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Electro Industries HeatChoice EH Series, Руководство пользователя

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Electro Industries HeatChoice EH Series Скачать руководство пользователя страница 10

08/30/2007 8 

 

EI203 

ELECTRICAL HOOKUP 

 

Note

: All heat/cool functions for this dual heat system originate from a standard 4-wire (heat/cool) room 

thermostat.  Do not install with a 2-stage heat/1-stage cool or a heat pump room thermostat.  Also do not 
install using two individual thermostats. 

 

1.

 

24Ø VOLT SOURCE - Route and wire from the appropriate service entrance panel directly to the 
HeatChoice circuit breakers, use only 

copper 

connected to breakers.  The service entrance disconnect and 

24Ø volt wire shall be sized according to the HeatChoice nameplate rating.  The circuit breakers within this 
unit qualify as the appropriate local disconnect. 

-

 

If using single-feed wiring (15 or 20 kW), optional CB bus bars are available, order 

EM-

5716

 (25 kW, EM-5717). 

 

2.

 

GROUNDING - Route and install the appropriate size conductor wire between the HeatChoice lug labeled 
"ground" and the building service entrance panel ground bus.  Use NEC code requirements for grounding 
wire size.  The conduit is not a sufficient ground conductor. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

3.

 

CONTROL WIRING (reference schematic ES201) – The section assumes gas furnace has an appropriate 
fan center or appropriate equivalent wiring terminals with 40VA or larger integral transformer and blower 
relay with “G” function. 

a.

 

Room thermostat – use only basic 4-wire, heat/cool type.  Route the standard R, W, G, Y roomstat 
screw functions to the HeatChoice DHC control board top tab/screw terminal adapters.  Use wire to 
wire same letter connection. 

b.

 

Air conditioning, outdoor unit – this should be a 2-wire hookup, typically represents the contactor 
coil.  Connect one wire to the top “Y2” terminal and the second to a bottom “C” terminal. 

c.

 

Gas (or oil with fan center) furnace – the furnace should have a 4 or 5-wire terminal block and 
match the control board bottom four terminals – R, W, G, C. 

-

 

The furnace may also contain a “Y” screw, this is only needed if it is a variable speed (DC 

Содержание HeatChoice EH Series

Страница 1: ... and follow the appropriate section APPLICATION DUAL HEAT COMBINE THIS ELECTRIC PLENUM HEATER WITH STANDBY GAS OR OIL FURNACE WITH OR WITHOUT STANDARD AIR CONDITIONING STANDARD FURNACE BLOWER OR VARIABLE SPEED BLOWER NON HEAT PUMP FURNACE FAN CENTER WIRING BOARD EQUIVALENT REQUIRED This model is also the best choice for total electric conversion or wood furnace see appropriate section in this inst...

Страница 2: ...2 Mechanical Comments 3 Mechanical Installation Steps Upflow 5 Mechanical Installation Steps Downflow 6 Mechanical Installation Steps Horizontal 7 Electrical Hookup 8 Power On Startup 9 Operational Tips 10 Manual Reset 10 Additional Applications 11 Drawings EA107 EA111 EH101 EC001 ES201 UAI012 ...

Страница 3: ... heat for gas furnace only The additional application section provides installation comments for oil furnace wood furnace and total electric disable gas oil burner This HeatChoice unit contains several patented mechanical airflow and electrical control features The intent of these features is to reduce installation labor and add quality performance Since these patented features cause this unit to ...

Страница 4: ...will void the product warranty the ARL certification label and manufacturer product liability Electro Industries Inc cannot be held responsible for field modifications incorrect installation and conditions which may bypass or compromise the built in safety features and controls SPECIFICATIONS TABLE 1 Model Number EH 05 EH 10 EH 15 EH 20 EH 25 kW Rating 5 10 15 20 25 Voltage Phase 240 1 240 1 240 1...

Страница 5: ... Carefully examine all sides of the plenum Visualize an ideal location for the HeatChoice and follow all the details of the appropriate installation diagram Verify all transitions have angles less than 30 the HeatChoice is centered within the plenum and there are no odd shaped angles or odd shaped transitions within the plenum One or more of the following will apply a No A Coil follow drawing EA10...

