Amerec AI12 Installation Instructions Manual Download Page 17 | Manualshive

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AI

SERIES STEAM BOILER WITH T100 CONTROL

INSTALLATION INSTRUCTIONS

4211-195 05-22-12

Page 17

WIRING:

AI

12,

AI

18 and

AI

24, 208/240/480V 60Hz Models

All wiring must be installed by a licensed electrical contractor in accordance with all applicable local and national codes!
Electrical ground required on all steamers.
Electrical Shock Hazard -- High voltage exists within this equipment.
There are no user serviceable parts within this equipment.
Disconnect all electrical supplies when servicing this equipment.

Note:

Jumper factory installed between fi eld wiring terminal blocks to pick off 120VAC for control circuit. Jumper is not installed on 480V models.

A separate 120V+N service required for control circuit on 480V models

.

HEAT CONTACTORS

BOILER ON

LIGHT

HEAT OKAY

WATER ON

HEAT OFF

LEVEL PROBES

WATER OFF

NEUTRAL

CONTROL

CIRCUIT

FUSE

3 AMP

NON TIME

DELAY

BOILER
OPERATION

MANUAL

RUN

CLOCK

RUN

STEAM VALVE

OPEN LIGHT

MANUAL OPEN

AUTODRAIN CLOCK

(OPTION)

M

3241-02x

POWER & LEVEL CONTROL

PRINTED CIRCUIT BOARD

H

M

L

DRAIN

RELAY

DRAIN VALVE

OPEN LIGHT

ROOM

STATUS

LEDS

DRN

AUTODRAIN

SOLENOID

(OPTION)

OFF

ROOM2 LOCKOUT

NORMAL

STOP FILL

ROOM1 LOCKOUT

ROOM-2

RELAY

ROOM-1

RELAY

HEAT

HEAT

RELAY

FEEDWATER

RELAY

R

OFF

STM

STM

STEAM VALVE

OPEN LIGHT

NORMAL

CLOSE VALVE

WATER VALVE

OPEN LIGHT

NORMAL

CLOSE VALVE

ROOM 2

STEAM

OUTLET

SOLENOID

ROOM 1

STEAM

OUTLET

SOLENOID

FEEDWATER

SOLENOID

BOILER HEATING LIGHT

OPEN

ON RISE

NORMAL

OPEN

ON RISE

H 0

2

PRESSURE

SWITCH 2

PRESSURE

SWITCH 1

RUN CLOCK

(OPTION)

Sensor
Bypass

Room Light

Temp

Sensor

T100

N
Transformer

Transformer

Power
Converter

N

Sensor
Bypass

Room Light

Temp

Sensor

T100

N

Power
Converter

N

R

OOM 1

R

OOM 2

D

N

Interface Box

Interface Box

GROUND

M

1

1

2

3

2

3

ELEMENT

ASSEMBLY

ELEMENT

ASSEMBLY

208/240/480VAC 3 Phase

208/240VAC 1 Phase

L1

L2

L3

N

NOT USED

120V

N

120V

120V

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Summary of Contents for AI12

Page 1: ...4211 195 05 22 12 INSTALLATION INSTRUCTIONS FOR THE AI SERIES STEAM BOILER WITH T100 B TOUCH CONTROL MODELS AI12 AI18 AI24 and MODELS AI30 AI36 AI42 AI48 ...

Page 2: ...TROLS 11 12 TEMPERATURE SENSOR 11 12 STARTING THE BOILER 12 13 OPERATING INSTRUCTIONS 13 15 BOILER START 14 STEAM ROOM OPERATION 14 LIGHTS AND SWITCHES 14 15 ROUTINE MAINTENANCE 15 16 WATER LEVEL CONTROL 15 BLOWDOWN AUTODRAIN 15 16 WIRING DIAGRAM AI12 AI24 208 240 480V 60Hz 17 WIRING DIAGRAM AI12 AI24 240 415V 50Hz 18 WIRING DIAGRAM AI30 AI48 208 240 480V 60Hz 19 WIRING DIAGRAM AI30 AI48 415V 50Hz...

Page 3: ...y pregnant women should consult a physician regarding correct exposure e Obese persons and persons with a history of heart disease low or high blood pressure circulatory system problems or diabetes should consult a physician before using a steambath f Persons using medication should consult a physician before using a steambath since some medication may induce drowsiness while other medications may...

Page 4: ... enclosures are properly sealed to avoid water damage from escaping steam It is recommended that 100 silicone caulk be used to seal all pipes and fittings Steam must be prevented from escaping into the wall cavity Avoid traps and valleys in the steam line where water could collect and cause a steam blockage The hot steam line must be insulated against acciden tal user contact Centering the steam p...

