Gaylord TPF Installation Manual

Installation & Maintenance Data IM 519-3

Sequencing Unit Mounted Thermostat Kit
Rotary Switch (Part No. 056507303)
For TPF, TSB, TSF & TSS Fan-Coil Units

(4-Pipe Systems & 2-Pipe Systems With Electric Heat)

Installation and maintenance are to be performed only by qualified personnel who are familiar with and in compliance with
state, local and national codes and regulations, and experienced with this type of equipment. Caution: Sharp edges and coil

surfaces are a potential injury hazards. Avoid contact with them.

Group: Fan Coil
Part Number: 106189000

Date: April 2000

This kit provides the thermostat and hardware for use on
TSF units only. The thermostat is a line voltage DPDT device
with deadband. The thermostat can control two electric valves
or one valve and one electric heat relay. Do not exceed the
electrical rating listed in the table below. The kit should always
be installed by trained service personnel. All wiring is the

Table 1. Maximum Thermostat Electrical Ratings

VOL TS AC FLA LRA RESISTIVE

120 4.4 26.4 22
265 3.0 18.0 18

12.5 VA at 265V Pilot Duty

Grille

Figure 1.

Access
Door

responsibility of the contractor and must be in compliance with
local codes.

Initial startup of McQuay equipment should be performed by
McQuay certified service technicians. We also recommend that
all service work be performed by McQuay certified service
technicians.

Access Screws
Typ. 2 (See Detail)

Detail

Front Panel

1. Remove the two screws holding the front panel to the sub­base (see Figure 1), lift up on the front panel, and pull away
from the unit. Set the front panel aside.

©2000 McQuay Incorporated

Figure 2.

Sunken Screws

Bracket

Temperature Selector Control Knob

Fan Selector Control Knob

Label (Control Box)

Top Plate (Control Box)

Thermostat Two-Stage

Cooling (Blue)

Heating (Red)

Common
(Orange)

Control Box

Cap Tube

Cabinet Base

Thermostat

Grommet (

End Piece

Thermobulb Housing

Housing Clips

Grommet (

7

/8" I.D.)

1

/4" I.D.)

Thermobulb

1.25" Approx.

Orange makes Blue on Temperature Rise.
Orange makes Red on Temperature Drop.

6°F Deadband

2. Remove the two screws holding the front access
plate to the control box and set them aside.

3. Remove the six screws holding the top of the
control box in place.

4. Pull the fan speed selector knob off the control.

5. Extract the two sunken screws holding the fan speed
bracket to the top plate.

6. Add the thermostat control to the mounting bracket

1

using two (2) #6–32 x

/4" screws.

7. Reattach the bracket to the top plate.

8. Wire the thermostat in accordance with local codes
and the National Electrical Code.

9. Neatly place the control label over the top plate
and add the control knob (temperature control).

10.Slide the

1

⁄4" grommet over the bulb and place it in

the “U” slot of the control box.

11. Reattach the cover plate and front panel to the
control box.

12.Using the thermobulb housing,

7

⁄8" grommet, cable
ties, and housing clips, insert the thermobulb
through the hole in the end panel approximately

1

⁄4" to sense the return air as shown in the

1
illustration.

13.Replace the front panel and test the unit operation.

14.Place the operating instruction label on the back

AAF-McQuay Incorporated
4900 Technology Park Boulevard, Auburn, NY 13021-9030 USA [phone]

Printed on recycled paper containing at least 10% post-consumer recycled material. IM 519 / Page 2 (Rev. 4/00)

side of the control access door (front panel.)