Hoffman Controls 207-W Series Manual

Page 1 of 2 207-W Series Electronic Thermostat Installation & Operating Instructions
• Thermostat (Cover & Base), white
• Electrical Box Cover (Size 2” X 4” electrical box)
Mounting Hardware
• Two #6 x 1/2” painted screws (for the wall plate to
J Box).
• Two #6 x 1” flathead phillip screws (for the thermostat
wall plate).
• Three wire nuts.
• Wall anchors when wall plate is not required.
Figure 1
1. Remove thermostat cover from thermostat base. (See
Figure 3.)
2. Insert wires from thermostat base through electrical box
cover (1/2” hole).
3. Wire thermostat to field thermostat cable, using wire
nuts. (Color-code to assure proper connection.)
4. Mount electrical box cover to horizontally mounted
electrical J Box with two #6 x 1/2” painted head
screws. (See Figure 1.)
5. Attach thermostat base to wall plate. Do Not Remove
nylon shims holding two premounted #6 x 1” flathead
philip screws. Thermostat base will mount with less
than 1/16” clearance to wall plate. Clearance is required
to allow cover to snap over sub-base.
6. Check thermostat base to see if it is centered evenly on
wall plate. If incorrectly installed, the thermostat base
will not frame on center of electrical box cover;
Review #4.
CAUTION
Sub-base should be firmly secured to plate. Do
not over tighten!
Electrical Box Mounting
Thermostat & Hardware
7. Place thermostat cover over thermostat base, securing
left side first; push right side until “snap” secures
(locks) cover in place.
Figure 2
(Sub-Base directly to the wall)
1. Remove thermostat cover from thermostat base. (See
Figure 3).
2. Wire thermostat base to field thermostat cable, using
wire nuts. (Color code to assure proper connection.)
3. Position base on the wall at proposed mounting loca-
tion (using premounted #6 x 1” flathead screws installed
in sub-base as template), mark wall surface for anchor
mounting hole location.
4. Punch or drill holes at markings for plastic wall
anchors. Do Not Remove nylon shims holding screws in
base before mounting to wall. Install wall anchors and
attach base to wall with two #6 x 1” phillip screws.
Thermostat base will mount with less than 1/16”
clearance to wall.
5. Place thermostat cover over base, securing left side first,
push right side until “snap” secures cover in place.
Figure 3
1. When facing the thermostat cover, place a small screw-
driver between the 4th and 5th ribbed openings on the
right side of the thermostat cover. The thermostat
assembly should be held against a solid surface if it is
not mounted on the wall.
2. Push firmly to the left and to the back side of cover
until latch releases the base from the cover.
3. To replace cover, place over base, left side first, press
firmly until the cover “snaps” to secure (lock) in place.
Cover Release Instructions
Direct Wall Surface Mount
207-W Series
Electronic Thermostat
Hoffman|Controls
Installation & Operating
Instructions

Hoffman|Controls
2463 Merrell Road, Dallas, Texas 75229 • Phone: [phone] • Fax: [phone] • Toll Free: 1-888-HCC-1190
www.hoffmancontrols.com Page 2 of 2 Form: 207-W 0400-010, Rev. A 170-0026-000
Figures 1 & 2 describe major items of electronic thermostat
assembly when mounted to electrical box and directly to
wall. The thermostats in Figures 1 & 2 show the concealed
setpoint adjustment. Installation for visible setpoint is the
same. The thermostat will mount with approximately 1/16”
clearance to wall or electrical box cover.
Figure 1
Shows major items of assembly when mounting the
thermostat to electrical box. Do Not Remove nylon shims
(not shown) when mounting base to cover.
Diagrams Figure 2
Shows major items of assembly used when mounting the
thermostat directly to the wall. Do Not Remove nylon
shims (not shown) from #6 x 1 phillip screws.
Figure 3
Shows the proper position of small screwdriver for
release of latch securing cover to thermostat base. Do not
try to gain access to thermostat by pulling on cover. The
thermostat has been designed to provide entry only to
those persons receiving specific instructions.
Temperature
Reset Knob
Nylon Shim
Insert for
Sheet Rock
Temperature
Reset Knob
Thermostat Cover Thermostat Base
Nylon Shim Electrical
Box Cover
Electrical Box
(By Others)
Latch
Back of Thermostat
Cover Release
Figure 3
Electrical Box Mounting
Figure 1
Direct to Wall Mounting
Figure 2