Page 5: ...ntrols for these boilers including the T100 s interface box will operate on 120VAC 60Hz Boilers designed typical international voltages of 220 380V 230 400V or 240 415V operate at 240V N for single phase mains and 415V for three phase mains These boilers may be used safely at the common lower voltages All controls for these boilers including the T100 s interface box will operate on 230V N 50Hz The...

Page 6: ...ng installation using a factory supplied cable An access hole and knockouts trade size are provided for room control wiring The T100 may be mounted inside or outside the steam room and its temperature sensor must be mounted inside the steam room Temperature sensors require factory supplied 25 foot 4 6 m long cables for connection to the T100 s adapter box and a 25 foot 4 6 m long shielded cable is...

Page 7: ...000 208 3 84 1250 35 91 17 1 2 x 27 x 24 444 5 x 685 8 x 609 6 30 240 240 73 30 415 415 43 30 480 480 36 AI36 36 208 36 000 208 3 101 1500 43 109 36 240 240 88 415 51 36 480 480 43 AI42 42 208 42 000 208 3 118 1750 50 127 42 240 240 102 415 59 42 480 480 51 AI48 48 240 48 000 240 3 117 2000 57 145 415 68 48 480 480 58 Notes All models use 120VAC 60 Hz or 240V 50 Hz control circuits 208V 240V and 4...

Page 8: ...n 444mm 18in 460mm Minimum Access 21in 533mm Minimum Access with optional LWCO installed 41in 1 04M without LWCO 61in 1 55M with LWCO 1in 25mm Minimum Clearance without LWCO ELECTRICAL ACCESS LWCO ACCESS 2 1 4in 57mm 5 1 2in 140mm 20in 508mm 25in 635mm 23 1 2in 597mm 6in 150mm Minimum Service Access Electric Power Low Voltage Control Wiring Run Timer optional Drain Timer optional 14 3 4in 375mm 22...

Page 9: ...ure may be between 20 and 100 psi 1 4 to 7 bar Feedwater pressure should be limited to approximately 20 psi 1 4 bar for best performance A water hammer prevention device is factory installed on all steam boiler boilers Excessive water hammer can damage a water valve preventing it from shutting off the water supply to the boiler Special water treatment may be required in your area see AUTODRAIN sec...

Page 10: ...crew underneath the steam head to secure it in place with the Allen wrench provided The steam head should be level with its fragrance reservoir at the top IMPORTANT Check all of the standard fixtures in the steam room All fixture penetrations and steam head insulators must be sealed with 100 silicone caulk to avoid moisture dam age within walls When the steam line is in an area where the temperatu...

Page 11: ...er adapter provided which connects to a nearby 120VAC or 230V outlet Select a location which is convenient to the boiler power control and temperature sensor then mount the box on the wall This loca tion should be dry and keep the box safe from damage Remove the box s cover before mounting by gently pulling out on the sides of the box cover until it slides off Locate the two mounting holes inside ...

Page 12: ...1 at the boiler 2 to 2 and 3 to 3 Use a cable strain relief provided to secure the cable to the interface box 5 INSTALL BYPASS The T100 connects to its own temperature sensor through the interface so the normal boiler tempera ture sensor is not connected Instead a sensor bypass supplied must be plugged into the TEMP SENS jack on the boiler s circuit board as shown at right Orient the bypass plug t...

Page 13: ...he boiler is set to RUN On the boiler the room steam valve should be closed and the ROOM STATUS lights should be off At the Control touch the bottom of the T100 screen to light the display With the icon lit brightly on the display press the OK switch A small should light below the T100 display the interface board s two lights should be lit left light shows power is on right light indicates room sh...

Page 14: ...not build up any pressure during this period When the boiler is started with an empty tank the steam outlet valve s will open to release air pressure created by adding water If not released this air pressure could be sensed by the pressure switch preventing heating When the water reaches the safe heating level the heat will turn on and if the steam bath is not turned on the steam valve s will clos...

Page 15: ...urn off and the heat contactor will open This is the low water cut off level Set the BOILER OPERATION switch to off close the drain and reset all switches to their NORMAL position Reset the thermostat to its original position The boiler is now ready for normal oper ation again BOILER BLOWDOWN AUTODRAIN The boiler is supplied with a manual drain valve and may be equipped with an optional electronic...

Page 16: ...The drain cycle will not operate again until power has been reset To manually drain the generator with an electronic Autodrain installed set the ELECTRONIC DRAIN switch to the MANUAL OPEN position When an electronic drain is installed make sure that the manual drain ball valve is always left in the open position Do not touch the safety valve when the boiler is hot the valve will be dangerously hot...

