hoses may vary in length by 2 to 4 under pressure 5 Refer to Table 3 Do not exceed the minhnum bend radius for the hose selected Exceeding the minhnum bend radi us may cause the hose to collapse which reduces water ...

Page 12: ...g components 800 micron size Brackish Use cupronickel heat exchanger when concentrations of calcium or sodium chic All N A ride are greater than 125 ppm are present Seawater is approximately 25 000 ppm LEGEND HWG Hot Water Generator HX Heat Exchanger N A Design Limits Not Applicable Considering Recirculating Potable Water NR Application Not Recommended SS Stainless Steel Heat exchanger materials c...

Page 13: ...ge or excessive phase imbalance constitutes abuse and may cause damage to electri cal components NOTE If more than 2 voltage ilnbalance is present contact your local electric utility 208 VOLT OPERATION All 208 230 volt units are factory wired for 208 volts The transformers may be switched to 230 volt operation by switching the red 208 volt wire with the orange 230 volt wire at the L1 terminal 460 ...

Page 14: ...__o _ o _ _ z t 3 I u li o o o _ o 6 6 O 00 NO 0 O _J _0 o0o _ _ N c _O i I_L 0 o _ O _j_ o o_E _ _o 0_o _ _ C_J DJ O0 u o _u _ _0 o_ o_ _ uiTi _ o_ u c jo o J 0 _o IIIIIIIIIIIII IIIIII _e_ moo_o _o_m_ o o I o o I v o o c o c O0 o e e e ID I I I m e _ I 14 ...

Page 15: ...LU J _o _c _ 7_ o _o o 09 0 _ _ _ _ _ ___ III oo_ I i 0 o o o n o_ zt__ _ JO0_ 03 _ONth _ 1 u_oo_ _ o o o 0 o0_o9 _ o O_ _09 rr_omo _ o_ 1 _o 0 o __ o _o _ o o _ _ o E _ o IIIII IIIIIIIIIIIIII o o_ o o4 v o o o oO o e cl cl N cl I I r I m e I 15 ...

Page 16: ..._d 6_ o o_ zs _ _ 00 NO O _ _ _o o _ o_o ouo_ _ N _0 8_ c o _E o_ Oco _ _00 E6 r_ _ _ _ _o_ O O_O D _ 09 0 0 __0 _ _ _ _ _o _ _o__ _ o o_ _E _ _ _ _o_ o o0 _ _o N_ _o __0 O J OO JO_O _ _ _ _ _ r n 0 0 0 C3 W 0 0 F m _ j _ Z u_ CC _ IIIIIIIIIIIIIIIIIIII _m_moO_o_ _0 _ _ o e0 o o I o 00 o e l i i e i e t_ e ID I I I m e i I i 16 ...

Page 17: ...oo_I i z W W m o0 _ o0 o_EU o o_ 0 R o oo O_ 0_o _ o o 0 oO_ OE _R o o EcO c_ _ E _ 0 5 o _ 5_ _ _ _ _ o__ _ o o _ o o _ o o O _ m o o _ o O _ m O O O30 rm n LU _ cO r n n C3 J _ Z IIIIII IIIlllllllll o o ol t o e p N e o o cl cl e e ID o I I I tr_ e __ I 17 ...

Page 18: ... _ o _ _ o LE LE n 0 rr 0 03 _ _ _ Z I t O o o o_ _ oo o 03 o_ _0 _0 o_ _ _ _ ___ _ _ r_ o o 0o Z o o oO _ooo _oo _o_oO_ __o m m 0 0 03 0 tm w 03 03 n r n J _ Z u n _ IIIIIIIIIIIIIllllllll o _0 0 o o o o e b o o I o I 0 r o u_ e i I u 1S ...

Page 19: ..._ r r o rn W 0 LL r r W Z i 0 W r7 Z W W _co cc E E 0 o _ _ _ _ _ _ _ _o _ o III 5_ _ ha l o o 8 8 6 Ew O_o o o _ _0 o_ _ 0 0 0 _J C E 0 _0 E oo _ o Eoo _ _ E o_ J o _00_0 _0 _0 _ 0 IIIII IIIIIIIIIIIII o o o c o e i e o 0 o o o e e _b o I I I m o e I o 19 ...

Page 20: ..._cc_0_ o_ _ oo 3o oo _ cE IT _ _ 0 2_ _ _ ___ _ _ _ _ 0 N N _r__ _ _O ms mOO rhwo O TTO jj_zii_n l b IIIIIII IIIIIII IIIIIIII m o_ _ n m 00 I 0 _ _ _ _ _ _ 00 _ n _ _ _ IXl n n 0 0 0 _ U r r r _ I I _ _ Z n n _ o D v o _n c O o e l o O O iI e O o O e d d 5 5 _ _ _ 8 o _ _ o _ O I i m o e N I N 20 ...

