Honeywell TP979A-E User manual

TP979A-E

Dual

Zero Energy Band

Pneumatic

Thermostats

Installation Instructions

Before Installation

General Equipment Required

Figure 1 shows dimensions for

TP979A-E

Dual

Zero

Energy Band Pneumatic Thermostats (“Thermostats”).

Installation requires the following:

70 60

Honeywell

“CAT

LGFGi%z

SGiQE?

3-718

(99)

3-318

-7/a

(48) 16795-I

Fig. 1.

TP979A-E

Approximate Dimensions in Inches

(MiIIimeters).

Thermostats mount to a deep

wall

box or on a surface.

Table 1 describes Thermostat action and the component

thermostats that

make

up the various TP979 models.

Table 1.

TP979A-E

Thermostats.

TP979E2006

lDirect

with setup

14004068001 Field Mounting Kit (mounting plate,

manifold, and three-port airhead)

CCT735A

(MQT735A)

Thermostat Tool

CCT348

Pocket Level

AK3052 Tube (5132 in. O.D., 0.030 in.

wall)

AK3171

Bundled

Tubing (5132 in.

O-D.,

0.030 in.

wall)

For surface mounting:

14004193-001 Wall Mounting Ring,

3-3/4

x 4 x l/2

in. (96 x 102 x 13 mm)

Fasteners appropriate to surface (e.g., molly anchors

for drywall mounting)

For flush mounting:

14001355-001

Deep Wall Box (screws provided),

2-5/8

l-7/16

2-9/16

in. (67 x 37 x 65 mm), with

optional 14001354-001 Deep

Wall

Box Mounting

Bracket for offsetting Deep

WaII

Box from stud

Standard utility conduit box, 4 x 2-1/8 x l-7/8 in.

(102 x 54 x 48 mm)

Calibration may require the following:

CCT902

(MQT902)

Test Thermometer

305965 Gage (0 to 30 psi [0 to 207

kPa])

CCT729

(MQP729)

Gage Port Needle

95-6023

MLF TAB:

II. C.

Installation

If flush mounting, mount

Deep

WalI

Box or standard

utility conduit box in wall as required.

2. Pull tubing through wall or box.

Install backplate on box with screws provided (Fig. 4).

3. Attach three-port airhead to tubing (Fig. 2).

TUBE TO BRANCH

LEFT-HAND THERMAL

THREE-PORT

AIRHEAD

MAIN

AIR

FOR

ELEMENT

TUBE TO BRANCH B2 FOR

-J

RIGHT-HAND THERMAL ELEMENT

17585-2

Fig. 2. Attaching Three-Port Airhead to Tubing.

4. Install airhead on

backplate

Fig-

3).

16797-i

Fig. 3.

Installing

Airhead on Backplate.

Fig. 5. Attaching Backplate to Surface.

16798-I

Fig. 4. Installing Backplate on Box.

Attach backplate to surface with appropriate fasteners.

Use

Wall

Mounting Ring if required (Fig.

5).

WALLMOUNTING

16799-j

95-6023

Engage bottom tab of manifold in slot on backplate and

push manifold straight onto

backplate

and airhead

(Fig.

MANIFOLD

BOTTOM

TAB--/

16800-l

Fig. 6. Mounting Manifold to Backplate and Airhead.

Remove dust covers from Thermostats. With heating

Thermostat on left and cooling Thermostat on right,

engage center- and side-mounting ears and push

Thermostats straight onto manifold (Fig. 7).

Fig. 7. Mounting Thermostats onto Manifold.

8. Remove shipping stops from Thermostats. To install

cover, hook two slots on bottom of cover over tabs on

bottom of backplate. Swing cover up and over

thermostats (Fig. 8).

VER

16802-I

Fig. 8. Mounting Cover over Thermostats.

Use Thermostat Tool to back setscrews at top of

backplate into holes in top of cover (Fig. 9).

THERMOSTAT

16803-l

Fig. 9. Securing Cover to Backplate with Setscrews.

956023

Calibration

General Calibration Check;

After installation, set the thermostats to the desired setpoints

and let the system operate long enough to stabilize. Verify that

the

system has stabilized before checking calibration.

Thermostats

are factory calibrated and should require

only

bleed-off check to

verify

correct operation. The throttling range

is factory set and

should

not require adjustment under normal

operating conditions. Figure 10 shows thermostat components.

ANTlHUM

SPRING (2)

THERMOMETER

SCALEPLATE

lNDlCATOR

CALIBRATION

THROTTLING

RANGE

ADJUSTMENT (2)

(NlTE/WINTER)

TEMPERATURE

INDICATOR

SETPOINT

INDICATOR

(NlTE/WINTER)

SETPOINT

DIAL

(NITE/WINTER)

DAY/AUTO LEVER

ETPOINT

INDICATOR

(TP971

ONLY) ADJUSTMENT

NOTE: NOT ALL ADJUSTMENTS ARE ON ALL THERMOSTATS_

c3w6-3

Fig. 10. Thermostat Front View, Cover Off.

Throttling Range Adjustment

Use Thermostat Tool to remove cover. Assemble Gage

and Gage Port Needle.

Insert Gage Port Needle in thermostat gage tap.

Slide throttling range

(TR)

adjustment to desired

position on TR scale.

Mechanically check TR by moving

setpoint

indicator to

determine difference in

setpoint

indication when

branchline pressure reads 3 psi (21

kPa)

and 13 psi

(91

kPa).

