Electro Industries HP-BTC Installation & Operating Instructions Manual Download Page 4

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02/22/2012 2

HI114

Product Configurator

HP-BTC-*

None

120V

24 = 24V

Electrical Data

Model Voltage

Static

Amps

Maximum Load

Amps*

Maximum Source

HP-BTC 120 0.20

9.8

HP-BTC-24 24

0.1

0.77

5.0

*Application/field installation determines zone controlling components activated by this controller.

Summary of Contents for HP-BTC

Page 1: ...g forced air water coil Supplies heat cool call to Northern Heat Pump geothermal systems Electro Industries NorAire system or any manufacturer s Water to Water geothermal heat pump This product conforms to UL standard 873 This product conforms to CSA Standard C22 2 Drawings HX101 HH120 HH121 XX017 DO NOT DESTROY THIS MANUAL PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE REFERENCE BY A S...

Page 2: ...tion 1 Safety Considerations 1 Product Configurator 2 Electrical Data 2 Installation Overview 3 Installation and Hookup 3 Controller Setup 6 V2 00 Setup Programming 12 Buffer Tank Operation 16 Troubleshooting 19 Drawings HX101 HH120 HH121 XX017 ...

Page 3: ...isfy heat calls utilizing a forced air water coil if present and the hydronic water loops The controller will satisfy a chilled water call cooling using the forced air coil loop only The Buffer Tank Controller will not send chilled water through the hydronic loops Initial Inspection Be certain to inspect all cartons and crates as units are received before signing the freight bill Verify that all i...

Page 4: ... BTC None 120V 24 24V Electrical Data Model Voltage Static Amps Maximum Load Amps Maximum Source HP BTC 120 0 20 9 8 15 HP BTC 24 24 0 1 0 77 5 0 Application field installation determines zone controlling components activated by this controller ...

Page 5: ...for your use and convenience Do not apply power to the unit until full installation is complete 24V Hookup Model HP BTC 24 The HP BTC 24 unit will not include a transformer The controller requires 24VAC from another power source heat pump air handler gas furnace or boiler to power the control boards internal to the Buffer Tank Controller In this scenario the zone output block will output 24VAC mea...

Page 6: ... 1C 4 wire thermostat This thermostat will connect to the upper right hand corner of the logic controller terminal labeled STAT 2 In all forced air applications a connection must be made between all thermostat terminals R W G Y Hydronic Thermostat Hookup 1 Connect the slab stat or temperature sensing thermostat wires coming from the hydronic zones to the top terminal block R and the numbered W ter...

Page 7: ...r cable disconnect and reconnect the control board is equipped with a plug in 4 place terminal block Temperature Sensor Plug Before disconnecting the temperature sensor wires from the sensor plug you will notice two red wires are under the red screw and two white wires is under the COM screw The black wire carries data information from each sensor and must be connected to the appropriate OT Outdoo...

Page 8: ... interfaces the heat pump standby heat source if applicable and forced air room thermostat if applicable 2 A small relay circuit board which interfaces and controls the main pump and A Coil Pump is located on the side panel 3 A larger zone control board which interfaces the hydronic zone thermostats and zone pumps is located on the rear of the cabinet All system adjustments will take place on the ...

Page 9: ...trol board Hydronic Zone Priority Zone 1 Only Located on the top right corner of the hydronic zone controller is a switch labeled priority With priority switch in the ON position all heating resources are dedicated to hydronic zone 1 The remaining hydronic zones along with the forced air coil are operational only when hydronic zone 1 is satisfied Note that during priority mode furnace G is interru...

Page 10: ...d by the Warm Air Dial Set point position default pos 3 0 85 F 1 90 F 2 95 F 3 100 F 4 105 F 5 110 F NOTE Due to a feature known as Maintain Tank Target Less Than OT the outdoor sensor must be installed in all applications regardless of front dial setting Standby Switch Located on the front of the Electro Industries Buffer Tank Controller is a two position switch that can be used to manually disab...

Page 11: ...iority to the forced air coil over the heating zones if the stat is not satisfied at the conclusion of the pre set time period p Mode Dial Selects the operational mode of the system This is dictated by the type of HVAC components present and active in the system Switchover Temp Dial During the heating season this dial determines the outdoor temperature at which the heat pump is disabled and the ba...

Page 12: ...is manual and understanding the operation of the switch Select the desired OT Outdoor Temperature where the heat pump is to be shut down and the backup furnace is to be utilized Even though this dial is only utilized when a gas furnace boiler is in the system we recommend setting this dial to 0 position disable in modes 1 and 4 From the factory this switch is set to 0 disable 0 Disable 4 5 F 1 15 ...