Page 21: ...o w _ z W 5 W _J _ _ d d 8 n_gz o g o _ s o o v o o c o e l o o c o o Z 0 J o c O o x o 0 e c Ol o o o 0 I I I o 0 01 e r I LI 21 ...

Page 22: ..._ j 09 D I I I r I I I r L L I 7 1 o 4_i_ zw I___ a ogrro9 _W l__ m I I I I i i rr _ 1 LI I i LEELE B Z z cc w 42 o d T J j I W _ wz _7 co I z _I o Z _ wa I I I 1_ rr 7 J7 0 mm E I111_ ul _ LLLLLLL _ _ J _b ow wo rrw 69 _wm ZC3 WT_j W e w 0 i z 0 0 O o O 0 0 o O E 0 0 e I _ _ 0_ _0 _ _ ___ _ o_o_ oz _n _ _ _ w _ _ _ _ o_o _o _ 88_8 _ IIIIIIIIII 22 ...

Page 23: ...__ 8 gu l I 3 m rn r l 3 rr L I r L L J I I F I I I rL I I q EI 111 1 _p F co 23 ...

Page 24: ...4__I _ _f 1 N78 __ n7 I 7_A NWO MNId N_ID N_18 3 1 I I I I I I I I I I I I _LLI _n 58 L _ _ _ W mr_ __ co t _z_ __z n O0 _ I 17 I I I I _gw P I I I 4 _ I I II II II II II II J 9 G O ow wo IO _9 z o_ Im _ ao S C3rr LuLL _ _ ____ Z w z J Wwz a _ c3 X 5 _ _ 0_ 1 z w 13 9 T _ _ on w 00_ _ t _ o 0 5 o o _o S 2 S 5 __ o_ o iz 0 0 n c0 o0 IIIIIIII E 0 o o 0 o e o 0 1 0 e 0 I LI d o E 0 o t e I I I 24 ...

Page 25: ... o _o_ _ E_ m1 I1 m Z i I I I _ I_l_l _L 4_EI iii i o z o o___ _ 9 1 _ _ I I I M78 I_I_I_I_I_I I_I NNd O_A I___ I_ _ I MNcI _ _ I N_ _ I NUO__j _ r I E I I I I I I I I I I I I r I I I 7 I vv I _ o_ _ I _ E iO w_ L __ _ _ II II II II II G_O uJ I _oo__ z w I3 9 I 1 7 o coo za_o5 _ __ _ _ _ __ _ ___ O _a ZOO rr m_ IIIIIIII _mzo0 E 0 0 6 o o E o o 0 r O0 no to 0 mira d o x e I 25 ...

Page 26: ...I IiII I _ I ii I I I III I __ II 1 12_ e i I I I L _ I I I t I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I_ I o o 8 0 8 s 8 _ s 8 8 s s 8 _ 8 i O_ _ UUU _ o _ovqa leUtd i To WSHP Controller 6 o 8 0 _ 0 0 I I 5_ I I 26 ...

Page 27: ...up plied with the sensor Wiring a SPT Sensor A WSHP Open controller is connect ed to a wall mounted space temperature SPT sensor to moni tor room temperature using a Molex plug The WSHP Open system offers the following SPT sensors See Table 6 Table 6 SPT Sensors PART SENSOR NUMBER FEATURES SPT Standard Local access port SPS No operator control Slide potentiometer to adjust set point SPT Plus SPPL ...

Page 28: ...umidity sensor and CO sensor on the same zone controller if both sensors are powered off the board If sensors are externally powered both sensors may be used on the same zone controller If the cable used to wire the RH sensor to the controller will be less than 100 ft an unshielded 22 AWG American Wire Gage cable should be used If the cable will be greater than 100 ft a shield 22 AWG cable should ...

Page 29: ... Field Wiring CLIP JW3 FOR FREEZE CLIP FOR CONTACT CLIP JW2 FP2 JUMPER FOR ANTI FREEZE SYSTEMS AQUAZONE CONTROL Complete C Shown Fig 31 Typical Aquazone TM Control Board Jumper Locations o _ 1 _O 3 Y THERMOSTAT AMV TACO VALVE Fig 33 AMV Valve Wiring TERMINAL STRIP P2 TYPICAL WATER VALVE Fig 32 Typical Accessory Wiring Fig 34 Taco SBV Valve Wiring 29 ...

