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ENVISION LOW SILL CONSOLE INSTALLATION MANUAL

Unit Mounted Control

The user selects either “Heat/Cool” or “Fan Only” on the

mode switch, then either “High” or “Low” at the blower

speed switch. The temperature can be controlled by

rotating the thermostat control knob.

The “Fan Only” setting provides constant blower operation.

In the “Heat” mode, a call for heat by the thermostat

closes the compressor contactor contacts, energizing the

compressor, which will run until the thermostat is satisfied.

In the “Cool” mode, a call for cooling by the

thermostat energizes the reversing valve and closes

the compressor contactor contacts, energizing the

compressor, which will run until the thermostat is satisfied.

If either the low or high pressure safety switches are

opened, the compressor and reversing valve are disabled

by the lockout relay. Unit operation will resume only after

the voltage to the unit is interrupted or the mode switch is

placed in the “Off” position.

Optional Versatec Microprocessor
Control Features

The Versatec microprocessor board provides control of

the entire unit as well as outputs for status modes, faults

and diagnostics. The control system is a microprocessor-

based control board that is located in the unit control box.

This feature is available for either unit mounted controls

or optional remote wall mounted thermostat. A 9-pin low

voltage terminal strip provides all necessary terminals for

the wall mounted thermostat.

Startup

The unit will not operate until all the inputs and safety

controls are checked for normal operating conditions.

Fault Retry

All faults are retried twice before finally locking the unit

out to prevent nuisance service calls.

Component Sequencing Delays

Components are sequenced and delayed for optimum

unit performance.

Emergency Shutdown

A grounded signal to common or connecting 24 VAC to

the ES terminal places the controller into the emergency

shutdown mode. The compressor and blower operation are

suspended while in the emergency shutdown mode.

Condensate Overflow Protection

The board incorporates an impedance liquid sensor at

the top of the condensate drain pan. Upon a continuous

30-second sensing of the condensate, the cooling

operation of the unit is suspended.

Safety Controls

The microprocessor board receives separate signals from

a high pressure switch for safety, a low pressure switch

to prevent loss of refrigerant charge and a low suction

temperature thermistor for freeze detection. Upon a

continuous 30-second measurement of the fault (immediate

for high pressure), compressor operation is stopped.

Controls cont.

Содержание Envision Series Console

Страница 1: ...on Water Piping Connections Electrical Startup Procedures Troubleshooting Preventive Maintenance Envision Low Sill Console Installation Manual Geothermal Water Source Heat Pump R 410A Refrigerant 0 75 1 5 Ton Single Speed LOW SILL CONSOLE ...

Страница 2: ......

Страница 3: ...ions 17 Electrical Data 18 Blower Performance Data 18 Wiring Schematics 19 25 Controls 26 34 Unit Startup Notes 35 Unit Startup Checklist Unit Startup Steps 36 Operating Parameters 37 Operating Limits 37 Pressure Drop 38 Compressor and Thermistor Resistance 38 Refrigerant Circuit Guideline 39 Heat of Extraction Rejection Data 40 Reference Calculations and Legend 40 Startup Troubleshooting Form 41 ...

Страница 4: ...4 ENVISION LOW SILL CONSOLE INSTALLATION MANUAL Model Nomenclature ...

Страница 5: ... from the packaging if necessary Units in question should also be internally inspected If any damage is noted the carrier should make the proper notation on the delivery receipt acknowledging the damage Water Piping The proper water flow must be provided to each unit whenever the unit operates To assure proper flow use pressure temperature ports to determine the flow rate These ports should be loc...

Страница 6: ... return cabinet shown in dimensional views A D E C G B F LCW09 18 Flat Top Configuration Overall Cabinet Grille A B C D E F G Width Depth Height Grille Lid Grille Length Grille Width 09 12 in 45 1 10 8 22 5 9 2 35 0 6 1 2 3 cm 114 6 27 4 57 2 23 4 88 9 15 6 5 8 15 18 in 50 0 12 8 22 5 9 2 35 0 6 1 3 3 cm 127 0 32 4 57 2 23 4 88 9 15 6 8 3 ...

Страница 7: ...et shown in dimensional views D E F C A G B H 80 LCS09 18 Slope Top Configuration Overall Cabinet Grille A B C D E F G H Width Depth Height Grille Lid Grille Length Grille Width 09 12 in 45 1 10 8 24 0 9 2 35 0 6 1 2 0 22 4 cm 114 6 27 4 61 0 23 4 88 9 15 6 5 1 56 9 15 18 in 50 0 12 8 24 0 9 2 35 0 6 1 2 0 22 5 cm 127 0 32 4 61 0 23 4 88 9 15 6 5 1 57 2 ...