Page 17: ...CUIT FUSE 3 AMP NON TIME DELAY BOILER OPERATION MANUAL RUN CLOCK RUN STEAM VALVE OPEN LIGHT MANUAL OPEN AUTODRAIN CLOCK OPTION M 3241 02x POWER LEVEL CONTROL PRINTED CIRCUIT BOARD H M L DRAIN RELAY DRAIN VALVE OPEN LIGHT ROOM STATUS LEDS DRN AUTODRAIN SOLENOID OPTION OFF ROOM2 LOCKOUT NORMAL STOP FILL ROOM1 LOCKOUT ROOM 2 RELAY ROOM 1 RELAY HEAT HEAT RELAY FEEDWATER RELAY R OFF STM STM STEAM VALVE...

Page 18: ...T FUSE 3 AMP NON TIME DELAY BOILER OPERATION MANUAL RUN CLOCK RUN STEAM VALVE OPEN LIGHT MANUAL OPEN AUTODRAIN CLOCK OPTION M 3241 04x POWER LEVEL CONTROL PRINTED CIRCUIT BOARD H M L DRAIN RELAY DRAIN VALVE OPEN LIGHT ROOM STATUS LEDS DRN AUTODRAIN SOLENOID OPTION OFF ROOM2 LOCKOUT NORMAL STOP FILL ROOM1 LOCKOUT ROOM 2 RELAY ROOM 1 RELAY HEAT HEAT RELAY FEEDWATER RELAY R OFF STM STM STEAM VALVE OP...

Page 19: ...WATER OFF NEUTRAL CONTROL CIRCUIT FUSE 3 AMP NON TIME DELAY BOILER OPERATION MANUAL RUN CLOCK RUN STEAM VALVE OPEN LIGHT MANUAL OPEN AUTODRAIN CLOCK OPTION M 3241 02x POWER LEVEL CONTROL PRINTED CIRCUIT BOARD H M L DRAIN RELAY DRAIN VALVE OPEN LIGHT ROOM STATUS LEDS DRN AUTODRAIN SOLENOID OPTION OFF ROOM2 LOCKOUT NORMAL STOP FILL ROOM1 LOCKOUT ROOM 2 RELAY ROOM 1 RELAY HEAT HEAT RELAY FEEDWATER RE...

Page 20: ...ILER OPERATION MANUAL RUN CLOCK RUN STEAM VALVE OPEN LIGHT MANUAL OPEN AUTODRAIN CLOCK OPTION M 3241 04x POWER LEVEL CONTROL PRINTED CIRCUIT BOARD H M L DRAIN RELAY DRAIN VALVE OPEN LIGHT ROOM STATUS LEDS DRN AUTODRAIN SOLENOID OPTION OFF ROOM2 LOCKOUT NORMAL STOP FILL ROOM1 LOCKOUT ROOM 2 RELAY ROOM 1 RELAY HEAT HEAT RELAY FEEDWATER RELAY R OFF STM STM STEAM VALVE OPEN LIGHT NORMAL CLOSE VALVE WA...

Page 21: ...e boiler should be ON or the drain should be open and away from the center for OFF or drain closed periods When the clock s pointer is in an area with orange showing its switch will close and turn the boiler ON or open the Autodrain for blowdown NOTE The clocks operate on 120VAC supplied by the boiler s control circuit If this circuit loses power the clocks must be reset to the correct time CONNEC...

Page 22: ...4211 195 05 22 12 Page 22 AI SERIES STEAM BOILER WITH T100 CONTROL INSTALLATION INSTRUCTIONS This page intentionally left blank ...

Page 23: ...em with the primary switch Check the primary switch operation by creating pressure in the boiler Also verify that the pressure gauge shows a smooth and steady pressure increase If the primary switch does not open at the correct pressure or the gauge shows rapid pressure increases release all pressure and remove line voltage from the boiler and clean or repair the pressure control assembly as neede...

Page 24: ...4211 195 05 22 12 Page 24 AI SERIES STEAM BOILER WITH T100 CONTROL INSTALLATION INSTRUCTIONS This page intentionally left blank ...

Page 25: ...TIONS 4211 195 05 22 12 Page 25 Always confirm pattern as printed is to scale before using as a template Some printers will change pattern size during printing APPENDIX 2 T100 ROUGH IN 2 5 8 2 5 8 5 5 3 4 Step 1 Drill four 3 4 holes level and plumb as shown below ...

Page 26: ...ote dashed line shows outside edge of T100 control for reference Always confirm pattern as printed is to scale before using as a template Some printers will change pattern size during printing APPENDIX 2 T100 ROUGH IN continued Step 2 Cut straight edges from hole to hole as shown CUT CUT CUT CUT ...

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