Page 13: ...emergency electric boiler Mode Dial C SW Over Dial 0 SOT Dial 0 30min 1 90min 2 180min 3 270min Undersized heat pump with fossil fuel boiler Mode Dial C SW Over Dial 1 15 F 2 10 F 3 0 F 4 5 F 5 10 F 6 20 F 7 30 F SOT Dial 0 30min 1 90min 2 180min 3 270min Undersized heat pump with fossil fuel furnace Mode Dial B SW Over Dial 1 15 F 2 10 F 3 0 F 4 5 F 5 10 F 6 20 F 7 30 F SOT Dial 0 30min 1 90min 2...

Page 14: ...nk controller Below is a screen shot of all factory defaults which can be adjust to allow for better system operation for your application The installer should verify the correct parameters see the CD HELP file This is the basic information section for the PC CD program It is not necessary to perform all steps at this time When the appropriate sections appear in Prestart up Start up or Troubleshoo...

Page 15: ...not b Troubleshooting are convenience functions see Troubleshooting section 7 Read HELP file Description of software settings F or C This determines whether Fahrenheit or Celsius is used When changing between these two you will notice any temperature range will also change but any temperature entries made or uploaded from the board will not change you must make sure the entries are within the new ...

Page 16: ...e two heat pump will turn on as a function of timeout SOT TIME DIAL Outdoor temperature OT Temperature Cooling HI Stage two heat pump is on upon initial cool demand Factory default is 90 F BT Differential After a heating or cooling demand has been initated this temperature is used to develop an operating range at which the actual tank temperature will be kept The smaller the value the tighter the ...

Page 17: ...ia the buffer tank sensors An example would be an incorrectly calibrated sensor A timer known as Zone Call Safety Run Time SOT is used to detect such an issue If this timer expires before the heat call is satisfied the buffer tank controller will go into an error mode delivering a portion of heat to the space The HP Y1 output is also cycled ON OFF every 15 minutes HP Y2 output is turned off Factor...

Page 18: ...heat pump in times when it use will not be required Example would be cooling season with no cooling load in the HVAC system With the switch in enable the heat pump is enabled to operate based on room thermostat With the switch in disable the heat pump is disabled Buffer Tank Operation Buffer Tank Turn Over One of the challenges involved in the operation of a hydronic buffer tank system is the inab...

Page 19: ... an O to the heat pump signaling the heat pump s reversing valve to reverse refrigerant flow If the heat pump is a 2 stage unit first stage cooling Y1 will be the usual operating condition The buffer tank system controller will only send a second stage cooling call Y2 to the heat pump if unusual conditions occur such as 1 The outdoor temperature is greater than 90 F 2 The expiration of SOT timeout...

Page 20: ...eating in the space in this application due to no hydronic heating ability in standby mode Special care must be taken with this concept in design with regards to standby operation Example It must be realized that when the SW OVER dial is set in this mode there will be no hydronic heating below set balance point The same is true for power company interrupt rates as well as front over ride switch Ad...

Page 21: ...h bad second on and second off alternating Safety Backup Defective Buffer Tank Temperature Sensor Particularly in northern climates a defective buffer tank temperature sensor BT can set in motion a series of events which can result in the heat pump shutting down because pressure faults To protect the home from a possible freeze up situation Electro Industries has designed the Buffer Tank Controlle...

Page 22: ...pump problem is encountered placing the front panel switch in the up position will transfer the roomstat signal to the auxiliary boiler Depending upon the pump configuration it should follow with the functioning auxiliary boiler but local HVAC contractor needs to verify Alarm Fault Active The status LED and alarm output continue until power off reset The Buffer Tank Controller will attempt to main...

Page 23: ... SET UP FOR COOLING ALL PIPING MUST BE INSULATED WARNING THESE ARE SUGGESTED AND CONCEPT DRAWINGS INSTALLER IS RESPONSIBLE FOR ALL EQUIPMENT ADDITIONAL COMPONENTS AND DETAILING REQUIRED BY LOCAL CODES 4 BUFFER TANK P1 P 8 P2 P1 4 P RADIANT FLOOR ZONES WATER PUMP BLOWER COIL 3 COIL GEO UNIT 2 1 1 WATER TO WATER HP 1 NHP GEO BUFFER TANK SYSTEM Zero pressure open loop See sheet 7 for Buffer Tank Cont...

Page 24: ...ER TANK SYSTEM Pressure tank closed loop See sheet 7 for Buffer Tank Controller This is designed as an integral part of the system HX101 Rev 16 10 4 2011 Sheet 2 of 8 1 SAFETY RELIEF IS REQUIRED 2 CLOSE COUPLED TAP P2 PUMP MUST ALSO CONTROL P1 PUMP PART OF HP BTC 3 IF SET UP FOR COOLING ALL PIPING MUST BE INSULATED 4 WHEN USING BTC MODE B THIS CAN BE A GAS FURNACE ...