Страница 8: ...CTION BLOWER ACCESS PANEL COMPRESSOR ACCESS PANEL WATER OUT 1 2 in FPT WATER IN 1 2 in FPT 9 5 17 6 21 7 10 2 8 6 2 1 0 8 2 1 25 4 AIR FLOW 2 1 2 1 1 5 38 4 12 0 26 3 9 6 17 6 21 7 33 1 AIR FLOW 33 6 9 1 42 7 1 5 1 5 8 6 2 1 2 10 1 0 WATER OUT 1 2 in FPT WATER IN 1 2 in FPT 12 1 LCC09 12 LCC15 18 ...

Страница 9: ...ox Wall Mount For Chassis w Flat Top Cabinets Optional Fused Non fused Disconnect Optional Ball Valves Optional Hose Kits Handy Box Blower Option Switch Air Filter Left Return Right Return Control Panel Remove For Access To Control Box Air Filter Air Filter Control Panel Remove For Access To Control Box Blower Option Switch On Side Panel Blower Option Switch On Side Panel Optional Hose Kits Option...

Страница 10: ...a x W in mm PSC 5 75 x 5 50 146 x 140 5 75 x 5 50 146 x 140 N A Coax and Water Piping Water Connection Size FPT in mm 1 2 12 7 1 2 12 7 1 2 12 7 1 2 12 7 Coax Piping Water Volume gal l 0 15 0 6 0 18 0 7 0 15 0 6 0 18 0 7 Air Coil Air Coil Dimensions H x W in mm 8 x 22 203 x 559 8 x 22 203 x 559 8 x 30 203 x 762 8 x 30 203 x 762 Air Coil Total Face Area ft2 m2 1 2 0 114 1 2 0 114 1 7 0 16 1 7 0 16 ...

Страница 11: ...sed by the thickness of the shims used Position backplate in desired equipment location To further reduce the operating sound level of the unit 1 8 inch thick rubber matting may be placed under the chassis to eliminate vibration on hard flooring surfaces Make sure back plate is level Mark and cut floor or wall penetrations for electrical wiring water and condensate piping Optional Electrical Disco...

Страница 12: ...m The supply and return water piping should be run through the wall or floor penetration and terminate with a ball valve The piping material used must comply with all local codes Refer to System Cleaning and Flushing procedures Pipe Locations Figure 2 Condensate Drain Location Water Connections Fused Electrical Disconnect Optional Wall Mounted Cabinet Extends to this Point Console Chassis Console ...

Страница 13: ...nded flexible hoses with a swivel fitting should be provided Apply Teflon tape or sealant compound to threaded hose fittings Combination shut off balancing valves should be installed on both the supply and return water lines of the unit Flow control valves should be installed on the water discharge line It is recommended that P T ports be installed on the supply and return water lines Step 9 Set U...

Страница 14: ...ing pieces 1 2 and 3 into the locations directly opposite the original positions Secure by replacing mounting brackets Note Be sure that louvers on the grille assembly are facing the proper direction when replacing the grille section 5 Replace grille frame assembly into cabinet and secure by replacing mounting brackets 6 Replace cabinet by sliding it down over the top of the chassis 7 Remove tab o...

Страница 15: ... to protect the system from dirty water conditions Dirty water will result in system wide degradation of performance and solids may clog valves strainers flow regulators etc Additionally the heat exchanger may become clogged which reduces compressor service life and can cause premature unit failure In boiler tower application set the loop control panel set points to desired temperatures Supply pow...

Страница 16: ...h extremely hard water the owner should be informed that the heat exchanger may require occasional flushing Units with cupronickel heat exchangers are recommended for open loop applications due to the increased resistance to build up and corrosion along with reduced wear caused by acid cleaning Material Copper 90 10 Cupronickel 316 Stainless Steel pH Acidity Alkalinity 7 9 7 9 7 9 Scaling Calcium ...

Страница 17: ...ic Code whichever is applicable 208 Volt Operation All Envision Series 208 230 units are factory wired for 230 volt operation For 208 volt operation the red and blue transformer wires must be switched Microprocessor Remote Thermostat Wiring TB O G Y C R L S X2 X1 W2 Field Connections Unit Connections 24 VAC COMMON COMPRESSOR REVERSING VALVE FAN LOCKOUT SIGNAL SHUTDOWN Requires common connection or...