NOTE:

required,

turn

calibration screw to adjust

into thermostat range.

Reset TR to within

degrees F

(HK)

of required setting.

Follow applicable procedure under CALIBRATION

CHECK.

Direct-Acting Thermostats

(TP970A,

TP971A, D)

Use Test Thermometer to measure actual

temperature

of space.

Turn

setpoint

indicator down to

degrees

(2.8K)

below room temperature.

Wait 5 to 10 seconds to allowthermostat to build up

branchline pressure.

Turn

setpoint

indicator up slowly.

If thermostat begins to bleed off between

degree F

(0.6K)

and 3 degrees F (1

.7K)

below room temperature,

no recalibration is necessary. If recalibration is needed,

see RECALIBRATION.

Reverse-Acting Thermostats

(TP970B,

TP971B,

Use Test Thermometer to measure actual temperature

of space.

Turn

setpoint

indicator up to

degrees F

(2.8K)

above

room temperature.

Wait 5 to 10 seconds to allow thermostat to build up

branchline

pressure.

Turn

setpoint

indicator down slowly.

If thermostat begins to bleed off between 1 degree F

(0.6K)

and 3 degrees IF

(1.7K)

above room temperature,

no further calibration is necessary. If recalibration is

needed, see

RECALIBRATION.

Recalibration

The procedures in this section assume that a calibration check

has been performed (see CALIBRATION CHECK) and that

the thermostat did not operate correctly.

NOTE:Verify that the adhesive paper dot (see Fig. 10) is in

place before beginning recalibration.

95-6023

Use Thermostat Tool to remove thermostat cover.

Assemble Gage and Gage Port Needle.

Insert Gage Port Needle into thermostat gage tap.

Turn

setpoint

adjustment until

setpoint

indicator reads

measured room temperature.

4. Proceed to appropriate section following.

Single-Temperature Thermostats

Turn calibration screw until Gage reads 0 psi.

Turn calibration screw in opposite direction until Gage

reads 8 psi (56

kPa)

psi

(k7

kPa).

Remove Gage. Set thermostat at desired temperature.

Replace thermostat cover.

General Procedure (All Thermostats) Dual

Temperature

Thermostats

With main air at pressure specified for DAY operation,

turn DAY calibration screw until Gage reads 0 psi.

Turn calibration screw in opposite direction until Gage

reads 8 psi (56

kPa)

psi

(k7

kPa).

With main air at pressure specified for

NITE

operation,

rotate

NITE

setpoint

dial until setting agrees with

measured temperature.

Repeat Steps 1 and 2 using NITE calibration screw.

Remove Gage. Turn

setpoint

adjustment until

setpoint

indicator reads desired room temperature.

Replace thermostat cover.

Cover Information

Installing Cover Inserts

Cover inserts are removable. Covers with

setpoint

scales ship

with

setpoint

slots open (without inserts). The

DAY/AUTO

lever slot is open on all covers.

The following cover inserts are available for the

setpoint

and

DAY/AUTO lever slots at the bottom of the cover:

14004437-001

Insert (satin chrome

finish)

is used with

14004756-XXX

Covers (satin chrome fmish).

14004437-002

Insert (beige plastic finish) is used with

14004757-XXX

Covers (beige plastic finish).

Painting (Beige Plastic Covers Only)

Beige plastic covers can be painted with recommended paints

before or after cover installation.

Recommended Paints

nonlatex

paint is required use Rust-Oleum Enamel (a

fish-oil type enamel). No primer is needed.

If a latex paint is required, use one of the following as a

primer and follow with any latex wall paint:

Sears Anti-Rust Enamel (a soya-alkyd type enamel in a

spray

can)

True

Value Tru-Test X-O Stain Primer/Sealer Stain

Killer XOS-1 White ( a white-pigmented, shellac

type primer)

Painting Procedure

1, Order the following equipment:

14004757-001

cover

14004437-002

Cover Insert (optional)

14004065-XXX

14004066XXX

Window from

Table 2

Table 2. Paintable Windows.

95-6023

Remove or add

Inserts

to Cover as required.

Remove liner

from

adhesive on back of Window, Slide

Wash Cover with mild dish detergent solution and dry

Window into Cover opening (Fig. 11) and press in place.

When Window has been assembled to Cover,

disassembly might damage Window. Therefore, before

installing

Window,

note the following:

Check that Window display is correct for

job requirements.

Check

Window

orientation to cover. Cover

setpoint

and

DAY/AUTO

lever slots should be on the bottom.

If using

14004065-XXX

Window

(with display),

leave

Window

out of cover, paint with approved

paint, and allow to dry. Proceed to Step 6.

If using

14004066-XXX

Window (blank

with

without logo), add window to Cover, paint with

approved

pair&

and allow to dry. Painting is complete,

with paper towel.

/--COVER

WINDOW CURVED

FOR INSTALLATION

Fig. 11. Installing Window.

24106

Honeywell

Home and Building Control Home and Building Control

Honeywell Inc. Honeywell Limited-Honeywell

Limit&

Honeywell Plaza 740 Ellesmere Road

P.0.

Box 524 Scarborough, Ontario

Minneapolis, MN 55408-0524

M1P

2V9

Helping You Control Your World

9543023

MLF

TAB: II. C. 2.a.

Rev.

2-W

Printed

in USA

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