Laars duraflow Installation And Operation Instructions Manual Download Page 4

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LAARS Heating Systems Company

Page 4

Figure 4. Zoning with Valves.

TRANSFORMER

DISCONNECT

SWITCH

L2
L1

LOW

MASS

BOILER

TERMINALS

DURAFLOW

WATER HEATER

AQUASTAT

ZONE THERMOSTATS

ZONE

VALVES

RELAY

T T

Figure 3. Piped as Buffer and Indirect.

NOTE: Pump Operates From
C

-C

Terminals On Boiler Aquastat.

OUT OF

PRODUCTION

Summary of Contents for duraflow

Page 1: ...Installation and Operation Instructions Document 2110A Installation and Operation Instructions for DuraFlow Water Heater 2400 382A A subsidiary of BRADFORD WHITE Corporation OUT OF PRODUCTION...

Page 2: ...NTS SECTION 1 General Information 1A Introduction 3 1B Piping 3 1C Wiring 5 SECTION 2 Remote Bulb Aquastat Controller 2A Application 5 2B Installation 5 2B 1 Mounting with Boiler Fitting 5 2B 2 Wiring...

Page 3: ...and buffer applications the DuraFlow must always be piped with a thermally trapped tempering valve and flow restrictor set for applicable boiler input When utilized as both a buffer and a domestic wa...

Page 4: ...TRANSFORMER DISCONNECT SWITCH L2 L1 LOW MASS BOILER TERMINALS DURAFLOW WATER HEATER AQUASTAT ZONE THERMOSTATS ZONE VALVES NO NC C RELAY G L1 L2 T T Figure 3 Piped as Buffer and Indirect NOTE Pump Ope...

Page 5: ...breaks to prevent circulator operation When the boiler water temperature rises to the dial setting R to B breaks and R to W makes see Figure 5 2B Installation WARNING CAN CAUSE PROPERTY DAMAGE SEVERE...

Page 6: ...with the boiler manufacturer s recommendations To adjust insert a screwdriver in the slotted screw type head located beneath the window in the cover Turn the scale to the desired control point 2D Chec...

Page 7: ...DuraFlow Water Heater Page 7 OUT OF PRODUCTION...

Page 8: ...s All of above Part A plus Insulation and mechanical components furnished to Laars by other manufacturers such as pumps relays controls gauges etc Such components may carry warranties from their respe...