Страница 18: ...0 13 4 20 208 230 60 1 187 253 7 7 4 9 25 0 0 6 5 5 6 7 10 15 265 60 1 238 292 7 0 4 5 22 0 0 6 5 1 6 2 10 15 15 208 230 60 1 187 253 9 2 5 9 29 0 2 6 8 5 10 0 15 265 60 1 238 292 7 8 5 0 28 0 2 5 7 5 8 7 10 15 18 208 230 60 1 187 253 10 4 6 7 33 5 2 6 9 3 11 0 15 265 60 1 238 292 8 7 5 6 28 0 2 5 8 1 9 5 15 HACR circuit breaker in USA only 6 10 13 Model CFM Low Speed High Speed 09 260 300 12 300 ...

Страница 19: ...R C LP LP Y HP HP CC CG LO R C LP LP Y Transformer 24V Blue 230V 265V Red 208V Black Yellow Black White Black White 1 Red 2 Black 6 Black 7 Blue 8 Blue 9 Violet 5 Violet 4 Yellow 10 Orange 21 Black 29 Red 30 NOTE 1 Black 22 Black 25 White 28 Black 31 Red 32 Brown 26 Black 27 RB 4 2 5 C R Y1 O G L S Terminal Board X2 X1 W1 Brown Brown 3 NOTE 2 RSR 24 V Supply for Start Stop Signal NOTE 3 3 1 FS Gre...

Страница 20: ...e 8 Blue 9 Ther mistor ůĞĐƚƌŽŶŝĐ d ZDK d d T1 T3 ŽŽů ĞĂƚ T2 T4 T6 T5 SHUT DOWN 24 V AC IN PUT T6 T4 T5 T2 T1 T3 Overide Shut down J1 Red Violet 4 Yellow 13 Yellow 10 White 20 Orange 14 Orange 21 Black 29 Red 30 Orange Black 12 White 18 Red 11 Red 19 Red 17 24VAC ŚƵƚĚŽǁŶ Red 15 Red 16 NOTE 1 T ST CC Compressor Contactor HP High Pressure Switch LP Low Pressure Switch RV Reversing Valve Coil ST Enter...

Страница 21: ...ck White White Legend CC Compressor Contactor CO Condensate Overflow DT Damper Terminal Block ES Emergency Shutdown FS Freeze Sensing Device HP High Pressure Switch LP Low Pressure Switch MV Motorized Valve RB Blower Power Relay RV Reversing Valve Coil SW1 DIP Switch 1 HP LP CO T Yellow RV FS Yellow Orange Orange Brown Black Black Blue Blue R P1 ES LO G O Y C R 9 8 7 6 5 4 3 2 1 On Off Test Normal...

Страница 22: ...Switch Switch High Pressure Switch Low Pressure Relay coil Capacitor Thermistor HP LP T 1 Switch Red and Blue wires for 208 volt operation 2 Terminal 2 of the 24V PB is used as L output for Brown wire 3 for Lockout 3 When installed 24VAC connection for remote start stop controller option CC Compressor contactor CO Condensate overflow FS Freeze sensing device HP High pressure switch LP Low pressure...

Страница 23: ... 14 Orange 21 Orange Black 12 White 18 Red 11 Red 19 Red 17 24VAC Shutdown Red 15 Red 16 NOTE 1 T ST CC Compressor Contactor HP High Pressure Switch LP Low Pressure Switch RV Reversing Valve Coil ST Entering Air Temperature Sensor RB Blower Relay Black Black Red 11 Black 12 Red 17 Red 19 Black 25 Red Black 31 Red 32 Brown 26 RB 4 2 5 Red RV Fan Mode Sw Black 22 White 18 Blue T6 NOTE 2 2 Terminal C...

Страница 24: ...ect for 15 degree freeze sensing Field Zone Sensor Wiring 3 Acc 1 output is cycled with the compressor 4 Acc 2 output is cycled with the fan 5 R C Y1 O and G inputs are for use with a wall mounted thermostat A23 A13 A11 A21 A12 A25 A22 Open Jumper Closed Jumper 2 TB R C Y1 O G L X1 X2 24VAC 24V COM Alarm Acc 1 Acc 2 Fan Rev Valve Comp SS AIC RS SC TO Setpoint Shift AI Com Room Sensor Sensor Com Te...