Page 30: ...es the motor to operate like a standard PSC motor and disables the cfm counter See Table 11 Table 11 CFM Adjust Settings TAPSETTING TEST NORM SW7 ON ON OFF OFF DIP SWITCH SW8 ON OFF ON OFF DEHUMIDIFICATION MODE The dehumidification mode setting provides field selection of humidity control When operating in the normal mode the cooling airflow set tings are determined by the cooling tap setting in T...

Page 31: ... to 80 F heating and 50 to 110 F cooling 16 Air coil is clean 17 Control field selected settings are correct AIR COIL To obtain maximum performance clean the air coil before starting the unit A 10 solution of dishwasher detergent and water is recolranended for both sides of the coil Rinse thoroughly with water FIELD SELECTABLE INPUTS Jumpers and DIP dual m line package switches on the control boar...

Page 32: ... ON for heat pump thermostats In heat pump mode Y1 used is for compressor stage 1 Y2 is used for compressor stage 2 Wl is used for heating stage 3 or emergency heat and O W2 is used for reversing valve heating or cooling depending upon switch 4 setting O B Thermostat Type Switch 4 provides selection for heat pump O B thermostats O is cooling output B is heating out put Select ON for thermostats wi...

Page 33: ...o maintain space temperature when the unit is operating in the dehumidification mode Water source heat pumps with HWR should not be used as makeup air units These applications should use equipment specifically designed for makeup air HWR COMPONENT FUNCTIONS The proportional controller operates on 24 VAC power supply and automatically adjusts the water valve based on the supply air sensor The suppl...

Page 34: ...ation voltage is acceptable UNIT START1NG CONDITIONS Units start and operate in an ambient temperature of 45 F with entering air tempera ture at 50 F entering water temperature at 60 F and with both air and water at the flow rates used NOTE These operating limits are not normal or continuous operating conditions Assume that such a start up is for the purpose of bringing the building space up to oc...

Page 35: ... Check for warm air delivery at the unit grille within a few minutes after the unit has begun to operate 4 Check the temperature of both supply and discharge water Compare to Tables 20 23 If temperature is within range proceed If temperature is outside the range check the heating refrigerant pressures in Tables 20 23 5 Once the unit has begun to run check for warm air deliv ery at the unit grille ...

Page 36: ... 10 15 20 9 22 9 19 25 93 103 314 334 8 13 10 15 11 5 13 5 23 29 123 133 224 244 13 18 122 132 205 225 14 19 133 143 310 330 8 13 132 142 290 310 8 13 131 141 270 290 9 14 138 148 396 416 7 12 137 147 374 394 7 12 136 146 352 372 7 12 144 154 497 517 7 12 143 153 472 492 7 12 142 152 447 467 7 12 9 14 15 6 17 6 19 25 98 108 320 340 8 13 10 15 8 7 10 7 24 30 7 12 10 2 12 2 19 25 103 113 326 346 8 1...

Page 37: ... then press Clockset b Scroll to hour minute and second using the arrow keys Use the number keypad to set actual time c Scroll to day month and year using arrow keys Use number keypad to set date 5 To set Daylight Savings Time DST a Push the DST softkey The display will indicate 02 00 060 which is equal to 2 00AM 6 7 8 b c d To a b To a b To program the beginning and end dates scroll down to the b...

Page 38: ...ntains the pump at 50 psig 5 To purge keep the pump at 50 psig until maximum pumping pressure is reached 6 Open the return valve to send a pressure surge through the loop to purge any air pockets in the piping system 7 A noticeable drop in fluid level will be seen in the flush cart tank This is the only indication of air in the loop NOTE If air is purged from the system while using a 10 in PVC flu...

Page 39: ...E The status LED will flash fast in Lockout mode and the compressor relay will be turned off immediately Lockout mode can be soft reset via the Y input or can be hard reset via the disconnect The last fault causing the lockout is stored in memory and can be viewed by entering test mode LOCKOUT WITH EMERGENCY HEAT While in Lock out mode if W becomes active then Emergency Heat mode will occur EMERGE...

Page 40: ...d 1111 then go to schedule schedule From here enter either a Weekly or Excep tion schedule for the unit Occupancy Input Contact The WSHP Open controller has the capability to use an external dry contact closure to deter mine the occupancy stares of the unit The Occupancy Sched ules will need to be disabled in order to utilize the occupancy contact input NOTE Scheduling can only be controlled from ...

Page 41: ...heating set point Space temperature reading is valid If unoccupied the SPT is less than the unoccupied heat mg set point OAT if available is less than the heating lockout temperature If all the above conditions are met the heating outputs will be energized as required otherwise they will be deenergized If the heating is active and should the SAT approach the maxi 1hum SAT lhnit the fan will be ind...