Page 25: ...PLED TAP P2 PUMP MUST ALSO CONTROL P1 PUMP PART OF HP BTC 3 IF SET UP FOR COOLING ALL PIPING MUST BE INSULATED 4 WHEN USING BTC MODE B THIS CAN BE A GAS FURNACE 5 P0 IS CONTROLLED BY ZONE BOARD W OUT AND POWER RELAY NHP GEO BUFFER TANK SYSTEM Pressure tank closed loop Zone valve or manifold actuators HP BTC controller must be converted to 24V output see sheet 7 HX101 Rev 16 10 4 2011 Sheet 3 of 8 ...

Page 26: ...ssure tank closed loop Manifold actuators HP BTC controller must be converted to 24V output see sheet 7 HX101 Rev 16 10 4 2011 Sheet 4 of 8 1 SAFETY RELIEF IS REQUIRED 2 CLOSE COUPLED TAP P2 PUMP MUST ALSO CONTROL P1 PUMP PART OF HP BTC 3 IF SET UP FOR COOLING ALL PIPING MUST BE INSULATED 4 WHEN USING BTC MODE B THIS CAN BE A GAS FURNACE 5 P0 IS CONTROLLED BY ZONE BOARD W OUT AND POWER RELAY ...

Page 27: ... CCW 1 SAFETY RELIEF IS REQUIRED 2 CLOSE COUPLED TAP P2 PUMP MUST ALSO CONTROL P1 PUMP PART OF HP BTC 3 IF SET UP FOR COOLING ALL PIPING MUST BE INSULATED 4 WHEN USING BTC MODE B THIS CAN BE A GAS FURNACE 5 CONTROLLED BY HP BTC OR HP BTC 24 V3 NHP GEO BUFFER TANK SYSTEM Pressure tank closed loop Buffer Tank Controller V3 has 2 tank option Back up gas or EB boiler can be added as shown HX101 Rev 16...

Page 28: ...R TANK SYSTEM Add auxiliary boiler option Mode C Gas boiler or EB MS As zero pressure must have check valves at pump inlet as shown HX101 Rev 16 10 4 2011 Sheet 6 of 8 1 PUMP CHECK VALVES REQUIRED EXAMPLE GRUNDPHOS UPS15 58FC OR TACO 00R MSF1 1FC 2 STAND BY OR BACK UP AUXILIARY BOILER BTC MODE C OR D PROVIDES WIRING AND CONTROL 3 STAINLESS STEEL OR EQUIVILANT VESSEL PIPING ...

Page 29: ...NIPPLE D 48 3 3 NOTES 1 SUPPLIED WITH TANK 2 ALL HEADERS INCLUDE CHECK VALVE 3 80 GAL SHOWN 30 GAL HAS A SINGLE ZONE CONNECTION ON THE LEFT SIDE 3 MODEL DIAMETER D GALLONS ZONE PORTS BT 030 N 13 30 1 BT 040 N 17 40 2 BT 080 N 22 80 2 ZONE CAPABILITIES ZONES BT BASIC MANIFOLD 2 30 1 4 30 2 4 40 2 6 40 3 4 80 2 6 80 3 8 80 4 BUFFER TANK PRODUCT Zero pressure HX101 Rev 16 10 4 2011 Sheet 7 of 8 3 30 ...

Page 30: ...NE BOARD BLACK AND WHITE WIRES FROM SOURCE T B 2 ADD 1 4 PUSH ON TO THESE WIRES AND CONNECT AT LOWER LEFT 24VAC AND C TABS 3 INSTALLERS RESPONSIBILITY TO DETERMINE VA AND REPLACE EXTERNAL TRANSFORMER AS REQUIRED AIR STAT STANDARD 4 WIRE UTILITY LOAD CONTROL BLOWER GAS FURNACE GAS BOILER SOURCE PUMP COIL PUMP NORAIRE PUMP CONTROL UNIQUE OT RESET FEATURE OT SENSOR BT SENSOR SLAB STAT 1 8 ZONES 1 2 T...

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Page 36: ...acement Labor Allowance Schedule for a period of ninety 90 days from the date of original purchase to the original owner at the original installation site The Repair Replacement Labor Allowance is designed to reduce the cost of repairs This Repair Replacement Labor Allowance may not cover the entire labor fee charged by your dealer contractor TWENTY YEAR 20 LIMITED WARRANTY ON BOILER ELEMENTS AND ...

Page 37: ...ubject to adjustment upon verification of defect 2 Any product or product part that has been damaged as a result of being improperly serviced or operated including but not limited to the following operated during construction phase with insufficient water or air flow allowed to freeze subjected to flood conditions subjected to improper voltages or power supplies operated with air flow or water con...

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