Страница 25: ... G ON ON ON OFF ON ON OFF ON OFF SW1 4 On SW2 Off Drain pan overflow lockout FS thermistor loop 15 F well 30 F lockout High pressure lockout Low pressure lockout Not used Microprocessor malfunction Not Used SW2 status Off down position On up position Drain Water Flow High Press Low Press Air Flow Status DHW Limit HWD LED Normal Display Mode SW1 4 On SW2 On Drain pan overflow FS thermistor loop 15 ...

Страница 26: ...cessor control is self contained control featuring LP LOC HP LWT and condensate overflow fault modes can be displayed on BAS system Optional handheld Medium User Interface MUI Control can be used for additional setup or servicing Program customization is possible This control is suited for both single and dual capacity compressors as well as PSC and ECM2 3 blower motors Commercial applications usi...

Страница 27: ... board that is located in the unit control box This feature is available for either unit mounted controls or optional remote wall mounted thermostat A 9 pin low voltage terminal strip provides all necessary terminals for the wall mounted thermostat Startup The unit will not operate until all the inputs and safety controls are checked for normal operating conditions Fault Retry All faults are retri...

Страница 28: ...sate overflow fault recognition delay 30 seconds Low pressure fault bypass delay 2 minutes Freeze detection fault bypass delay 2 minutes Power on delay 5 minutes Normal Control Timing Operational Logic Blower off delay 5 seconds Compressor on delay 2 seconds Short cycle delay 15 seconds Minimum compressor on time 5 seconds except for fault condition High pressure fault recognition delay Less than ...

Страница 29: ...ycle Protection Allows a minimum compressor off time of four minutes and a minimum on time of two minutes Random Start A delay of 1 to 120 seconds is generated after each power up to prevent simultaneous startup of all units within a building after the release from an unoccupied cycle or power loss Emergency Shutdown A field applied dry contact can be used to place the control into emergency shutd...

Страница 30: ...unt version Zone Sensors There are two options for zone sensors that can be used with the FX10 control Both sensors use a Johnson controls A99 positive temperature coefficient type sensor The TAXXJ02 has a set point adjustment now which will give the end user a 5 F adjustment from the set point as well as a push button that can be used for temporary occupancy The control leaves the factory set to ...

Страница 31: ...witch is open continuously for 30 seconds during compressor operation the compressor output BO 2 will be disabled The compressor will not restart until the compressor short cycle time delay has been satisfied Condensate Overflow The condensate overflow sensing circuit will monitor the condensate level as a resistance input to AI 3 If the condensate water level rises resulting in the input resistan...

Страница 32: ...uded in the history Inputs and Outputs Configuration Field Selectable Options Freeze Detection Limit Set Point BI 5 The freeze detection limit set point input allows you to adjust the freeze detection limit set point AI 5 When the jumper is installed on BI 5 Wire 24 the freeze detection limit set point is factory set for 30 F When the jumper on BI 5 Wire 24 is removed the freeze detection limit se...

Страница 33: ... to Air Welcome Info Status Temps Outputs Settings Maint Alarms Alm History WFI Envision Series PROFXENV XX 3 8 07 Info Run Mode Auto Eff Occup y Occ Y1 Input OFF Y2 Input OFF G Input OFF O Input OFF Occ Input Occ Temp Occ Inp OFF Condensate NML Emg Input Run Lo Press ON Hi Press ON Rndm Tmr 0 BI 4 Input OFF Status Zone Temp 77 2 ºF Dis Air Temp 51 0 ºF Eff Clg Setpt 70 0 F Eff Htg Setpt 66 0 F Wa...

Страница 34: ... History NOTE This FX10 application implements an alarm history which is reset only by cycling power This history shows on the Alm History page Any alarm showing 4 events has occurred more than 4 times Alarm lock outs are reset by cycling power by pressing the ESC and Return keys simultaneously for a minimum of 15 seconds or by commanding the nviAlarmReset over the BAS network Test mode is enabled...

Страница 35: ...Similar in construction to the non fused electrical disconnect The fused disconnect is available in five models with equipment rated fuses to provide additional circuit protection The fuses are panel mounted to allow easy inspection and removal without removing the cover on the disconnect CFD 10 10 amp rated fuse CFD 12 12 amp rated fuse CFD 15 15 amp rated fuse CFD 20 20 amp rated fuse CFD 25 25 ...

