Graco 253697, 245186 Converting to a Heated System, Accessories for a Heated System, Installation

Installation

Converting to a Heated System

To convert Model 245187 or 253697 to a heated circulating system, order the following parts. The heaters are available in three voltages. Specify which voltage you desire.

DTwo Viscon HP Fluid Heaters

–Model 245848 (120 V, single-phase, 19.2 amp)

–Model 245863 (240 V, single-phase, 16.7 amp)

–Model 245864 (480 V, single-phase, 8.30 amp)

DDual Heater Mounting Kit 222311

DCirculating Kit 222312

DWarning Label 290074

WARNING

The Viscon HP Heaters must be installed by a qualified electrician in compliance with all state and local codes and regulations, to reduce the risk of electric shock or other serious injury during installa- tion or operation.

The power supply must match the heaters’ require- ments (see above). Refer to the Viscon HP Heater Manual, 309524, for further information.

Accessories for a Heated System

Viscon HP Heater Cord 110160

12 gauge, rated at 105_ C.

WARNING

Do not use in hazardous areas containing flam- mable materials or fumes.

Airless Insulated Hose Kit 222263

25 ft. (7.6 m) nylon fluid hose for use with airless heated systems. Includes an in-line fluid filter, circulat- ing manifold, and 3 ft. (0.9 m) whip hose.

Installing Dual Heater Mounting Kit 222311

WARNING

Before installing the heaters, dual heater mounting kit and circulating kit, follow the Pressure Relief Procedure on page 14. Disconnect all hoses from the pump.

NOTE: Reference numbers marked with an asterisk (for example, 26*) are included in kit 222311.

Apply pipe sealant (36*) to all male threads except at swivel connections.

1.Be sure the wall is strong enough to support the weight of the heaters, hoses, fluid, and stress caused during operation. Locate the holes for the heater wall brackets (26*) exactly as indicated on page 20. Note that one heater will be mounted above and slightly to the left of the other. Use the heater wall brackets as templates to mark the wall.

2.Attach a heater wall bracket to each heater’s mounting posts with the M8 x 1.25 screws and lockwashers supplied with the heater (44).

3.Use M8 or 5/16 in. bolts of the appropriate length and lockwashers (not supplied) to fasten the heater brackets to the wall.

4.Remove the fluid filter (4) and attaching hardware (3, 9) from the pump fluid outlet. Keep the filter, but discard the attaching hardware. See Fig. 5.

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