Laars MCH Installation And Operation Instructions Manual Download

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LAARS HEATING SYSTEMS

TABLE OF CONTENTS

SECTION 1.
General Information

1A.

Hazards and Your Safety —
Hot Water Can Scald! ................................... 3

SECTION 2.
Installation .................................................

2A.

Location ........................................................ 5

2B.

Heater Placement ......................................... 5

2C.

Piping ........................................................... 5

2D.

Wiring ........................................................... 6

Summary of Contents for MCH

Page 1: ...lified installer service agency gas supplier or call the factory Installation and Operation Instructions Document 2101B Note This document is to be used in conjunction with Document 1080 Installation...

Page 2: ...2 LAARS HEATING SYSTEMS TABLE OF CONTENTS SECTION 1 General Information 1A Hazards and Your Safety Hot Water Can Scald 3 SECTION 2 Installation 3 2A Location 5 2B Heater Placement 5 2C Piping 5 2D Wir...

Page 3: ...d elderly infirm or physically handicapped persons are more likely to be injured by hot water Never leave them unattended in a bathtub or shower Never allow small children to use a hot water tap or dr...

Page 4: ...6 125 17 432 Boiler In Out NPT all sizes 1 Gas NPT all sizes Domestic Hot Water all sizes Inlet Outlet NPT Minimum clearances from combustible surfaces Left Side 2 51mm Right Side 2 51mm Rear 2 51mm F...

Page 5: ...MC125 125 806 32 206 Area indicated is for one of two openings One at floor level and one at the ceiling so the total free area would be double the figures indicated Refer to Document 1080 for more i...

Page 6: ...ATERIAL SUITABLE FOR 105 DEGREES C OR ITS EQUIVALENT HOT TANK AQUASTAT BR WALL THERMOSTAT FIELD SUPPLIED P 24V COM SEN NC NO COM TRANSFORMER BK 24V 115V R Y Y G W ZONE PUMP RELAY GROUNDING CONDUCTOR N...

Page 7: ...s Supply Transformer Tank Stat common Domestic Demand N C Heating Demand N O Tank Pump energized High Limit Switch Inducer Energized Fan Proving Switch Heating Pump energized Flame Roll Out Safety Swi...

Page 8: ...Page 8 LAARS HEATING SYSTEMS Figure 8 Parts Identification...

Page 9: ...OD x 12 1 A2085600 Valve Check NPT 13 7 2ft P2015000 Tubing Copper Type L 7 8 OD 14 1 A2085700 Valve Drain Tank NPT 15 1 E0205000 Temperature Control Electronic 16 1 A2085400 Valve Relief Temp Pressur...

Page 10: ...Page 10 LAARS HEATING SYSTEMS...

Page 11: ...Mini Combo id Page 11...

Page 12: ...CA 93021 805 529 2000 FAX 805 529 5934 20 Industrial Way Rochester NH 03867 603 335 6300 FAX 603 335 3355 480 S Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 FAX 905 844 2635 www laar...