Страница 6: ... return cabinet or the suction at the filter cabinet door Do not assume because there is a register on the wall the hole behind the register or the passageways are equal to this register Sharp offsets and transitions in the cold air return system often cause severe restrictions Expect to add additional registers or a relief register in the main cold air return duct 8 BLOWER CFM CAPACITY The furnac...

Страница 7: ...enum strengthening bars or S clips Verify there are no flanges or obstructions around the opening to prevent air from entering the HeatChoice double plate air cooler If vertical strengthening bars are used they must be placed on the inside surface of the plenum 5 Extend the HeatChoice V channel to butt against the plenum back surface or the installed deflector opposite the cut in hole After HeatCh...

Страница 8: ...ng Cool air from the bower must blow between these two plates Therefore the Elector Mate must be inserted into the base plenum such that the mounting plate is even with the edge of the hot air outlet hole Do not necessarily line up the HeatChoice control box with the furnace cabinet front The concern is the hole in the bottom of the furnace mating with HeatChoice elements 5 Cutting the correct hol...

Страница 9: ...zontal plenum bottom assuming this is the furthest distance between coil and HeatChoice Turned A coil similar to an upflow the HeatChoice must be inserted in line with the A coil with the HeatChoice deflector centered on the inverted A and as close as possible to the coil inverted A top 6 Cut the HeatChoice insert hole into the plenum at the predetermined location The size of this hole will depend...

Страница 10: ...ce lug labeled ground and the building service entrance panel ground bus Use NEC code requirements for grounding wire size The conduit is not a sufficient ground conductor 3 CONTROL WIRING reference schematic ES201 The section assumes gas furnace has an appropriate fan center or appropriate equivalent wiring terminals with 40VA or larger integral transformer and blower relay with G function a Room...

Страница 11: ...crew The thermostat G wire must pass through the HeatChoice DHC module from top point to the bottom point 5 DOWNFLOW OR HORIZONTAL ONLY HI LIMIT PROBE EM5714 shipped loose in control box cabinet Install probe as close as possible below Electro Mate on the right side see drawing EA104 Within the upper right portion of the main control box locate one of the two wire nuts that join a red wire from th...

Страница 12: ... 2 or equivalent UFUSE0440 for replacement 4 BLOWER RESPONSE The blower has an approximate 15 second turn on delay and will continue from 45 seconds to one minute after electric element power is turned off via the room thermostat This is necessary to properly cool off the elements 5 SYSTEM TEMPERATURE RISE The overall temperature rise both sides of HeatChoice must be within the maximum specificati...

Страница 13: ...hout the use of side deflectors Add deflectors per drawing EH101 C 1 d HeatChoice installed above an A coil where the HeatChoice sits directly on top of the A coil without side deflectors Add deflectors per drawing EH101 C 1 ADDITIONAL APPLICATIONS Oil furnace isolation contacts are required at oil burner control T and T and terminals If you do not have a fan center with proper isolated contact cl...

Страница 14: ... system fault associated with inadvertent circuit breaker manual reset hi limit etc If the HeatChoice unit is undersized intentionally or unknown this plug in option will also automatically switch to standby heating if the HeatChoice electric unit cannot maintain temperature set point Remote emergency or override switch a simple toggle switch can easily be remotely located and connected between th...

Страница 15: ...sition related to the elements 5 The Electro Mate V must be installed parallel to A frame of the coil and as close as possible to the A coil top 6 Side deflectors are required with A coil see figure C 1 and C 2 7 Shown is 20kW model 10 15kW models have the element stack 1 5 lower thus the 3 can be considered 1 min 25kW 5 8 WarmFlo supply sensor ST is installed 12 above Electro Mate enclosure direc...