Page 42: ...e is causing the compressor to operate in the Cooling mode During Cooling mode the unit cools dehumidifies and disables the HWR coil however once the call for cooling has been satisfied and there is still a call for dehumidification the unit will continue to op erate using the reheat mode and HWR coil WATERSIDE ECONOMIZER The WSHP Open control ler has the capability of providing modulating or two ...

Page 43: ... short the terminals for 3 seconds or cycle the fan 3 times within 60 seconds NOTE The flashing code and alarm relay cycling code will both have the same numerical label For example flashing code 1 will have an alarm relay cycling code 1 Code 1 indi cates the control has not faulted since the last power off to power on sequence Table 27 Complete C Control Current LED Status and Alarm Relay Operati...

Page 44: ...atus LED indicates the current status or mode of the D control The Status LED light is green TEST LED Test LED will be activated any time the D control is in test mode The Test LED light is yellow FAULT LED Fault LED light is red The fault LED will always flash a code representing the last fault in memory If there is no fault in memory the fault LED will flash code 1 and appear as one fast flash a...

Page 45: ...ial plate data Fan Motors _ All units have lubricated fan motors Fan motors should never be lubricated unless obvious dry operation is suspected Periodic maintenance oiling is NOT recolmnended as it will result in dirt accumulating in the excess oil and cause eventual motor failure Conduct annual dry oper ation check and amperage check to ensure amp draw is no more than 10 greater than indicated o...

Page 46: ...an cause compressor flooding NOTE Do not vent or depressurize unit refrigerant to atmo sphere Remove and recover refrigerant following accepted practices Air Coil Fan Motor Removal Before attempting to remove fan motors or motor mounts place a piece of plywood over evaporator coils to prevent coil damage Disconnect motor power wires from motor terminals before motor is removed from unit 1 Shut off...

Page 47: ...can be difficult TXV FAILURE The most COlnmonfailure mode ofa TXV is when the valve fails while closed Typically a TXV uses spring pressure to close the valve and an opposing pressure usually from a diaphragm to open the valve The amount of pressure exerted by the diaphragm will vary depending on the pressure inside of the sensing bulb As the temperature of and pressure within the bulb decreases t...

Page 48: ...or a failed TXV the follow ing must be verified Confirln that there is proper water flow and water tempera rare in the heating mode Confirm that there is proper airflow and temperature in the cooling mode Ensure coaxial water coil is clean on the reside this applies to the heating mode and may require a scale check Refrigerant may be undercharged To verify subcooling and superheat calculations may...

Page 49: ... C at motor Check low voltage connections G Y W R C at motor Check for unseated pins in connectors on motor harness See Fig 42 Test with a temporary jumper between R and G Check motor for tight shaft Perform motor control replacement check Run moisture check See Moisture Check section in Troubleshooting Check for loose or non compliant motor mount Make sure blower wheel is tight on shaft Perform m...

Page 50: ... O_ T _ SUGGESTED I_T_ _t_ _ _T_ A_P 77_ i OR PWBH_Dml _N I _ C040 0 PIN DESCRIP_ 1 JLIk4P_ RN t TO P_ 2 FOR 3 CH_ C_UN O 4 _ UNE SUG_ S_ MA_NG C_E_ _US_NO AMP _NT_T _P 3_43_7 I WARNING APPLYING _AC LINE INP_ W_ PIN TO PIN 2 JUMPER IN P_CE _ PER_NENTLY D_A_E UN T_ Fig 42 ECM Pin Connectors 5O ...

Page 51: ...H AND DOOR SWITCH NO I STHERE24V ACROSS R B C ON THE _NTEGRATED CONTROL I YES DISCONNECT 16PIN HARNESS FROM INTEGIRA TED CONTROL _STHERE 24V ACROSS PIN12 HNt AND PIN12 P_N3 AT THE CONROL YES CHECK HARNESS CONNECTIONS AND WIRE l CHECK 24V SUPPLY l NO _ TO _ _TEGRATEDCONTROL NO _ REPLACE _NTEGRATED CONTROL TURN THERMOSTAT MANUAL FAN SWITCH ON _F AVAL_BLE OR JUMPER BETWEEN R G ON INTEGRATED CONTROL I...

Page 52: ...no water flow in heating Inadequate antifreeze level Improper freeze protect setting 30 F vs 10 F Water temperature out of range Bad thermistor Reduced or no airflow in cooling Air temperature out of range Improper freeze protect setting 30 F vs 10 F Bad thermistor Blocked drain Improper trap Poor drainage Moisture on sensor SOLUTION Check line voltage circuit breaker and disconnect Check for line...

