Laars Mini-Therm II JV Скачать руководство пользователя страница 9

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Mini-Therm II Hydronic Boiler

Page 9

Air Scoop

Boiler

Zone Pumps

(must be sized properly)

Flo Checks

(installed at
proper places)

12"
max

Boiler

Pump

Feed
Water
Inlet

Figure 6. Typical Plumbing Installations.

Air Scoop

Boiler

Bypass Valve
(Ball Valve)

Zone Pump

Feed
Water
Inlet

Air Scoop

Boiler

Bypass Valve
(Ball Valve)

Zone Pump

Purge
System

Optional

Pump

Location

Feed
Water
Inlet

Air Cushion Type
Expansion Tank

Optional
Feed Water
Inlet

Air Scoop

Boiler

Zone Pumps

(must be sized properly)

Flo Checks

(installed at
proper places)

Bypass
Valves

Feed
Water
Inlet

Multi-Zone
Valve System

Multi-Zone
Pump
System

Primary
Secondary
Multi-Zone
Pump System

Primary/Secondary Multi-Zone Valve System

Primary/Secondary Multi-Zone Valve System
Low Temperature Installation

KEY:

PUMP

CHECK VALVE

VALVE

ZONE VALVE

UNION

AUTO AIR BLEEDER

Single Circuit System

12"
(305mm)
max

Air Scoop

Boiler

Zone Pump

12"
max

Boiler

Pump

Feed
Water
Inlet

12"
(305mm)
max

Содержание Mini-Therm II JV

Страница 1: ...or explosion may result causing property damage personal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT T...

Страница 2: ...1H Venting 7 1H 1 Common Venting System 8 1I Water Piping of Boiler System 8 1I 1 By pass Piping 8 1J Chilled Water Systems 10 1K Electrical Wiring 10 1L Filling the System 12 SECTION 2 Installation...

Страница 3: ...installation Consult the Laars factory or local factory representative with any problems or questions regarding this equipment Experience has shown that most operating problems are caused by improper...

Страница 4: ...Temperature rise must be measured with the longest highest head zone calling for heat alone Other factors to be considered before selecting a pump are pipe size the number of fittings throughout the s...

Страница 5: ...gas piping from the gas meter to the boiler 3 A trap drip leg must be provided ahead of the gas controls see Figure 4 A manual gas shutoff valve must also be provided for service convenience and safe...

Страница 6: ...an indication of an undersize gas meter and or obstructed gas supply line 5 The correct burner manifold gas pressure is stamped on the rating plate The regulator is pre set at the factory and normally...

Страница 7: ...de with rustproof sheet metal screws IMPORTANT NOTE Do not use sheet metal screws at the snap lock joints of Type B gas vents Do not weld or fasten the vent pipe to the boiler draft diverter The weigh...

Страница 8: ...ate valves at the boiler inlet and outlet so it can be isolated for service Check local codes for specific plumbing requirements before beginning the installation An ASME pressure relief valve is supp...

Страница 9: ...Water Inlet Air Cushion Type Expansion Tank Optional Feed Water Inlet Air Scoop JV Boiler Zone Pumps must be sized properly Flo Checks Flo Checks installed at proper places Bypass Valves Feed Water I...

Страница 10: ...he cooling cycle 1K Electrical Wiring Follow these instructions to make the necessary initial electrical connections 1 Remove the two screws attaching the front cover of the control box 2 There are fo...

Страница 11: ...al Code Part 1 in Canada Do not rely on the gas or water piping to ground the metal parts of the boiler Plastic pipe or dielectric unions may isolate the boiler electrically Service and maintenance pe...

Страница 12: ...lified electrical technician make the necessary measurements to properly set the thermostats 1L Filling the System It is crucial to the efficient operation of the system that all air be removed from t...

Страница 13: ...For primary secondary pumping Connect to W in lieu of A Boiler relay is used for boiler pump and connection to W will energize boiler pump when any zone is calling for heat Wiring with Taco Zone Valv...

Страница 14: ...m pressure with the boiler pressure gauge before beginning regular operation SECTION 2 Operation and Maintenance 2A 1 System Start Up WARNING Do not use this appliance if any part has been under water...

Страница 15: ...n all the way and hold in Immediately light the pilot with a match using the match holder Continue to hold the control knob in for about one 1 minute after the pilot is lit Release knob and it will po...

Страница 16: ...eratures are approximate 2C Maintenance 1 Lubricate the water circulating pump per the instructions on the pump 2 If a strainer is employed in a pressure reducing valve or the piping clean it every si...

Страница 17: ...ge test the circuit between the red wire on the transformer and terminal 4 on the pump relay from terminal 6 on the pump relay and the A connection on the terminal board and from the purple wire termi...

Страница 18: ...oiler of higher input 7 Pump noisy A Air in volute A Bleed air from volute Check pump alignment B Worn coupling or bearings B Replace worn parts 8 Boiler pounding A Too low water flow through boiler A...

Страница 19: ...ble and ground wire Clean flame rod Check electrical connections between flame rod and module Check for cracked ceramic flame rod insulator Check that pilot flame covers flame rod and is steady and bl...

Страница 20: ...or more interconnecting circulating loops each with its own pump Primary System Circuit Secondary Boiler Circuit Reverse return Piping Balanced equal flow first in last out piping Utilized with multip...

Страница 21: ...6601 20036601 20036602 20036602 20036603 20036603 20036604 20036604 Temperature Pressure Gauge A0000100 A0000100 A0000100 A0000100 A0000100 A0000100 A0000100 A0000100 Pressure Relief Valve 30PSI A0069...

Страница 22: ...036700 20036700 20036700 20036700 Terminal Strip E0098500 E0098500 E0098500 E0098500 Hi Tension Lead 10449515 10449516 Blocked Vent Switch E0121000 E0121000 E0121000 E0121000 Roll out Safety Switch E2...

Страница 23: ...Mini Therm II Hydronic Boiler Page 23 Figure13 PartsIdentification Figure 13 Parts Identification...

Страница 24: ...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...

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