Electro Industries Mini-Boiler EMB-1 Installation & Operating Instructions Manual Download Page 1

Page: 1 / 18

08/07/2008

BI305

Electric

Mini-Boiler

- 120V Model -

Installation & Operating

Instructions

Model EMB-2

2.5 kW

2 GPM minimum flow

Model EMB-4

5 kW

3 GPM minimum flow

Model EMB-1

1.1 kW

Display or Demo

Application

- Low temperature, low pressure, radiant underfloor heating systems.

Comment

- If this application is for traditional hydronics heating requiring temperatures greater

than 14Ø

and capacities larger than shown above, contact factory for other Electro-Boiler

product series.

Note:

This product meets the requirements of the ASME Boiler and Pressure

Vessel Code.

Drawings:

BX301

BH309
BS310
BL001

Summary of Contents for Mini-Boiler EMB-1

Page 1: ...mo Application Low temperature low pressure radiant underfloor heating systems Comment If this application is for traditional hydronics heating requiring temperatures greater than 14Ø and capacities larger than shown above contact factory for other Electro Boiler product series Note This product meets the requirements of the ASME Boiler and Pressure Vessel Code Drawings BX301 BH309 BS310 BL001 ...

Page 2: ...n Requirements 3 Mechanical Installation 3 Water Fill Procedure 4 Electrical Hookup 5 Operational Tips 7 Drawings Piping install kit BX301 Hook up BH309 Internal Wiring reference information BS310 Boiler Accessories BL001 Note EMB 1 is for display only with plug in cord This has special wiring and 240 elements in series The drawings above do not apply Also transformer must have 120V decal ...

Page 3: ...se the concrete slab temperature slab stat Coordinated with the concrete pour install a PVC minimum bend radius of 7 inches and locate at approximately center vertical of the concrete slab The thermostat sensing bulb can later be pushed down this PVC conduit If the slab is already poured without conduit for slab stat use electronic remote sensing thermostat such as Electro Industries ES 24 SRO Thi...

Page 4: ... Two unbalanced zones smallest zone requires less than of the boiler capacity in this case the temperature controlling aquastat must turn off both elements Cut one of the red white wires going to the 160 screw in hi limit and electrically insert an open with temperature rise aquastat switch contact Set the aquastat below the 160 limit value which allows the aquastat to turn off both elements Note ...

Page 5: ... any needed installation of the gas oil boiler pump plumbing system design hydronics systems or backup gas oil boiler etc Any instructions or comments made within this manual or factory phone assistance relating to the gas oil furnace are provided as comments of assistance and helps only CAUTION Hazards or unsafe practices could result in property damage product damage severe personal injury and o...

Page 6: ...tion The intent of this connection is temporary and for fill purposes only The installer has the responsibility of complying with local building codes Local codes may require a backflow preventor when the domestic water supply line is fixed to the boiler mechanical piping WATER ADDITIVES 1 Unless the source water is unusually poor and or rust elements additives are not required It is recommended t...

Page 7: ...t come from its own source Wiring entrance must be left KO do not combine with thermostat cable or other control wiring 4 Operating Thermostat zone valve dry contact end switch is an operating contact direct wired thermostats include Standard Mechanical connect to control board R and W Important Set thermostat internal heat anticipator to Ø 2 Electro Stat ES 24 SRO 4 wire connection required This ...

Page 8: ...perature control and the zone radiation must adequately handle the full boiler capacity Do not use this simple two zone scheme for unbalanced zones or more than two The WarmFlo series product EMB W 9 is specifically designed for unbalanced or multi zone applications 7 Inspection final check Verify all electrical connections are tight including factory connections verify there is proper spacing bet...

Page 9: ...s limit 4 Via a small pin jumper arrangement on the control board the circulator pump can be a direct function of the W input or interrupted by the load control device even though there is a W input This diagram illustrates this pin jumper arrangement This unit is factory setup in the W position meaning the pump will always run as a direct function of R to W operating thermostat By simply moving t...

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Page 12: ...C CONTACT DEVICE IN PLACE OF THE JUMPER CAN OPEN ELEMENT 2 AND REDUCE OUTPUT CAPACITY 6 TRANSFORMER FOR INTERNAL CIRCUITS ONLY ZONE VALVES ETC MUST HAVE THEIR OWN 24V SOURCE 7 HIGH VOLTAGE LOW VOLTAGE WIRING MUST HAVE MINIMUM 1 SPACING NEUTRAL 120VAC CIRCUIT BREAKER ARL PUMP TB2 C TB2 R TB2 W TB1 TB1 W3 W2 UPCB5620 BLU WHT COM NO BLUE T10 TB1 COM NO T9 T8 T7 CS C W R TB2 LED1 W1 HEAT ON 1 J2 LED2 ...

Page 13: ...NT RATING UAS300 CIRCULATING PUMP SWITCH CLOSURE POWER CIRCUIT IS EXTERNAL CONTACT RATING 10A AT 120 VOLTS L2 G G L1 L2 T STAT CABLE T4 T3 ZONE 1 VALVES ZONE 1 2 Thermostats Room C R W C 1 M W 24V C 120V C W 1 M ZONE 2 R C W 5616 TRANSFORMER R TYPICAL ZONE VALVE 2 WIRE STAT ISOLATED END SWITCH EXAMPLE HONEYWELL V8043F SERIES OR EQUIVALENT 4 WIRE THERMOSTAT CABLE 4 WIRE THERMOSTAT CABLE RED RED RED...

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Page 15: ...tem for Brand X boilers or dual EB R L E Series EB ZC 4 wiring and convenience interface isolated boiler end switch EB 5415A low cost 2 or 3 zones sheds one boiler stage Mini Boiler enhancement ZONE CONTROLLER SLAB STAT Sensing and controlling the system based upon radiant ﬂoor surface temperature or the concrete mass has very positive beneﬁts Radiant ﬂoor air stat in the same area as a forced air...

Page 16: ...es boilers come standard equipped with outlet temperature pressure gauge pressure relief safety valve and when applicable the WarmFloTM electronic control sensors These kits provide the additional components for easy installation 5585 Mini Boiler 10 kW TS Series 5586 TS Series Standard 5578 3 4 Pipe 5582 1 Pipe 5579 1 1 4 Pipe 120V 1 25 HP maintenance free wet rotor circulator Pump curve example 5...

Page 17: ...ade 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 throug...

Page 18: ...ill 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 maintained in good operating condition 6 All lines must be checked to confirm that all condensation drains properly fr...

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