Wells HT-527AF Installation Manual

ELECTRICAL

INSTALLATION INSTRUCTIONS

BUILT-IN BAIN MARIE STYLE HEATED TANK

MODEL HT-527AF WITH AUTO-WATER FILL

MODEL VOLTS WATTS

HT-527AF
HT-527AF 240

UNITS ARE SHIPPED THREE PHASE AND ARE FIELD CONVERTIBLE TO SINGLE PHASE

208 6200

8300

AMPS PER LINE 3 PHASE

L1 L2 L3

17.9

20.6 34.4

25.8

29.8

11.9

13.8

AMPS

SINGLE

PHASE

29.8 10

CUTOUT DETAILS PRODUCT DIMENSIONS

3 7/8

(98)

29 1/2

(749)

70 1/2
(1791)

16 7/8

(429)

3 1/8

(79)

5

(127)

4 1/8
(105)

1/4 NPT WATER
FILL CONNECTION

71 1/2

67 3/4
(1721)

(1816)

18

(457)

FIELD WIRING GAUGE

1 PHASE3 PHASE

8

10 90°C

6 1/4
(159)

CONTROL PANEL WITH
FLEXIBLE CONDUIT

8

26 7/8

30 5/8

(683)

9 3/4

(248)

1 INCH NPT DRAIN
WITH BALL VALVE

RATING

(778)

CLEARANCES

TEMP.

90°C

INCH
(MM)

INSTALLATION INSTRUCTIONS

INSTALLER MUST MEET CONDITIONS OF ACCEPTABILITY
OUTLINED BELOW UPON INSTALLATION:

1. Required installation clearances:
Wooden and Metal Installation: DO NOT install closer than
4 1/8 inches to front wall, 1 inch to back and side walls,
and 10 3/4 inches to surface below the unit.

2. Unit shall be accessible for servicing from the bottom.

3. If storage is to be used underneath the unit, it is
recommended that a baffle be placed 12 inches below
the unit to avoid contact with elevated temperatures.

4. For water and waste connections: This appliance is to be
installed to comply with the applicable federal, state or
local plumbing codes.

TO FABRICATE:

1. Lay out "cutout" dimensions on countertop and front
apron.

2. Lay out and fabricate control panel holes in counter
apron using the control box as a template.

3. Cut out holes (Note: "stiffening" around perimeter of
countertop cutout not normally required).

TO INSTALL:
IMPORTANT - DO NOT disconnect lead wires from the
Master Control Panel when making installation.

1. Tilt and pass Control Panel and electrical box through
the countertop cutout, then through the apron cutout.
Lower modular section into countertop cutout and
position.
RECOMMENDATION: Before final seating of modular section
to countertop, apply a bead of silicone adhesive/sealant
to the underside of gasket supplied on the mounting
flange.

2. From underneath, insert screwdriver into slots in
Wellslock frame and twist ears outward (clockwise) as
required to secure flange tightly to countertop.

3. Mount Control Box to apron cutout as shown in drawing.

4. Mount Control Panel onto electrical box using the
screws supplied.

TO PLUMB:

1. A drain with valve is supplied on all units. Location of the
valve handle is at the discretion of the fabricator (see drawing).

2. Connect 1" drain connection to a suitable drain line.

3. Connect 1/4 NPT flexible water fill line to solenoid valve in
outlet box, maximum pressure 120 PSI, maximum temperature 120 F.

TO WIRE:

1. Final connection is accomplished by bringing proper power
supply leads (see 'WIRING REQUIREMENTS' label) through
conduit knockout to terminal block supplied within the Master
Control Panel. Check nameplates for voltage and phase.

NOTES:

BAIN MARIE STYLE HEATED TANKS ARE DESIGNED FOR WET
OPERATION ONLY.

A BACK FLOW PREVENTER IS INCORPORATED IN THE WATER FILL
LINE BETWEEN SOLENOID VALVE AND PAN. LOCAL CODES MAY
REQUIRE AN ADDITIONAL VACUUM BREAK DEVICE, NOT PROVIDED
BY WELLS.

THIS EQUIPMENT IS TO BE INSTALLED TO COMPLY WITH
APPLICABLE FEDERAL, STATE OR LOCAL PLUMBING AND
ELECTRICAL CODES.

(25)

WARMER FLANGE

GASKET

WELLSLOK

SCREWDRIVER

COUNTERTOP

MINIMUM CLEARANCE REQUIRED

FROM UNIT TO THE NEAREST SURFACE

FRONTBOTTOMSIDEBACK

11

MASTER CONTROL PANEL

10 3/4

(273)(25)

4 1/8

(105)

1/4 NPT WATER
FILL CONNECTION

WELLS/BLOOMFIELD * VERDI, NV

303753-4 REV (-)