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Страница 20: ...e values 3 LMC K1 K2 GRAY T5 R 170 HL7 250 HL6 RED GRAY BLU WHT ORG BLK RED WHT RED WHT K3 RED RED 6 T4 T3 T10 6 WHT BLU GRAY BLUE 3 5 2 ORANGE TO J1 1 3 5 2 1 J1 BLACK BLACK BLACK BLACK E2 E4 E1 E5 RED CB1 60A L1 L2 BLACK K1 2 118 BLACK RED BLACK HL1 BLACK K1 1 BLACK BLACK L1 BLACK CB2 60A L2 RED K2 2 118 BLACK BLACK BLACK HL4 RED K2 1 BLACK HL2 118 BLACK HL3 118 E8 BLACK E6 BLACK L1 CB3 30A L2 R...

Страница 21: ...ISED A 10 19 05 Rev A 10 19 05 Updated hi limit temperature values T STAT CONNECTION T4 T3 6 3 5 2 J1 1 T10 R T1 T2 W T11 G Y T13 Y2 T12 T18 T17 T16 T15 T20 T21 T22 T19 3 NO BL NC COM EL SB A T5 R R T6 W T9 G T14 C T7 C T8 FAN CENTER CONNECTION RED 250 HL5 170 RED HL6 RED RED WHT RED WHT CB2 60A K1 LMC CB1 60A L1 L2 BLACK BLACK E5 L1 L2 K2 ORANGE BLUE BLU WHT 6 5 GRAY WHT BLU 3 1 2 TO J1 BLACK BLA...

Страница 22: ...LEMENT E CB REVISED A 10 19 05 Rev A 10 19 05 Updated hi limit temperature values L1 CB1 45A L2 CB2 45A L1 L2 HL2 RED K1 2 E1 BLACK BLACK HL1 BLACK 118 E2 K1 1 RED BLACK E4 BLACK BLACK BLACK BLACK 118 HL3 E6 RED BLACK K2 2 BLACK HL4 118 BLACK E3 K2 1 RED BLACK BLACK 118 BLACK DHC FAN CENTER CONNECTION R R G W C C EMDHC5626 T5 T6 T9 T14 T8 T7 T10 T4 HL T3 3 6 5 3 2 1 R J1 W T1 T2 Y G Y2 T13 T11 T12...

Страница 23: ...IT BOARD 2 1 TB T SYMBOL LEGEND ELEMENT RELAY CONTACTS K K E REVISED A 10 19 05 Rev A 10 19 05 Updated hi limit temperature values L1 LMC K1 ORANGE GRAY BLUE BLU WHT 6 5 3 1 L2 E3 BLACK BLACK TO J1 HL2 RED K1 2 E1 BLACK BLACK HL1 BLACK 118 E2 K1 1 RED E4 BLACK BLACK BLACK BLACK BLACK 118 DHC FAN CENTER CONNECTION R R G W C C EMDHC5626 T5 T6 T9 T14 T8 T7 T10 T4 HL T3 3 6 5 3 1 R J1 W T1 T2 Y G Y2 T...

Страница 24: ...BLOCK TAB CIRCUIT BOARD 2 1 TB T SYMBOL LEGEND ELEMENT RELAY CONTACTS K K E REVISED A 10 19 05 Rev A 10 19 05 Updated hi limit temperature values RED BLACK BLACK 250 HL3 LMC K1 L2 2 1 L1 RED K1 2 118 BLACK HL1 RED K1 1 BLACK HL2 118 FAN CENTER CONNECTION T14 EMDHC5626 DHC T9 T6 T5 R R W G T8 T7 C C A SB T19 BLU WHT 170 HL4 RED RED 6 BLUE GRAY ORANGE 5 3 TO J1 1 T4 HL T3 T10 3 6 EL T21 COM T22 NC T...

Страница 25: ...de by Electro Industries or its authorized representative Electro Industries will cover reasonable labor costs to repair defective product or product parts for ninety 90 days after installation TWENTY YEAR 20 LIMITED WARRANTY ON BOILER ELEMENTS AND VESSELS Electro Industries Inc warrants that the boiler elements and vessels of its products are free from defects in materials and workmanship through...

Страница 26: ...in the installation and instruction manual and all state and federal codes and statutes If not the warranty will be null and void 4 The purchaser shall have maintained the product in accordance with the manual that accompanies the unit Annually a qualified and licensed contractor must inspect the product to assure it is in proper working condition 5 All related heating components must be maintaine...

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