Page 53: ...air filter Reset power or wait 20 minutes for auto exit Unit may be oversized for space Check sizing for actual load of space Check and replace if necessary Ensure thermostat set for heating or cooling operation Check for lockout codes Reset power Check compressor overload Replace if necessary Check Y and W wiring at heat pump Jumper Y and R for compressor operation in Test mode Check G wiring at ...

Page 54: ... much cold vent air Bring entering air temperature within design parameters Check for refrigerant leaks Check blower performance per Tables 9 13 See Insufficient Capacity Check blower performance per Tables 9 13 Recheck loads and sizing check sensible cooling load and heat pump capacity Check compare with unit Installation Manual for typical operating temper atures and pressures chart Check pump o...

Page 55: ...ressor is operating Displays fan speed status Displays compressor capacity Displays current damper position Viewable only if Ventilation DMP Type 2 position or DCV Displays position of economizer valve Displays position of auxiliary reheat valve Viewable only if Leaving Air Auxiliary Heat Type 2 position 1 stage Elect or Modulating Displays space RH Viewable only if Humidity Sensor Installed Displ...

Page 56: ... Active Occupied Disable Enable Disable Enable Disable Enable Disable Enable Inactive Enable Disable Disable Disable Displays unit operating mode Displays how the fan is configured to operate Displays the current occupancy status Displays the origin of the occupancy control Displays OAT Viewable only if OAT is a network broadcast Displays SPT Displays the SPT status Displays the connection status ...

Page 57: ...ble 65 only if Humidity Sensor Installed Determines when to start Dehumidification when occupied Defines the control set point used during unoccupied periods 90 Viewable only if Humidity Sensor Installed Determines when to start Dehumidification when unoccupied Defines the control set point used to start increasing ventilation during occupied periods Viewable only if Ventilation DMP Type DCV Defin...

Page 58: ...anually disable heating operation Provides capability to manually disable cooling operation Defines the minimum acceptable operating temperature for the Supply Air Defines the maximum acceptable operating temperature for the Supply Air Normally set to 100 if 2 position damper type or set to minimum ventilation position if damper type DCV Usually set at 100 Used to limit maximum damper opening in D...

Page 59: ...pm 0 ppm 0 9999 ppm 2000 ppm NOTES Used to set number of fan motor speeds When set to Fan On G output is energized when ever any fan speed is active required for ECM and Fan control board When set to Fan Low output is only energized for Low Speed Defines the number of stages of compression Determines reversing valve signal output type Determines Auxiliary Reheat Coil Type Determines Entering Air E...

Page 60: ...gnore Display Ignore Ignore Display Ignore Ignore Display Display Ignore Display Display Ignore Display Display Ignore Display Display Ignore Display Ignore NOTES Defines the hysteresis applied above the cooling and below the heating set points before an alarm condition will occur Used to calculate the delay time before an alarm is generated after the alarm condition occurs Defines the fixed unocc...

Page 61: ...ion Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53500056 01 Printed in U S A Form 50PT 3SI Pg 62 7 09 Replaces 50PT 2Sl ...

Page 62: ...TALLED Y N __ II START UP IS FAN OPERATING WHEN COMPRESSOR OPERATES Y N __ IF 3 PHASE SCROLL COMPRESSOR IS PRESENT VERIFY PROPER ROTATION PER INSTRUCTIONS Y N __ UNIT VOLTAGE COOLING OPERATION PHASE AB VOLTS PHASE BC VOLTS if 3 phase PHASE AB AMPS PHASE BC AMPS if 3 phase CONTROL VOLTAGE IS CONTROL VOLTAGE ABOVE 21 6 VOLTS Y N __ IF NOT CHECK FOR PROPER TRANSFORMER CONNECTION TEMPERATURES FILL IN ...

Page 63: ...RATE HEAT OF EXTRACTION ABSORPTION OR HEAT OF REJECTION FLOW RATE GPM x TEMR DIFF DEG F x FLUID FACTOR Btu hr SUPERHEAT SUCTION TEMPERATURE SUCTION SATURATION TEMPERATURE __ DEG F SUBCOOLING DISCHARGE SATURATION TEMPERATURE LIQUID LIN_ TEMPERATURE __ DEG F Use 500 for water 485 for antifreeze LId Z 7 C3 LId b b O C3 5 Z q i o iii Z i iii i 6 5 Z o i 97B0038N02 Copyright 2009 Carrier Corporation Ma...

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