Страница 36: ... Cooling setpoint must be set below room temperature 3 Be sure that the compressor and water control valve or loop pump s are activated 4 Verify that the water flow rate is correct by measuring the pressure drop through the heat exchanger using the P T plugs and comparing to unit capacity data in specification catalog 5 Check the temperature of both the supply and discharge water Refer to Unit Ope...

Страница 37: ...8 38 3 0 155 165 415 435 10 14 7 11 7 10 35 45 90 1 5 170 185 435 470 11 18 7 11 8 11 42 50 3 0 174 190 465 500 11 18 7 11 8 11 42 50 110 2 3 3 0 NOTES Cooling performance based on entering air temperatures of 80 F DB 67 F WB 6 20 11 Heating performance based on entering air temperature of 70 F DB Operating Limits Operating Limits Cooling Heating F C F C Air Limits Min Ambient Air 45 7 2 45 7 2 Ra...

Страница 38: ...03 23 43865 40771 808 836 32 33809 31487 841 869 41 26269 24513 875 903 50 20570 19230 910 938 59 16226 15196 946 974 68 12889 12093 981 1013 77 10310 9688 1019 1051 86 8300 7812 1058 1090 95 6723 6337 1097 1129 104 5480 5172 1137 1169 113 4490 4246 1179 1211 122 3700 3504 1221 1253 131 3067 2907 1261 1297 140 2554 2424 1305 1341 149 2149 2019 1350 1386 7 6 10 Pressure Drop Model GPM Pressure Drop...

Страница 39: ... Normal Low Normal High Normal Normal Low High Water Flow Cooling Low Low Low Low High Normal Low Low Indoor Air Temperature Heating Low Low Low Normal High Normal Normal High Low Indoor Air Temperature Cooling Low Low Low Normal Low High Low Low High Indoor Air Temperature Heating High High High Normal High Normal Low Low Normal High Indoor Air Temperature Cooling High High High High Low Low High...

Страница 40: ...gend ABBREVIATIONS AND DEFINITIONS cfm airflow cubic feet minute EWT entering water temperature Fahrenheit gpm water flow in gallons minute WPD water pressure drop psi and feet of water EAT entering air temperature Fahrenheit dry bulb wet bulb HC air heating capacity MBtu h TC total cooling capacity MBtu h SC sensible cooling capacity MBtu h KW total power unit input kilowatts HR total heat of rej...

Страница 41: ...GPM x 500 485 for water antifreeze x T Note DO NOT hook up pressure gauges unless there appears to be a performance problem Line Voltage Loop Open Unit Amp Draw Closed COAX SOURCE HEATING CYCLE ANALYSIS EXPANSION VALVE F AIR COIL F F PSI PSI BRINE IN BRINE OUT COMPRESSOR DISCHARGE SUCTION Subcooling Superheat REVERSING VALVE PSI F SAT F PSI SAT F F F LIQUID LINE F Line Voltage Loop Open Unit Amp D...

Страница 42: ...c pressure Note On open loop systems if the installation is in an area with a known high mineral content 125 PPM or greater in the water it is best to establish with the owner a periodic maintenance schedule so the coil can be checked regularly Should periodic coil cleaning be necessary use standard coil cleaning procedures which are compatible with either the cupronickel or copper water lines Gen...

Страница 43: ...0 1 14P506 02 N A PSC Motor 265 60 1 14P506 02 N A Blower Housing 53P518 02 N A Blower Capacitor 208 230 60 1 16P002D10 N A Blower Capacitor 265 60 1 16P002D37 N A 3 Speed ECM Motor Blower 3 Speed ECM Motor 115 208 230 265 60 1 N A 14P550 01 3 Speed ECM Motor Module 115 208 230 265 60 1 N A 17P577 01 Blower Housing N A 53P514B01 Refrigeration Components Air Coil 61P622 11 61P623 11 Coax 62P558 03 ...

Страница 44: ...44 ENVISION LOW SILL CONSOLE INSTALLATION MANUAL Notes ...

Страница 45: ...45 ENVISION LOW SILL CONSOLE INSTALLATION MANUAL Revision Guide Pages Description Date By All Added 15 18 Models 09 Oct 2013 DS 45 Added Revision Table 09 Oct 2013 DS ...

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Страница 48: ... by WaterFurnace International Inc 9000 Conservation Way Fort Wayne IN 46809 www waterfurnace com 2013 WaterFurnace International Inc 9000 Conservation Way Fort Wayne IN 46809 9794 WaterFurnace has a policy of continual product research and development and reserves the right to change design and specifications without notice IM1010CN 10 13 ...

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